Update Makefile

Create blender_manifest.toml
UI for linked aggregate (#4271 )
2026-08-09 09:21:46 +00:00 · 2024-02-26 17:10:36 +11:00 · 2024-02-26 17:09:31 +11:00 · 2024-02-23 14:56:28 -06:00 · 2024-02-23 14:55:18 -06:00 · 2024-02-23 12:51:16 -06:00
1196 changed files with 1224724 additions and 42622 deletions
@@ -0,0 +1,57 @@
+name: ci-bcf-pypi
+
+on:
+  schedule:
+    #         ┌───────────── minute (0 - 59)
+    #         │  ┌───────────── hour (0 - 23)
+    #         │  │ ┌───────────── day of the month (1 - 31)
+    #         │  │ │ ┌───────────── month (1 - 12 or JAN-DEC)
+    #         │  │ │ │ ┌───────────── day of the week (0 - 6 or SUN-SAT)
+    #         *  * * * *
+    - cron: "0 0 18 * *"
+  push:
+    paths:
+      - '.github/workflows/ci-bcf-pypi.yml'
+  workflow_dispatch:
+
+env:
+  major: 0
+  minor: 0
+  name: ifcopenshell
+
+jobs:
+  activate:
+    runs-on: ubuntu-latest
+    if: |
+      github.repository == 'IfcOpenShell/IfcOpenShell'
+    steps:
+    - name: Set env
+      run: echo ok go
+
+  build:
+    needs: activate
+    name: ${{ matrix.config.name }}-${{ matrix.pyver }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v2 # https://github.com/actions/checkout
+      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+        with:
+          python-version: '3.10' # Version range or exact version of a Python version to use, using SemVer's version range syntax
+          architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
+      - run: echo ${{ env.DATE }}
+      - name: Get current date
+        id: date
+        run: echo "::set-output name=date::$(date +'%y%m%d')"
+      - name: Compile
+        run: |
+          pip install build
+          cd src/bcf &&
+          make dist
+      - name: Publish a Python distribution to PyPI
+        uses: ortega2247/pypi-upload-action@master
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}
+          packages_dir: src/bcf/dist
@@ -1,37 +0,0 @@
-name: ci-bcf
-
-on:
-  push:
-
-jobs:
-  activate:
-    runs-on: ubuntu-latest
-    if: |
-      github.repository == 'IfcOpenShell/IfcOpenShell' &&
-      contains(github.event.head_commit.message, '[bcf release]')
-    steps:
-      - run: echo ok go
-  upload:
-    needs: activate
-    name: Upload BCF package to Pypi
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-      - name: Build package
-        run: |
-          cd src/bcf
-          pip install build
-          python -m build
-      - name: Test
-        run: |
-          cd src/bcf
-          make test
-      - name: Publish package
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: __token__
-          password: ${{ secrets.PYPI_TOKEN }}
-          packages_dir: src/bcf/dist
@@ -39,7 +39,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        pyver: [py39, py310]
+        pyver: [py39, py310, py311]
        config:
          - {
            name: "Windows Build",
@@ -62,7 +62,7 @@ jobs:
      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
        with:
          architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
-          python-version: '3.10'
+          python-version: '3.11'
      - run: echo ${{ env.DATE }}
      - name: Get current date
        id: date
@@ -1,10 +1,7 @@
 name: ci-ifcopenshell-conda-daily

 on:
-  push:
-      paths:
-        - .github/workflows/ci-ifcopenshell-conda-daily.yml
-        - conda/**
+  workflow_dispatch:
  schedule:
  #         ┌───────────── minute (0 - 59)
  #         │  ┌───────────── hour (0 - 23)
@@ -15,17 +12,8 @@ on:
  - cron: "49 23 * * *" # 11min before utc midnight every day

 jobs:
-  activate:
-    runs-on: ubuntu-latest
-    if: |
-      github.repository == 'IfcOpenShell/IfcOpenShell'
-    steps:
-      - name: Set env
-        run: echo ok go
-
  test:
-    name: ${{ matrix.platform.distver }}-${{ matrix.pyver.name }}
-    needs: activate
+    name: ${{ matrix.platform.distver }}-${{ matrix.pyver.name }}-${{ matrix.variant }}
    runs-on: ${{ matrix.platform.distver }}
    defaults:
      run:
@@ -34,18 +22,23 @@ jobs:
      fail-fast: false
      matrix:
        pyver: [
-          { name: py310, distver: '3.10'},
-          { name: py311, distver: '3.11'}
+          { name: py311, distver: '3.11'},
+          { name: py312, distver: '3.12'}
        ]
        platform: [
          { name: Windows, distver: windows-2022, upload: 'true' },
          { name: Linux, distver: ubuntu-22.04,  upload: 'true' },
          { name: macOS, distver: macos-12, upload: 'true' }
        ]
+        variant: [
+          'novtk',
+#          'all'
+        ]
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: recursive
+
      - name: Download MacOSX SDK
        if: ${{ matrix.platform.name == 'macOS' }}
        run: |
@@ -53,21 +46,22 @@ jobs:
          tar xf MacOSX10.13.sdk.tar.xz && \
          sudo mv -v MacOSX10.13.sdk /opt/ && \
          ls /opt/
-      - uses: seanmiddleditch/gha-setup-ninja@master
-      - uses: mamba-org/provision-with-micromamba@main # https://github.com/mamba-org/provision-with-micromamba
+
+      - uses: mamba-org/setup-micromamba@v1 # https://github.com/mamba-org/setup-micromamba
        with:
-          channels: conda-forge
-          channel-priority: strict
-          environment-file: conda/environment.yml
-          extra-specs: |
-            python=${{ matrix.pyver.distver }}
+          environment-name: build-env
+          cache-environment: true
+          condarc: |
+            channels:
+              - conda-forge
+            channel_priority: strict
+          create-args: >-
+            python=3.11
+            anaconda-client
+            boa
+
      - name: build, test and upload ifcopenshell
        if: ${{ matrix.platform.upload == 'true' }}
        run: |
-          conda-build . --python ${{ matrix.pyver.distver }} -c conda-forge --token ${{ secrets.ANACONDA_TOKEN }} --user ifcopenshell
-        working-directory: ./conda
-      - name: build & test ifcopenshell
-        if: ${{ matrix.platform.upload == 'false' }}
-        run: |
-          conda-build . --python ${{ matrix.pyver.distver }} -c conda-forge
+          conda mambabuild . --python ${{ matrix.pyver.distver }} -c conda-forge --variants "{variant: ${{ matrix.variant }}}" --token ${{ secrets.ANACONDA_TOKEN }} --user ifcopenshell
        working-directory: ./conda
@@ -12,7 +12,7 @@ on:
  push:
    paths:
      - '.github/workflows/ci-ifctester-pypi.yml'
-
+  workflow_dispatch:

 env:
  major: 0
@@ -1,98 +0,0 @@
-name: ci_py_only
-
-on:
-  push:
-    paths:
-      - 'src/**'
-      - 'test/**'
-      - 'conda/**'
-      - 'cmake/**'
-      - '.github/workflows/ci-py-only.yml'
-  pull_request:
-
-jobs:
-  activate:
-    runs-on: ubuntu-latest
-    if: |
-      github.repository == 'IfcOpenShell/IfcOpenShell' &&
-      !contains(github.event.head_commit.message, 'skip ci')
-    steps:
-      - run: echo ok go
-
-  build:
-    runs-on: ubuntu-20.04
-    needs: activate
-    steps:
-      - uses: actions/checkout@v2
-        with:
-            submodules: recursive
-      - name: Install C++ dependencies
-        run: |
-          sudo apt update
-          sudo apt-get install --no-install-recommends \
-          git cmake gcc g++ \
-          libboost-date-time-dev \
-          libboost-filesystem-dev \
-          libboost-iostreams-dev \
-          libboost-program-options-dev \
-          libboost-regex-dev \
-          libboost-system-dev \
-          libboost-thread-dev \
-          python3-all-dev python3-pip \
-          swig libpcre3-dev libxml2-dev \
-          libtbb-dev nlohmann-json3-dev \
-          libocct-foundation-dev libocct-modeling-algorithms-dev libocct-modeling-data-dev libocct-ocaf-dev libocct-visualization-dev libocct-data-exchange-dev \
-          libhdf5-dev libcgal-dev
-          
-      - name: ccache
-        uses: hendrikmuhs/ccache-action@v1
-        with:
-          key: ${GITHUB_WORKFLOW}
-
-      - name: Build ifcopenshell
-        run: |
-          sudo /usr/sbin/update-ccache-symlinks
-          mkdir build && cd build
-          PATH="/usr/lib/ccache:$PATH" cmake \
-               -DCMAKE_BUILD_TYPE=Release \
-               -DCMAKE_PREFIX_PATH=/usr \
-               -DCMAKE_SYSTEM_PREFIX_PATH=/usr \
-               -DOCC_INCLUDE_DIR=/usr/include/opencascade \
-               -DOCC_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu \
-               -DPYTHON_EXECUTABLE:FILEPATH=/usr/bin/python3 \
-               -DPYTHON_INCLUDE_DIR:PATH=/usr/include/python3.8 \
-               -DPYTHON_LIBRARY:FILEPATH=/usr/lib/x86_64-linux-gnu/libpython3.8.so \
-               -DCOLLADA_SUPPORT=Off \
-               "-DSCHEMA_VERSIONS=2x3;4;4x3_add1" \
-               -DBUILD_CONVERT=Off \
-               -DGLTF_SUPPORT=On \
-               -DJSON_INCLUDE_DIR=/usr/include \
-               -DCGAL_INCLUDE_DIR=/usr/include \
-               -DGMP_INCLUDE_DIR=/usr/include \
-               -DMPFR_INCLUDE_DIR=/usr/include \
-               -DGMP_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu \
-               -DMPFR_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu \
-               -DHDF5_INCLUDE_DIR=/usr/include/hdf5/serial \
-             ../cmake
-          sudo make -j $(nproc)
-          sudo make install
-
-      - name: Install Python dependencies
-        run: |
-          sudo /usr/bin/python -m pip install -U pip
-          sudo /usr/bin/python -m pip install xmlschema xsdata numpy lxml
-          sudo /usr/bin/python -m pip install src/bcf --no-deps
-          sudo /usr/bin/python -m pip install pytest
-          sudo /usr/bin/python -m pip install isodate
-          sudo /usr/bin/python -m pip install lark
-          sudo /usr/bin/python -m pip install networkx
-          sudo /usr/bin/python -m pip install tabulate
-          sudo /usr/bin/python -m pip install python-dateutil
-
-      - name: Test
-        run: |
-          cd test
-          sudo /usr/bin/python tests.py
-          cd ../src/ifcopenshell-python
-          mv ifcopenshell ifcopenshell-local # Force testing on installed module
-          make test
@@ -31,12 +31,25 @@ jobs:
      - run: echo ok go

  build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
    needs: activate
    steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
        with:
            submodules: recursive
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install xmlschema xsdata numpy lxml pytest isodate lark networkx tabulate python-dateutil
+          pip install src/bcf --no-deps
+          pip install https://github.com/Andrej730/aud/archive/refs/heads/master-reduced-size.zip
+
      - name: Install C++ dependencies
        run: |
          sudo apt update
@@ -49,7 +62,6 @@ jobs:
          libboost-regex-dev \
          libboost-system-dev \
          libboost-thread-dev \
-          python3-all-dev python3-pip \
          swig libpcre3-dev libxml2-dev \
          libtbb-dev nlohmann-json3-dev \
          libocct-foundation-dev libocct-modeling-algorithms-dev libocct-modeling-data-dev libocct-ocaf-dev libocct-visualization-dev libocct-data-exchange-dev \
@@ -62,6 +74,9 @@ jobs:

      - name: Build ifcopenshell
        run: |
+          echo $Python3_ROOT_DIR
+          echo ${{ env.pythonLocation }}
+          
          mkdir build && cd build
          cmake \
               -DCMAKE_C_COMPILER_LAUNCHER=ccache \
@@ -71,9 +86,9 @@ jobs:
               -DCMAKE_SYSTEM_PREFIX_PATH=/usr \
               -DOCC_INCLUDE_DIR=/usr/include/opencascade \
               -DOCC_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu \
-               -DPYTHON_EXECUTABLE:FILEPATH=/usr/bin/python3 \
-               -DPYTHON_INCLUDE_DIR:PATH=/usr/include/python3.8 \
-               -DPYTHON_LIBRARY:FILEPATH=/usr/lib/x86_64-linux-gnu/libpython3.8.so \
+               -DPYTHON_EXECUTABLE:FILEPATH=${{ env.pythonLocation }}/bin/python \
+               -DPYTHON_INCLUDE_DIR:PATH=${{ env.pythonLocation }}/include/python3.11 \
+               -DPYTHON_LIBRARY:FILEPATH=${{ env.pythonLocation }}/lib/libpython3.11.so \
               -DCOLLADA_SUPPORT=Off \
               "-DSCHEMA_VERSIONS=2x3;4;4x3_add1" \
               -DGLTF_SUPPORT=On \
@@ -102,23 +117,11 @@ jobs:
          grep 0$ statuses
          grep 0$ statuses | wc -l

-      - name: Install Python dependencies
-        run: |
-          sudo /usr/bin/python -m pip install -U pip
-          sudo /usr/bin/python -m pip install xmlschema xsdata numpy lxml
-          sudo /usr/bin/python -m pip install src/bcf --no-deps
-          sudo /usr/bin/python -m pip install pytest
-          sudo /usr/bin/python -m pip install isodate
-          sudo /usr/bin/python -m pip install lark
-          sudo /usr/bin/python -m pip install networkx
-          sudo /usr/bin/python -m pip install https://github.com/Andrej730/aud/archive/refs/heads/master-reduced-size.zip
-          sudo /usr/bin/python -m pip install tabulate
-          sudo /usr/bin/python -m pip install python-dateutil

-      - name: Test
+      - name: Test ifcopenshell-python
        run: |
          cd test
-          sudo /usr/bin/python tests.py
+          python tests.py
          cd ../src/ifcopenshell-python
          mv ifcopenshell ifcopenshell-local # Force testing on installed module
-          make test
+          make test-safe
@@ -7,34 +7,26 @@

 # output directories
 /cmake/out/
-/docs/out/
 /src/examples/out/
 /src/ifcmax/out/
 /src/ifcwrap/out/
 /src/qtviewer/out/

-
 /win/BuildDepsCache*.txt
-# IfcExpressParser residue
-/src/ifcexpressparser/express_parser.py
+
 # General Python residue
 __pycache__
 *.py.bak
+
 # Visual Studio Code files
 .vscode
 .vs
+
 # PyCharm files
 .idea

-#Virtual Env Files
-Pipfile
-Pipfile.lock
-
 # Docs
-/docs/output
-/docs/rst_files
-/docs/doxygen
-/src/ifcblenderexport/docs/_build
+/docs/cpp-api/output

 # gettext binary translation files
 *.mo
@@ -94,4 +86,12 @@ src/ifcopenshell-python/ifcopenshell/_ifcopenshell_wrapper.so
 src/ifcopenshell-python/ifcopenshell/ifcopenshell_wrapper.py

 # apple
-.DS_Store
+.DS_Store
+
+# clangd config
+.clangd
+# clangd cache
+.cache
+
+# Brickschema
+src/blenderbim/blenderbim/bim/schema/Brick.ttl
@@ -10,4 +10,7 @@
 	url = https://github.com/IfcOpenShell/svgfill
 [submodule "src/ifcopenshell-python/test/Sample-BIM-Files"]
 	path = src/ifcopenshell-python/test/Sample-BIM-Files
-	url = https://github.com/IfcOpenShell/ids-test-files
+	url = https://github.com/IfcOpenShell/ids-test-files
+[submodule "docs/cpp-api/assets/doxygen-awesome-css"]
+	path = docs/cpp-api/assets/doxygen-awesome-css
+	url = https://github.com/jothepro/doxygen-awesome-css.git
@@ -1,18 +1,19 @@

 IfcOpenShell 
 ============
+
 <p align="center">
-  <img src="https://github.com/IfcOpenShell/IfcOpenShell/assets/79010126/9e540403-c79f-446a-88c6-7c1ebc6ba864">
+<img src="https://github.com/IfcOpenShell/IfcOpenShell/assets/88302/34901387-e2dd-4a0c-8e38-9ffc32a66cde">
 </p>

 IfcOpenShell is an open source ([LGPL]) software library for working with Industry Foundation Classes ([IFC]). Complete
-parsing support is provided for [IFC2x3 TC1], [IFC4 Add2 TC1], IFC4x1, IFC4x2, and IFC4x3. Extensive geometric support
+parsing support is provided for [IFC2x3 TC1], [IFC4 Add2 TC1], IFC4x1, IFC4x2, and [IFC4x3 Add2]. Extensive geometric support
 is implemented for the IFC releases [IFC2x3 TC1] and [IFC4 Add2 TC1]. Extending with support for arbitrary IFC schemas
 is possible at compile-time when using C++ and at run-time when using Python.

-In addition to a C++ and Python API, IfcOpenShell comes with an ecosystem of tools, notably including IfcConvert (an application to convert IFC models to
-other formats), the BlenderBIM Add-on (an add-on to Blender providing a graphical IFC authoring platform), and many
-other libraries, CLI apps, and more. Support is also provided for auxiliary standards such as BCF and IDS.
+In addition to a C++ and Python API, IfcOpenShell comes with an ecosystem of tools, notably including IfcConvert (an application
+to convert IFC models to other formats), the BlenderBIM Add-on (an add-on to Blender providing a graphical IFC authoring platform),
+and many other libraries, CLI apps, and more. Support is also provided for auxiliary standards such as BCF and IDS.

 For more information, see:

@@ -31,8 +32,8 @@ For more information, see:
 | Anaconda Daily Build                            | [![Anaconda-Server Badge](https://img.shields.io/conda/vn/ifcopenshell/ifcopenshell)](https://anaconda.org/ifcopenshell/ifcopenshell)        |
 | Anaconda v0.7.0 Stable                          | [![Anaconda-Server Badge](https://img.shields.io/conda/vn/conda-forge/ifcopenshell)](https://anaconda.org/conda-forge/ifcopenshell)          |
 | PyPi Daily Build                                | [![PyPi Badge](https://img.shields.io/pypi/v/ifcopenshell)](https://pypi.org/project/ifcopenshell/)                                          |
-| ArchLinux AUR Package Stable                           | [![AUR Badge](https://img.shields.io/aur/version/ifcopenshell)](https://aur.archlinux.org/packages/ifcopenshell)                     |
-| ArchLinux AUR Package git                           | [![AUR Badge](https://img.shields.io/aur/version/ifcopenshell-git)](https://aur.archlinux.org/packages/ifcopenshell-git)                     |
+| ArchLinux AUR Package Stable                    | [![AUR Badge](https://img.shields.io/aur/version/ifcopenshell)](https://aur.archlinux.org/packages/ifcopenshell)                             |
+| ArchLinux AUR Package git                       | [![AUR Badge](https://img.shields.io/aur/version/ifcopenshell-git)](https://aur.archlinux.org/packages/ifcopenshell-git)                     |
 | BlenderBIM Add-on Chocolatey (under moderation) | [![Chocolatey Badge](https://img.shields.io/chocolatey/v/blenderbim-nightly)](https://community.chocolatey.org/packages/blenderbim-nightly/) |
 | Sponsor development on OpenCollective           | [![Financial Contributors](https://opencollective.com/opensourcebim/tiers/badge.svg)](https://opencollective.com/opensourcebim/)             |
 | Docker hub                                      | [![Docker Pulls](https://img.shields.io/docker/pulls/aecgeeks/ifcopenshell)](https://hub.docker.com/r/aecgeeks/ifcopenshell)                 |
@@ -43,7 +44,7 @@ Contents
 Those marked with an asterisk are part of IfcOpenShell.

 | Name                      | Description                                                           | License             |
-| ------------------------- | ----------------------------------------------------------------------| ------------------- |
+| ------------------------- | --------------------------------------------------------------------- | ------------------- |
 | bcf                       | Library to read and write BCF-XML and query OpenCDE BCF-API modules   | LGPL-3.0-or-later   |
 | blenderbim                | Add-on to Blender providing a graphical native IFC authoring platform | GPL-3.0-or-later    |
 | bsdd                      | Library to query the bSDD API                                         | LGPL-3.0-or-later   |
@@ -54,7 +55,6 @@ Those marked with an asterisk are part of IfcOpenShell.
 | ifcblender                | Historic Blender IFC import add-on                                    | LGPL-3.0-or-later\* |
 | ifccityjson               | Convert CityJSON to IFC                                               | LGPL-3.0-or-later   |
 | ifcclash                  | Clash detection library and CLI app                                   | LGPL-3.0-or-later   |
-| ifccobie                  | Extract IFC data for COBie handover requirements                      | LGPL-3.0-or-later   |
 | ifcconvert                | CLI app to convert IFC to many other formats                          | LGPL-3.0-or-later\* |
 | ifccsv                    | Library and CLI app to export and import schedules from IFC           | LGPL-3.0-or-later   |
 | ifcdiff                   | Compare changes between IFC models                                    | LGPL-3.0-or-later   |
@@ -77,6 +77,7 @@ Those marked with an asterisk are part of IfcOpenShell.
 [IFC]: https://technical.buildingsmart.org/standards/ifc/ "IFC"
 [IFC2x3 TC1]: https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/ "IFC2x3 TC1"
 [IFC4 Add2 TC1]: https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/ "IFC4 Add2 TC1"
+[IFC4x3 Add2]: https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/ "IFC4x3 Add2"
 [Visual Studio]: https://www.visualstudio.com/ "Visual Studio"
 [Visual C++ Build Tools]: http://landinghub.visualstudio.com/visual-cpp-build-tools "Visual C++ Build Tools"
 [MSYS2]: https://msys2.github.io/ "MSYS2"
@@ -1,48 +0,0 @@
-Dockerized AWS Lambda Function with Python and IfcOpenShell
-===========================================================
-
-This guide provides a Dockerfile and sample code to help you run an AWS Lambda function written in Python and utilizing IfcOpenShell library. 
-
-Prerequisites
-------------
-
-Make sure you have Docker installed on your machine. You can download Docker from the official website: [Docker Instalation](https://docs.docker.com/engine/install/)
-
-Getting Started
---------------
-
-1. **Clone this repository to your local machine:**
-
-2. **Customize the Lambda function code:**
-   
-   - Replace the sample Lambda function code in the `example_handler` directory with your own code.
-   - Update the import path in the Dockerfile's `CMD` instruction to match your Lambda function's handler function.
-
-3. **Install the required Python packages:**
-   - Edit the `requirements.txt` file and add any additional dependencies required by your Lambda function.
-
-4. **Build the Docker image:**
-
-   ```shell
-   $ docker build -t lambda-ifcopenshell .
-   ```
-
-5. **Run the Docker container:**
-
-    ```shell
-   $ docker run lambda-ifcopenshell
-    ```
-6. **Test lambda locally**
-    
-    Follow the steps in this [guide](https://docs.aws.amazon.com/lambda/latest/dg/images-test.html)
-
-
-7. **Deploy to lambda**
- 
-    This is beyond the scope of this example. Please refer to AWS documentation. Some tools that could be useful are - AWS CloudFormaton, AWS CDK, pulumi or terraform
-
-
---------
-> Note: This is a superficial guide, in order to make this work for your usecase you will need a good understanding of other AWS services like SQS, S3, API Gateway etc.
-
-For more information on building lambda containers refer to this [guide](https://docs.aws.amazon.com/lambda/latest/dg/images-create.html).
@@ -13,68 +13,77 @@ def request_repo_info(url: str):
    return resp


+def get_choco_package_info() -> str:
+    resp = request_repo_info(URL_CHOCO_PACKAGE)
+    html_txt = str(resp.read())
+    return html_txt
+
+
+def get_latest_blender_version() -> list:
+    html_txt = get_choco_package_info()
+    return re.findall(RE_BLENDER_VERSION_MIN_MAJ_PAT, html_txt)
+
+
+URL_IFCOS_RELEASES = "https://github.com/IfcOpenShell/IfcOpenShell/releases"
+URL_CHOCO_PACKAGE  = "https://community.chocolatey.org/packages/blender"
+URL_BLENDER_CMAKE  = "https://raw.githubusercontent.com/blender/blender/{}/build_files/cmake/Modules/FindPythonLibsUnix.cmake"
+RE_BLENDER_VERSION_MIN_MAJ        = r"Latest Version.+<span>Blender (\d+\.\d+)\..+</span>"
+RE_BLENDER_VERSION_MIN_MAJ_PAT    = r"Latest Version.+<span>Blender (\d+\.\d+\.\d+)</span>"
+RE_BLENDER_PYTHON_VERSION_MAJ_MIN = r"(?:set|SET)\(_PYTHON_VERSION_SUPPORTED (\d+\.\d+)\)"
+
+
 if sys.argv[1] == "--do_choco_release?":
    now = datetime.datetime.now()
    blenderbim_date = (now - datetime.timedelta(days=1)).strftime("%y%m%d")
-    url = "https://github.com/IfcOpenShell/IfcOpenShell/releases"
-    resp = request_repo_info(url)
+    resp = request_repo_info(URL_IFCOS_RELEASES)
    text = str(resp.read())
    if blenderbim_date in text:
        print("do_choco_release", end="")


 elif sys.argv[1] == "--latest_blender_release_maj_min_pat?":
-    re_blender_version_min_maj_pat = r"Latest Version.+<span>Blender (\d+\.\d+\.\d+)</span>"
-    url = "https://community.chocolatey.org/packages/blender"
-    resp = request_repo_info(url)
-    html_txt = str(resp.read())
-    found = re.findall(re_blender_version_min_maj_pat, html_txt)
-    if found:
-        print(found[0], end="")
+    latest_blender_version = get_latest_blender_version()
+    if latest_blender_version:
+        print(latest_blender_version[0], end="")
+    else:
+        print("[ERROR] could not determine blender_version_min_maj_pat")
+        quit(1)


 elif sys.argv[1] == "--latest_blender_release_maj_min?":
-    re_blender_version_min_maj = r"Latest Version.+<span>Blender (\d+\.\d+)\..+</span>"
-    url = "https://community.chocolatey.org/packages/blender"
-    resp = request_repo_info(url)
-    html_txt = str(resp.read())
-    found = re.findall(re_blender_version_min_maj, html_txt)
-    if found:
-        print(found[0], end="")
+    html_txt = get_choco_package_info()
+    blender_version_min_maj = re.findall(RE_BLENDER_VERSION_MIN_MAJ, html_txt)
+    if blender_version_min_maj:
+        print(blender_version_min_maj[0], end="")
+    else:
+        print("[ERROR] could not determine blender_version_min_maj")
+        quit(1)


 elif sys.argv[1] == "--latest_blender_python_version_maj_min?":
-    # get latest blender version first
-    re_blender_version_min_maj_pat = r"Latest Version.+<span>Blender (\d+\.\d+\.\d+)</span>"
-    url = "https://community.chocolatey.org/packages/blender"
-    resp = request_repo_info(url)
-    html_txt = str(resp.read())
-    found = re.findall(re_blender_version_min_maj_pat, html_txt)
-    if found:
-        latest_blender_version_tag = f"v{found[0]}"
-        re_blender_python_version_maj_min = r"SET\(PYTHON_VERSION (\d+.\d+) "
-        url = f"https://raw.githubusercontent.com/blender/blender/{latest_blender_version_tag}/build_files/cmake/Modules/FindPythonLibsUnix.cmake"
-        resp = request_repo_info(url)
+    latest_blender_version = get_latest_blender_version()
+    if latest_blender_version:
+        latest_blender_version_tag = f"v{latest_blender_version[0]}"
+        resp = request_repo_info(URL_BLENDER_CMAKE.format(latest_blender_version_tag))
        html_txt = str(resp.read())
-        found = re.findall(re_blender_python_version_maj_min, html_txt)
+        found = re.findall(RE_BLENDER_PYTHON_VERSION_MAJ_MIN, html_txt)
        if found:
            print(found[0], end="")
+        else:
+            print("[ERROR] could not determine blender_python_version_maj_min")
+            quit(1)


 elif sys.argv[1] == "--pyver?":
-    # get latest blender version first
-    re_blender_version_min_maj_pat = r"Latest Version.+<span>Blender (\d+\.\d+\.\d+)</span>"
-    url = "https://community.chocolatey.org/packages/blender"
-    resp = request_repo_info(url)
-    html_txt = str(resp.read())
-    found = re.findall(re_blender_version_min_maj_pat, html_txt)
-    if found:
-        latest_blender_version_tag = f"v{found[0]}"
-        re_blender_python_version_maj_min = r"SET\(PYTHON_VERSION (\d+.\d+) "
-        url = f"https://raw.githubusercontent.com/blender/blender/{latest_blender_version_tag}/build_files/cmake/Modules/FindPythonLibsUnix.cmake"
-        resp = request_repo_info(url)
+    latest_blender_version = get_latest_blender_version()
+    if latest_blender_version:
+        latest_blender_version_tag = f"v{latest_blender_version[0]}"
+        resp = request_repo_info(URL_BLENDER_CMAKE.format(latest_blender_version_tag))
        html_txt = str(resp.read())
-        found = re.findall(re_blender_python_version_maj_min, html_txt)
+        found = re.findall(RE_BLENDER_PYTHON_VERSION_MAJ_MIN, html_txt)
        if found:
            print(f"py{found[0].replace('.', '')}", end="")
+        else:
+            print("[ERROR] could not determine pyver")
+            quit(1)

@@ -0,0 +1,43 @@
+################################################################################
+#                                                                              #
+# This file is part of IfcOpenShell.                                           #
+#                                                                              #
+# IfcOpenShell is free software: you can redistribute it and/or modify         #
+# it under the terms of the Lesser GNU General Public License as published by  #
+# the Free Software Foundation, either version 3.0 of the License, or          #
+# (at your option) any later version.                                          #
+#                                                                              #
+# IfcOpenShell is distributed in the hope that it will be useful,              #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of               #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 #
+# Lesser GNU General Public License for more details.                          #
+#                                                                              #
+# You should have received a copy of the Lesser GNU General Public License     #
+# along with this program. If not, see <http://www.gnu.org/licenses/>.         #
+#                                                                              #
+################################################################################
+
+if(NOT EXISTS "@CMAKE_BINARY_DIR@/install_manifest.txt")
+    message(FATAL_ERROR "Cannot find install manifest: @CMAKE_BINARY_DIR@/install_manifest.txt")
+endif()
+
+file(READ "@CMAKE_BINARY_DIR@/install_manifest.txt" files)
+string(REGEX REPLACE "\n" ";" files "${files}")
+
+foreach(file ${files})
+    message(STATUS "Uninstalling $ENV{DESTDIR}${file}")
+
+    if(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+        exec_program(
+            "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
+            OUTPUT_VARIABLE rm_out
+            RETURN_VALUE rm_retval
+        )
+
+        if(NOT "${rm_retval}" STREQUAL 0)
+            message(FATAL_ERROR "Problem when removing $ENV{DESTDIR}${file}")
+        endif()
+    else(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+        message(STATUS "File $ENV{DESTDIR}${file} does not exist.")
+    endif()
+endforeach()
@@ -1,8 +0,0 @@
-compile:
-	conda activate conda-build && conda-build -c conda-forge . --keep-old-work --python 3.10.5
-
-debug:
-	conda activate conda-build && conda-debug -c conda-forge . --python 3.10.4
-
-env:
-	conda env update --f environment.yml --prune
@@ -4,6 +4,7 @@ set MY_PY_VER=%PY_VER:.=%
 set LIBXML2="%LIBRARY_PREFIX%/lib/libxml2.lib"

 cmake -G "Ninja" ^
+ -D SCHEMA_VERSIONS="2x3;4;4x1;4x3;4x3_add1" ^
 -D CMAKE_BUILD_TYPE:STRING=Release ^
 -D CMAKE_INSTALL_PREFIX:FILEPATH="%LIBRARY_PREFIX%" ^
 -D CMAKE_PREFIX_PATH:FILEPATH="%LIBRARY_PREFIX%" ^
@@ -13,6 +13,7 @@ if [ `uname` == Darwin ]; then
 fi

 cmake -G Ninja \
+ -DSCHEMA_VERSIONS="2x3;4;4x1;4x3;4x3_add1" \
 -DCMAKE_BUILD_TYPE=Release \
 -DCMAKE_INSTALL_PREFIX=$PREFIX \
  ${CMAKE_PLATFORM_FLAGS[@]} \
@@ -1,2 +1,6 @@
 CONDA_BUILD_SYSROOT:
-  - /opt/MacOSX10.13.sdk       # [osx]
+  - /opt/MacOSX10.13.sdk       # [osx]
+
+variant:
+  - novtk
+  - all
@@ -1,13 +0,0 @@
-name: conda-build
-channels:
-  - conda-forge
-dependencies:
-  - conda-build
-  - conda-verify
-  - anaconda-client
-  - ninja
-  - doxygen
-  - ripgrep
-  - pip
-  - pip:
-      - lief==0.13
@@ -1,6 +1,10 @@
 {% set name = "ifcopenshell" %}
 {% set version = "0.7.0" %}
+{% set build = 1 %}

+# Higher number -> Always prioritize "novtk" variant over "all" variant
+{% set build = build + 200 %}   # [variant == "novtk"]
+{% set build = build + 100 %}   # [variant == "all"]

 package:
  name: {{ name }}
@@ -10,8 +14,9 @@ source:
  path: ..

 build:
+  string: py{{ CONDA_PY }}_{{ variant }}_h{{ PKG_HASH }}_{{ build }}
  binary_relocation: false [osx]
-  number: 1
+  number: {{ build }}

 requirements:
  build:
@@ -19,12 +24,12 @@ requirements:
    - {{ compiler('cxx') }}
    - ninja >=1.10.2
    - cmake
-    - swig >=4.0.2
+    - swig 4.1.1

  host:
    - python
    - boost-cpp
-    - occt ==7.7.0
+    - occt 7.7.2 *{{ variant }}*
    - libxml2
    - cgal-cpp
    - hdf5
@@ -36,11 +41,11 @@ requirements:

  run:
    - python
-    - boost-cpp
-    - occt ==7.7.0
+    - occt 7.7.2 *{{ variant }}*
+    - {{ pin_compatible('cgal-cpp', max_pin='x.x.x') }}
+    - {{ pin_compatible('boost-cpp', max_pin='x.x.x') }}
+    - {{ pin_compatible('hdf5', max_pin='x.x.x') }}
    - libxml2
-    - cgal-cpp
-    - hdf5
    - mpfr
    - gmp  # [unix]
    - mpir  # [win]
@@ -52,12 +57,12 @@ test:
    - ifcopenshell

 about:
-  home: http://ifcopenshell.org
+  home: https://ifcopenshell.org
  license: LGPL-3.0-or-later
  license_file: COPYING
  summary: 'IfcOpenShell is a library to support the IFC file format'
  description: |
    IfcOpenShell is an open source (LGPL) software library for 
    working with the Industry Foundation Classes (IFC) file format.
-  doc_url: http://ifcopenshell.org/
+  doc_url: https://ifcopenshell.org/
  dev_url: https://github.com/IfcOpenShell/IfcOpenShell
@@ -1,11 +0,0 @@
-#Look for an executable called sphinx-build
-find_program(SPHINX_EXECUTABLE
-             NAMES sphinx-build
-             DOC "Path to sphinx-build executable")
-
-include(FindPackageHandleStandardArgs)
-
-#Handle standard arguments to find_package like REQUIRED and QUIET
-find_package_handle_standard_args(Sphinx
-                                  "Failed to find sphinx-build executable"
-                                  SPHINX_EXECUTABLE)
@@ -1,11 +0,0 @@
-#Look for an executable called sphinx-build
-find_program(SPHINX_EXECUTABLE
-             NAMES sphinx-build
-             DOC "Path to sphinx-build executable")
-
-include(FindPackageHandleStandardArgs)
-
-#Handle standard arguments to find_package like REQUIRED and QUIET
-find_package_handle_standard_args(Sphinx
-                                  "Failed to find sphinx-build executable"
-                                  SPHINX_EXECUTABLE)
@@ -0,0 +1,33 @@
+# IfcOpenShell C++ API documentation
+
+This folder contains the setup to build the IfcOpenShell C++ API documentation from the source code.
+
+## Generating the documentation
+
+> Prerequisites:
+> 
+> Make sure to have [Doxygen](https://www.doxygen.nl) and [Graphviz](https://graphviz.org) installed into your `$PATH` variable.
+> 
+> The documentation also use the [doxygen-awesome](https://jothepro.github.io/doxygen-awesome-css) theme as a git submodule.
+
+Build with the command (from within the `/docs/cpp-api` folder):
+
+```shell
+$ doxygen
+```
+
+To include the current git commit hash into the build documentation, use the following command:
+
+```shell
+$ PROJECT_NUMBER=$(git rev-parse --short HEAD) doxygen
+```
+
+This will extract the current commit hash in short version and sets the propper ENV variable used by doxygen.
+
+The generation of the documentation might take a while depending on your systems hardware, as it is configured to generate the Class graphs using .
+
+The resulting documentation is located unter `/cpp-api/output/html` and can be directly accessed with your browser:
+
+```shell
+$ open ./output/html/index.html
+```
@@ -1,240 +0,0 @@
-APPLY_DEFAULT_MATERIALS
-----------------------
-
-Given the command invocation:
-
-    Duplex_A_20110907_optimized.ifc d.dae -yv --include attribute GlobalId 3bXiCStxP6Fgxdej$yc50U
-
-You will find log messages along the lines of
-
-    [Warning] {3bXiCStxP6Fgxdej$yc50U} No material and surface styles for:
-    #333=IfcCovering('3bXiCStxP6Fgxdej$yc50U',#1,'Compound Ceiling:Gypsum Board:187483',$,'Compound Ceiling:Gypsum Board',#17840,#17052,'187483',.CEILING.)
-
-This means that there is no IfcStyledItem associated to the representation items and that the element does not have an IfcMaterial association with IfcMaterialRepresentation from which we can derive a style (colour) for the element.
-
-The interactive session below shows how with this setting enabled you will get a default generated material from the IFC element entity type and material indices of 0 pointing to that. With this setting disabled the material index would be -1 to indicate a missing style. Note that there is one material index for every triangle in the list of `shp.geometry.faces`.
-
-    >>> import ifcopenshell, ifcopenshell.geom
-    >>> f = ifcopenshell.open("Duplex_A_20110907_optimized.ifc")
-    >>> s = ifcopenshell.geom.settings()
-    >>> c = f["3bXiCStxP6Fgxdej$yc50U"]
-    >>>
-    >>> shp = ifcopenshell.geom.create_shape(s, c)
-    >>> shp.geometry.material_ids
-    (-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1)
-    >>> [(m.name, m.diffuse) for m in shp.geometry.materials]
-    []
-    >>>
-    >>> s.set(s.APPLY_DEFAULT_MATERIALS, True)
-    >>> shp = ifcopenshell.geom.create_shape(s, c)
-    >>> shp.geometry.material_ids
-    (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
-    >>> [(m.name, m.diffuse) for m in shp.geometry.materials]
-    [('IfcCovering', (0.7, 0.7, 0.7))]
-
-This is enabled by default for the IfcConvert serializers as they will not gracefully handle -1 material indices and allows users to quickly assign colours based on entity types in their modelling applications.
-
-APPLY_LAYERSETS
---------------
-
-This setting is available in IfcConvert as `--enable-layerset-slicing`.
-
-For IfcWall and IfcSlab elements, takes the associated IfcMaterialLayerSet and builds a set of surfaces to segment the building element geometry.
-
-Note that enabling this settings is computationally intensive as it involves 3D Boolean operations.
-
-    Duplex_A_20110907_optimized.ifc d1.dae -yv --include attribute GlobalId 2O2Fr$t4X7Zf8NOew3FNr2
-    
-![Image of d1.dae](images/settings-1.png)
-    
-    Duplex_A_20110907_optimized.ifc d2.dae --enable-layerset-slicing -yv --include attribute GlobalId 2O2Fr$t4X7Zf8NOew3FNr2
-    
-![Image of d2.dae](images/settings-2.png)
-
-BUILDING_LOCAL_PLACEMENT
------------------------
-
-This setting is available in IfcConvert using `--building-local-placement`.
-
-In the typical IfcSite > IfcBuilding > IfcBuildingStorey > ... hierarchy of elements, don't incorporate the ObjectPlacement of the IfcBuilding and above in the placement of elements in the output. This is useful when there is a large offset in this placement that reduces precision in further processing.
-
-CONVERT_BACK_UNITS
------------------
-
-This setting is available in IfcConvert using `--convert-back-units`.
-
-Internally IfcOpenShell uses meters as the global length unit to do calculations. This setting restores the coordinate positions after conversion by multiplying the factor of the IfcUnit with UnitType=LENGTHUNIT into the output geometry coordinate values.
-
-DISABLE_OPENING_SUBTRACTIONS
----------------------------
-
-This setting is available in IfcConvert using `--disable-opening-subtraction`.
-
-As in most viewer applications, IfcOpeningElement geometry is subtracted from their host elements. This setting disables this behavior.
-
-    Duplex_A_20110907_optimized.ifc d1.dae -yv --include attribute GlobalId 2O2Fr$t4X7Zf8NOew3FNr2
-    
-![Image of d1.dae](images/settings-1.png)
-    
-    Duplex_A_20110907_optimized.ifc d3.dae --disable-opening-subtraction -yv --include attribute GlobalId 2O2Fr$t4X7Zf8NOew3FNr2
-    
-![Image of d3.dae](images/settings-3.png)
-
-Note that disabling this settings will reduce processing time and improve robustness as it involves 3D Boolean operations.
-
-DISABLE_TRIANGULATION
---------------------
-
-To be used in conjunction with `USE_BREP_DATA`. Do not apply the triangulation and - when `USE_BREP_DATA` is set - return a OpenCASCADE serialized TopoDS_Shape from `create_shape()` and `iterator`.
-
-    >>> import ifcopenshell, ifcopenshell.geom
-    >>> s = ifcopenshell.geom.settings()
-    >>> s.set(s.DISABLE_TRIANGULATION, True)
-    >>> s.set(s.USE_BREP_DATA, True)
-    >>> f = ifcopenshell.open("Duplex_A_20110907_optimized.ifc")
-    >>> c = f["3bXiCStxP6Fgxdej$yc50U"]
-    >>> shp = ifcopenshell.geom.create_shape(s, c)
-    >>> print(shp.geometry.brep_data)
-
-    CASCADE Topology V1, (c) Matra-Datavision
-    Locations 0
-    Curve2ds 0
-    Curves 12
-    1 4.6750000000000034 -8.0749999999999904 2.657 -2.0455514041918775e-15 -1 0
-    1 4.6750000000000034 -8.0749999999999904 2.657 1 -3.435893306383461e-15 0
-    1 6.2260000000000044 -8.0749999999999957 2.657 -2.0455514041918724e-15 -1 0
-    1 6.226 -10.246000000000031 2.657 -1 6.8717866127669219e-15 0
-    ...
-
-EDGE_ARROWS
-----------
-
-When `INCLUDE_CURVES` is true and geometric elements include curves (such as the wall axis), add arrow heads to the edges to indicate direction of the curve.
-
-    Duplex_A_20110907_optimized.ifc d4.dae --model --plan --edge-arrows -yv --include attribute GlobalId 2O2Fr$t4X7Zf8NOew3FNr2
-    
-![Image of d4.dae](images/settings-4.png)
-
-EXCLUDE_SOLIDS_AND_SURFACES
---------------------------
-
-Exclude faces, shells and solids from geometrical output. Implied when using `--plan` without `--model` in IfcConvert.
-
-FASTER_BOOLEANS
---------------
-
-NOTE: Only applicable when using OCCT 6.9 and earlier.
-
-This setting is available in IfcConvert using `--merge-boolean-operands`.
-
-Fuse the collection of all boolean operands into a single union before applying the boolean subtraction, as opposed to doing individual subtractions. This likely improves performance. From OCCT 7.0 onwards the boolean operations with multiple arguments is used.
-
-GENERATE_UVS
------------
-
-This setting is available in IfcConvert using `--generate-uvs`.
-
-Applies a box projection on the generated geometry for the element to obtain UV coordinates. This is purely generated, it does not involve texture coordinates stored in the IFC model.
-
-    Duplex_A_20110907_optimized.ifc d5.dae --generate-uvs -yv --include attribute GlobalId 2O2Fr$t4X7Zf8NOew3FNr2
-
-![Image of d5.dae with a UV grid applied in Blender](images/settings-5.png)
-
-INCLUDE_CURVES
--------------
-
-This setting is available in IfcConvert using `--plan`.
-
-Include edge and wire geometries in the geometric output.
-
-LAYERSET_FIRST
--------------
-
-This setting is available in IfcConvert using `--layerset-first`.
-
-When not using APPLY_LAYERSETS, take the first material layer from the set to use as the material for the overall element.
-
-NO_NORMALS
----------
-
-This setting is available in IfcConvert using `--no-normals`.
-
-Do not emit normals on geometric output
-
-SEARCH_FLOOR
------------
-
-Note: Only applicable to Collada .DAE output when used from IfcConvert.
-
-This setting is available in IfcConvert using `--use-element-hierarchy`.
-
-Include the spatial hierarchy in the elements.
-
-SEW_SHELLS
----------
-
-This setting is available in IfcConvert using `--orient-shells`.
-
-Re-orient or sew connected face sets to have a consistent outwards orientation.
-
-SITE_LOCAL_PLACEMENT
--------------------
-
-This setting is available in IfcConvert using `--site-local-placement`.
-
-See `BUILDING_LOCAL_PLACEMENT`, but exclude also the ObjectPlacement of the IfcSite.
-
-USE_BREP_DATA
-------------
-
-See `DISABLE_TRIANGULATION`.
-
-USE_PYTHON_OPENCASCADE
----------------------
-
-Note: Only available when an import of `OCC.Core.BRepTools` or `OCC.BRepTools` succeeds.
-
-This implies `USE_WORLD_COORDS` `USE_BREP_DATA` and `DISABLE_TRIANGULATION`. The serialized TopoDS_Shape of `USE_BREP_DATA` is deserialized by Python OpenCASCADE.
-
-USE_WORLD_COORDS
----------------
-
-Apply the ObjectPlacement of the building elements to the geometric output. This is implied when using the Wavefront .OBJ output in IfcConvert. Note that this also eliminates the possibility for geometric elements to point to the same interpreted geometry result.
-
-VALIDATE_QUANTITIES
-------------------
-
-This setting is available in IfcConvert using `--validate`.
-
-Running IfcConvert with `--validate` will set a non-zero exit code when ever a log message with severity equal or greater than ERROR has been emitted.
-
-Currently for internal use only. For every building element geometry converted, looks for an associated quantity set where the OwnerHistory's organization name is IfcOpenShell. And looks for the quantities "Total Surface Area", "Volume", "Shape Validation Properties.Surface Genus" and validates these according to the interpreted geometry definition. Emit Logger::Error when calculated values are outside of the tolerance range for the value stored in the model.
-
-WELD_VERTICES
-------------
-
-Note: In Python, this setting is *on* by default.
-
-Note: This setting only affects triangulated output.
-
-This setting is available in IfcConvert using `--weld-vertices`.
-
-Discards normals and joins vertices solely based on position. This is useful when output is to be modified in a modeling application.
-
-    >>> import ifcopenshell, ifcopenshell.geom
-    >>> s = ifcopenshell.geom.settings()
-    >>> s.set(s.WELD_VERTICES, False)
-    >>> f = ifcopenshell.open("Duplex_A_20110907_optimized.ifc")
-    >>> c = f["3bXiCStxP6Fgxdej$yc50U"]
-    >>> shp = ifcopenshell.geom.create_shape(s, c)
-    >>> shp.geometry.verts
-    (4.675000000000003, -8.07499999999999, 2.657, 4.674999999999999, -10.24600000000002, 2.657, 6.226000000000004, -8.074999999999996, 2.657, 6.226, -10.24600000000003, 2.657, 4.675000000000003, -8.07499999999999, 2.6, 4.674999999999999, -10.24600000000002, 2.6, 6.226000000000004, -8.074999999999996, 2.6, 6.226, -10.24600000000003, 2.6, 4.674999999999999, -10.24600000000002, 2.657, 4.674999999999999, -10.24600000000002, 2.6, 4.675000000000003, -8.07499999999999, 2.657, 4.675000000000003, -8.07499999999999, 2.6, 6.226, -10.24600000000003, 2.657, 4.674999999999999, -10.24600000000002, 2.657, 6.226, -10.24600000000003, 2.6, 4.674999999999999, -10.24600000000002, 2.6, 6.226000000000004, -8.074999999999996, 2.657, 6.226, -10.24600000000003, 2.657, 6.226000000000004, -8.074999999999996, 2.6, 6.226, -10.24600000000003, 2.6, 4.675000000000003, -8.07499999999999, 2.657, 4.675000000000003, -8.07499999999999, 2.6, 6.226000000000004, -8.074999999999996, 2.657, 6.226000000000004, -8.074999999999996, 2.6)
-    >>> shp.geometry.normals
-    (3.059754518198021e-17, 0.0, -1.0, 3.059754518198021e-17, 0.0, -1.0, 3.059754518198021e-17, 0.0, -1.0, 3.059754518198021e-17, 0.0, -1.0, 2.110175529791737e-16, 0.0, -1.0, 2.110175529791737e-16, 0.0, -1.0, 2.110175529791737e-16, 0.0, -1.0, 2.110175529791737e-16, 0.0, -1.0, -1.0, 1.79434333701042e-15, 0.0, -1.0, 1.79434333701042e-15, 0.0, -1.0, 1.79434333701042e-15, 0.0, -1.0, 1.79434333701042e-15, 0.0, 6.8717866127669046e-15, 1.0, 0.0, 6.8717866127669046e-15, 1.0, 0.0, 6.8717866127669046e-15, 1.0, 0.0, 6.8717866127669046e-15, 1.0, 0.0, -1.0, 1.79434333701042e-15, 0.0, -1.0, 1.79434333701042e-15, 0.0, -1.0, 1.79434333701042e-15, 0.0, -1.0, 1.79434333701042e-15, 0.0, 3.4358933063834523e-15, 1.0, 0.0, 3.4358933063834523e-15, 1.0, 0.0, 3.4358933063834523e-15, 1.0, 0.0, 3.4358933063834523e-15, 1.0, 0.0)
-    >>>
-    >>> s.set(s.WELD_VERTICES, True)
-    >>> shp = ifcopenshell.geom.create_shape(s, c)
-    >>> shp.geometry.verts
-    (4.675000000000003, -8.07499999999999, 2.657, 4.674999999999999, -10.24600000000002, 2.657, 6.226000000000004, -8.074999999999996, 2.657, 6.226, -10.24600000000003, 2.657, 4.675000000000003, -8.07499999999999, 2.6, 4.674999999999999, -10.24600000000002, 2.6, 6.226000000000004, -8.074999999999996, 2.6, 6.226, -10.24600000000003, 2.6)
-    >>> shp.geometry.normals
-    ()
@@ -76,7 +76,7 @@ PROJECT_NAME = "IfcOpenShell"
 USE_CURRENT_PYTHON_VERSION = os.getenv("USE_CURRENT_PYTHON_VERSION")
 ADD_COMMIT_SHA = os.getenv("ADD_COMMIT_SHA")

-PYTHON_VERSIONS = ["3.6.14", "3.7.13", "3.8.13", "3.9.11", "3.10.3", "3.11.0"]
+PYTHON_VERSIONS = ["3.6.14", "3.7.13", "3.8.13", "3.9.11", "3.10.3", "3.11.7", "3.12.1"]
 JSON_VERSION = "v3.6.1"
 OCE_VERSION = "0.18.3"
 OCCT_VERSION = "7.5.3"
@@ -892,8 +892,9 @@ if "IfcOpenShell-Python" in targets:
            module_dir = os.path.dirname(run([python_executable, "-c", "import inspect, ifcopenshell; print(inspect.getfile(ifcopenshell))"]))

            if platform.system() != "Darwin":
-                # TODO: This symbol name depends on the Python version?
-                run([strip, "-s", "-K", "PyInit__ifcopenshell_wrapper", "_ifcopenshell_wrapper.so"], cwd=module_dir)
+                if BUILD_CFG == "Release":
+                    # TODO: This symbol name depends on the Python version?
+                    run([strip, "-s", "-K", "PyInit__ifcopenshell_wrapper", "_ifcopenshell_wrapper.so"], cwd=module_dir)

            return module_dir

@@ -1,3 +1,9 @@
+VERSION:=`date '+%y%m%d'`
+SED:=sed -i
+ifeq ($(UNAME_S),Darwin)
+SED:=sed -i '' -e
+endif
+
 .PHONY: ci
 ci:
 	tox
@@ -12,6 +18,13 @@ models:
 	cd src && xsdata generate -p bcf.v2.model --unnest-classes --kw-only --slots -ds Google bcf/v2/xsd
 	cd src && xsdata generate -p bcf.v3.model --unnest-classes --kw-only --slots -ds Google bcf/v3/xsd

+.PHONY: dist
+dist:
+	rm -rf dist
+	$(SED) "s/999999/$(VERSION)/" pyproject.toml
+	python -m build
+	$(SED) "s/$(VERSION)/999999/" pyproject.toml
+
 # .PHONY
 # api:
-#     openapi-python-client generate --url https://api.swaggerhub.com/apis/buildingSMART/BCF/3.0
+#     openapi-python-client generate --url https://api.swaggerhub.com/apis/buildingSMART/BCF/3.0
@@ -1,84 +1,5 @@
 # bcf

-A simple Python implementation of BCF.
-Manipulation of BCF-XML is available via `bcfxml.py` and manipulation of BCF-API
-is available via `bcfapi.py`.
-
-It tries to support BCF-XML version 2.1 and 3.0, and BCF-API 3.0.
-
-## bcfxml
-
-The `bcfxml.load` function lets you read a BCF-XML file.
-It takes care of using the right version based on the "bcf.version" file contained in the BCF package.
-
-The BCF files are extracted and parsed on-demand, and edits are stored in memory until you call the `save` method.
-
-```python
-from bcf.bcfxml import load
-
-# Load a project
-with load("/path/to/file.bcf") as bcfxml:
-    project = bcfxml.project
-    print(project.name)
-
-    # To edit a project, just modify the object directly
-    bcfxml.project.name = "New name"
-
-    # Get a dictionary of topics
-    topics = bcfxml.topics
-
-    for topic_guid, topic_handler in bcfxml.topics.items():
-        topic = topic_handler.topic
-        print("Topic guid is", topic.guid)
-        print("Topic title is", topic.title)
-
-        # Fetch extra data about a topic
-        header = topic_handler.header
-        comments = topic_handler.comments
-        viewpoints = topic_handler.viewpoints
-
-        for comment in comments:
-            print(comment.guid)
-            print(comment.comment)
-            print(comment.author)
-
-    # Get a particular topic
-    topic = bcfxml.get_topic(guid)
-
-    # Modify a topic
-    topic.title = "New title"
-
-    bcfxml.save()
-```
-
-## bcfapi
-
-The `bcfapi` module lets you interact with the BCF-API standard.
-
-```python
-from bcf.v3.bcfapi import FoundationClient, BcfClient
-
-foundation_client = FoundationClient("YOUR_CLIENT_ID", "YOUR_CLIENT_SECRET", "OPENCDE_BASEURL")
-auth_methods = foundation_client.get_auth_methods()
-
-# Our library currently only implements the authorization_code flow
-if "authorization_code" in auth_methods:
-    foundation_client.login()
-
-bcf_client = BcfClient(foundation_client)
-
-versions = foundation_client.get_versions()
-for version in versions:
-if "3.0" in versions:
-    if version["api_id"] == "bcf" and version["version_id"] == "3.0":
-        bcf_client.set_version(version)
-
-data = bcf_client.get_projects()
-print(data)
-project_id = data[0]["project_id"]
-print(project_id)
-data = bcf_client.get_project(project_id)
-print(data)
-data = bcf_client.get_extensions(project_id)
-print(data)
-```
+A simple Python implementation of the BCF standard. Manipulation of BCF-XML is
+available via `bcfxml.py` and manipulation of BCF-API is available via
+`bcfapi.py`.
@@ -17,7 +17,7 @@ dependencies = [
    "numpy",
    "ifcopenshell",
 ]
-version = "0.0.1"
+version = "0.0.999999"
 classifiers = [
    "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
    "Operating System :: OS Independent",
@@ -76,7 +76,7 @@ deps =
    black
    isort
    pylint
-commands = 
+commands =
    black {posargs:.}
    isort {posargs:.}
    pylint {posargs:.} --output-format=colorized
@@ -138,4 +138,4 @@ max-attributes = 10

 [tool.pylint.format]
 expected-line-ending-format = "LF"
-max-line-length = 120
+max-line-length = 120
@@ -275,6 +275,7 @@ class TopicHandler:
        """
        new_viewpoint = VisualizationInfoHandler.create_new(element, self._xml_handler)
        self.add_visinfo_handler(new_viewpoint)
+        return new_viewpoint

    def add_viewpoint_from_point_and_guids(self, position: NDArray[np.float_], *guids: str) -> None:
        """Add a viewpoint pointing at an XYZ point in space
@@ -287,6 +288,7 @@ class TopicHandler:
            position, *guids, xml_handler=self._xml_handler
        )
        self.add_visinfo_handler(vi_handler)
+        return vi_handler

    def add_visinfo_handler(self, new_viewpoint: VisualizationInfoHandler) -> None:
        self.viewpoints[new_viewpoint.guid + ".bcfv"] = new_viewpoint
@@ -36,115 +36,163 @@ endif
 endif

 VERSION:=`date '+%y%m%d'`
+LAST_COMMIT_HASH:=$(shell git rev-parse HEAD)
 PYVERSION:=py310
+PYPI_IMP:=cp

 ifeq ($(PYVERSION), py39)
 PYLIBDIR:=python3.9
 PYNUMBER:=39
+PYPI_VERSION:=3.9
 endif
 ifeq ($(PYVERSION), py310)
 PYLIBDIR:=python3.10
 PYNUMBER:=310
+PYPI_VERSION:=3.10
+endif
+ifeq ($(PYVERSION), py311)
+PYLIBDIR:=python3.11
+PYNUMBER:=311
+PYPI_VERSION:=3.11
 endif

 ifeq ($(PLATFORM), linux)
+PYPI_PLATFORM:=--platform manylinux_2_17_x86_64
+LXML_ARCH:=manylinux_2_28_x86_64
+SHAPELY_ARCH:=manylinux_2_17_x86_64.manylinux2014_x86_64
+PILLOW_ARCH:=manylinux_2_28_x86_64
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-EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.1.0/download/linux-64/eigenpy-3.1.0-py39hdfdd6bb_0.conda
+HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.4.0/download/linux-64/hpp-fcl-2.4.0-py39h359ec1e_0.conda
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+endif
+ifeq ($(PYVERSION), py311)
+HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.4.0/download/linux-64/hpp-fcl-2.4.0-py311h04f086a_0.conda
+EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.2.0/download/linux-64/eigenpy-3.2.0-py311h995a085_0.conda
+BOOST_URL:=https://anaconda.org/conda-forge/boost/1.78.0/download/linux-64/boost-1.78.0-py311h59ea3da_3.tar.bz2
 endif
 ASSIMP_URL:=https://anaconda.org/conda-forge/assimp/5.0.1/download/linux-64/assimp-5.0.1-hedfc422_6.tar.bz2
+QHULL_URL:=https://anaconda.org/conda-forge/qhull/2020.2/download/linux-64/qhull-2020.2-h4bd325d_2.tar.bz2
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 endif

 ifeq ($(PLATFORM), macos)
+PYPI_PLATFORM:=--platform macosx_10_9_x86_64
+SHAPELY_ARCH:=macosx_10_9_x86_64
+PILLOW_ARCH:=macosx_10_10_x86_64
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-EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.1.0/download/osx-64/eigenpy-3.1.0-py39hc4d6e28_0.conda
+LXML_ARCH:=macosx_11_0_x86_64
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-EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.1.0/download/osx-64/eigenpy-3.1.0-py310h43da829_0.conda
+LXML_ARCH:=macosx_11_0_x86_64
+HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.4.0/download/osx-64/hpp-fcl-2.4.0-py310ha216469_0.conda
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 endif
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 ifeq ($(PLATFORM), macosm1)
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 endif
 ifeq ($(PYVERSION), py310)
-HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.3.4/download/osx-arm64/hpp-fcl-2.3.4-py310h46fc4cd_0.conda
-EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.1.0/download/osx-arm64/eigenpy-3.1.0-py310ha2643af_0.conda
+HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.4.0/download/osx-arm64/hpp-fcl-2.4.0-py310hdb6c3eb_0.conda
+EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.2.0/download/osx-arm64/eigenpy-3.2.0-py310h96e9823_0.conda
 BOOST_URL:=https://anaconda.org/conda-forge/boost/1.78.0/download/osx-arm64/boost-1.78.0-py310h629746b_4.tar.bz2
-QHULL_URL:=https://anaconda.org/conda-forge/qhull/2020.2/download/osx-arm64/qhull-2020.2-hc021e02_2.tar.bz2
-LXML_URL:=https://anaconda.org/conda-forge/lxml/4.9.1/download/osx-arm64/lxml-4.9.1-py310h02f21da_0.tar.bz2
-SHAPELY_URL:=https://files.pythonhosted.org/packages/ec/41/d59208743e737184e1b403e95a937aebb022b8459e99efbcd5208fc8be46/shapely-2.0.1-cp310-cp310-macosx_11_0_arm64.whl
-PILLOW_URL:=https://files.pythonhosted.org/packages/0c/5f/117b653cad585f3aedfe0de996c292e67d4b020ed77f652e5a6c8c24f908/Pillow-9.2.0-cp310-cp310-macosx_11_0_arm64.whl
+endif
+ifeq ($(PYVERSION), py311)
+HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.4.0/download/osx-arm64/hpp-fcl-2.4.0-py311hc0c29b9_0.conda
+EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.2.0/download/osx-arm64/eigenpy-3.2.0-py311h24fa84d_0.conda
+BOOST_URL:=https://anaconda.org/conda-forge/boost/1.78.0/download/osx-arm64/boost-1.78.0-py311h5c64717_4.tar.bz2
 endif
 ASSIMP_URL:=https://anaconda.org/conda-forge/assimp/5.0.1/download/osx-arm64/assimp-5.0.1-h0f81e16_7.tar.bz2
+QHULL_URL:=https://anaconda.org/conda-forge/qhull/2020.2/download/osx-arm64/qhull-2020.2-hc021e02_2.tar.bz2
 OCTOMAP_URL:=https://anaconda.org/conda-forge/octomap/1.9.8/download/osx-arm64/octomap-1.9.8-hffc8910_0.tar.bz2
 BOOSTCPP_URL:=https://anaconda.org/conda-forge/boost-cpp/1.78.0/download/osx-arm64/boost-cpp-1.78.0-h9ed8d21_3.conda
 ZLIB_URL:=https://anaconda.org/conda-forge/zlib/1.2.11/download/osx-arm64/zlib-1.2.11-h90dfc92_1014.tar.bz2
 endif

 ifeq ($(PLATFORM), win)
+PYPI_PLATFORM:=--platform win_amd64
+LXML_ARCH:=win_amd64
+SHAPELY_ARCH:=win_amd64
+PILLOW_ARCH:=win_amd64
 ifeq ($(PYVERSION), py39)
-HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.3.4/download/win-64/hpp-fcl-2.3.4-py39h39b25cb_0.conda
-EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.1.0/download/win-64/eigenpy-3.1.0-py39hb6c915b_0.conda
+HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.4.0/download/win-64/hpp-fcl-2.4.0-py39hf3ebc58_0.conda
+EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.2.0/download/win-64/eigenpy-3.2.0-py39ha1f6a47_0.conda
 BOOST_URL:=https://anaconda.org/conda-forge/boost/1.78.0/download/win-64/boost-1.78.0-py39hea4d8d1_4.tar.bz2
-LXML_URL:=https://files.pythonhosted.org/packages/72/d4/426ecb8849c47c3e370c87aa0ac05d85768df917ffea27fcd6686a5e6495/lxml-4.6.3-cp39-cp39-win_amd64.whl
-SHAPELY_URL:=https://files.pythonhosted.org/packages/a7/ae/eab645c4075093584b7a65ab71cb8ff4563a015bd935c9b55dba14b2c1eb/shapely-2.0.1-cp39-cp39-win_amd64.whl
-PILLOW_URL:=https://files.pythonhosted.org/packages/19/3f/b4d4bcf05dbcbe07f2e9613a8f4180c297395e73a91d8ad22c32c6624f8c/Pillow-9.2.0-cp39-cp39-win_amd64.whl
 endif
 ifeq ($(PYVERSION), py310)
-HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.3.4/download/win-64/hpp-fcl-2.3.4-py310heb59267_0.conda
-EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.1.0/download/win-64/eigenpy-3.1.0-py310hd146abe_0.conda
+HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.4.0/download/win-64/hpp-fcl-2.4.0-py310h1bf3f0a_0.conda
+EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.2.0/download/win-64/eigenpy-3.2.0-py310h7fb871d_0.conda
 BOOST_URL:=https://anaconda.org/conda-forge/boost/1.78.0/download/win-64/boost-1.78.0-py310h220cb41_4.tar.bz2
-LXML_URL:=https://files.pythonhosted.org/packages/f6/71/65c80a4caa1617a4c6e8fe1500cebb179db96232e2f623bfe6a1f4294e39/lxml-4.8.0-cp310-cp310-win_amd64.whl
-SHAPELY_URL:=https://files.pythonhosted.org/packages/81/8a/7ac076a86b2632f1872284c5e60ed5f2fc26094875a85b35d9fa17b52504/shapely-2.0.1-cp310-cp310-win_amd64.whl
-PILLOW_URL:=https://files.pythonhosted.org/packages/02/55/67a3c17b9e7d972ed8c246f104da99ca4f3ea42fba566697e479011b84b6/Pillow-9.2.0-cp310-cp310-win_amd64.whl
 endif
-ASSIMP_URL:=https://anaconda.org/conda-forge/assimp/5.0.1/download/win-64/assimp-5.0.1-hc2aa0de_6.tar.bz2
+ifeq ($(PYVERSION), py311)
+HPPFCL_URL:=https://anaconda.org/conda-forge/hpp-fcl/2.4.0/download/win-64/hpp-fcl-2.4.0-py311hd263b2c_0.conda
+EIGENPY_URL:=https://anaconda.org/conda-forge/eigenpy/3.2.0/download/win-64/eigenpy-3.2.0-py311hd354db1_0.conda
+BOOST_URL:=https://anaconda.org/conda-forge/boost/1.78.0/download/win-64/boost-1.78.0-py311h12feb9d_3.tar.bz2
+endif
+ASSIMP_URL:=https://anaconda.org/conda-forge/assimp/5.2.5/download/win-64/assimp-5.2.5-h4dcb625_0.tar.bz2
+QHULL_URL:=https://anaconda.org/conda-forge/qhull/2020.2/download/win-64/qhull-2020.2-h70d2c02_2.tar.bz2
 OCTOMAP_URL:=https://anaconda.org/conda-forge/octomap/1.9.8/download/win-64/octomap-1.9.8-h91493d7_0.tar.bz2
 BOOSTCPP_URL:=https://anaconda.org/conda-forge/boost-cpp/1.78.0/download/win-64/boost-cpp-1.78.0-h9f4b32c_3.conda
 ZLIB_URL:=https://anaconda.org/conda-forge/zlib/1.2.11/download/win-64/zlib-1.2.11-h62dcd97_1010.tar.bz2
 endif

+LXML_NAME:=lxml
+LXML_VER:=4.9.4
+SHAPELY_NAME:=shapely
+SHAPELY_VER:=2.0.2
+PILLOW_NAME:=pillow
+PILLOW_PKG_NAME:=Pillow
+PILLOW_VER:=9.5.0
+SHAPELY_URL:=https://files.pythonhosted.org/packages/cp$(PYNUMBER)/s/$(SHAPELY_NAME)/$(SHAPELY_NAME)-$(SHAPELY_VER)-cp$(PYNUMBER)-cp$(PYNUMBER)-$(SHAPELY_ARCH).whl
+PILLOW_URL:=https://files.pythonhosted.org/packages/cp$(PYNUMBER)/p/$(PILLOW_NAME)/$(PILLOW_PKG_NAME)-$(PILLOW_VER)-cp$(PYNUMBER)-cp$(PYNUMBER)-$(PILLOW_ARCH).whl
+
+ifeq ($(PLATFORM), macosm1)
+ifeq ($(PYVERSION), py39)
+LXML_URL:=https://anaconda.org/conda-forge/lxml/4.9.1/download/osx-arm64/lxml-4.9.1-py39h0520ce3_1.tar.bz2
+endif
+ifeq ($(PYVERSION), py310)
+LXML_URL:=https://anaconda.org/conda-forge/lxml/4.9.1/download/osx-arm64/lxml-4.9.1-py310h02f21da_0.tar.bz2
+endif
+ifeq ($(PYVERSION), py311)
+LXML_URL:=https://anaconda.org/conda-forge/lxml/4.9.1/download/osx-arm64/lxml-4.9.1-py311h246f609_1.tar.bz2
+endif
+else
+LXML_URL:=https://files.pythonhosted.org/packages/cp$(PYNUMBER)/l/$(LXML_NAME)/$(LXML_NAME)-$(LXML_VER)-cp$(PYNUMBER)-cp$(PYNUMBER)-$(LXML_ARCH).whl
+endif
+$(info $$LXML_URL is [${LXML_URL}])
+$(info $$SHAPELY_URL is [${SHAPELY_URL}])
+$(info $$PILLOW_URL is [${PILLOW_URL}])
+
 .PHONY: bump
 bump:
 	cd . && $(SED) "s/$(OLD)/$(NEW)/" Makefile
@@ -163,7 +211,7 @@ endif
 	cp -r blenderbim/* dist/blenderbim/

 	# Provides IfcOpenShell Python functionality
-	cd dist/working && wget https://s3.amazonaws.com/ifcopenshell-builds/ifcopenshell-python-$(PYNUMBER)-v0.7.0-8f41ae0-$(PLATFORM)64.zip
+	cd dist/working && wget https://s3.amazonaws.com/ifcopenshell-builds/ifcopenshell-python-$(PYNUMBER)-v0.7.0-6c9e130-$(PLATFORM)64.zip
 	cd dist/working && unzip ifcopenshell-python*
 	cp -r dist/working/ifcopenshell dist/blenderbim/libs/site/packages/

@@ -193,8 +241,10 @@ endif
 	cp -r dist/working/IfcOpenShell-0.7.0/src/ifcbimtester/bimtester dist/blenderbim/libs/site/packages/
 	# Provides IFCTester functionality
 	cp -r dist/working/IfcOpenShell-0.7.0/src/ifctester/ifctester dist/blenderbim/libs/site/packages/
-	# Provides IFCCOBie functionality
-	cp -r dist/working/IfcOpenShell-0.7.0/src/ifccobie/* dist/blenderbim/libs/site/packages/
+	# Provides IFCFM functionality
+	cp -r dist/working/IfcOpenShell-0.7.0/src/ifcfm/ifcfm dist/blenderbim/libs/site/packages/
+	# Provides bSDD functionality
+	cp -r dist/working/IfcOpenShell-0.7.0/src/bsdd/* dist/blenderbim/libs/site/packages/
 	# Provides IFCDiff functionality
 	cp -r dist/working/IfcOpenShell-0.7.0/src/ifcdiff/* dist/blenderbim/libs/site/packages/
 	# Provides IFCCSV functionality
@@ -375,6 +425,10 @@ endif
 	mkdir dist/working
 	cd dist/working && $(PYTHON) -m venv env
 	cd dist/working && mkdir site-packages
+	# Required by IfcCSV
+	cd dist/working && . env/bin/activate && $(PIP) install pandas $(PYPI_PLATFORM) --python-version $(PYPI_VERSION) --implementation $(PYPI_IMP) --only-binary=:all: --target=./site-packages
+	cd dist/working && . env/bin/activate && $(PIP) install openpyxl --target=./site-packages
+	cd dist/working && . env/bin/activate && $(PIP) install odfpy --target=./site-packages
 	# Required by IFCCityJSON
 	cd dist/working && . env/bin/activate && $(PIP) install cjio --target=./site-packages
 	# Provides express rule validation for ifcopenshell.validate
@@ -425,8 +479,7 @@ ifeq ($(PLATFORM), win)
 endif
 	rm -rf dist/working

-	# Required by hpp-fcl except on Windows
-ifneq ($(PLATFORM), win)
+	# Required by hpp-fcl
 	mkdir dist/working
 	cd dist/working && wget $(QHULL_URL)
 	cd dist/working && tar -xf qhull*
@@ -439,8 +492,10 @@ endif
 ifeq ($(PLATFORM), macosm1)
 	cp -r dist/working/lib/*.dylib dist/blenderbim/libs/
 endif
-	rm -rf dist/working
+ifeq ($(PLATFORM), win)
+	cp -r dist/working/Library/bin/*.dll dist/blenderbim/libs/site/packages/hppfcl/
 endif
+	rm -rf dist/working

 	# Required by hpp-fcl
 	mkdir dist/working
@@ -475,7 +530,7 @@ ifeq ($(PLATFORM), macosm1)
 	cp -r dist/working/lib/*.dylib dist/blenderbim/libs/
 endif
 ifeq ($(PLATFORM), win)
-	# Uh, do nothing, apparently? No DLLs are shipped.
+	cp -r dist/working/Library/bin/*.dll dist/blenderbim/libs/site/packages/hppfcl/
 endif
 	rm -rf dist/working

@@ -581,28 +636,6 @@ endif
 	cd dist/working/parse_type-0.5.2/ && cp -r parse_type ../../blenderbim/libs/site/packages/
 	rm -rf dist/working

-	# Required by IFCCOBie for XLSX support
-	# TODO: see if we can replace this with openpyxl which does both read/write
-	mkdir dist/working
-	cd dist/working && wget https://files.pythonhosted.org/packages/0c/bc/82d6783f83f65f56d8b77d052773c4a2f952fa86385f0cd54e1e006658d7/XlsxWriter-1.2.9.tar.gz
-	cd dist/working && tar -xzvf XlsxWriter*
-	cd dist/working/XlsxWriter-1.2.9/ && cp -r xlsxwriter ../../blenderbim/libs/site/packages/
-	rm -rf dist/working
-
-	# Required by IFCCOBie for ODS support
-	mkdir dist/working
-	cd dist/working && wget https://files.pythonhosted.org/packages/97/73/8ade73f6749177003f7ce3304f524774adda96e6aaab30ea79fd8fda7934/odfpy-1.4.1.tar.gz
-	cd dist/working && tar -xzvf odfpy*
-	cd dist/working/odfpy-1.4.1/ && cp -r odf ../../blenderbim/libs/site/packages/
-	rm -rf dist/working
-
-	# Required by odfpy
-	mkdir dist/working
-	cd dist/working && wget https://files.pythonhosted.org/packages/a4/5f/f8aa58ca0cf01cbcee728abc9d88bfeb74e95e6cb4334cfd5bed5673ea77/defusedxml-0.6.0.tar.gz
-	cd dist/working && tar -xzvf defusedxml*
-	cd dist/working/defusedxml-0.6.0/ && cp -r defusedxml ../../blenderbim/libs/site/packages/
-	rm -rf dist/working
-
 	# Required by augin
 	mkdir dist/working
 	cd dist/working && wget https://files.pythonhosted.org/packages/76/b4/b7baffbda025efd5dc8fcd8d2e953e3aa939c236a484084fa8f4c3588ee9/boto3-1.17.17.tar.gz
@@ -638,13 +671,6 @@ endif
 	cp -r dist/working/IFC2JSON_python-master/file_converters/ifcjson dist/blenderbim/libs/site/packages/
 	rm -rf dist/working

-	# Provides OpenLCA functionality
-	mkdir dist/working
-	cd dist/working && wget https://files.pythonhosted.org/packages/85/33/f91b96e9e8608ff65a003b692e8a9cdd60f2178f60617e5b1d21334c009c/olca-ipc-0.0.10.tar.gz
-	cd dist/working && tar -xzvf olca-ipc*
-	cd dist/working/olca-ipc-0.0.10/ && cp -r olca ../../blenderbim/libs/site/packages/
-	rm -rf dist/working
-
 	# Provides Brickschema functionality
 	mkdir dist/working
 	# For now lets bundle the latest nightly schema
@@ -670,11 +696,18 @@ endif
 	# Required for Desktop icon and file association
 	cp -r blenderbim/libs/desktop dist/blenderbim/libs/

+	# generate translations module for BBIM build
+	git clone https://github.com/IfcOpenShell/blenderbim-translations.git dist/working
+	python scripts/bbim_translations.py -i "dist/working" -o "dist/blenderbim"
+	rm -rf dist/working
+
 	# Remove dependencies also bundled with Blender
 	rm -rf dist/blenderbim/libs/site/packages/numpy
 	rm -rf dist/blenderbim/libs/site/packages/numpy.libs

 	cd dist/blenderbim && $(SED) "s/999999/$(VERSION)/" __init__.py
+	cd dist/blenderbim && $(SED) "s/999999/$(VERSION)/" blender_manifest.toml
+	cd dist/blenderbim/bim && $(SED) "s/8888888/$(LAST_COMMIT_HASH)/" __init__.py
 	cd dist && zip -r blenderbim-$(VERSION)-$(PYVERSION)-$(PLATFORM).zip ./*
 	rm -rf dist/blenderbim

@@ -22,13 +22,14 @@ import site

 bl_info = {
    "name": "BlenderBIM",
-    "description": "Author, import, and export data using the Industry Foundation Classes schema",
+    "description": "Transforms Blender into a native Building Information Model authoring platform using IFC.",
    "author": "IfcOpenShell Contributors",
-    "blender": (2, 80, 0),
+    "blender": (3, 1, 0),
    "version": (0, 0, 999999),
-    "location": "File > Export, File > Import, Scene / Object / Material / Mesh Properties",
+    "location": "File Menu, Scene Properties Tab. See documentation for more.",
+    "doc_url": "https://blenderbim.org/docs",
    "tracker_url": "https://github.com/IfcOpenShell/IfcOpenShell/issues",
-    "category": "Import-Export",
+    "category": "System",
 }

 if sys.modules.get("bpy", None):
@@ -16,15 +16,25 @@
 # You should have received a copy of the GNU General Public License
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.

+import os
+from pathlib import Path
 import bpy
+import bpy.utils.previews
 import blenderbim
 import importlib
 from . import handler, ui, prop, operator, helper

+try:
+    from blenderbim.translations import translations_dict
+except ImportError:
+    translations_dict = {}
+cwd = os.path.dirname(os.path.realpath(__file__))
+
 modules = {
    "project": None,
    "search": None,
    "bcf": None,
+    "bsdd": None,
    "root": None,
    "unit": None,
    "model": None,
@@ -38,8 +48,9 @@ modules = {
    "spatial": None,
    "void": None,
    "aggregate": None,
+    "nest": None,
    "geometry": None,
-    "cobie": None,
+    "fm": None,
    "resource": None,
    "cost": None,
    "sequence": None,
@@ -61,7 +72,6 @@ modules = {
    "document": None,
    "pset_template": None,
    "clash": None,
-    "lca": None,
    "csv": None,
    "tester": None,
    "bimtester": None,
@@ -72,6 +82,7 @@ modules = {
    "augin": None,
    "debug": None,
    "ifcgit": None,
+    "covering": None,
    # Uncomment this line to enable loading of the demo module. Happy hacking!
    # The name "demo" must correlate to a folder name in `bim/module/`.
    # "demo": None,
@@ -85,27 +96,28 @@ for name in modules.keys():
 classes = [
    operator.AddIfcFile,
    operator.BIM_OT_add_section_plane,
+    operator.BIM_OT_open_webbrowser,
    operator.BIM_OT_remove_section_plane,
-    operator.ConfigureVisibility,
+    operator.BIM_OT_show_description,
+    operator.EditBlenderCollection,
+    operator.FileAssociate,
+    operator.FileUnassociate,
    operator.OpenUpstream,
    operator.OpenUri,
    operator.ReloadIfcFile,
    operator.RemoveIfcFile,
    operator.SelectDataDir,
    operator.SelectIfcFile,
-    operator.ReloadSelectedIfcFile,
    operator.SelectSchemaDir,
-    operator.FileAssociate,
-    operator.FileUnassociate,
    operator.SelectURIAttribute,
-    operator.EditBlenderCollection,
-    operator.BIM_OT_open_webbrowser,
-    operator.BIM_OT_show_description,
+    operator.SetTab,
+    operator.SwitchTab,
    prop.StrProperty,
    operator.BIM_OT_enum_property_search,  # /!\ Register AFTER prop.StrProperty
    prop.ObjProperty,
    prop.Attribute,
-    prop.ModuleVisibility,
+    prop.BIMAreaProperties,
+    prop.BIMTabProperties,
    prop.BIMProperties,
    prop.IfcParameter,
    prop.PsetQto,
@@ -114,51 +126,90 @@ classes = [
    prop.BIMCollectionProperties,
    prop.BIMMaterialProperties,
    prop.BIMMeshProperties,
-    ui.BIM_PT_section_plane,
+    prop.BIMFacet,
+    prop.BIMFilterGroup,
    ui.BIM_UL_generic,
    ui.BIM_UL_topics,
    ui.BIM_ADDON_preferences,
-    # Scene panel groups
-    ui.BIM_PT_project_info,
-    ui.BIM_PT_project_setup,
-    ui.BIM_PT_collaboration,
-    ui.BIM_PT_selection,
-    ui.BIM_PT_geometry,
-    ui.BIM_PT_services,
-    ui.BIM_PT_structural,
-    ui.BIM_PT_4D5D,
-    ui.BIM_PT_quality_control,
-    ui.BIM_PT_integrations,
-    # Object panel groups
-    ui.BIM_PT_object_metadata,
-    ui.BIM_PT_geometry_object,
-    ui.BIM_PT_services_object,
-    ui.BIM_PT_utilities_object,
-    ui.BIM_PT_misc_object,
+    # Tabs panel
+    ui.BIM_PT_tabs,
+    # Project overview
+    ui.BIM_PT_tab_project_info,
+    ui.BIM_PT_tab_project_setup,
+    ui.BIM_PT_tab_geometry,
+    ui.BIM_PT_tab_stakeholders,
+    ui.BIM_PT_tab_grouping_and_filtering,
+    # Object information
+    ui.BIM_PT_tab_object_metadata,
+    ui.BIM_PT_tab_misc,
+    # Geometry and materials
+    ui.BIM_PT_tab_placement,
+    ui.BIM_PT_tab_representations,
+    ui.BIM_PT_tab_geometric_relationships,
+    ui.BIM_PT_tab_parametric_geometry,
+    ui.BIM_PT_tab_profiles,
+    ui.BIM_PT_tab_materials,
+    ui.BIM_PT_tab_styles,
+    # Drawings and documents
+    ui.BIM_PT_tab_sheets,
+    ui.BIM_PT_tab_drawings,
+    ui.BIM_PT_tab_schedules,
+    ui.BIM_PT_tab_references,
+    # Services and systems
+    ui.BIM_PT_tab_services,
+    ui.BIM_PT_tab_zones,
+    # Structural analysis
+    ui.BIM_PT_tab_structural,
+    # Construction scheduling
+    ui.BIM_PT_tab_status,
+    ui.BIM_PT_tab_resources,
+    ui.BIM_PT_tab_cost,
+    ui.BIM_PT_tab_sequence,
+    # Facility management
+    ui.BIM_PT_tab_handover,
+    ui.BIM_PT_tab_operations,
+    # Quality and coordination
+    ui.BIM_PT_tab_quality_control,
+    ui.BIM_PT_tab_clash_detection,
+    ui.BIM_PT_tab_collaboration,
+    ui.BIM_PT_tab_sandbox,
+    # TODO: move this somewhere else and clean it up
+    ui.BIM_PT_section_plane,
 ]

 for mod in modules.values():
    classes.extend(mod.classes)

+addon_keymaps = []
+icons = None
+is_registering = False
+last_commit_hash = "8888888"
+overridden_scene_panels = dict()
+

 def on_register(scene):
-    handler.setDefaultProperties(scene)
+    global is_registering
+
+    if is_registering:
+        return
+    is_registering = True
+    handler.load_post(scene)
    if not bpy.app.background:
        bpy.app.handlers.depsgraph_update_post.remove(on_register)
+    is_registering = False


 def register():
    for cls in classes:
        bpy.utils.register_class(cls)
    bpy.app.handlers.depsgraph_update_post.append(on_register)
-    bpy.app.handlers.undo_pre.append(handler.undo_pre)
    bpy.app.handlers.undo_post.append(handler.undo_post)
-    bpy.app.handlers.redo_pre.append(handler.redo_pre)
    bpy.app.handlers.redo_post.append(handler.redo_post)
-    bpy.app.handlers.load_post.append(handler.setDefaultProperties)
+    bpy.app.handlers.load_post.append(handler.load_post)
    bpy.app.handlers.load_post.append(handler.loadIfcStore)
-    bpy.app.handlers.save_post.append(handler.ensureIfcExported)
    bpy.types.Scene.BIMProperties = bpy.props.PointerProperty(type=prop.BIMProperties)
+    bpy.types.Screen.BIMAreaProperties = bpy.props.CollectionProperty(type=prop.BIMAreaProperties)
+    bpy.types.Screen.BIMTabProperties = bpy.props.PointerProperty(type=prop.BIMTabProperties)
    bpy.types.Collection.BIMCollectionProperties = bpy.props.PointerProperty(type=prop.BIMCollectionProperties)
    bpy.types.Object.BIMObjectProperties = bpy.props.PointerProperty(type=prop.BIMObjectProperties)
    bpy.types.Material.BIMObjectProperties = bpy.props.PointerProperty(type=prop.BIMObjectProperties)
@@ -167,24 +218,57 @@ def register():
    bpy.types.Curve.BIMMeshProperties = bpy.props.PointerProperty(type=prop.BIMMeshProperties)
    bpy.types.Camera.BIMMeshProperties = bpy.props.PointerProperty(type=prop.BIMMeshProperties)
    bpy.types.PointLight.BIMMeshProperties = bpy.props.PointerProperty(type=prop.BIMMeshProperties)
-    bpy.types.SCENE_PT_unit.append(ui.ifc_units)
    if hasattr(bpy.types, "UI_MT_button_context_menu"):
        bpy.types.UI_MT_button_context_menu.append(ui.draw_custom_context_menu)
+    bpy.types.STATUSBAR_HT_header.append(ui.draw_statusbar)

    for mod in modules.values():
        mod.register()

+    wm = bpy.context.window_manager
+    if wm.keyconfigs.addon:
+        km = wm.keyconfigs.addon.keymaps.new(name="Window", space_type="EMPTY")
+        kmi = km.keymap_items.new("bim.switch_tab", "TAB", "PRESS", ctrl=True)
+        addon_keymaps.append((km, kmi))
+
+    global icons
+
+    icons_dir = os.path.join(cwd, "data", "icons")
+    icon_preview = bpy.utils.previews.new()
+    for filename in os.listdir(icons_dir):
+        if filename.endswith(".png"):
+            icon_name = os.path.splitext(filename)[0]
+            icon_path = os.path.join(icons_dir, filename)
+            icon_preview.load(icon_name, icon_path, "IMAGE")
+
+    icons = icon_preview
+
+    global last_commit_hash
+    try:
+        import git
+
+        path = Path(__file__).resolve().parent
+        repo = git.Repo(str(path), search_parent_directories=True)
+        last_commit_hash = repo.head.object.hexsha
+    except:
+        pass
+
+    bpy.app.translations.register("blenderbim", translations_dict)
+

 def unregister():
+    global icons
+
+    bpy.utils.previews.remove(icons)
+
    for cls in reversed(classes):
        if getattr(cls, "is_registered", None) is None:
            bpy.utils.unregister_class(cls)
        elif cls.is_registered:
            bpy.utils.unregister_class(cls)

-    bpy.app.handlers.load_post.remove(handler.setDefaultProperties)
+    bpy.app.handlers.load_post.remove(handler.load_post)
    bpy.app.handlers.load_post.remove(handler.loadIfcStore)
-    bpy.app.handlers.save_post.remove(handler.ensureIfcExported)
    del bpy.types.Scene.BIMProperties
    del bpy.types.Collection.BIMCollectionProperties
    del bpy.types.Object.BIMObjectProperties
@@ -194,9 +278,24 @@ def unregister():
    del bpy.types.Curve.BIMMeshProperties
    del bpy.types.Camera.BIMMeshProperties
    del bpy.types.PointLight.BIMMeshProperties
-    bpy.types.SCENE_PT_unit.remove(ui.ifc_units)
    if hasattr(bpy.types, "UI_MT_button_context_menu"):
        bpy.types.UI_MT_button_context_menu.remove(ui.draw_custom_context_menu)
+    bpy.types.STATUSBAR_HT_header.remove(ui.draw_statusbar)

    for mod in reversed(list(modules.values())):
        mod.unregister()
+
+    wm = bpy.context.window_manager
+    kc = wm.keyconfigs.addon
+    if kc:
+        for km, kmi in addon_keymaps:
+            km.keymap_items.remove(kmi)
+    addon_keymaps.clear()
+
+    for panel in tuple(overridden_scene_panels.keys()):
+        original_panel, override_panel = overridden_scene_panels[panel]
+        bpy.utils.unregister_class(override_panel)
+        bpy.utils.register_class(original_panel)
+        del overridden_scene_panels[panel]
+
+    bpy.app.translations.unregister("blenderbim")
@@ -27,6 +27,12 @@ text, tspan { /* 2.5mm */ fill: black; stroke: none; font-family: 'OpenGost Type
 .IfcAnnotation { fill: none; stroke: black; stroke-linecap: 'round'; stroke-width: 0.25; }
 .IfcGeographicElement { fill: none; stroke: black; stroke-linecap: 'round'; stroke-width: 1; }
 .PredefinedType-LINEWORK { stroke: black; stroke-width: 0.25; }
+.PredefinedType-LINEWORK.dashed { stroke-dasharray: 3, 2; }
+.PredefinedType-LINEWORK.fine { stroke-width: 0.18; stroke: #777777; }
+.PredefinedType-LINEWORK.thin { stroke-width: 0.25; }
+.PredefinedType-LINEWORK.medium { stroke-width: 0.35; }
+.PredefinedType-LINEWORK.thick { stroke-width: 0.5; }
+.PredefinedType-LINEWORK.strong { stroke-width: 1; }
 .PredefinedType-BACKGROUND { stroke: black; stroke-width: 0.18; }
 .PredefinedType-GRID { marker-start: url(#grid-marker); marker-end: url(#grid-marker); }
 .PredefinedType-SECTION { stroke-dasharray: 12.5, 3, 3, 3; }
@@ -40,7 +46,6 @@ text, tspan { /* 2.5mm */ fill: black; stroke: none; font-family: 'OpenGost Type
 .PredefinedType-SLOPEPERCENT { marker-end: url(#radius-marker-end); }
 .PredefinedType-SLOPEFRACTION { marker-end: url(#radius-marker-end); }
 .PredefinedType-DIAMETER { marker-start: url(#diameter-marker-start); marker-end: url(#diameter-marker-end); }
-.PredefinedType-HIDDENLINE { stroke-dasharray: 3, 2; }
 .PredefinedType-STAIRARROW { marker-start: url(#stair-marker-start); marker-end: url(#stair-marker-end); }
 .PredefinedType-BOUNDARY { fill: none; stroke: red; stroke-width: 1; stroke-dasharray: 12, 4, 3, 4, 3, 4; }
 .PredefinedType-SEALANT { fill: url(#crosshatch1); stroke-width: 0.25; }
@@ -75,7 +75,7 @@
    <marker id="stair-marker-end" markerHeight="42" markerWidth="21" orient="auto" refX="21" refY="21">
        <path d="M 0 0 L 21 21 L 0 42" class="annotation stair" style="stroke-width:2; marker-start: none; marker-end: none;" />
    </marker>
-    <marker id="plan-level-marker" markerHeight="30" markerWidth="30" refX="15" refY="15">
+    <marker id="plan-level-marker" markerHeight="30" markerWidth="30" refX="15" refY="15" orient="auto">
        <g>
            <path d="M 15 0 L 15 30" class="annotation" style="stroke-width:1;" />
            <path d="M 0 15 L 30 15" class="annotation" style="stroke-width:1;" />
@@ -84,7 +84,7 @@
            <path d="M 15 15 L 22.5 15 A 7.5 7.5 0 0 1 15 22.5 Z" fill="black"/>
        </g>
    </marker>
-    <marker id="section-level-marker" markerHeight="11" markerWidth="90" refX="20" refY="10">
+    <marker id="section-level-marker" markerHeight="11" markerWidth="90" refX="20" refY="10" orient="auto-start-reverse">
        <g>
            <path d="M 0 1 L 20 1 L 10 11 Z" fill="black" />
            <path d="M 0 1 L 90 1" class="annotation" style="stroke-width:1;" />
@@ -389,7 +389,7 @@
            "scene.display.shading.studiolight_background_blur": 0.0,
            "scene.display.shading.studiolight_intensity": 0.0,
            "scene.display.shading.studiolight_rotate_z": 0.0,
-            "scene.display.shading.type": "SOLID",
+            "scene.display.shading.type": "RENDERED",
            "scene.display.shading.use_compositor": "DISABLED",
            "scene.display.shading.use_dof": false,
            "scene.display.shading.use_scene_lights": false,
@@ -640,7 +640,7 @@
            "scene.display.shading.studiolight_background_blur": 0.0,
            "scene.display.shading.studiolight_intensity": 0.0,
            "scene.display.shading.studiolight_rotate_z": 0.0,
-            "scene.display.shading.type": "SOLID",
+            "scene.display.shading.type": "RENDERED",
            "scene.display.shading.use_compositor": "DISABLED",
            "scene.display.shading.use_dof": false,
            "scene.display.shading.use_scene_lights": false,
@@ -752,4 +752,4 @@
            "space.overlay.xray_alpha_bone": 0.0
        }
    }
-}
+}
@@ -21,6 +21,9 @@
        <line x1="-5" x2="5" style="stroke: black; stroke-width: 0.25;" />
        <text y="2.5" class="regular" text-anchor="middle" dominant-baseline="middle" data-type="text-template"></text>
    </g>
+    <g id="window-tag">
+        <path style="fill: white; stroke: black; stroke-width: 0.25;" d="m 0.0161133,-6.0583333 5.2339915,3.8366023 -2.031433,6.1633977 c 0,0 -6.4894866,-0.027414 -6.4894866,-0.027414 l -1.97929,-6.1803395 5.2662181,-3.7922467" />
+    </g>
    <g id="space-tag">
        <text y="-5" class="large" text-anchor="middle" dominant-baseline="middle" data-type="text-template"></text>
        <rect x="-6" y="-2.5" width="12" height="5" fill="white" stroke="black" style="stroke-width: 0.25;" />
@@ -41,4 +44,29 @@
        <circle r="5" fill="white" stroke="black" style="stroke-width: 0.25;" />
        <line x1="-5" y1="0" x2="5" y2="0" style="stroke: black; stroke-width: 0.25;" />
    </g>
+    <g id="dot">
+        <circle r="1" fill="black" stroke="black" style="stroke-width: 0.25;" />
+    </g>
+    <g id="setout-tag">
+        <circle fill="white" stroke="black" r="2.5" style="stroke-width: 0.5"/>
+        <path d="M 0 0 L -2.5 0 A 2.5 2.5 0 0 1 0 -2.5 Z" fill="black"/>
+        <path d="M 0 0 L 2.5 0 A 2.5 2.5 0 0 1 0 2.5 Z" fill="black"/>
+        <text x="3" y="-8" class="regular" text-anchor="start" dominant-baseline="auto" data-type="text-template"></text>
+        <text x="3" y="-4" class="regular" text-anchor="start" dominant-baseline="auto" data-type="text-template"></text>
+    </g>
+    <g id="setout-point">
+        <circle fill="white" stroke="black" r="2.5" style="stroke-width: 0.5"/>
+        <path d="M 0 0 L -2.5 0 A 2.5 2.5 0 0 1 0 -2.5 Z" fill="black"/>
+        <path d="M 0 0 L 2.5 0 A 2.5 2.5 0 0 1 0 2.5 Z" fill="black"/>
+    </g>
+    <g id="control-point">
+        <path style="fill: white; stroke: black; stroke-width: 0.5;" d="M 2.286165,1.4798666 H -1.0000316e-7 -2.2861651 L -1.1430826,-0.5000101 -1.0000316e-7,-2.479888 1.1430827,-0.5000101 Z" />
+        <circle r="0.5" fill="black" stroke="black" style="stroke-width: 0.25;" />
+    </g>
+    <g id="traverse-point">
+        <path style="fill: white; stroke: black; stroke-width: 0.5;" d="M -2,-2 2,2 M -2,2 2,-2" />
+    </g>
+    <g id="spot-elevation">
+        <path style="fill: white; stroke: black; stroke-width: 0.5;" d="M 0,-2 0,2 M -2,0 2,0" />
+    </g>
 </svg>
@@ -51,5 +51,5 @@ var json_data = `{{{json_data}}}`;
 <script>
 var data = `{{{data}}}`;
 setupPage(data);
-create_gantt_chart(json_data)
-</script>
+create_gantt_chart(atob(json_data))
+</script>
@@ -0,0 +1,993 @@
+ISO-10303-21;
+HEADER;
+FILE_DESCRIPTION(('ViewDefinition[DesignTransferView]'),'2;1');
+FILE_NAME('/dev/null','2024-01-24T15:32:17+05:00',(),(),'IfcOpenShell v0.7.0-6c9e130ca','IfcOpenShell v0.7.0-6c9e130ca','Nobody');
+FILE_SCHEMA(('IFC4'));
+ENDSEC;
+DATA;
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+#886=IFCINDEXEDPOLYGONALFACE((31,32,38,37));
+#887=IFCINDEXEDPOLYGONALFACE((32,33,39,38));
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+#891=IFCINDEXEDPOLYGONALFACE((42,37,43,48));
+#892=IFCINDEXEDPOLYGONALFACE((37,38,44,43));
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+#894=IFCINDEXEDPOLYGONALFACE((39,40,46,45));
+#895=IFCINDEXEDPOLYGONALFACE((40,41,47,46));
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+#898=IFCINDEXEDPOLYGONALFACE((43,44,50,49));
+#899=IFCINDEXEDPOLYGONALFACE((44,45,51,50));
+#900=IFCINDEXEDPOLYGONALFACE((45,46,52,51));
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+#903=IFCINDEXEDPOLYGONALFACE((49,50,51,52,53,54));
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+#910=IFCDIRECTION((0.,0.,1.));
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+#924=IFCINDEXEDPOLYGONALFACE((2,3,9,8));
+#925=IFCINDEXEDPOLYGONALFACE((3,4,10,9));
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+#930=IFCINDEXEDPOLYGONALFACE((8,9,15,14));
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+#937=IFCINDEXEDPOLYGONALFACE((15,16,22,21));
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+#939=IFCINDEXEDPOLYGONALFACE((17,18,24,23));
+#940=IFCINDEXEDPOLYGONALFACE((24,19,25,30));
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+#946=IFCINDEXEDPOLYGONALFACE((30,25,31,36));
+#947=IFCINDEXEDPOLYGONALFACE((25,26,32,31));
+#948=IFCINDEXEDPOLYGONALFACE((26,27,33,32));
+#949=IFCINDEXEDPOLYGONALFACE((27,28,34,33));
+#950=IFCINDEXEDPOLYGONALFACE((28,29,35,34));
+#951=IFCINDEXEDPOLYGONALFACE((29,30,36,35));
+#952=IFCINDEXEDPOLYGONALFACE((36,31,37,42));
+#953=IFCINDEXEDPOLYGONALFACE((31,32,38,37));
+#954=IFCINDEXEDPOLYGONALFACE((32,33,39,38));
+#955=IFCINDEXEDPOLYGONALFACE((33,34,40,39));
+#956=IFCINDEXEDPOLYGONALFACE((34,35,41,40));
+#957=IFCINDEXEDPOLYGONALFACE((35,36,42,41));
+#958=IFCINDEXEDPOLYGONALFACE((42,37,43,48));
+#959=IFCINDEXEDPOLYGONALFACE((37,38,44,43));
+#960=IFCINDEXEDPOLYGONALFACE((38,39,45,44));
+#961=IFCINDEXEDPOLYGONALFACE((39,40,46,45));
+#962=IFCINDEXEDPOLYGONALFACE((40,41,47,46));
+#963=IFCINDEXEDPOLYGONALFACE((41,42,48,47));
+#964=IFCINDEXEDPOLYGONALFACE((48,43,49,54));
+#965=IFCINDEXEDPOLYGONALFACE((43,44,50,49));
+#966=IFCINDEXEDPOLYGONALFACE((44,45,51,50));
+#967=IFCINDEXEDPOLYGONALFACE((45,46,52,51));
+#968=IFCINDEXEDPOLYGONALFACE((46,47,53,52));
+#969=IFCINDEXEDPOLYGONALFACE((47,48,54,53));
+#970=IFCINDEXEDPOLYGONALFACE((49,50,51,52,53,54));
+#971=IFCPOLYGONALFACESET(#920,$,(#921,#922,#923,#924,#925,#926,#927,#928,#929,#930,#931,#932,#933,#934,#935,#936,#937,#938,#939,#940,#941,#942,#943,#944,#945,#946,#947,#948,#949,#950,#951,#952,#953,#954,#955,#956,#957,#958,#959,#960,#961,#962,#963,#964,#965,#966,#967,#968,#969,#970),$);
+#972=IFCSHAPEREPRESENTATION(#16,'Body','Curve2D',(#919));
+#973=IFCSHAPEREPRESENTATION(#15,'Body','Tessellation',(#971));
+#974=IFCGEOGRAPHICELEMENTTYPE('1t393Epk10ahdDnhnFR8sr',$,'Tree Medium (5m)',$,$,$,(#979,#984),$,$,.NOTDEFINED.);
+#975=IFCCARTESIANPOINT((0.,0.,0.));
+#976=IFCDIRECTION((1.,0.,0.));
+#977=IFCDIRECTION((0.,0.,1.));
+#978=IFCAXIS2PLACEMENT3D(#975,#977,#976);
+#979=IFCREPRESENTATIONMAP(#978,#973);
+#980=IFCCARTESIANPOINT((0.,0.,0.));
+#981=IFCDIRECTION((1.,0.,0.));
+#982=IFCDIRECTION((0.,0.,1.));
+#983=IFCAXIS2PLACEMENT3D(#980,#982,#981);
+#984=IFCREPRESENTATIONMAP(#983,#972);
+ENDSEC;
+END-ISO-10303-21;
@@ -5,27 +5,27 @@ FILE_NAME('EPset_Drawing.ifc','2020-01-01T00:00:00',(),(),'EPset_Drawing','EPset
 FILE_SCHEMA(('IFC4'));
 ENDSEC;
 DATA;
-#1=IFCPROPERTYSETTEMPLATE('2JhNIvqZrFnAgxfhK0XVQX',$,'EPset_Drawing','',.PSET_OCCURRENCEDRIVEN.,'IfcAnnotation',(#2,#3,#4,#5,#6,#7,#8,#9,#10,#11,#12,#13,#14,#15,#16,#17,#18,#19,#20,#21));
+#1=IFCPROPERTYSETTEMPLATE('2JhNIvqZrFnAgxfhK0XVQX',$,'EPset_Drawing','',.PSET_OCCURRENCEDRIVEN.,'IfcAnnotation',(#2,#3,#4,#5,#6,#7,#8,#9,#10,#11,#12,#13,#14,#15,#16,#17,#18,#19,#20,#21,#22));
 #2=IFCSIMPLEPROPERTYTEMPLATE('23JavTMk98ZxXhrUEnjAcf',$,'TargetView','',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 #3=IFCSIMPLEPROPERTYTEMPLATE('1yVWUt5H9DAOuu0OaMMLpe',$,'Scale','The scale of this drawing represented as a numerator and denominator, such as 1/100',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 #4=IFCSIMPLEPROPERTYTEMPLATE('3gsuPBtU93b8f0gg1pjkq6',$,'HumanScale','The scale of this drawing in human readable format, such as 1:100',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
-#4=IFCSIMPLEPROPERTYTEMPLATE('2T$a4OFsv2LeD5JeBKEV4f',$,'IsNTS','Whether or not the scale is intended to be significant',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
-#5=IFCSIMPLEPROPERTYTEMPLATE('0AK5C2UpL4$eaac2LszAx$',$,'HasUnderlay','',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
-#6=IFCSIMPLEPROPERTYTEMPLATE('2j2ZEZR8X5tONm7kli5hM6',$,'HasLinework','',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
-#7=IFCSIMPLEPROPERTYTEMPLATE('1ttChRysH9UuEX2FeMj5Hu',$,'HasAnnotation','',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
-#8=IFCSIMPLEPROPERTYTEMPLATE('2NPPxuABv1huDTVh32TFgw',$,'GlobalReferencing','',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
-#9=IFCSIMPLEPROPERTYTEMPLATE('10hT_1zrzEbRRKMXYAWvtD',$,'Metadata','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
-#10=IFCSIMPLEPROPERTYTEMPLATE('3Z0BXPSG5CWgtI33ioV7aj',$,'Include','Selector expression to include ifc elements in the drawing',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
-#11=IFCSIMPLEPROPERTYTEMPLATE('1RVts_g3PAw98PJA2yL3bO',$,'Exclude','Selector expression to exclude ifc elements in the drawing',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
-#12=IFCSIMPLEPROPERTYTEMPLATE('0c1$8NpYDEaBiJrj16jHIo',$,'Stylesheet','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
-#13=IFCSIMPLEPROPERTYTEMPLATE('3mRF52q81FQB$h4oTh7M45',$,'Markers','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
-#14=IFCSIMPLEPROPERTYTEMPLATE('1rhr_0N3LDtuORcEJP0KXM',$,'Symbols','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
-#15=IFCSIMPLEPROPERTYTEMPLATE('2sHDBuW7P4TROy$hL2w7ct',$,'Patterns','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
-#16=IFCSIMPLEPROPERTYTEMPLATE('1$xfo9EVb26QLqmPll2_RK',$,'MetricPrecision','',.P_SINGLEVALUE.,'IfcReal',$,$,$,$,$,.READWRITE.);
-#17=IFCSIMPLEPROPERTYTEMPLATE('38uAtrp9nD_901NO42zd$7',$,'ImperialPrecision','',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
-#18=IFCSIMPLEPROPERTYTEMPLATE('1MX0uffTL6TOvtvEJpxFmk',$,'DecimalPlaces','',.P_SINGLEVALUE.,'IfcInteger',$,$,$,$,$,.READWRITE.);
-#19=IFCSIMPLEPROPERTYTEMPLATE('0joEq0Rd10cxweEh0NeHT6',$,'JoinCriteria','Comma separated selection keys which determine what cut objects are to be joined.',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
-#20=IFCSIMPLEPROPERTYTEMPLATE('0nYMT3OSj5gArVniCWZRtv',$,'ShadingStyles','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
-#21=IFCSIMPLEPROPERTYTEMPLATE('3VWG22eZXBdQwdKlzMeVQH',$,'CurrentShadingStyle','',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
+#5=IFCSIMPLEPROPERTYTEMPLATE('2T$a4OFsv2LeD5JeBKEV4f',$,'IsNTS','Whether or not the scale is intended to be significant',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
+#6=IFCSIMPLEPROPERTYTEMPLATE('0AK5C2UpL4$eaac2LszAx$',$,'HasUnderlay','',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
+#7=IFCSIMPLEPROPERTYTEMPLATE('2j2ZEZR8X5tONm7kli5hM6',$,'HasLinework','',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
+#8=IFCSIMPLEPROPERTYTEMPLATE('1ttChRysH9UuEX2FeMj5Hu',$,'HasAnnotation','',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
+#9=IFCSIMPLEPROPERTYTEMPLATE('2NPPxuABv1huDTVh32TFgw',$,'GlobalReferencing','',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
+#10=IFCSIMPLEPROPERTYTEMPLATE('10hT_1zrzEbRRKMXYAWvtD',$,'Metadata','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#11=IFCSIMPLEPROPERTYTEMPLATE('3Z0BXPSG5CWgtI33ioV7aj',$,'Include','Selector expression to include ifc elements in the drawing',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#12=IFCSIMPLEPROPERTYTEMPLATE('1RVts_g3PAw98PJA2yL3bO',$,'Exclude','Selector expression to exclude ifc elements in the drawing',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#13=IFCSIMPLEPROPERTYTEMPLATE('0c1$8NpYDEaBiJrj16jHIo',$,'Stylesheet','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#14=IFCSIMPLEPROPERTYTEMPLATE('3mRF52q81FQB$h4oTh7M45',$,'Markers','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#15=IFCSIMPLEPROPERTYTEMPLATE('1rhr_0N3LDtuORcEJP0KXM',$,'Symbols','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#16=IFCSIMPLEPROPERTYTEMPLATE('2sHDBuW7P4TROy$hL2w7ct',$,'Patterns','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#17=IFCSIMPLEPROPERTYTEMPLATE('1$xfo9EVb26QLqmPll2_RK',$,'MetricPrecision','',.P_SINGLEVALUE.,'IfcReal',$,$,$,$,$,.READWRITE.);
+#18=IFCSIMPLEPROPERTYTEMPLATE('38uAtrp9nD_901NO42zd$7',$,'ImperialPrecision','',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
+#19=IFCSIMPLEPROPERTYTEMPLATE('1MX0uffTL6TOvtvEJpxFmk',$,'DecimalPlaces','',.P_SINGLEVALUE.,'IfcInteger',$,$,$,$,$,.READWRITE.);
+#20=IFCSIMPLEPROPERTYTEMPLATE('0joEq0Rd10cxweEh0NeHT6',$,'JoinCriteria','Comma separated selection keys which determine what cut objects are to be joined.',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#21=IFCSIMPLEPROPERTYTEMPLATE('0nYMT3OSj5gArVniCWZRtv',$,'ShadingStyles','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#22=IFCSIMPLEPROPERTYTEMPLATE('3VWG22eZXBdQwdKlzMeVQH',$,'CurrentShadingStyle','',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 ENDSEC;
 END-ISO-10303-21;
@@ -0,0 +1,13 @@
+ISO-10303-21;
+HEADER;
+FILE_DESCRIPTION((),'2;1');
+FILE_NAME('EPset_Status.ifc','2020-01-01T00:00:00',(),(),'EPset_Status','EPset_Status',$);
+FILE_SCHEMA(('IFC4'));
+ENDSEC;
+DATA;
+#1=IFCPROPERTYSETTEMPLATE('3JoyTt$cz4fhYuQvJeTMhs',$,'EPset_Status','',.PSET_TYPEDRIVENOVERRIDE.,'IfcProduct',(#2,#4));
+#2= IFCSIMPLEPROPERTYTEMPLATE('2HBOdOfz5E3hZ7IBLCq$$D',$,'Status','Status of the element, predominately used in renovation or retrofitting projects. The status can be assigned to as "New" - element designed as new addition, "Existing" - element exists and remains, "Demolish" - element existed but is to be demolished,  "Temporary" - element will exists only temporary (like a temporary support structure).',.P_ENUMERATEDVALUE.,'IfcLabel',$,#3,$,$,$,.READWRITE.);
+#3= IFCPROPERTYENUMERATION('EPEnum_ElementStatus',(IFCLABEL('NEW'),IFCLABEL('EXISTING'),IFCLABEL('DEMOLISH'),IFCLABEL('TEMPORARY'),IFCLABEL('OTHER'),IFCLABEL('NOTKNOWN'),IFCLABEL('UNSET')),$);
+#4=IFCSIMPLEPROPERTYTEMPLATE('3ttXxqmlz62BlxjzEPpqvH',$,'UserDefinedStatus','',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
+ENDSEC;
+END-ISO-10303-21;
@@ -0,0 +1,16 @@
+ISO-10303-21;
+HEADER;
+FILE_DESCRIPTION((),'2;1');
+FILE_NAME('EQto_BodyGeometryValidation.ifc','2020-01-01T00:00:00',(),(),'EQto_BodyGeometryValidation','EQto_BodyGeometryValidation',$);
+FILE_SCHEMA(('IFC4'));
+ENDSEC;
+DATA;
+#1=IFCPROPERTYSETTEMPLATE('2KS9su6r517uLXTGKwwDdn',$,'EQto_BodyGeometryValidation','Quantities supplied for validating the correct interpretation of the body shape representation at import. In case of multiple representation items, the quantities are summed for each of the items (irrespective of any overlap). Choosing a suitable tolerance value for comparing the supplied numbers to the numbers calculated from the reconstructed geometry is at the discretion of the importing application.',.QTO_OCCURRENCEDRIVEN.,'IfcProduct',(#2,#3,#4,#5,#6,#7));
+#2=IFCSIMPLEPROPERTYTEMPLATE('3iCdOOLRjCwQ_HRTB41Xh8',$,'GrossSurfaceArea','Total gross area of the object, normally generated as perimeter * length + 2 * cross section area. It is the sum of OuterSurfaceArea + (2 x CrossSectionArea) and shall only be given, if the OuterSurfaceArea and CrossSectionArea cannot be established separately.\X2\000A000A\X0\Total gross surface area of the element before applying product-level geometric features such as openings and projections.',.Q_AREA.,$,$,$,$,$,$,.READWRITE.);
+#3=IFCSIMPLEPROPERTYTEMPLATE('0juemEqF5889vg7HwR87Fv',$,'NetSurfaceArea','Net surface area of the object, normally generated as perimeter * length + 2 * cross section area taking into account possible processing features (cut-out''s, etc.) or openings and recesses.\X2\000A000A\X0\Total net surface area of the element after applying product-level geometric features such as openings and projections.',.Q_AREA.,$,$,$,$,$,$,.READWRITE.);
+#4=IFCSIMPLEPROPERTYTEMPLATE('1LUuLSnMXFDgGLBCvte8aH',$,'GrossVolume','Total gross volume of the object. Openings, recesses, enclosed objects and projections are not taken into account.\X2\000A000A\X0\Total gross volume of the element before applying product-level geometric features such as openings and projections.',.Q_VOLUME.,$,$,$,$,$,$,.READWRITE.);
+#5=IFCSIMPLEPROPERTYTEMPLATE('0ny7TXUFz8wvnoQ2eU8czF',$,'NetVolume','Total net volume of the object, taking into account possible processing features (cut-out''s, etc.) or openings and recesses.\X2\000A000A\X0\Total net volume of the element before applying product-level geometric features such as openings and projections.',.Q_VOLUME.,$,$,$,$,$,$,.READWRITE.);
+#6=IFCSIMPLEPROPERTYTEMPLATE('31g8_gdUv8KRkOWzW48KoP',$,'SurfaceGenusBeforeFeatures','The Surface Genus of the evaluated representation items before applying product-level geometric features such as openings and projections.Surface Genus is a topological measure that represents the number of "holes" or "handles" on a surface. For example, a sphere has genus 0, and a torus has genus 1.Computed using the Euler characteristic:$$\\chi=V-E+F$$With the numbers of vertices (V), edges (E) and faces (F)$$\\chi=2\X2\2212\X0\2g\X2\2212\X0\b$$With surface genus (g) and the number of boundaries (b) the latter zero in case of an enclosed volume.',.Q_COUNT.,$,$,$,$,$,$,.READWRITE.);
+#7=IFCSIMPLEPROPERTYTEMPLATE('3kBBtGUebC09mUggGTKpjj',$,'SurfaceGenusAfterFeatures','The Surface Genus of the evaluated representation items after applying product-level geometric features such as openings and projections.Surface Genus is a topological measure that represents the number of "holes" or "handles" on a surface. For example, a sphere has genus 0, and a torus has genus 1.Computed using the Euler characteristic:$$\\chi=V-E+F$$With the numbers of vertices (V), edges (E) and faces (F)$$\\chi=2\X2\2212\X0\2g\X2\2212\X0\b$$With surface genus (g) and the number of boundaries (b) the latter zero in case of an enclosed volume.',.Q_COUNT.,$,$,$,$,$,$,.READWRITE.);
+ENDSEC;
+END-ISO-10303-21;
@@ -0,0 +1,23 @@
+ISO-10303-21;
+HEADER;
+FILE_DESCRIPTION(('ViewDefinition [CoordinationView]'),'2;1');
+FILE_NAME('','2023-09-28T23:00:50',(),(),'IfcOpenShell v0.7.0-fbd8ea1ed','IfcOpenShell v0.7.0-fbd8ea1ed','');
+FILE_SCHEMA(('IFC4'));
+ENDSEC;
+DATA;
+#1=IFCPROPERTYSETTEMPLATE('1TLQmgUKf0I8Zi07bm9Jqn',$,'ePSet_ProjectedCRS','',.PSET_OCCURRENCEDRIVEN.,'IfcProject',(#2,#3,#4,#5,#6,#7));
+#2=IFCSIMPLEPROPERTYTEMPLATE('2cH53PtVT3v88uf_uGFblG',$,'Name','',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
+#3=IFCSIMPLEPROPERTYTEMPLATE('3JsReA6vXDqR7aNC$haRYW',$,'Description','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#4=IFCSIMPLEPROPERTYTEMPLATE('0u0uEsT5HFtuX5GvozO9ba',$,'GeodeticDatum','',.P_SINGLEVALUE.,'IfcIdentifier',$,$,$,$,$,.READWRITE.);
+#5=IFCSIMPLEPROPERTYTEMPLATE('1JgEX9Fsf0$ggxYltdkqiY',$,'VerticalDatum','',.P_SINGLEVALUE.,'IfcIdentifier',$,$,$,$,$,.READWRITE.);
+#6=IFCSIMPLEPROPERTYTEMPLATE('3ahTZjYrD0MAOo5IH6QuGH',$,'MapProjection','',.P_SINGLEVALUE.,'IfcIdentifier',$,$,$,$,$,.READWRITE.);
+#7=IFCSIMPLEPROPERTYTEMPLATE('3hqJR2ghD0GAti7q4sXKj7',$,'MapZone','',.P_SINGLEVALUE.,'IfcIdentifier',$,$,$,$,$,.READWRITE.);
+#8=IFCPROPERTYSETTEMPLATE('1jGHTycOj0vA8xHfRl4TNs',$,'ePSet_MapConversion','',.PSET_OCCURRENCEDRIVEN.,'IfcProject',(#9,#10,#11,#12,#13,#15));
+#9=IFCSIMPLEPROPERTYTEMPLATE('0nxsULXo17JRrAvNteYtNR',$,'Eastings','',.P_SINGLEVALUE.,'IfcLengthMeasure',$,$,$,$,$,.READWRITE.);
+#10=IFCSIMPLEPROPERTYTEMPLATE('26RfaGJs5CqemN0Xin12XL',$,'Northings','',.P_SINGLEVALUE.,'IfcLengthMeasure',$,$,$,$,$,.READWRITE.);
+#11=IFCSIMPLEPROPERTYTEMPLATE('0ziCn3nZv3m850VEUwWH42',$,'OrthogonalHeight','',.P_SINGLEVALUE.,'IfcLengthMeasure',$,$,$,$,$,.READWRITE.);
+#12=IFCSIMPLEPROPERTYTEMPLATE('3d4BOt4In8WR119ms1SaAe',$,'XAxisAbscissa','',.P_SINGLEVALUE.,'IfcReal',$,$,$,$,$,.READWRITE.);
+#13=IFCSIMPLEPROPERTYTEMPLATE('1Q4Voqj2j84RQRI8l67m28',$,'XAxisOrdinate','',.P_SINGLEVALUE.,'IfcReal',$,$,$,$,$,.READWRITE.);
+#15=IFCSIMPLEPROPERTYTEMPLATE('0O1Hc0$XnDNOG_jPBmbW5r',$,'Scale','',.P_SINGLEVALUE.,'IfcReal',$,$,$,$,$,.READWRITE.);
+ENDSEC;
+END-ISO-10303-21;
@@ -1,214 +0,0 @@
-# BlenderBIM Add-on - OpenBIM Blender Add-on
-# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
-#
-# This file is part of BlenderBIM Add-on.
-#
-# BlenderBIM Add-on is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# BlenderBIM Add-on is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
-
-presets = {
-    "Basic": ["project", "search", "bcf", "attribute", "spatial", "pset", "qto"],
-    "Admin": [
-        "project",
-        "search",
-        "bcf",
-        "root",
-        "unit",
-        "model",
-        "georeference",
-        "context",
-        "drawing",
-        "misc",
-        "attribute",
-        "type",
-        "spatial",
-        "void",
-        "aggregate",
-        "geometry",
-        "cobie",
-        "resource",
-        "cost",
-        "sequence",
-        "group",
-        "system",
-        "structural",
-        "boundary",
-        "profile",
-        "material",
-        "style",
-        "layer",
-        "owner",
-        "pset",
-        "qto",
-        "classification",
-        "constraint",
-        "document",
-        "pset_template",
-        "clash",
-        "lca",
-        "csv",
-        "bimtester",
-        "diff",
-        "patch",
-        "covetool",
-        "augin",
-        "debug",
-    ],
-    "BIM Coordination": [
-        "project",
-        "search",
-        "bcf",
-        "root",
-        "unit",
-        "georeference",
-        "attribute",
-        "type",
-        "spatial",
-        "void",
-        "aggregate",
-        "owner",
-        "pset",
-        "qto",
-        "clash",
-        "csv",
-        "bimtester",
-        "diff",
-        "patch",
-        "debug",
-    ],
-    "Architecture": [
-        "project",
-        "search",
-        "bcf",
-        "root",
-        "unit",
-        "model",
-        "georeference",
-        "context",
-        "drawing",
-        "misc",
-        "attribute",
-        "type",
-        "spatial",
-        "void",
-        "aggregate",
-        "geometry",
-        "group",
-        "system",
-        "boundary",
-        "profile",
-        "material",
-        "style",
-        "layer",
-        "owner",
-        "pset",
-        "qto",
-        "classification",
-        "pset_template",
-        "clash",
-        "csv",
-    ],
-    "Structural Engineering": [
-        "project",
-        "search",
-        "bcf",
-        "root",
-        "unit",
-        "model",
-        "georeference",
-        "context",
-        "drawing",
-        "misc",
-        "attribute",
-        "type",
-        "spatial",
-        "void",
-        "aggregate",
-        "geometry",
-        "group",
-        "system",
-        "structural",
-        "boundary",
-        "profile",
-        "material",
-        "style",
-        "layer",
-        "owner",
-        "pset",
-        "qto",
-        "classification",
-        "pset_template",
-        "clash",
-        "csv",
-    ],
-    "MEP": [
-        "project",
-        "search",
-        "bcf",
-        "root",
-        "unit",
-        "model",
-        "georeference",
-        "context",
-        "drawing",
-        "misc",
-        "attribute",
-        "type",
-        "spatial",
-        "void",
-        "aggregate",
-        "geometry",
-        "group",
-        "system",
-        "boundary",
-        "profile",
-        "material",
-        "style",
-        "layer",
-        "owner",
-        "pset",
-        "qto",
-        "classification",
-        "pset_template",
-        "clash",
-        "csv",
-    ],
-    "Quantity Surveying": ["project", "search", "attribute", "spatial", "void", "pset", "qto", "classification", "csv"],
-    "Model Enrichment": [
-        "project",
-        "search",
-        "root",
-        "attribute",
-        "spatial",
-        "pset",
-        "qto",
-        "pset_template",
-        "csv",
-        "patch",
-    ],
-    "3D Visualisation": ["project", "search", "bcf", "attribute", "spatial", "pset", "qto"],
-    "4D Scheduling": ["project", "search", "attribute", "spatial", "resource", "cost", "sequence", "pset", "qto"],
-    "5D Cost Management": [
-        "project",
-        "search",
-        "attribute",
-        "spatial",
-        "resource",
-        "cost",
-        "sequence",
-        "pset",
-        "qto",
-        "lca",
-    ],
-    "Facility Management": ["project", "search", "attribute", "spatial", "cobie", "pset", "qto", "lca"],
-}
@@ -1,2 +0,0 @@
-Name,foo
-TransomThickness,500
@@ -82,7 +82,7 @@ class IfcExporter:
        )
        self.file.wrapped_data.header.file_name.preprocessor_version = "IfcOpenShell {}".format(ifcopenshell.version)
        self.file.wrapped_data.header.file_name.originating_system = "{} {}".format(
-            self.get_application_name(), self.get_application_version()
+            self.get_application_name(), tool.Blender.get_blenderbim_version()
        )

    def sync_all_objects(self):
@@ -93,6 +93,8 @@ class IfcExporter:
            try:
                if isinstance(obj, bpy.types.Material):
                    continue
+                if obj.library:
+                    continue
                tool.Collector.sync(obj)
                result = self.sync_object_placement(obj)
                if result:
@@ -162,7 +164,7 @@ class IfcExporter:
        return "BlenderBIM"

    def get_application_version(self):
-        return ".".join(
+        version = ".".join(
            [
                str(x)
                for x in [
@@ -172,6 +174,9 @@ class IfcExporter:
                ][0]
            ]
        )
+        if blenderbim.bim.last_commit_hash != "8888888":
+            version += f"-{blenderbim.bim.last_commit_hash[:7]}"
+        return version


 class IfcExportSettings:
@@ -16,46 +16,34 @@
 # You should have received a copy of the GNU General Public License
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.

+import os
 import bpy
 import json
 import addon_utils
 import ifcopenshell.api.owner.settings
+import blenderbim.bim
 import blenderbim.tool as tool
 import blenderbim.core.owner as core_owner
 from bpy.app.handlers import persistent
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.module.owner.prop import get_user_person, get_user_organisation
 from blenderbim.bim.module.model.data import AuthoringData
+from blenderbim.bim.module.model.workspace import LIST_OF_TOOLS, TOOLS_TO_CLASSES_MAP
 from mathutils import Vector
 from math import cos, degrees


+cwd = os.path.dirname(os.path.realpath(__file__))
 global_subscription_owner = object()


-def mode_callback(obj, data):
-    objects = bpy.context.selected_objects
-    if bpy.context.active_object:
-        objects += [bpy.context.active_object]
-    for obj in objects:
-        if (
-            obj.mode != "EDIT"
-            or not obj.data
-            or not isinstance(obj.data, (bpy.types.Mesh, bpy.types.Curve, bpy.types.TextCurve))
-            or not obj.BIMObjectProperties.ifc_definition_id
-        ):
-            continue
-        if obj.data.BIMMeshProperties.ifc_definition_id:
-            tool.Ifc.edit(obj)
-        elif IfcStore.get_file().by_id(obj.BIMObjectProperties.ifc_definition_id).is_a("IfcGridAxis"):
-            tool.Ifc.edit(obj)
-
-
 def name_callback(obj, data):
-    # TODO Do we still need this, now that we are monitoring the undo redo objects?
    try:
        obj.name
    except:
+        # The object is invalid but somehow still has a callback. Clear all
+        # msgbus subscriptions to prevent useless further triggers.
+        bpy.msgbus.clear_by_owner(obj)
        return  # In case the object RNA is gone during an undo / redo operation
    # Blender names are up to 63 UTF-8 bytes
    if len(bytes(obj.name, "utf-8")) >= 63:
@@ -69,14 +57,31 @@ def name_callback(obj, data):
        refresh_ui_data()
        return

-    if not obj.BIMObjectProperties.ifc_definition_id or "/" not in obj.name:
+    if not obj.BIMObjectProperties.ifc_definition_id:
        return
+
+    if obj.BIMObjectProperties.is_renaming:
+        obj.BIMObjectProperties.is_renaming = False
+        return
+
    element = IfcStore.get_file().by_id(obj.BIMObjectProperties.ifc_definition_id)
+    if "/" in obj.name:
+        object_name = obj.name
+        element_name = obj.name.split("/", 1)[1]
+    else:
+        element_name = obj.name
+        object_name = element.is_a() + f"/{element_name}"
+        obj.name = object_name  # NOTE: doesn't trigger infinite recursion
+
+    if element.is_a("IfcGridAxis"):
+        element.AxisTag = object_name.split("/")[1]
+        refresh_ui_data()
+
    if not element.is_a("IfcRoot"):
        return
+    element.Name = element_name
    if obj.BIMObjectProperties.collection:
-        obj.BIMObjectProperties.collection.name = obj.name
-    element.Name = "/".join(obj.name.split("/")[1:])
+        obj.BIMObjectProperties.collection.name = object_name
    refresh_ui_data()


@@ -99,7 +104,7 @@ def update_bim_tool_props():
        return
    mode = bpy.context.mode
    current_tool = bpy.context.workspace.tools.from_space_view3d_mode(mode)
-    if not current_tool or current_tool.idname != "bim.bim_tool":
+    if not current_tool or current_tool.idname not in LIST_OF_TOOLS:
        return
    element = tool.Ifc.get_entity(obj)
    if not element:
@@ -107,6 +112,16 @@ def update_bim_tool_props():
    representation = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
    if not representation:
        return
+
+    props = bpy.context.scene.BIMModelProperties
+    if element.is_a("IfcElementType") or element.is_a("IfcElement"):
+        element_type = ifcopenshell.util.element.get_type(element)
+        if element_type:
+            is_bim_tool = current_tool.idname == "bim.bim_tool"
+            if is_bim_tool:
+                props.ifc_class = element_type.is_a()
+            if is_bim_tool or TOOLS_TO_CLASSES_MAP.get(current_tool.idname) == element_type.is_a():
+                props.relating_type_id = str(element_type.id())
    extrusion = tool.Model.get_extrusion(representation)
    if not extrusion:
        return
@@ -117,7 +132,6 @@ def update_bim_tool_props():
        return x_angle

    si_conversion = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
-    props = bpy.context.scene.BIMModelProperties
    if not AuthoringData.is_loaded:
        AuthoringData.load()

@@ -168,70 +182,42 @@ def refresh_ui_data():
        except AttributeError:
            pass

-    if isinstance(tool.Ifc.get(), ifcopenshell.sqlite):
-        tool.Ifc.get().clear_cache()
-
-
-def purge_module_data():
-    from blenderbim.bim import modules
-
-    refresh_ui_data()
-    for name, value in modules.items():
-        try:
-            getattr(getattr(getattr(ifcopenshell.api, name), "data"), "Data").purge()
-        except AttributeError:
-            pass
-
+        # TODO: deprecate prop purge functions and refactor into data classes.
        try:
            getattr(value, "prop").purge()
        except AttributeError:
            pass

+    if isinstance(tool.Ifc.get(), ifcopenshell.sqlite):
+        tool.Ifc.get().clear_cache()
+

@persistent
 def loadIfcStore(scene):
    IfcStore.purge()
-    purge_module_data()
+    refresh_ui_data()
    if not IfcStore.get_file():
        return
    IfcStore.get_schema()
    IfcStore.relink_all_objects()


-@persistent
-def undo_pre(scene):
-    IfcStore.track_undo_redo_stack_object_map()
-
-
@persistent
 def undo_post(scene):
    if IfcStore.last_transaction != bpy.context.scene.BIMProperties.last_transaction:
        IfcStore.last_transaction = bpy.context.scene.BIMProperties.last_transaction
-        IfcStore.undo()
-        purge_module_data()
-    IfcStore.track_undo_redo_stack_selected_objects()
-    IfcStore.reload_undo_redo_stack_objects()
-
-
-@persistent
-def redo_pre(scene):
-    IfcStore.track_undo_redo_stack_object_map()
+        IfcStore.undo(until_key=bpy.context.scene.BIMProperties.last_transaction)
+        refresh_ui_data()
+    tool.Ifc.rebuild_element_maps()


@persistent
 def redo_post(scene):
    if IfcStore.last_transaction != bpy.context.scene.BIMProperties.last_transaction:
        IfcStore.last_transaction = bpy.context.scene.BIMProperties.last_transaction
-        IfcStore.redo()
-        purge_module_data()
-    IfcStore.track_undo_redo_stack_selected_objects()
-    IfcStore.reload_undo_redo_stack_objects()
-
-
-@persistent
-def ensureIfcExported(scene):
-    if IfcStore.get_file() and not bpy.context.scene.BIMProperties.ifc_file:
-        bpy.ops.export_ifc.bim("INVOKE_DEFAULT")
+        IfcStore.redo(until_key=bpy.context.scene.BIMProperties.last_transaction)
+        refresh_ui_data()
+    tool.Ifc.rebuild_element_maps()


 def get_application(ifc):
@@ -268,8 +254,62 @@ def viewport_shading_changed_callback(area):
        bpy.context.scene.BIMStylesProperties.active_style_type = "External"


+@classmethod
+def poll_check_blender_tab(cls, context):
+    return tool.Blender.is_tab(context, "BLENDER")
+
+
+def get_override_scene_panel(panel_name):
+    original_panel = getattr(bpy.types, panel_name)
+
+    override_panel = type(f"Override_{panel_name}", (original_panel,), {})
+    override_panel.bl_idname = f"{panel_name}_override"
+
+    # some blender panel depend on other and register_class will throw an error
+    # if we won't override their `bl_parent_id`
+    bl_parent_id = getattr(override_panel, "bl_parent_id", None)
+    if bl_parent_id is not None:
+        override_panel.bl_parent_id = f"{bl_parent_id}_override"
+
+    # override poll method
+    poll = getattr(override_panel, "poll", None)
+    if poll is None:
+        override_panel.poll = poll_check_blender_tab
+    else:
+
+        @classmethod
+        def wrapped_poll(cls, context):
+            return super(override_panel, cls).poll(context) and poll_check_blender_tab.__func__(cls, context)
+
+        override_panel.poll = wrapped_poll
+
+    return override_panel
+
+
+# TODO: possibly override scene panels from other addons too?
+# list can be updated from
+# https://projects.blender.org/blender/blender/src/branch/main/scripts/startup/bl_ui/properties_scene.py#L421
+OVERRIDE_SCENE_PANELS = (
+    "SCENE_PT_scene",
+    "SCENE_PT_unit",
+    "SCENE_PT_physics",
+    "SCENE_PT_rigid_body_world",
+    "SCENE_PT_rigid_body_world_settings",
+    "SCENE_PT_rigid_body_cache",
+    "SCENE_PT_rigid_body_field_weights",
+    "SCENE_PT_audio",
+    "SCENE_PT_keying_sets",
+    "SCENE_PT_custom_props",
+    # after SCENE_PT_keying_sets
+    "SCENE_PT_keying_set_paths",
+    "SCENE_PT_keyframing_settings",
+)
+if bpy.app.version >= (4, 0):
+    OVERRIDE_SCENE_PANELS += ("SCENE_PT_simulation",)
+
+
@persistent
-def setDefaultProperties(scene):
+def load_post(scene):
    global global_subscription_owner
    active_object_key = bpy.types.LayerObjects, "active"
    bpy.msgbus.subscribe_rna(
@@ -293,3 +333,25 @@ def setDefaultProperties(scene):
    ifcopenshell.api.owner.settings.get_user = lambda ifc: core_owner.get_user(tool.Owner)
    ifcopenshell.api.owner.settings.get_application = get_application
    AuthoringData.type_thumbnails = {}
+
+    if not bpy.context.preferences.addons["blenderbim"].preferences.should_setup_toolbar:
+        tool.Blender.unregister_toolbar()
+
+    if bpy.context.preferences.addons["blenderbim"].preferences.should_setup_workspace:
+        if "BIM" in bpy.data.workspaces:
+            bpy.context.window.workspace = bpy.data.workspaces["BIM"]
+        else:
+            bpy.ops.workspace.append_activate(idname="BIM", filepath=os.path.join(cwd, "data", "workspace.blend"))
+
+        # To improve usability for new users, we hijack the scene properties
+        # tab. We override default scene properties panels with our own poll
+        # to hide them unless the user has chosen to view Blender properties.
+        for panel in OVERRIDE_SCENE_PANELS:
+            if panel in blenderbim.bim.overridden_scene_panels:
+                continue
+            override_panel = get_override_scene_panel(panel)
+            original_panel = getattr(bpy.types, panel)
+            bpy.utils.register_class(override_panel)
+            bpy.utils.unregister_class(original_panel)
+            blenderbim.bim.overridden_scene_panels[panel] = (original_panel, override_panel)
+    tool.Blender.setup_tabs()
@@ -87,8 +87,15 @@ def import_attributes(ifc_class, props, data, callback=None):

 # A more elegant attribute importer signature, intended to supersede import_attributes
 def import_attributes2(element, props, callback=None):
-    for attribute in element.wrapped_data.declaration().as_entity().all_attributes():
-        import_attribute(attribute, props, element.get_info(), callback=callback)
+    if isinstance(element, str):
+        attributes = tool.Ifc.schema().declaration_by_name(element).as_entity().all_attributes()
+        info = {a.name(): None for a in attributes}
+        info["type"] = element
+    else:
+        attributes = element.wrapped_data.declaration().as_entity().all_attributes()
+        info = element.get_info()
+    for attribute in attributes:
+        import_attribute(attribute, props, info, callback=callback)


 def import_attribute(attribute, props, data, callback=None):
@@ -238,7 +245,9 @@ def get_obj_ifc_definition_id(context, obj, obj_type):
        ].ifc_definition_id
    elif obj_type == "WorkSchedule":
        return context.scene.BIMWorkScheduleProperties.active_work_schedule_id
-
+    elif obj_type == "Group":
+        prop = context.scene.BIMGroupProperties
+        return prop.groups[prop.active_group_index].ifc_definition_id

 # hack to close popup
 # https://blender.stackexchange.com/a/202576/130742
@@ -260,12 +269,7 @@ def convert_property_group_from_si(property_group, skip_props=()):
    for prop_name in property_group.bl_rna.properties.keys():
        if prop_name in skip_props:
            continue
-        prop_bl_rna = property_group.bl_rna.properties[prop_name]
-        if prop_bl_rna.array_length > 0:
-            prop_value = prop_bl_rna.default_array
-        else:
-            prop_value = prop_bl_rna.default
-
+        prop_value = tool.Blender.get_blender_prop_default_value(property_group, prop_name)
        if type(prop_value) is float:
            prop_value = prop_value * conversion_k
        elif type(prop_value) is bpy.types.bpy_prop_array:
@@ -273,6 +277,85 @@ def convert_property_group_from_si(property_group, skip_props=()):
        setattr(property_group, prop_name, prop_value)


+def draw_filter(layout, filter_groups, data, module):
+    if not data.is_loaded:
+        data.load()
+
+    sprops = bpy.context.scene.BIMSearchProperties
+
+    if tool.Ifc.get():
+        row = layout.row(align=True)
+        row.label(text=f"{len(data.data['saved_searches'])} Saved Searches")
+
+        if data.data["saved_searches"]:
+            row.operator("bim.load_search", text="", icon="IMPORT").module = module
+        row.operator("bim.save_search", text="", icon="EXPORT").module = module
+
+    row = layout.row(align=True)
+    row.operator("bim.add_filter_group", text="Add Search Group", icon="ADD").module = module
+    row.operator("bim.edit_filter_query", text="", icon="FILTER").module = module
+
+    for i, filter_group in enumerate(filter_groups):
+        box = layout.box()
+
+        row = box.row(align=True)
+        row.prop(sprops, "facet", text="")
+        op = row.operator("bim.add_filter", text="Add Filter", icon="ADD")
+        op.type = sprops.facet
+        op.index = i
+        op.module = module
+
+        for j, ifc_filter in enumerate(filter_group.filters):
+            if ifc_filter.type == "entity":
+                row = box.row(align=True)
+                row.prop(ifc_filter, "value", text="", icon="FILE_3D")
+            elif ifc_filter.type == "attribute":
+                row = box.row(align=True)
+                row.prop(ifc_filter, "name", text="", icon="COPY_ID")
+                row.prop(ifc_filter, "value", text="")
+            elif ifc_filter.type == "type":
+                row = box.row(align=True)
+                row.prop(ifc_filter, "value", text="", icon="FILE_VOLUME")
+            elif ifc_filter.type == "material":
+                row = box.row(align=True)
+                row.prop(ifc_filter, "value", text="", icon="MATERIAL")
+            elif ifc_filter.type == "property":
+                row = box.row(align=True)
+                row.prop(ifc_filter, "pset", text="", icon="PROPERTIES")
+                row.prop(ifc_filter, "name", text="")
+                row.prop(ifc_filter, "comparison", text="")
+                row.prop(ifc_filter, "value", text="")
+            elif ifc_filter.type == "classification":
+                row = box.row(align=True)
+                row.prop(ifc_filter, "value", text="", icon="OUTLINER")
+            elif ifc_filter.type == "location":
+                row = box.row(align=True)
+                row.prop(ifc_filter, "value", text="", icon="PACKAGE")
+            elif ifc_filter.type == "group":
+                row = box.row(align=True)
+                row.prop(ifc_filter, "value", text="", icon="OUTLINER_COLLECTION")
+            elif ifc_filter.type == "query":
+                row = box.row(align=True)
+                row.prop(ifc_filter, "name", text="", icon="POINTCLOUD_DATA")
+                row.prop(ifc_filter, "value", text="")
+            elif ifc_filter.type == "instance":
+                row = box.row(align=True)
+                row.prop(ifc_filter, "value", text="", icon="GRIP")
+                op = row.operator("bim.select_filter_elements", text="", icon="EYEDROPPER")
+                op.group_index = i
+                op.index = j
+                op.module = module
+            op = row.operator("bim.remove_filter", text="", icon="X")
+            op.group_index = i
+            op.index = j
+            op.module = module
+
+        row = box.row()
+        op = row.operator("bim.remove_filter_group", icon="X")
+        op.index = i
+        op.module = module
+
+
 # TODO this should move into ifcopenshell.util


@@ -26,6 +26,7 @@ import ifcopenshell
 import blenderbim.bim.handler
 import blenderbim.tool as tool
 from pathlib import Path
+from blenderbim.tool.brick import BrickStore


 class IfcStore:
@@ -43,9 +44,6 @@ class IfcStore:
    classification_file = None
    library_path = ""
    library_file = None
-    element_listeners = set()
-    undo_redo_stack_objects = set()
-    undo_redo_stack_object_names = {}
    current_transaction = ""
    last_transaction = ""
    history = []
@@ -82,8 +80,8 @@ class IfcStore:
            if IfcStore.path:
                try:
                    IfcStore.load_file(IfcStore.path)
-                except:
-                    pass
+                except Exception as e:
+                    print(f"Failed to load file {IfcStore.path}. Error details: {e}")
        return IfcStore.file

    @staticmethod
@@ -160,103 +158,17 @@ class IfcStore:
            return
        return obj

-    @staticmethod
-    def add_element_listener(callback):
-        IfcStore.element_listeners.add(callback)
-
-    @staticmethod
-    def track_undo_redo_stack_object_map():
-        """Keeps track of currently mapped object names, typically during undo and redo
-
-        When any Blender object is stored outside a Blender PointerProperty, such as
-        in a regular Python list, there is the likely probability that the object
-        will be invalidated when undo or redo occurs. Object invalidation seems to
-        occur whenever an object is affected during an operation.
-
-        For example, if an operator deletes a modifier on o1, then o1 will be invalidated.
-        """
-        for key, value in IfcStore.id_map.items():
-            try:
-                IfcStore.undo_redo_stack_object_names[key] = value.name
-            except:
-                continue
-
-    @staticmethod
-    def track_undo_redo_stack_selected_objects():
-        """Keeps track of selected object names, typically during undo and redo
-
-        When any Blender object is stored outside a Blender PointerProperty, such as
-        in a regular Python list, there is the likely probability that the object
-        will be invalidated when undo or redo occurs. Object invalidation seems to
-        occur for selected objects either pre/post undo/redo event, including
-        selected objects for consecutive undo/redos, and all children. This is
-        important because selected objects are often deleted from the scene.
-
-        So if I first select o1, then o2, then o3, then press undo, o3 will be
-        invalidated. If instead I press undo twice, o3 and o2 will be invalidated.
-        """
-        if bpy.context.active_object:
-            objects = set([o.name for o in bpy.context.selected_objects + [bpy.context.active_object]])
-            objects.update([o.name for o in bpy.context.active_object.children])
-        else:
-            objects = set([o.name for o in bpy.context.selected_objects])
-        for obj in bpy.context.selected_objects:
-            objects.update([o.name for o in obj.children])
-        IfcStore.undo_redo_stack_objects |= objects
-
-    @staticmethod
-    def reload_undo_redo_stack_objects():
-        """Reloads any invalidated objects after undo or redo
-
-        After an undo or redo operation, objects may have been invalidated in
-        our id_map and guid_map. Invalidated objects are typically those that
-        have been manipulated or deleted. This checks the cache of mapped and
-        selected objects prior to the operation and ensures that if the object
-        is invalidated, they are reloaded based on the object name that was
-        tracked prior to the undo / redo.
-        """
-        file = IfcStore.get_file()
-        if not file:
-            return
-
-        # First, reload objects that were selected or active
-        for name in IfcStore.undo_redo_stack_objects:
-            obj = bpy.data.objects.get(name)
-            if not obj:
-                continue
-            if not obj.BIMObjectProperties.ifc_definition_id:
-                continue
-            element = file.by_id(obj.BIMObjectProperties.ifc_definition_id)
-            data = {"id": element.id(), "obj": obj.name}
-            if hasattr(element, "GlobalId"):
-                data["guid"] = element.GlobalId
-            IfcStore.commit_link_element(data)
-
-        # Scan for any straggling invalidated objects which were indirectly affected and reload them too.
-        for key, value in IfcStore.id_map.items():
-            try:
-                value.name
-            except:
-                # TODO not so sure about this obj_name check
-                obj_name = IfcStore.undo_redo_stack_object_names.get(key, None)
-                if not obj_name:
-                    continue
-                obj = bpy.data.objects.get(obj_name)
-                if not obj or not obj.BIMObjectProperties.ifc_definition_id:
-                    continue
-                element = file.by_id(obj.BIMObjectProperties.ifc_definition_id)
-                data = {"id": element.id(), "obj": obj.name}
-                if hasattr(element, "GlobalId"):
-                    data["guid"] = element.GlobalId
-                IfcStore.commit_link_element(data)
-
    @staticmethod
    def relink_all_objects():
        if not IfcStore.get_file():
            return
        for obj in bpy.data.objects:
+            if obj.library:
+                continue
            IfcStore.relink_object(obj)
        for obj in bpy.data.materials:
+            if obj.library:
+                continue
            IfcStore.relink_object(obj)

    @staticmethod
@@ -282,6 +194,13 @@ class IfcStore:

    @staticmethod
    def link_element(element, obj):
+        # Please use tool.Ifc.link() instead of this method. We want to
+        # refactor this class and deprecate usage of IfcStore in favour of
+        # tools.
+        if not isinstance(obj, (bpy.types.Object, bpy.types.Material)):
+            obj.BIMMeshProperties.ifc_definition_id = element.id()
+            return
+
        existing_obj = IfcStore.id_map.get(element.id(), None)
        if existing_obj == obj:
            return
@@ -305,11 +224,9 @@ class IfcStore:
        if isinstance(obj, bpy.types.Material):
            blenderbim.bim.handler.subscribe_to(obj, "diffuse_color", blenderbim.bim.handler.color_callback)
        elif isinstance(obj, bpy.types.Object):
-            blenderbim.bim.handler.subscribe_to(obj, "mode", blenderbim.bim.handler.mode_callback)
-            blenderbim.bim.handler.subscribe_to(obj, "active_material_index", blenderbim.bim.handler.active_material_index_callback)
-
-        for listener in IfcStore.element_listeners:
-            listener(element, obj)
+            blenderbim.bim.handler.subscribe_to(
+                obj, "active_material_index", blenderbim.bim.handler.active_material_index_callback
+            )

        if IfcStore.history:
            data = {"id": element.id(), "guid": getattr(element, "GlobalId", None), "obj": obj.name}
@@ -331,10 +248,13 @@ class IfcStore:
        IfcStore.id_map[data["id"]] = obj
        if "guid" in data:
            IfcStore.guid_map[data["guid"]] = obj
-        blenderbim.bim.handler.subscribe_to(obj, "mode", blenderbim.bim.handler.mode_callback)
        blenderbim.bim.handler.subscribe_to(obj, "name", blenderbim.bim.handler.name_callback)
        if isinstance(obj, bpy.types.Material):
            blenderbim.bim.handler.subscribe_to(obj, "diffuse_color", blenderbim.bim.handler.color_callback)
+        elif isinstance(obj, bpy.types.Object):
+            blenderbim.bim.handler.subscribe_to(
+                obj, "active_material_index", blenderbim.bim.handler.active_material_index_callback
+            )
        # TODO Listeners are not re-registered. Does this cause nasty problems to debug later on?
        # TODO We're handling id_map and guid_map, but what about edited_objs? This might cause big problems.

@@ -400,24 +320,34 @@ class IfcStore:
            )

    @staticmethod
-    def execute_ifc_operator(operator, context):
+    def execute_ifc_operator(operator, context, is_invoke=False):
+        bpy.context.scene.BIMProperties.is_dirty = True
        is_top_level_operator = not bool(IfcStore.current_transaction)

        if is_top_level_operator:
            IfcStore.begin_transaction(operator)
-            IfcStore.get_file().begin_transaction()
+            if tool.Ifc.get():
+                tool.Ifc.get().begin_transaction()
+            if BrickStore.graph is not None:  # `if BrickStore.graph` by itself takes ages.
+                BrickStore.begin_transaction()
            # This empty transaction ensures that each operator has at least one transaction
            IfcStore.add_transaction_operation(operator, rollback=lambda data: True, commit=lambda data: True)
        else:
            operator.transaction_key = IfcStore.current_transaction

-        result = getattr(operator, "_execute")(context)
+        if is_invoke:
+            result = getattr(operator, "_invoke")(context, None)
+        else:
+            result = getattr(operator, "_execute")(context)

        if is_top_level_operator:
-            IfcStore.get_file().end_transaction()
-            IfcStore.add_transaction_operation(
-                operator, rollback=lambda d: IfcStore.get_file().undo(), commit=lambda d: IfcStore.get_file().redo()
-            )
+            if tool.Ifc.get():
+                tool.Ifc.get().end_transaction()
+                IfcStore.add_transaction_operation(
+                    operator, rollback=lambda d: tool.Ifc.get().undo(), commit=lambda d: tool.Ifc.get().redo()
+                )
+            if BrickStore.graph is not None:  # `if BrickStore.graph` by itself takes ages.
+                BrickStore.end_transaction()
            IfcStore.end_transaction(operator)
            blenderbim.bim.handler.refresh_ui_data()

@@ -425,8 +355,6 @@ class IfcStore:

    @staticmethod
    def begin_transaction(operator):
-        IfcStore.undo_redo_stack_objects = set()
-        IfcStore.undo_redo_stack_object_names = {}
        IfcStore.current_transaction = str(uuid.uuid4())
        operator.transaction_key = IfcStore.current_transaction

@@ -452,19 +380,35 @@ class IfcStore:
        IfcStore.future = []

    @staticmethod
-    def undo():
+    def undo(until_key=None):
+        BrickStore.undo()
        if not IfcStore.history:
            return
-        event = IfcStore.history.pop()
-        for transaction in event["operations"][::-1]:
-            transaction["rollback"](transaction["data"])
-        IfcStore.future.append(event)
+
+        while IfcStore.history:
+            if IfcStore.history[-1]["key"] == until_key:
+                return
+
+            event = IfcStore.history.pop()
+            for transaction in event["operations"][::-1]:
+                transaction["rollback"](transaction["data"])
+            IfcStore.future.append(event)

    @staticmethod
-    def redo():
+    def redo(until_key=None):
+        BrickStore.redo()
+
        if not IfcStore.future:
            return
-        event = IfcStore.future.pop()
-        for transaction in event["operations"]:
-            transaction["commit"](transaction["data"])
-        IfcStore.history.append(event)
+
+        has_encountered_key = False
+        while IfcStore.future:
+            if has_encountered_key and IfcStore.future[-1]["key"] != until_key:
+                return
+            elif IfcStore.future[-1]["key"] == until_key:
+                has_encountered_key = True
+
+            event = IfcStore.future.pop()
+            for transaction in event["operations"]:
+                transaction["commit"](transaction["data"])
+            IfcStore.history.append(event)
@@ -20,16 +20,19 @@ import bpy
 from . import ui, prop, operator

 classes = (
-    operator.BIM_OT_assign_object,
-    operator.BIM_OT_unassign_object,
-    operator.BIM_OT_enable_editing_aggregate,
-    operator.BIM_OT_disable_editing_aggregate,
    operator.BIM_OT_add_aggregate,
-    operator.BIM_OT_select_parts,
-    operator.BIM_OT_select_aggregate,
    operator.BIM_OT_add_part_to_object,
+    operator.BIM_OT_aggregate_assign_object,
+    operator.BIM_OT_disable_editing_aggregate,
+    operator.BIM_OT_enable_editing_aggregate,
+    operator.BIM_OT_select_aggregate,
+    operator.BIM_OT_select_parts,
+    operator.BIM_OT_aggregate_unassign_object,
+    operator.BIM_OT_break_link_to_other_aggregates,
+    operator.BIM_OT_select_linked_aggregates,
    prop.BIMObjectAggregateProperties,
    ui.BIM_PT_aggregate,
+    ui.BIM_PT_linked_aggregate,
 )


@@ -35,8 +35,9 @@ class AggregateData:
            "has_relating_object": cls.has_relating_object(),
            "relating_object_label": cls.get_relating_object_label(),
            "has_related_objects": cls.has_related_objects(),
-            "related_objects_amount": cls.get_related_objects_amount(),
+            "total_parts": cls.total_parts(),
            "ifc_class": cls.ifc_class(),
+            "total_linked_aggregate": cls.total_linked_aggregate(),
        }
        cls.is_loaded = True

@@ -59,7 +60,7 @@ class AggregateData:
        return ifcopenshell.util.element.get_parts(tool.Ifc.get_entity(bpy.context.active_object))

    @classmethod
-    def get_related_objects_amount(cls):
+    def total_parts(cls):
        parts = cls.get_related_objects()
        return len(parts) if parts else 0

@@ -72,3 +73,26 @@ class AggregateData:
        element = tool.Ifc.get_entity(bpy.context.active_object)
        if element:
            return element.is_a()
+
+    @classmethod
+    def total_linked_aggregate(cls):
+        element = tool.Ifc.get_entity(bpy.context.active_object)
+        aggregate = ifcopenshell.util.element.get_aggregate(element)
+        if not aggregate:
+            return []
+        if not element:
+            return []
+        
+        product_linked_agg_group = [
+            r
+            for r in getattr(aggregate, "HasAssignments", []) or []
+            if r.is_a("IfcRelAssignsToGroup")
+            if "BBIM_Linked_Aggregate" in r.RelatingGroup.Name
+        ]
+
+        if not product_linked_agg_group:
+            return []
+        
+        total = len(product_linked_agg_group[0].RelatedObjects)
+        return total
+        
@@ -33,11 +33,11 @@ class Operator:
        return {"FINISHED"}


-class BIM_OT_assign_object(bpy.types.Operator, Operator):
+class BIM_OT_aggregate_assign_object(bpy.types.Operator, Operator):
    """Create aggregation relationship between two ifc elements"""

-    bl_idname = "bim.assign_object"
-    bl_label = "Assign Object"
+    bl_idname = "bim.aggregate_assign_object"
+    bl_label = "Assign Object To Aggregation"
    bl_options = {"REGISTER", "UNDO"}
    relating_object: bpy.props.IntProperty()

@@ -67,11 +67,11 @@ class BIM_OT_assign_object(bpy.types.Operator, Operator):
                self.report({"ERROR"}, f" Cannot aggregate {obj.name} to {relating_obj.name}")


-class BIM_OT_unassign_object(bpy.types.Operator, Operator):
+class BIM_OT_aggregate_unassign_object(bpy.types.Operator, Operator):
    """Remove aggregation relationship between two ifc elements"""

-    bl_idname = "bim.unassign_object"
-    bl_label = "Unassign Object"
+    bl_idname = "bim.aggregate_unassign_object"
+    bl_label = "Unassign Object From Aggregation"
    bl_options = {"REGISTER", "UNDO"}

    def _execute(self, context):
@@ -89,6 +89,12 @@ class BIM_OT_unassign_object(bpy.types.Operator, Operator):
                relating_obj=tool.Ifc.get_object(aggregate),
                related_obj=tool.Ifc.get_object(element),
            )
+            
+            # Removes Pset related to Linked Aggregates
+            pset = ifcopenshell.util.element.get_pset(element, 'BBIM_Linked_Aggregate')
+            if pset:
+                pset = tool.Ifc.get().by_id(pset["id"])
+                ifcopenshell.api.run("pset.remove_pset", tool.Ifc.get(), pset=pset)


 class BIM_OT_enable_editing_aggregate(bpy.types.Operator, Operator):
@@ -164,6 +170,7 @@ class BIM_OT_add_aggregate(bpy.types.Operator, tool.Ifc.Operator):

    def create_aggregate(self, context, ifc_class):
        aggregate = bpy.data.objects.new("Assembly", None)
+        aggregate.location = context.scene.cursor.location
        bpy.ops.bim.assign_class(obj=aggregate.name, ifc_class=ifc_class)
        return aggregate

@@ -202,6 +209,7 @@ class BIM_OT_select_aggregate(bpy.types.Operator):
        aggregate_obj = tool.Ifc.get_object(aggregate)
        if aggregate_obj in context.selectable_objects:
            aggregate_obj.select_set(True)
+            bpy.context.view_layer.objects.active = aggregate_obj
        return {"FINISHED"}


@@ -228,3 +236,63 @@ class BIM_OT_add_part_to_object(bpy.types.Operator, Operator):
            part_class=self.part_class,
            part_name=self.part_name,
        )
+
+class BIM_OT_break_link_to_other_aggregates(bpy.types.Operator, Operator):
+    bl_idname = "bim.break_link_to_other_aggregates"
+    bl_label = "Break link to other aggregates"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def _execute(self, context):
+        element = tool.Ifc.get_entity(bpy.context.active_object)
+        aggregate = ifcopenshell.util.element.get_aggregate(element)
+        if not aggregate:
+            return []
+        if not element:
+            return []
+
+        parts = ifcopenshell.util.element.get_parts(aggregate)
+        
+        for part in parts:
+            pset = ifcopenshell.util.element.get_pset(part, 'BBIM_Linked_Aggregate')
+            pset = tool.Ifc.get().by_id(pset["id"])
+            ifcopenshell.api.run("pset.remove_pset", tool.Ifc.get(), pset=pset)
+        
+        linked_aggregate_group = [
+            r.RelatingGroup
+            for r in getattr(aggregate, "HasAssignments", []) or []
+            if r.is_a("IfcRelAssignsToGroup")
+            if "BBIM_Linked_Aggregate" in r.RelatingGroup.Name
+        ]
+        tool.Ifc.run("group.unassign_group", group=linked_aggregate_group[0], product=aggregate)
+        
+        return {"FINISHED"}
+
+class BIM_OT_select_linked_aggregates(bpy.types.Operator, Operator):
+    bl_idname = "bim.select_linked_aggregates"
+    bl_label = "Select linked aggregates"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def _execute(self, context):
+        element = tool.Ifc.get_entity(bpy.context.active_object)
+        aggregate = ifcopenshell.util.element.get_aggregate(element)
+        if not aggregate:
+            return []
+        if not element:
+            return []
+        
+        linked_aggregate_group = [
+            r.RelatingGroup
+            for r in getattr(aggregate, "HasAssignments", []) or []
+            if r.is_a("IfcRelAssignsToGroup")
+            if "BBIM_Linked_Aggregate" in r.RelatingGroup.Name
+        ]
+        
+        for obj in context.selected_objects:
+            obj.select_set(False)
+            
+        for rel in linked_aggregate_group[0].IsGroupedBy or []:
+            for element in rel.RelatedObjects:
+                obj = tool.Ifc.get_object(element)
+                obj.select_set(True)
+
+        return {"FINISHED"}
@@ -18,17 +18,18 @@

 from bpy.types import Panel
 from blenderbim.bim.module.aggregate.data import AggregateData
+from blenderbim.bim.module.group.data import GroupsData, ObjectGroupsData
 from blenderbim.bim.ifc import IfcStore


 class BIM_PT_aggregate(Panel):
-    bl_label = "IFC Aggregates"
+    bl_label = "Aggregates"
    bl_idname = "BIM_PT_aggregate"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "object"
-    bl_parent_id = "BIM_PT_object_metadata"
+    bl_parent_id = "BIM_PT_tab_object_metadata"

    @classmethod
    def poll(cls, context):
@@ -54,7 +55,7 @@ class BIM_PT_aggregate(Panel):
            row = layout.row(align=True)
            row.prop(props, "relating_object", text="")
            if props.relating_object:
-                op = row.operator("bim.assign_object", icon="CHECKMARK", text="")
+                op = row.operator("bim.aggregate_assign_object", icon="CHECKMARK", text="")
                op.relating_object = props.relating_object.BIMObjectProperties.ifc_definition_id
            row.operator("bim.disable_editing_aggregate", icon="CANCEL", text="")
        else:
@@ -65,15 +66,21 @@ class BIM_PT_aggregate(Panel):
                op.obj = context.active_object.name
                row.operator("bim.enable_editing_aggregate", icon="GREASEPENCIL", text="")
                row.operator("bim.add_aggregate", icon="ADD", text="")
-                op = row.operator("bim.unassign_object", icon="X", text="")
+                op = row.operator("bim.aggregate_unassign_object", icon="X", text="")
            else:
                row.label(text="No Aggregate", icon="TRIA_UP")
                row.operator("bim.enable_editing_aggregate", icon="GREASEPENCIL", text="")
                row.operator("bim.add_aggregate", icon="ADD", text="")

        row = layout.row(align=True)
-        parts = AggregateData.data["related_objects_amount"]
-        row.label(text=f"{parts or 'No'} Part{'s' if parts > 1 else ''}", icon="TRIA_DOWN")
+        total_parts = AggregateData.data["total_parts"]
+        if total_parts == 0:
+            row.label(text="No Parts", icon="TRIA_DOWN")
+        elif total_parts == 1:
+            row.label(text="1 Part", icon="TRIA_DOWN")
+        else:
+            row.label(text=f"{total_parts} Parts", icon="TRIA_DOWN")
+
        if AggregateData.data["has_related_objects"]:
            op = row.operator("bim.select_parts", icon="RESTRICT_SELECT_OFF", text="")
            op.obj = context.active_object.name
@@ -90,3 +97,49 @@ class BIM_PT_aggregate(Panel):
            op = layout.operator("bim.add_part_to_object", text="Add " + part_class.lstrip("Ifc"))
            op.part_class = part_class
            op.obj = context.active_object.name
+            
+            
+class BIM_PT_linked_aggregate(Panel):
+    bl_label = "Linked Aggregates"
+    bl_idname = "BIM_PT_linked_aggregate"
+    bl_options = {"DEFAULT_CLOSED"}
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "object"
+    bl_order = 2
+    bl_parent_id = "BIM_PT_aggregate"
+
+    @classmethod
+    def poll(cls, context):
+        if not context.active_object:
+            return False
+        props = context.active_object.BIMObjectProperties
+        if not props.ifc_definition_id:
+            return False
+        if not IfcStore.get_element(props.ifc_definition_id):
+            return False
+        if not IfcStore.get_file().by_id(props.ifc_definition_id).is_a("IfcObjectDefinition"):
+            return False
+        return True
+
+    def draw(self, context):
+        layout = self.layout
+        if not AggregateData.is_loaded:
+            AggregateData.load()
+
+        props = context.active_object.BIMObjectAggregateProperties
+        row = layout.row(align=True)
+        row.label(text="Advanced Users Only", icon="ERROR")
+        row = layout.row(align=True)
+        
+        if type(AggregateData.data['total_linked_aggregate']) is int:
+            if AggregateData.data['total_linked_aggregate'] > 0:
+                row.label(text=f"{AggregateData.data['total_linked_aggregate']} Linked Aggregates")
+                row.operator("bim.select_linked_aggregates", text="", icon="RESTRICT_SELECT_OFF")
+                row.operator("bim.refresh_linked_aggregate", text="", icon="FILE_REFRESH")
+                op = row.operator("bim.break_link_to_other_aggregates", text="", icon="X")
+        else:
+            row.label(text="No Linked Aggregates")
+            
+        
+
@@ -54,12 +54,12 @@ def draw_ui(context, layout, obj_type, attributes):


 class BIM_PT_object_attributes(Panel):
-    bl_label = "IFC Attributes"
+    bl_label = "Attributes"
    bl_idname = "BIM_PT_object_attributes"
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "object"
-    bl_parent_id = "BIM_PT_object_metadata"
+    bl_parent_id = "BIM_PT_tab_object_metadata"

    @classmethod
    def poll(cls, context):
@@ -76,7 +76,7 @@ class BIM_PT_object_attributes(Panel):


 class BIM_PT_material_attributes(Panel):
-    bl_label = "IFC Material Attributes"
+    bl_label = "Material Attributes"
    bl_idname = "BIM_PT_material_attributes"
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
@@ -26,7 +26,7 @@ class BIM_PT_augin(bpy.types.Panel):
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"
-    bl_parent_id = "BIM_PT_integrations"
+    bl_parent_id = "BIM_PT_tab_sandbox"

    def draw(self, context):
        layout = self.layout
@@ -57,6 +57,7 @@ classes = (
    operator.SelectBcfBimSnippetReference,
    operator.SelectBcfDocumentReference,
    operator.SelectBcfHeaderFile,
+    operator.UnloadBcfProject,
    operator.ViewBcfTopic,
    prop.BcfReferenceLink,
    prop.BcfLabel,
@@ -16,6 +16,8 @@
 # You should have received a copy of the GNU General Public License
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.

+import os
+import bpy
 import bcf
 import bcf.v2.bcfxml

@@ -23,12 +25,31 @@ import bcf.v2.bcfxml
 class BcfStore:
    bcfxml = None

-    @staticmethod
-    def get_bcfxml():
-        if not BcfStore.bcfxml:
-            BcfStore.bcfxml = bcf.v2.bcfxml.BcfXml()
-        return BcfStore.bcfxml
+    @classmethod
+    def get_bcfxml(cls):
+        if not cls.bcfxml:
+            bcf_filepath = bpy.context.scene.BCFProperties.bcf_file
+            if not os.path.isabs(bcf_filepath):
+                bcf_filepath = os.path.abspath(os.path.join(bpy.path.abspath("//"), bcf_filepath))
+            if bcf_filepath:
+                try:
+                    cls.bcfxml = bcf.bcfxml.load(bcf_filepath)
+                except:
+                    # there will be a plenty of "Permission denied" errors
+                    # as many poll() methods will try to access the bcfxml simultaneously
+                    # the first time it's loaded
+                    pass
+        return cls.bcfxml

    @classmethod
-    def set(cls, bcfxml):
+    def set(cls, bcfxml, filepath):
        cls.bcfxml = bcfxml
+        bpy.context.scene.BCFProperties.bcf_file = filepath
+
+    @classmethod
+    def set_by_filepath(cls, filepath):
+        cls.set(None, filepath)
+
+    @classmethod
+    def unload_bcfxml(cls):
+        cls.set(None, "")
@@ -42,11 +42,9 @@ class NewBcfProject(bpy.types.Operator):
    bl_options = {"REGISTER", "UNDO"}

    def execute(self, context):
-        context.scene.BCFProperties.is_loaded = False
        bcfxml = bcf.v2.bcfxml.BcfXml.create_new("New Project")
-        bcfstore.BcfStore.set(bcfxml)
+        bcfstore.BcfStore.set(bcfxml, "")
        bpy.ops.bim.load_bcf_project()
-        context.scene.BCFProperties.is_loaded = True
        return {"FINISHED"}


@@ -58,13 +56,11 @@ class LoadBcfProject(bpy.types.Operator):
    filter_glob: bpy.props.StringProperty(default="*.bcf;*.bcfzip", options={"HIDDEN"})

    def execute(self, context):
-        context.scene.BCFProperties.is_loaded = False
        if self.filepath:
-            bcfstore.BcfStore.bcfxml = bcf.bcfxml.load(self.filepath)
+            bcfstore.BcfStore.set_by_filepath(self.filepath)
        bcfxml = bcfstore.BcfStore.get_bcfxml()
        context.scene.BCFProperties.name = bcfxml.project.name
        bpy.ops.bim.load_bcf_topics()
-        context.scene.BCFProperties.is_loaded = True
        return {"FINISHED"}

    def invoke(self, context, event):
@@ -72,6 +68,16 @@ class LoadBcfProject(bpy.types.Operator):
        return {"RUNNING_MODAL"}


+class UnloadBcfProject(bpy.types.Operator):
+    bl_idname = "bim.unload_bcf_project"
+    bl_label = "Unload BCF Project"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        bcfstore.BcfStore.unload_bcfxml()
+        return {"FINISHED"}
+
+
 class LoadBcfTopics(bpy.types.Operator):
    bl_idname = "bim.load_bcf_topics"
    bl_label = "Load BCF Topics"
@@ -257,6 +263,7 @@ class SaveBcfProject(bpy.types.Operator):
    def execute(self, context):
        bcfxml = bcfstore.BcfStore.get_bcfxml()
        bcfxml.save(self.filepath)
+        bcfstore.BcfStore.set(bcfxml, self.filepath)
        return {"FINISHED"}

    def invoke(self, context, event):
@@ -954,7 +961,8 @@ class ActivateBcfViewpoint(bpy.types.Operator):
                context_override = {}
                context_override["object"] = context_override["active_object"] = objs[0]
                context_override["selected_objects"] = context_override["selected_editable_objects"] = objs
-                bpy.ops.object.hide_view_set(context_override, unselected=True)
+                with context.temp_override(**context_override):
+                    bpy.ops.object.hide_view_set(unselected=True)
                context.area.type = old

        if viewpoint.visualization_info.components.view_setup_hints:
@@ -968,14 +976,16 @@ class ActivateBcfViewpoint(bpy.types.Operator):
            self.hide_spaces(context)
            self.set_openings_visibility(False, context)

+        # set selection at the end not to conflict with .hide_spaces
        self.set_selection(viewpoint)
        self.set_colours(viewpoint)

    def hide_spaces(self, context):
        old = context.area.type
        context.area.type = "VIEW_3D"
+        bpy.ops.object.select_all(action="DESELECT")
        bpy.ops.object.select_pattern(pattern="IfcSpace/*")
-        bpy.ops.object.hide_view_set({})
+        bpy.ops.object.hide_view_set()
        context.area.type = old

    def set_openings_visibility(self, is_visible, context):
@@ -41,37 +41,37 @@ def purge():


 def updateBcfReferenceLink(self, context):
-    if context.scene.BCFProperties.is_loaded:
+    if bcfstore.BcfStore.get_bcfxml():
        bpy.ops.bim.edit_bcf_reference_links()


 def updateBcfLabel(self, context):
-    if context.scene.BCFProperties.is_loaded:
+    if bcfstore.BcfStore.get_bcfxml():
        bpy.ops.bim.edit_bcf_labels()


 def updateBcfProjectName(self, context):
-    if self.is_loaded:
+    if bcfstore.BcfStore.get_bcfxml():
        bpy.ops.bim.edit_bcf_project_name()


 def updateBcfAuthor(self, context):
-    if self.is_loaded:
+    if bcfstore.BcfStore.get_bcfxml():
        bpy.ops.bim.edit_bcf_author()


 def updateBcfTopicName(self, context):
-    if context.scene.BCFProperties.is_loaded:
+    if bcfstore.BcfStore.get_bcfxml():
        bpy.ops.bim.edit_bcf_topic_name()


 def updateBcfTopicIsEditable(self, context):
-    if context.scene.BCFProperties.is_loaded and not self.is_editable:
+    if bcfstore.BcfStore.get_bcfxml() and not self.is_editable:
        bpy.ops.bim.edit_bcf_topic()


 def updateBcfCommentIsEditable(self, context):
-    if context.scene.BCFProperties.is_loaded and not self.is_editable:
+    if bcfstore.BcfStore.get_bcfxml() and not self.is_editable:
        bpy.ops.bim.edit_bcf_comment(comment_guid=self.name)


@@ -151,7 +151,7 @@ class BcfTopic(PropertyGroup):


 class BCFProperties(PropertyGroup):
-    is_loaded: BoolProperty(name="Is Loaded", default=False)
+    bcf_file: StringProperty(name="BCF File")
    comment_text_width: IntProperty(name="Comment Text Width", default=40)
    name: StringProperty(default="", name="Project Name", update=updateBcfProjectName)
    author: StringProperty(default="john@doe.com", name="Author Email", update=updateBcfAuthor)
@@ -29,7 +29,7 @@ class BIM_PT_bcf(Panel):
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"
-    bl_parent_id = "BIM_PT_collaboration"
+    bl_parent_id = "BIM_PT_tab_collaboration"

    def draw(self, context):
        layout = self.layout
@@ -39,14 +39,15 @@ class BIM_PT_bcf(Panel):
        scene = context.scene
        props = scene.BCFProperties

-        row = layout.row(align=True)
-        row.operator("bim.new_bcf_project", text="New Project")
-        row.operator("bim.load_bcf_project", text="Load Project")
-
-        if not props.is_loaded:
+        if not bcfstore.BcfStore.get_bcfxml():
+            row = layout.row(align=True)
+            row.operator("bim.new_bcf_project", text="New Project")
+            row.operator("bim.load_bcf_project", text="Load Project")
            return

-        row.operator("bim.save_bcf_project", text="Save Project")
+        row = layout.row(align=True)
+        row.operator("bim.save_bcf_project", icon="EXPORT", text="Save Project")
+        row.operator("bim.unload_bcf_project", text="", icon="CANCEL")

        row = layout.row()
        row.prop(props, "name")
@@ -27,7 +27,7 @@ class BIM_PT_qa(Panel):
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"
-    bl_parent_id = "BIM_PT_quality_control"
+    bl_parent_id = "BIM_PT_tab_quality_control"

    def draw(self, context):
        self.layout.use_property_split = True
@@ -62,14 +62,14 @@ class BoundaryDecorator:
        gpu.state.point_size_set(6)
        gpu.state.blend_set("ALPHA")

-        self.line_shader = gpu.shader.from_builtin("3D_POLYLINE_UNIFORM_COLOR")
+        self.line_shader = gpu.shader.from_builtin("POLYLINE_UNIFORM_COLOR")
        self.line_shader.bind()  # required to be able to change uniforms of the shader
        # POLYLINE_UNIFORM_COLOR specific uniforms
        self.line_shader.uniform_float("viewportSize", (context.region.width, context.region.height))
        self.line_shader.uniform_float("lineWidth", 2.0)

        # general shader
-        self.shader = gpu.shader.from_builtin("3D_UNIFORM_COLOR")
+        self.shader = gpu.shader.from_builtin("UNIFORM_COLOR")

        selected_vertices = []
        selected_edges = []
@@ -22,6 +22,7 @@ import logging
 import shapely
 import mathutils
 import numpy as np
+import multiprocessing
 import ifcopenshell.api
 import ifcopenshell.util.unit
 import ifcopenshell.util.shape
@@ -30,7 +31,7 @@ import ifcopenshell.util.placement
 import ifcopenshell.util.representation
 import blenderbim.tool as tool
 import blenderbim.bim.import_ifc as import_ifc
-from math import pi, inf
+from math import pi, inf, degrees, acos, radians
 from mathutils import Vector, Matrix
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.module.model.decorator import ProfileDecorator
@@ -63,7 +64,8 @@ def disable_editing_boundary_geometry(context):


 class Loader:
-    def __init__(self):
+    def __init__(self, operator=None):
+        self.operator = operator
        self.ifc_file = None
        self.logger = None
        self.ifc_importer = None
@@ -85,14 +87,33 @@ class Loader:
            tool.Loader.link_mesh(shape, mesh)
        except RuntimeError:
            # Fallback solution for invalid geometry provided by Revit. (InnerBoundaries cuting OuterBoundary)
-            print(f"Failed to create mesh from IfcRelSpaceBoundary with ID {boundary.id()}. Geometry might be invalid")
-            shape = ifcopenshell.geom.create_shape(self.fallback_settings, surface.OuterBoundary)
+            self.operator.report(
+                {"WARNING"},
+                (
+                    f"IfcRelSpaceBoundary {boundary.id()} mesh creation failed. Geometry might be invalid. Using fallback solution"
+                ),
+            )
+            try:
+                shape = ifcopenshell.geom.create_shape(self.fallback_settings, surface.OuterBoundary)
+            except RuntimeError:
+                self.operator.report(
+                    {"WARNING"},
+                    f"Skipping IfcRelSpaceBoundary {boundary.id()}. Fallback solution failed. Geometry might be invalid",
+                )
+                return None
            mesh = bpy.data.meshes.new(str(surface.id()))
            bm = bmesh.new()
            verts = [bm.verts.new(shape.verts[i : i + 3]) for i in range(0, len(shape.verts), 3)]
            bm.faces.new(verts)
            for inner_boundary in surface.InnerBoundaries:
-                shape = ifcopenshell.geom.create_shape(self.fallback_settings, inner_boundary)
+                try:
+                    shape = ifcopenshell.geom.create_shape(self.fallback_settings, inner_boundary)
+                except RuntimeError:
+                    self.operator.report(
+                        {"WARNING"},
+                        f"Skipping an inner boundary for IfcRelSpaceBoundary with ID {boundary.id()}. Geometry might be invalid",
+                    )
+                    return None
                verts = [bm.verts.new(shape.verts[i : i + 3]) for i in range(0, len(shape.verts), 3)]
                for i in range(len(verts) - 1):
                    bm.edges.new(verts[i : i + 2])
@@ -104,9 +125,7 @@ class Loader:
            matrix = mathutils.Matrix(
                ifcopenshell.util.placement.get_axis2placement(surface.BasisSurface.Position).tolist()
            )
-            matrix[0][3] *= unit_scale
-            matrix[1][3] *= unit_scale
-            matrix[2][3] *= unit_scale
+            matrix.translation *= unit_scale
            mesh.transform(matrix)
        return mesh

@@ -128,7 +147,15 @@ class Loader:
        self.ifc_importer = import_ifc.IfcImporter(ifc_import_settings)
        self.ifc_importer.file = self.ifc_file

-    def load_boundary(self, boundary, blender_space):
+    def load_boundary(self, boundary, blender_space=None):
+        if not blender_space:
+            if not boundary.RelatingSpace:
+                self.operator.report(
+                    {"WARNING"},
+                    f"Skipping IfcRelSpaceBoundary {boundary.id()} which have no relating space. Invalid boundary.",
+                )
+                return
+            blender_space = tool.Ifc.get_object(boundary.RelatingSpace)
        obj = tool.Ifc.get_object(boundary)
        if obj:
            return obj
@@ -147,9 +174,9 @@ class LoadProjectSpaceBoundaries(bpy.types.Operator):
    bl_options = {"REGISTER", "UNDO"}

    def execute(self, context):
-        loader = Loader()
+        loader = Loader(self)
        for rel in tool.Ifc.get().by_type("IfcRelSpaceBoundary"):
-            loader.load_boundary(rel, tool.Ifc.get_object(rel.RelatingSpace))
+            loader.load_boundary(rel)
        return {"FINISHED"}


@@ -160,7 +187,7 @@ class LoadBoundary(bpy.types.Operator):
    boundary_id: bpy.props.IntProperty()

    def execute(self, context):
-        loader = Loader()
+        loader = Loader(self)
        for obj in context.visible_objects:
            obj.select_set(False)
        obj = loader.load_boundary(tool.Ifc.get().by_id(self.boundary_id), context.active_object)
@@ -175,7 +202,7 @@ class LoadSpaceBoundaries(bpy.types.Operator):
    bl_options = {"REGISTER", "UNDO"}

    def execute(self, context):
-        loader = Loader()
+        loader = Loader(self)
        element = tool.Ifc.get_entity(context.active_object)
        for rel in element.BoundedBy or []:
            loader.load_boundary(rel, context.active_object)
@@ -423,7 +450,7 @@ class EnableEditingBoundaryGeometry(bpy.types.Operator, tool.Ifc.Operator):
        bpy.ops.object.mode_set(mode="EDIT")
        ProfileDecorator.install(context, exit_edit_mode_callback=lambda: disable_editing_boundary_geometry(context))
        if not bpy.app.background:
-            bpy.ops.wm.tool_set_by_id(tool.Blender.get_viewport_context(), name="bim.cad_tool")
+            tool.Blender.set_viewport_tool("bim.cad_tool")
        return {"FINISHED"}


@@ -461,7 +488,7 @@ class EditBoundaryGeometry(bpy.types.Operator, tool.Ifc.Operator):
            ifcopenshell.util.element.remove_deep2(tool.Ifc.get(), old_surface)

            old_mesh = obj.data
-            loader = Loader()
+            loader = Loader(self)
            obj.data = loader.create_mesh(element)
            tool.Geometry.delete_data(old_mesh)

@@ -486,7 +513,7 @@ class ShowBoundaries(bpy.types.Operator, tool.Ifc.Operator):

    def _execute(self, context):
        props = bpy.context.scene.BIMBoundaryProperties
-        loader = Loader()
+        loader = Loader(self)
        for obj in context.selected_objects:
            element = tool.Ifc.get_entity(obj)
            if not element or not getattr(element, "BoundedBy", None):
@@ -540,6 +567,7 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
        related_building_element = None
        relating_space_obj = None
        related_building_element_obj = None
+        parent_boundaries = []

        objs = context.selected_objects
        if len(objs) == 2:
@@ -554,8 +582,19 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
                else:
                    related_building_element = element
                    related_building_element_obj = obj
+            parent_boundary = self.create_element_boundary(
+                context, relating_space, relating_space_obj, related_building_element, related_building_element_obj
+            )
+            if parent_boundary:
+                parent_boundaries.append(parent_boundary)
+        elif len(objs) == 1:
+            # New prototype, old code not yet removed. Still testing.
+            space = tool.Ifc.get_entity(objs[0])
+            if space.is_a("IfcSpace"):
+                self.auto_generate_boundaries(space, objs[0])
        elif len(objs) == 1:
            # Optionally the user may select just the space, and the building element shall be auto-detected
+            # TODO : refactor to be able to generate all boundaries for selected space automatically or with an option

            def msg(self, context):
                self.layout.label(text="NO ACTIVE STOREY")
@@ -565,8 +604,6 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
                relating_space = element
                relating_space_obj = objs[0]

-            target = bpy.context.scene.cursor.location
-
            collection = context.view_layer.active_layer_collection.collection
            collection_obj = bpy.data.objects.get(collection.name)
            if not collection_obj:
@@ -578,19 +615,258 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
                return

            for subelement in ifcopenshell.util.element.get_decomposition(spatial_element):
-                if not (subelement.is_a("IfcWall") or subelement.is_a("IfcSlab")):
+                if not (
+                    subelement.is_a("IfcWall") or subelement.is_a("IfcSlab") or subelement.is_a("IfcVirtualElement")
+                ):
                    continue
                obj = tool.Ifc.get_object(subelement)
                if obj:
-                    raycast = obj.closest_point_on_mesh(obj.matrix_world.inverted() @ target, distance=0.1)
-                    if raycast[0]:
-                        related_building_element = subelement
-                        related_building_element_obj = obj
-                        break
+                    related_building_element = subelement
+                    related_building_element_obj = obj
+                    parent_boundary = self.create_element_boundary(
+                        context,
+                        relating_space,
+                        relating_space_obj,
+                        related_building_element,
+                        related_building_element_obj,
+                    )
+                    if parent_boundary:
+                        parent_boundaries.append(parent_boundary)

+        bpy.ops.bim.show_boundaries()
+        for parent_boundary in parent_boundaries:
+            obj = tool.Ifc.get_object(parent_boundary)
+            obj.select_set(True)
+
+    def auto_generate_boundaries(self, space, space_obj):
+        # Identify all potential building elements
+        # TODO: don't select everything, use AABB culling in Blender
+        building_elements = (
+            tool.Ifc.get().by_type("IfcWall")
+            + tool.Ifc.get().by_type("IfcSlab")
+            + tool.Ifc.get().by_type("IfcVirtualElement")
+        )
+
+        # Don't generate boundaries of building elements that we've already got bounaries for.
+        for boundary in space.BoundedBy:
+            if boundary.RelatedBuildingElement in building_elements:
+                building_elements.remove(boundary.RelatedBuildingElement)
+
+        # Create tree of gross shapes of all potential related building elements
+        include = building_elements + [space]
+        tree = ifcopenshell.geom.tree()
+        shapes = {}
+        settings = ifcopenshell.geom.settings()
+        settings.set(settings.STRICT_TOLERANCE, True)
+        settings.set(settings.DISABLE_OPENING_SUBTRACTIONS, True)
+        iterator = ifcopenshell.geom.iterator(settings, tool.Ifc.get(), multiprocessing.cpu_count(), include=include)
+        if iterator.initialize():
+            while True:
+                tree.add_element(iterator.get_native())
+                shape = iterator.get()
+                shapes[shape.id] = shape
+                if not iterator.next():
+                    break
+
+        # Spatially query all potential boundary elements via a 100mm extension of the space
+        building_elements = [e for e in tree.select(space, extend=0.1) if e != space]
+
+        if not building_elements:
+            return
+
+        # Create a dissolved bmesh for the space
+        space_bm = bmesh.new()
+        space_bm.from_mesh(space_obj.data)
+        bmesh.ops.dissolve_limit(space_bm, angle_limit=pi * 2 / 360, verts=space_bm.verts, edges=space_bm.edges)
+
+        # Create dissolved bmeshes for all boundary elements
+        building_element_bms = {}
+        for building_element in building_elements:
+            bm = bmesh.new()
+            shape = shapes[building_element.id()]
+
+            verts = ifcopenshell.util.shape.get_vertices(shape.geometry)
+            for vert in verts:
+                bm.verts.new(Vector(vert))
+            bm.verts.ensure_lookup_table()
+
+            faces = ifcopenshell.util.shape.get_faces(shape.geometry)
+            for face in faces:
+                bm.faces.new([bm.verts[i] for i in face])
+            bm.verts.ensure_lookup_table()
+            bm.faces.ensure_lookup_table()
+            bm.normal_update()  # Needed so that dissolve_limit will work.
+            bmesh.ops.dissolve_limit(bm, angle_limit=radians(1), verts=bm.verts[:], edges=bm.edges[:])
+            bm.verts.ensure_lookup_table()
+            bm.faces.ensure_lookup_table()
+            building_element_bms[building_element.id()] = bm
+
+        # Compare space faces and building element faces to see if they relate to one another
+        for space_face in space_bm.faces:
+            space_face_normal = space_obj.matrix_world.to_3x3() @ space_face.normal
+            space_face_vert = space_obj.matrix_world @ space_face.verts[0].co
+            for building_element in building_elements:
+                for face in building_element_bms[building_element.id()].faces:
+                    building_obj = tool.Ifc.get_object(building_element)
+                    face_normal = building_obj.matrix_world.to_3x3() @ face.normal
+                    angle = degrees(acos(max(min(space_face_normal.dot(face_normal), 1), -1)))
+                    if tool.Cad.is_x(angle, 180, tolerance=2):
+                        pass  # Faces need to be parallel and have opposite normals to be related.
+                    elif building_element.is_a("IfcVirtualElement") and tool.Cad.is_x(angle, 0, tolerance=2):
+                        pass  # Virtual elements only need to be parallel to be related, since they are planes.
+                    else:
+                        continue
+
+                    # Both faces should be close to one another. Say within 50mm.
+                    space_vert = building_obj.matrix_world.inverted() @ space_face_vert
+                    dist = mathutils.geometry.distance_point_to_plane(space_vert, face.verts[0].co, face.normal)
+                    if abs(dist) > 0.05:
+                        continue
+
+                    # Project the building element face onto the space face
+                    space_face_verts = [v.co.copy() for v in space_face.verts]
+                    space_face_matrix = self.get_face_matrix(*[v.copy() for v in space_face_verts[0:3]])
+                    space_face_matrix_i = space_face_matrix.inverted()
+
+                    space_face_polygon = shapely.Polygon(
+                        [tuple((space_face_matrix_i @ v).xy) for v in space_face_verts]
+                    )
+
+                    space_matrix_world_i = space_obj.matrix_world.inverted()
+                    face_verts = [space_matrix_world_i @ building_obj.matrix_world @ v.co.copy() for v in face.verts]
+                    face_polygon = shapely.Polygon([tuple((space_face_matrix_i @ v).xy) for v in face_verts])
+
+                    gross_boundary_polygon = space_face_polygon.intersection(face_polygon)
+
+                    if type(gross_boundary_polygon) == shapely.GeometryCollection:
+                        for geom in gross_boundary_polygon.geoms:
+                            if type(geom) == shapely.Polygon:
+                                gross_boundary_polygon = geom
+                                break
+
+                    if (
+                        not (isinstance(gross_boundary_polygon, shapely.Polygon) and gross_boundary_polygon.is_valid)
+                        or gross_boundary_polygon.is_empty
+                    ):
+                        continue
+
+                    # The gross boundary polygon may not be a true gross boundary since it
+                    # may have openings already removed, such as in IFC4 Reference View. So
+                    # we cheat by using the exterior boundary to mean "gross".
+                    exterior_boundary_polygon = shapely.Polygon(gross_boundary_polygon.exterior.coords)
+
+                    parent_boundary = tool.Ifc.run(
+                        "root.create_entity", ifc_class=bpy.context.scene.BIMModelProperties.boundary_class
+                    )
+                    if building_element.is_a("IfcVirtualElement"):
+                        parent_boundary.PhysicalOrVirtualBoundary = "VIRTUAL"
+                    else:
+                        parent_boundary.PhysicalOrVirtualBoundary = "PHYSICAL"
+                    parent_boundary.InternalOrExternalBoundary = "NOTDEFINED"
+                    if building_element.is_a("IfcWall"):
+                        is_external = ifcopenshell.util.element.get_pset(
+                            building_element, "Pset_WallCommon", "IsExternal"
+                        )
+                        if is_external is True:
+                            parent_boundary.InternalOrExternalBoundary = "EXTERNAL"
+                        elif is_external is False:
+                            parent_boundary.InternalOrExternalBoundary = "INTERNAL"
+                    elif building_element.is_a("IfcSlab"):
+                        predefined_type = ifcopenshell.util.element.get_predefined_type(building_element)
+                        if predefined_type == "BASESLAB":
+                            parent_boundary.InternalOrExternalBoundary = "EXTERNAL_EARTH"
+                        else:
+                            is_external = ifcopenshell.util.element.get_pset(
+                                building_element, "Pset_SlabCommon", "IsExternal"
+                            )
+                            if is_external is True:
+                                parent_boundary.InternalOrExternalBoundary = "EXTERNAL"
+                            elif is_external is False:
+                                parent_boundary.InternalOrExternalBoundary = "INTERNAL"
+                    parent_boundary.RelatingSpace = space
+                    parent_boundary.RelatedBuildingElement = building_element
+                    parent_boundary.ConnectionGeometry = self.create_connection_geometry_from_polygon(
+                        exterior_boundary_polygon, space_face_matrix
+                    )
+                    self.set_boundary_name(parent_boundary)
+
+                    for rel in getattr(building_element, "HasOpenings", []):
+                        opening = rel.RelatedOpeningElement
+                        filling = opening.HasFillings[0].RelatedBuildingElement if opening.HasFillings else None
+
+                        # Create shape of opening as a dissolved BMesh
+                        settings = ifcopenshell.geom.settings()
+                        settings.set(settings.STRICT_TOLERANCE, True)
+                        shape = ifcopenshell.geom.create_shape(settings, opening)
+                        m = shape.transformation.matrix.data
+                        mat = Matrix(
+                            (
+                                [m[0], m[3], m[6], m[9]],
+                                [m[1], m[4], m[7], m[10]],
+                                [m[2], m[5], m[8], m[11]],
+                                [0, 0, 0, 1],
+                            )
+                        )
+                        opening_bm = bmesh.new()
+                        verts = ifcopenshell.util.shape.get_vertices(shape.geometry)
+                        for vert in verts:
+                            opening_bm.verts.new(Vector(vert))
+                        opening_bm.verts.ensure_lookup_table()
+                        faces = ifcopenshell.util.shape.get_faces(shape.geometry)
+                        for face in faces:
+                            opening_bm.faces.new([opening_bm.verts[i] for i in face])
+                        opening_bm.verts.ensure_lookup_table()
+                        opening_bm.faces.ensure_lookup_table()
+                        opening_bm.normal_update()  # Needed so that dissolve_limit will work.
+                        bmesh.ops.dissolve_limit(
+                            opening_bm, angle_limit=radians(1), verts=opening_bm.verts[:], edges=opening_bm.edges[:]
+                        )
+                        opening_bm.verts.ensure_lookup_table()
+                        opening_bm.faces.ensure_lookup_table()
+
+                        # Get relevant faces of BMesh that can turn into boundaries
+                        opening_polygons = []
+                        for opening_face in opening_bm.faces:
+                            opening_face_normal = mat.to_3x3() @ opening_face.normal
+                            angle = degrees(acos(max(min(opening_face_normal.dot(face_normal), 1), -1)))
+                            if not tool.Cad.is_x(angle, 180, tolerance=2):
+                                continue  # Any non-parallel faces are not relevant
+                            opening_face_verts = [space_matrix_world_i @ mat @ v.co.copy() for v in opening_face.verts]
+                            polygon = shapely.Polygon([tuple((space_face_matrix_i @ v).xy) for v in opening_face_verts])
+                            opening_polygons.append(polygon)
+
+                        # Merge them all into a single opening polygon for our boundary
+                        opening_polygon = shapely.ops.unary_union(opening_polygons)
+
+                        # Only openings that are projected onto our exterior boundary are relevant.
+                        if opening_polygon.intersection(exterior_boundary_polygon).area == 0:
+                            continue
+
+                        boundary = tool.Ifc.run(
+                            "root.create_entity", ifc_class=bpy.context.scene.BIMModelProperties.boundary_class
+                        )
+                        boundary.RelatingSpace = space
+                        boundary.RelatedBuildingElement = filling or opening
+                        boundary.ConnectionGeometry = self.create_connection_geometry_from_polygon(
+                            opening_polygon, space_face_matrix
+                        )
+                        if filling:
+                            boundary.PhysicalOrVirtualBoundary = "PHYSICAL"
+                        else:
+                            boundary.PhysicalOrVirtualBoundary = "VIRTUAL"
+                        boundary.InternalOrExternalBoundary = parent_boundary.InternalOrExternalBoundary
+                        if boundary.is_a() != "IfcRelSpaceBoundary":
+                            boundary.ParentBoundary = parent_boundary
+                        self.set_boundary_name(boundary)
+
+    def create_element_boundary(
+        self, context, relating_space, relating_space_obj, related_building_element, related_building_element_obj
+    ):
        if not relating_space or not related_building_element:
            return

+        # Find which face on space should be bounded to related building element
+        # TODO: Handle round wall where multiple faces need to be bound to the same related building element
        bm = bmesh.new()
        bm.from_mesh(relating_space_obj.data)
        bmesh.ops.dissolve_limit(bm, angle_limit=pi * 2 / 360, verts=bm.verts, edges=bm.edges)
@@ -611,8 +887,6 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
        if not target_face:
            return

-        parent_boundary = tool.Ifc.run("root.create_entity", ifc_class=context.scene.BIMModelProperties.boundary_class)
-
        # Is this right? Or should I use loop?
        target_face_verts = [v.co.copy() for v in target_face.verts]
        target_face_matrix = self.get_face_matrix(*[v.copy() for v in target_face_verts[0:3]])
@@ -632,6 +906,18 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
                    gross_boundary_polygon = geom
                    break

+        if (
+            not (isinstance(gross_boundary_polygon, shapely.Polygon) and gross_boundary_polygon.is_valid)
+            or gross_boundary_polygon.is_empty
+        ):
+            return
+
+        parent_boundary = tool.Ifc.run("root.create_entity", ifc_class=context.scene.BIMModelProperties.boundary_class)
+        parent_boundary.PhysicalOrVirtualBoundary = "PHYSICAL"
+        # Set to EXTERNAL by default and turn later to internal if there is a corresponding boundary relating to an
+        # internal space
+        parent_boundary.InternalOrExternalBoundary = "EXTERNAL"
+
        # The gross boundary polygon may not be a true gross boundary since it
        # may have openings already removed, such as in IFC4 Reference View. So
        # we cheat by using the exterior boundary to mean "gross". Later, we
@@ -639,19 +925,25 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
        # space.
        exterior_boundary_polygon = shapely.Polygon(gross_boundary_polygon.exterior.coords)

-        net_boundary_polygon = shapely.Polygon(gross_boundary_polygon)
-
        inner_boundaries = []

        for rel in getattr(related_building_element, "HasOpenings", []):
            opening = rel.RelatedOpeningElement
-            filling = None
-            if opening.HasFillings:
-                filling = opening.HasFillings[0].RelatedBuildingElement
+            if not opening.HasFillings:
+                continue
+            # TODO: HasFilling is a zero to many relationship. How to handle many ?
+            filling = opening.HasFillings[0].RelatedBuildingElement

            opening_polygon = self.get_flattened_polygon(opening, relating_space_obj, target_face_matrix_i)

-            net_boundary_polygon = net_boundary_polygon.difference(opening_polygon)
+            # An inner boundary is supposed to overlap its parent boundary according to IFC4 documentation
+            # so we extend our exterior boundary with all opening which has a filling
+            # Also see Implementation aggreement SB 1.1 for IFC 2x3 TC1 Space Boundary Addon View
+            # https://standards.buildingsmart.org/MVD/RELEASE/IFC2x3/TC1/SB1_1/IFC%20Space%20Boundary%20Implementation%20Agreement%20Addendum%202010-03-22.pdf
+            unionised_object = exterior_boundary_polygon.union(opening_polygon)
+            if isinstance(unionised_object, shapely.Polygon):
+                exterior_boundary_polygon = unionised_object
+
            # Only openings that are projected onto our exterior boundary are relevant.
            if opening_polygon.intersection(exterior_boundary_polygon).area == 0:
                continue
@@ -659,24 +951,25 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
            connection_geometry = self.create_connection_geometry_from_polygon(opening_polygon, target_face_matrix)
            boundary = tool.Ifc.run("root.create_entity", ifc_class=context.scene.BIMModelProperties.boundary_class)
            boundary.RelatingSpace = relating_space
-            boundary.RelatedBuildingElement = filling or related_building_element
+            boundary.RelatedBuildingElement = filling
            boundary.ConnectionGeometry = connection_geometry
-            boundary.PhysicalOrVirtualBoundary = "PHYSICAL" if filling else "VIRTUAL"
-            boundary.InternalOrExternalBoundary = "INTERNAL"
-
+            if related_building_element.is_a("IfcVirtualElement"):
+                boundary.PhysicalOrVirtualBoundary = "VIRTUAL"
+            else:
+                boundary.PhysicalOrVirtualBoundary = "PHYSICAL"
+            boundary.InternalOrExternalBoundary = parent_boundary.InternalOrExternalBoundary
+            self.set_boundary_name(boundary)
            if boundary.is_a("IfcRelSpaceBoundary2ndLevel"):
                boundary.ParentBoundary = parent_boundary

-        connection_geometry = self.create_connection_geometry_from_polygon(net_boundary_polygon, target_face_matrix)
+        connection_geometry = self.create_connection_geometry_from_polygon(
+            exterior_boundary_polygon, target_face_matrix
+        )
        parent_boundary.RelatingSpace = relating_space
        parent_boundary.RelatedBuildingElement = related_building_element
        parent_boundary.ConnectionGeometry = connection_geometry
-        parent_boundary.PhysicalOrVirtualBoundary = "PHYSICAL"
-        parent_boundary.InternalOrExternalBoundary = "INTERNAL"
-
-        bpy.ops.bim.show_boundaries()
-        obj = tool.Ifc.get_object(parent_boundary)
-        obj.select_set(True)
+        self.set_boundary_name(parent_boundary)
+        return parent_boundary

    def get_face_matrix(self, p1, p2, p3):
        edge1 = p2 - p1
@@ -691,7 +984,7 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
        mat.col[0][:3] = x_axis
        mat.col[1][:3] = y_axis
        mat.col[2][:3] = z_axis
-        mat.col[3][:3] = p1
+        mat.translation = p1

        return mat

@@ -725,17 +1018,19 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
    def export_surface(self, polygon, target_face_matrix):
        x_axis = target_face_matrix.col[0][:3]
        z_axis = target_face_matrix.col[2][:3]
-        p1 = target_face_matrix.col[3][:3]
+        p1 = target_face_matrix.translation

        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
        tool.Model.unit_scale = self.unit_scale

        surface = tool.Ifc.get().createIfcCurveBoundedPlane()
-        surface.BasisSurface = tool.Ifc.get().createIfcPlane(tool.Ifc.get().createIfcAxis2Placement3D(
-            tool.Ifc.get().createIfcCartesianPoint([o / self.unit_scale for o in p1]),
-            tool.Ifc.get().createIfcDirection([float(o) for o in z_axis]),
-            tool.Ifc.get().createIfcDirection([float(o) for o in x_axis]),
-        ))
+        surface.BasisSurface = tool.Ifc.get().createIfcPlane(
+            tool.Ifc.get().createIfcAxis2Placement3D(
+                tool.Ifc.get().createIfcCartesianPoint([o / self.unit_scale for o in p1]),
+                tool.Ifc.get().createIfcDirection([float(o) for o in z_axis]),
+                tool.Ifc.get().createIfcDirection([float(o) for o in x_axis]),
+            )
+        )

        if tool.Ifc.get().schema != "IFC2X3":
            points = [tool.Model.convert_si_to_unit(list(co)) for co in polygon.exterior.coords]
@@ -748,9 +1043,24 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
                point_list = tool.Ifc.get().createIfcCartesianPointList2D(points)
                inner_boundaries.append(tool.Ifc.get().createIfcIndexedPolyCurve(point_list, None, False))
        else:
-            pass # TODO
+            pass  # TODO

        surface.OuterBoundary = outer_boundary
        surface.InnerBoundaries = inner_boundaries

        return surface
+
+    def set_boundary_name(self, boundary):
+        """
+        By convention 1stLevel and 2ndLevel boundary have specific name and description
+        See https://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelSpaceBoundary.htm
+        Warning: IfcRelSpaceBoundary2ndLevel is a subclass of IfcRelSpaceBoundary1stLevel test order matter
+        """
+        if boundary.is_a("IfcRelSpaceBoundary2ndLevel"):
+            boundary.Name = "2ndLevel"
+            if boundary.CorrespondingBoundary:
+                boundary.Description = "2a"
+            else:
+                boundary.Description = "2b"
+        elif boundary.is_a("IfcRelSpaceBoundary1stLevel"):
+            boundary.Name = "1stLevel"
@@ -25,13 +25,13 @@ from blenderbim.bim.module.boundary.data import SpaceBoundariesData


 class BIM_PT_SceneBoundaries(Panel):
-    bl_label = "IFC Space Boundaries"
+    bl_label = "Space Boundaries"
    bl_id_name = "BIM_PT_scene_boundaries"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"
-    bl_parent_id = "BIM_PT_geometry"
+    bl_parent_id = "BIM_PT_tab_geometry"

    @classmethod
    def poll(cls, context):
@@ -45,12 +45,12 @@ class BIM_PT_SceneBoundaries(Panel):


 class BIM_PT_Boundary(Panel):
-    bl_label = "IFC Space Boundary"
+    bl_label = "Space Boundary"
    bl_idname = "BIM_PT_Boundary"
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "object"
-    bl_parent_id = "BIM_PT_geometry_object"
+    bl_parent_id = "BIM_PT_tab_geometric_relationships"

    @classmethod
    def poll(cls, context):
@@ -117,14 +117,14 @@ class BIM_PT_Boundary(Panel):


 class BIM_PT_SpaceBoundaries(Panel):
-    bl_label = "IFC Space Boundaries"
+    bl_label = "Space Boundaries"
    bl_idname = "BIM_PT_SpaceBoundaries"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "object"
    bl_order = 1
-    bl_parent_id = "BIM_PT_geometry_object"
+    bl_parent_id = "BIM_PT_tab_geometric_relationships"

    @classmethod
    def poll(cls, context):
@@ -21,7 +21,7 @@ from . import ui, prop, operator

 classes = (
    operator.AddBrick,
-    operator.AddBrickFeed,
+    operator.AddBrickRelation,
    operator.AssignBrickReference,
    operator.CloseBrickProject,
    operator.ConvertBrickProject,
@@ -33,11 +33,18 @@ classes = (
    operator.RewindBrickClass,
    operator.ViewBrickClass,
    operator.ViewBrickItem,
+    operator.SerializeBrick,
+    operator.AddBrickNamespace,
+    operator.RemoveBrickRelation,
    prop.Brick,
    prop.BIMBrickProperties,
    ui.BIM_PT_brickschema,
-    ui.BIM_PT_ifc_brickschema_references,
+    ui.BIM_PT_brickschema_project_info,
+    ui.BIM_PT_brickschema_namespaces,
+    ui.BIM_PT_brickschema_create_entity,
+    ui.BIM_PT_brickschema_viewport,
    ui.BIM_UL_bricks,
+    ui.BIM_PT_ifc_brickschema_references,
 )


@@ -41,17 +41,15 @@ class BrickschemaData:
        cls.is_loaded = True
        cls.data = {
            "is_loaded": cls.get_is_loaded(),
-            "attributes": cls.attributes(),
-            "namespaces": cls.namespaces(),
-            "brick_equipment_classes": cls.brick_equipment_classes(),
+            "active_relations": cls.active_relations(),
        }

    @classmethod
    def get_is_loaded(cls):
-        return BrickStore.graph is not None
+        return BrickStore.graph is not None  # `if BrickStore.graph` by itself takes ages.

    @classmethod
-    def attributes(cls):
+    def active_relations(cls):
        if BrickStore.graph is None:
            return []
        props = bpy.context.scene.BIMBrickProperties
@@ -59,78 +57,75 @@ class BrickschemaData:
            brick = props.bricks[props.active_brick_index]
        except:
            return []
-        results = []
        uri = brick.uri
+        namespace = str(uri.split("#")[0])
+        if namespace == "https://brickschema.org/schema/Brick":
+            return []
+        results = []
        query = BrickStore.graph.query(
            """
            PREFIX brick: <https://brickschema.org/schema/Brick#>
            PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
            PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
-            SELECT DISTINCT ?name ?value ?sp ?sv WHERE {
-               <{uri}> ?name ?value .
-               OPTIONAL {
-               { ?name rdfs:range brick:TimeseriesReference . }
-                UNION
-               { ?name a brick:EntityProperty . }
-                ?value ?sp ?sv }
+            SELECT DISTINCT ?predicate ?object ?label ?sp ?sv  WHERE {
+                <{uri}> ?predicate ?object .
+                OPTIONAL {
+                    ?object rdfs:label ?label . 
+                }
+                OPTIONAL {
+                    { ?predicate rdfs:range brick:TimeseriesReference . }
+                    UNION
+                    { ?predicate a brick:EntityProperty . }
+                    ?object ?sp ?sv .
+                }
            }
+            GROUP BY ?object
        """.replace(
                "{uri}", uri
            )
        )
-
        for row in query:
-            name = row.get("name").toPython().split("#")[-1]
-            value = row.get("value")
+            predicate_uri = row.get("predicate")
+            predicate_name = predicate_uri.toPython().split("#")[-1]
+            object_uri = row.get("object")
+            object_name = row.get("label")
+            if not object_name:
+                if isinstance(object_uri, BNode):
+                    object_name = "[]"
+                else:
+                    try:
+                        object_name = object_uri.toPython().split("#")[-1]
+                    except:
+                        object_name = str(object_uri)
            results.append(
                {
-                    "name": name,
-                    "value": value.toPython().split("#")[-1],
-                    "is_uri": isinstance(value, URIRef),
-                    "value_uri": value.toPython(),
-                    "is_globalid": name == "globalID",
+                    "predicate_uri": predicate_uri,
+                    "predicate_name": predicate_name,
+                    "object_uri": object_uri,
+                    "object_name": object_name,
+                    "is_uri": isinstance(object_uri, URIRef),
+                    "is_globalid": predicate_name == "ifcGlobalID",
                }
            )
-            if isinstance(row.get("value"), BNode):
-                for s, p, o in BrickStore.graph.triples((value, None, None)):
+            if isinstance(object_uri, BNode):
+                for subject2, predicate2, object2 in BrickStore.graph.triples((object_uri, None, None)):
+                    predicate2_name = predicate2.toPython().split("#")[-1]
+                    try:
+                        object2_name = object2.toPython().split("#")[-1]
+                    except:
+                        object2_name = str(object2)
                    results.append(
                        {
-                            "name": name + ":" + p.toPython().split("#")[-1],
-                            "value": o.toPython().split("#")[-1],
-                            "is_uri": isinstance(o, URIRef),
-                            "value_uri": o.toPython(),
-                            "is_globalid": p.toPython().split("#")[-1] == "globalID",
+                            "predicate_uri": None,
+                            "predicate_name": predicate_name + ":" + predicate2_name,
+                            "object_uri": object2,
+                            "object_name": object2_name,
+                            "is_uri": isinstance(object2, URIRef),
+                            "is_globalid": predicate2_name == "ifcGlobalID",
                        }
                    )
        return results

-    @classmethod
-    def namespaces(cls):
-        if BrickStore.graph is None:
-            return []
-        results = []
-        for alias, uri in BrickStore.graph.namespaces():
-            results.append((uri, f"{alias}: {uri}", ""))
-        return results
-
-    @classmethod
-    def brick_equipment_classes(cls):
-        if BrickStore.graph is None:
-            return []
-        results = []
-        query = BrickStore.graph.query(
-            """
-            PREFIX brick: <https://brickschema.org/schema/Brick#>
-            PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
-            SELECT ?class WHERE {
-                ?class rdfs:subClassOf* brick:Equipment .
-            }
-        """
-        )
-        for uri in sorted([x[0].toPython() for x in query]):
-            results.append((uri, uri.split("#")[-1], ""))
-        return results
-

 class BrickschemaReferencesData:
    data = {}
@@ -154,7 +149,7 @@ class BrickschemaReferencesData:
        for library in ifc.by_type("IfcLibraryInformation"):
            if tool.Ifc.get_schema() == "IFC2X3":
                results.append((str(library.id()), library.Name or "Unnamed", ""))
-            elif ".ttl" in library.Location:
+            elif library.Location and ".ttl" in library.Location:
                results.append((str(library.id()), library.Name or "Unnamed", ""))
        return results

@@ -16,17 +16,19 @@
 # You should have received a copy of the GNU General Public License
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.

+import os
 import bpy
 import ifcopenshell.api
 import blenderbim.tool as tool
 import blenderbim.core.brick as core
 import blenderbim.bim.handler
 from blenderbim.bim.ifc import IfcStore
+from blenderbim.tool.brick import BrickStore


 class Operator:
    def execute(self, context):
-        self._execute(context)
+        IfcStore.execute_ifc_operator(self, context)
        blenderbim.bim.handler.refresh_ui_data()
        return {"FINISHED"}

@@ -35,11 +37,16 @@ class LoadBrickProject(bpy.types.Operator, Operator):
    bl_idname = "bim.load_brick_project"
    bl_label = "Load Brickschema Project"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Load in a Brick project from a file"
    filepath: bpy.props.StringProperty(subtype="FILE_PATH")
    filter_glob: bpy.props.StringProperty(default="*.ttl", options={"HIDDEN"})

    def _execute(self, context):
-        core.load_brick_project(tool.Brick, filepath=self.filepath)
+        if os.path.exists(self.filepath) and "ttl" in os.path.splitext(self.filepath)[1].lower():
+            root = context.scene.BIMBrickProperties.brick_list_root
+            core.load_brick_project(tool.Brick, filepath=self.filepath, brick_root=root)
+        else:
+            self.report({'ERROR'}, f'Failed to load {self.filepath}')

    def invoke(self, context, event):
        context.window_manager.fileselect_add(self)
@@ -50,35 +57,45 @@ class ViewBrickClass(bpy.types.Operator, Operator):
    bl_idname = "bim.view_brick_class"
    bl_label = "View Brick Class"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Inspect the subclasses of this class"
    brick_class: bpy.props.StringProperty(name="Brick Class")
+    split_screen: bpy.props.BoolProperty(name="Split Screen", default=False, options={"HIDDEN"})

    def _execute(self, context):
-        core.view_brick_class(tool.Brick, brick_class=self.brick_class)
+        core.view_brick_class(tool.Brick, brick_class=self.brick_class, split_screen=self.split_screen)


 class ViewBrickItem(bpy.types.Operator, Operator):
    bl_idname = "bim.view_brick_item"
    bl_label = "View Brick Item"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Inspect this entity in the viewer"
    item: bpy.props.StringProperty(name="Brick Item")
+    split_screen: bpy.props.BoolProperty(name="Split Screen", default=False, options={"HIDDEN"})

    def _execute(self, context):
-        core.view_brick_item(tool.Brick, item=self.item)
+        try:
+            core.view_brick_item(tool.Brick, item=self.item, split_screen=self.split_screen)
+        except:
+            self.report({'ERROR'}, f'Could not find {self.item}')


 class RewindBrickClass(bpy.types.Operator, Operator):
    bl_idname = "bim.rewind_brick_class"
    bl_label = "Rewind Brick Class"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Go back to the previous list view"
+    split_screen: bpy.props.BoolProperty(name="Split Screen", default=False, options={"HIDDEN"})

    def _execute(self, context):
-        core.rewind_brick_class(tool.Brick)
+        core.rewind_brick_class(tool.Brick, split_screen=self.split_screen)


 class CloseBrickProject(bpy.types.Operator, Operator):
    bl_idname = "bim.close_brick_project"
    bl_label = "Close Brick Project"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Close the Brick project"

    def _execute(self, context):
        core.close_brick_project(tool.Brick)
@@ -88,6 +105,7 @@ class ConvertBrickProject(bpy.types.Operator, Operator):
    bl_idname = "bim.convert_brick_project"
    bl_label = "Convert Brick Project"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Create an Ifc library for this Brick project"

    def _execute(self, context):
        core.convert_brick_project(tool.Ifc, tool.Brick)
@@ -97,9 +115,18 @@ class AssignBrickReference(bpy.types.Operator, Operator):
    bl_idname = "bim.assign_brick_reference"
    bl_label = "Assign Brick Reference"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Assign the selected Ifc entity to the selected Brick entity"

    def _execute(self, context):
+        if not context.active_object:
+            self.report({'ERROR'}, f'No Ifc selected')
+            return
        props = context.scene.BIMBrickProperties
+        try:
+            props.bricks[props.active_brick_index]
+        except:
+            self.report({'ERROR'}, f'No Brick selected')
+            return
        core.assign_brick_reference(
            tool.Ifc,
            tool.Brick,
@@ -113,35 +140,41 @@ class AddBrick(bpy.types.Operator, Operator):
    bl_idname = "bim.add_brick"
    bl_label = "Add Brick"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Create the Brick entity"

    def _execute(self, context):
        props = context.scene.BIMBrickProperties
-        library = None
-        if props.libraries:
-            library = tool.Ifc.get().by_id(int(props.libraries))
        core.add_brick(
            tool.Ifc,
            tool.Brick,
            element=tool.Ifc.get_entity(context.active_object) if context.selected_objects else None,
            namespace=props.namespace,
-            brick_class=props.brick_equipment_class,
-            library=library,
+            brick_class=props.brick_entity_class,
+            library=tool.Ifc.get().by_id(int(props.libraries)) if props.libraries else None,
+            label=props.new_brick_label,
        )


-class AddBrickFeed(bpy.types.Operator, Operator):
-    bl_idname = "bim.add_brick_feed"
-    bl_label = "Add Brick Feed"
+class AddBrickRelation(bpy.types.Operator, Operator):
+    bl_idname = "bim.add_brick_relation"
+    bl_label = "Add Brick Relation"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Create the Brick relationship"

    def _execute(self, context):
-        source = tool.Ifc.get_entity([o for o in context.selected_objects if o != context.active_object][0])
-        destination = tool.Ifc.get_entity(context.active_object)
-        core.add_brick_feed(
-            tool.Ifc,
+        props = context.scene.BIMBrickProperties
+        brick = props.bricks[props.active_brick_index]
+        if props.new_brick_relation_type == "http://www.w3.org/2000/01/rdf-schema#label":
+            object = props.new_brick_relation_object
+        elif props.split_screen_toggled:
+            object = props.split_screen_bricks[props.split_screen_active_brick_index].uri
+        else:
+            object = props.namespace + props.new_brick_relation_object
+        core.add_brick_relation(
            tool.Brick,
-            source=source,
-            destination=destination,
+            brick_uri=brick.uri,
+            predicate=props.new_brick_relation_type,
+            object=object
        )


@@ -149,6 +182,7 @@ class ConvertIfcToBrick(bpy.types.Operator, Operator):
    bl_idname = "bim.convert_ifc_to_brick"
    bl_label = "Convert IFC To Brick"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Convert Ifc entities and relations to Brick entities and relations"

    def _execute(self, context):
        props = context.scene.BIMBrickProperties
@@ -158,19 +192,44 @@ class ConvertIfcToBrick(bpy.types.Operator, Operator):
        core.convert_ifc_to_brick(tool.Brick, namespace=props.namespace, library=library)


-class NewBrickFile(bpy.types.Operator, Operator):
+class NewBrickFile(bpy.types.Operator):
    bl_idname = "bim.new_brick_file"
    bl_label = "New Brick File"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Create a Brick project from scratch"
+
+    def execute(self, context):
+        IfcStore.begin_transaction(self)
+        IfcStore.add_transaction_operation(self, rollback=self.rollback, commit=lambda data: True)
+        self._execute(context)
+        self.transaction_data = {
+            "schema": BrickStore.schema,
+            "path": BrickStore.path,
+            "graph": BrickStore.graph,
+        }
+        IfcStore.add_transaction_operation(self, rollback=lambda data: True, commit=self.commit)
+        IfcStore.end_transaction(self)
+        blenderbim.bim.handler.refresh_ui_data()
+        return {"FINISHED"}

    def _execute(self, context):
-        core.new_brick_file(tool.Brick)
+        root = context.scene.BIMBrickProperties.brick_list_root
+        core.new_brick_file(tool.Brick, brick_root=root)
+
+    def rollback(self, data):
+        BrickStore.purge()
+
+    def commit(self, data):
+        BrickStore.schema = data["schema"]
+        BrickStore.path = data["path"]
+        BrickStore.graph = data["graph"]


 class RefreshBrickViewer(bpy.types.Operator, Operator):
    bl_idname = "bim.refresh_brick_viewer"
    bl_label = "Refresh Brick Viewer"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Refresh the list view"

    def _execute(self, context):
        core.refresh_brick_viewer(tool.Brick)
@@ -180,6 +239,7 @@ class RemoveBrick(bpy.types.Operator, Operator):
    bl_idname = "bim.remove_brick"
    bl_label = "Remove Brick"
    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Delete this entity"

    def _execute(self, context):
        props = context.scene.BIMBrickProperties
@@ -189,3 +249,57 @@ class RemoveBrick(bpy.types.Operator, Operator):
            library=tool.Ifc.get().by_id(int(props.libraries)) if props.libraries else None,
            brick_uri=props.bricks[props.active_brick_index].uri,
        )
+
+
+class SerializeBrick(bpy.types.Operator):
+    bl_idname = "bim.serialize_brick"
+    bl_label = "Serialize Brick"
+    filter_glob: bpy.props.StringProperty(default="*.ttl", options={"HIDDEN"})
+    filepath: bpy.props.StringProperty(subtype="FILE_PATH")
+    should_save_as: bpy.props.BoolProperty(name="Should Save As", default=False, options={"HIDDEN"})
+
+    def invoke(self, context, event):
+        if self.should_save_as or not BrickStore.path:
+            WindowManager = context.window_manager
+            WindowManager.fileselect_add(self)
+            return {"RUNNING_MODAL"}
+        else:
+            return self.execute(context)
+
+    def execute(self, context):
+        if self.should_save_as or not BrickStore.path:
+            BrickStore.path = self.filepath
+        core.serialize_brick(tool.Brick)
+        return {"FINISHED"}
+
+    @classmethod
+    def description(cls, context, properties):
+        if properties.should_save_as:
+            return "Save Brick project to a selected file"
+        return "Save the Brick project"
+
+
+class AddBrickNamespace(bpy.types.Operator, Operator):
+    bl_idname = "bim.add_brick_namespace"
+    bl_label = "Add Brick Namespace"
+    bl_description = "Bind a new namespace to the Brick project"
+
+    def _execute(self, context):
+        props = context.scene.BIMBrickProperties
+        alias = props.new_brick_namespace_alias
+        uri = props.new_brick_namespace_uri
+        core.add_brick_namespace(tool.Brick, alias=alias, uri=uri)
+
+
+class RemoveBrickRelation(bpy.types.Operator, Operator):
+    bl_idname = "bim.remove_brick_relation"
+    bl_label = "Remove Relation"
+    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Delete this relationship"
+    predicate: bpy.props.StringProperty(name="Relation")
+    object: bpy.props.StringProperty(name="Object")
+
+    def _execute(self, context):
+        props = context.scene.BIMBrickProperties
+        brick = props.bricks[props.active_brick_index]
+        core.remove_brick_relation(tool.Brick, brick_uri=brick.uri, predicate=self.predicate, object=self.object)
@@ -30,7 +30,9 @@ from bpy.props import (
    FloatVectorProperty,
    CollectionProperty,
 )
-
+import blenderbim.core.brick as core
+import blenderbim.tool.brick as tool
+from blenderbim.tool.brick import BrickStore

 def update_active_brick_index(self, context):
    BrickschemaData.is_loaded = False
@@ -43,15 +45,35 @@ def get_libraries(self, context):


 def get_namespaces(self, context):
-    if not BrickschemaData.is_loaded:
-        BrickschemaData.load()
-    return BrickschemaData.data["namespaces"]
+    return [(uri, f"{alias}: {uri}", "") for alias, uri in BrickStore.namespaces]


-def get_brick_equipment_classes(self, context):
-    if not BrickschemaData.is_loaded:
-        BrickschemaData.load()
-    return BrickschemaData.data["brick_equipment_classes"]
+def get_brick_entity_classes(self, context):
+    entity = self.brick_entity_create_type
+    return [(uri, uri.split("#")[-1], "") for uri in BrickStore.entity_classes[entity]]
+
+
+def get_brick_roots(self, context): 
+    return [(root, root, "") for root in BrickStore.root_classes]
+
+
+def get_brick_relations(self, context):
+    relations = [(uri, uri.split("#")[-1], "") for uri in BrickStore.relationships]
+    for relation in BrickschemaData.data["active_relations"]:
+        if relation["predicate_name"] == "label":
+            return relations
+    relations.append(("http://www.w3.org/2000/01/rdf-schema#label", "label", ""))
+    return relations
+    
+
+
+def update_view(self, context):
+    root = context.scene.BIMBrickProperties.brick_list_root
+    core.set_brick_list_root(tool.Brick, brick_root=root, split_screen=False)
+
+def split_screen_update_view(self, context):
+    root = context.scene.BIMBrickProperties.split_screen_brick_list_root
+    core.set_brick_list_root(tool.Brick, brick_root=root, split_screen=True)


 class Brick(PropertyGroup):
@@ -67,5 +89,26 @@ class BIMBrickProperties(PropertyGroup):
    bricks: CollectionProperty(name="Bricks", type=Brick)
    active_brick_index: IntProperty(name="Active Brick Index", update=update_active_brick_index)
    libraries: EnumProperty(name="Libraries", items=get_libraries)
+    set_list_root_toggled: BoolProperty(name="Set List Root Toggled", default=False)
+    brick_list_root: EnumProperty(name="Brick List Root", items=get_brick_roots, update=update_view)
+    # namespace manager
    namespace: EnumProperty(name="Namespace", items=get_namespaces)
-    brick_equipment_class: EnumProperty(name="Brick Equipment Class", items=get_brick_equipment_classes)
+    new_brick_namespace_alias: StringProperty(name="New Brick Namespace Alias")
+    new_brick_namespace_uri: StringProperty(name="New Brick Namespace URI")
+    # create brick entity
+    new_brick_label: StringProperty(name="New Brick Label")
+    brick_entity_create_type: EnumProperty(name="Brick Entity Types", items=get_brick_roots)
+    brick_entity_class: EnumProperty(name="Brick Equipment Class", items=get_brick_entity_classes)
+    # create relations
+    brick_create_relations_toggled: BoolProperty(name="Brick Create Relations Toggled", default=False)
+    brick_edit_relations_toggled: BoolProperty(name="Brick Edit Relations Toggled", default=False)
+    new_brick_relation_type: EnumProperty(name="New Brick Relation Type", items=get_brick_relations)
+    new_brick_relation_object: StringProperty(name="New Brick Relation Object")
+    add_brick_relation_failed: BoolProperty(name="Add Relation Failed", default=False)
+    # create relations split screen
+    split_screen_toggled: BoolProperty(name="Split Screen Toggled", default=False)
+    split_screen_bricks: CollectionProperty(name="Split Screen Bricks", type=Brick)
+    split_screen_active_brick_index: IntProperty(name="Split Screen Active Brick Index", update=update_active_brick_index)
+    split_screen_active_brick_class: StringProperty(name="Split Screen Active Brick Class")
+    split_screen_brick_breadcrumbs: CollectionProperty(name="Split Screen Brick Breadcrumbs", type=StrProperty)
+    split_screen_brick_list_root: EnumProperty(name="Split Screen Brick List Root", items=get_brick_roots, update=split_screen_update_view)
@@ -20,21 +20,33 @@ import blenderbim.tool as tool
 from bpy.types import Panel, UIList
 from blenderbim.bim.helper import prop_with_search
 from blenderbim.bim.module.brick.data import BrickschemaData, BrickschemaReferencesData
+from blenderbim.tool.brick import BrickStore


 class BIM_PT_brickschema(Panel):
    bl_label = "Brickschema Project"
    bl_idname = "BIM_PT_brickschema"
-    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"
+    bl_parent_id = "BIM_PT_tab_operations"

    def draw(self, context):
        if not BrickschemaData.is_loaded:
            BrickschemaData.load()
-        self.props = context.scene.BIMBrickProperties

+
+class BIM_PT_brickschema_project_info(Panel):
+    bl_label = "Project Info"
+    bl_idname = "BIM_PT_brickschema_project_info"
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "scene"
+    bl_parent_id = "BIM_PT_brickschema"
+
+    def draw(self, context):
+        self.props = context.scene.BIMBrickProperties
+        
        if not BrickschemaData.data["is_loaded"]:
            row = self.layout.row(align=True)
            row.operator("bim.new_brick_file", text="Create Project")
@@ -42,38 +54,217 @@ class BIM_PT_brickschema(Panel):
            return

        row = self.layout.row(align=True)
-        if len(self.props.brick_breadcrumbs):
-            row.operator("bim.rewind_brick_class", text="", icon="FRAME_PREV")
-        row.label(text=self.props.active_brick_class)
-        row.operator("bim.refresh_brick_viewer", text="", icon="FILE_REFRESH")
+        if BrickStore.path:
+            row.label(text=BrickStore.path, icon="FILEBROWSER")
+        else:
+            row.label(text="No file", icon="FILEBROWSER")
+        
+        row = self.layout.row(align=True)
+        if BrickStore.last_saved:
+            row.label(text=BrickStore.last_saved, icon="TIME")
+        else:
+            row.label(text="Not saved", icon="TIME")
+
+        row = self.layout.row(align=True)
+        op = row.operator("bim.serialize_brick", icon="EXPORT", text="Save")
+        op.should_save_as = False
+        op = row.operator("bim.serialize_brick", icon="FILE_TICK", text="Save As")
+        op.should_save_as = True
        row.operator("bim.close_brick_project", text="", icon="CANCEL")

+
+class BIM_PT_brickschema_namespaces(Panel):
+    bl_label = "Namespaces"
+    bl_idname = "BIM_PT_brickschema_namespaces"
+    bl_options = {"DEFAULT_CLOSED"}
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "scene"
+    bl_parent_id = "BIM_PT_brickschema"
+
+    @classmethod
+    def poll(cls, context):
+        return BrickStore.graph != None
+
+    def draw(self, context):
+        self.props = context.scene.BIMBrickProperties
+
+        row = self.layout.row(align=True)
+        row.label(text="Active Namespace:")
+
        row = self.layout.row(align=True)
        prop_with_search(row, self.props, "namespace", text="")
-        prop_with_search(row, self.props, "brick_equipment_class", text="")
-        row.operator("bim.add_brick", text="", icon="ADD")

        row = self.layout.row(align=True)
-        row.alignment = "RIGHT"
-        row.operator("bim.add_brick_feed", text="", icon="PLUGIN")
-        row.operator("bim.remove_brick", text="", icon="X")
+        row.label(text="Bind New Namespace:")

-        self.layout.template_list("BIM_UL_bricks", "", self.props, "bricks", self.props, "active_brick_index")
+        row = self.layout.row(align=True)
+        row.prop(data=self.props, property="new_brick_namespace_alias", text="")
+        col = row.column()
+        col.alignment = "CENTER"
+        col.scale_x = 1.1
+        col.label(text=":")
+        row.prop(data=self.props, property="new_brick_namespace_uri", text="")
+        row.operator("bim.add_brick_namespace", text="", icon="ADD")

-        for attribute in BrickschemaData.data["attributes"]:
+
+class BIM_PT_brickschema_create_entity(Panel):
+    bl_label = "Create Entity"
+    bl_idname = "BIM_PT_brickschema_create_entity"
+    bl_options = {"DEFAULT_CLOSED"}
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "scene"
+    bl_parent_id = "BIM_PT_brickschema"
+
+    @classmethod
+    def poll(cls, context):
+        return BrickStore.graph != None
+
+    def draw(self, context):
+        self.props = context.scene.BIMBrickProperties
+        # TO DO: hide this if selected entity already has a reference, or something similar
+
+        row = self.layout.row(align=True)
+        row.prop(data=self.props, property="brick_entity_create_type", text="Class")
+
+        row = self.layout.row(align=True)
+        prop_with_search(row, self.props, "brick_entity_class", text="Type")
+        
+        row = self.layout.row(align=True)
+        active = tool.Ifc.get_entity(context.active_object)
+        if active and context.selected_objects:
+            row.label(text="Label:")
+            row.label(text=active.Name if active.Name else "Unnamed")
+        else:
+            row.prop(data=self.props, property="new_brick_label", text="Label")
+
+        row = self.layout.row(align=True)
+        row.operator("bim.add_brick", text="Create Entity")
+     
+
+class BIM_PT_brickschema_viewport(Panel):
+    bl_label = "Viewport"
+    bl_idname = "BIM_PT_brickschema_viewport"
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "scene"
+    bl_parent_id = "BIM_PT_brickschema"
+
+    @classmethod
+    def poll(cls, context):
+        return BrickStore.graph != None
+
+    def draw(self, context):
+        self.props = context.scene.BIMBrickProperties
+
+        row = self.layout.row(align=True)
+        row.column().alignment = "RIGHT"
+        row.prop(data=self.props, property="set_list_root_toggled", text="", icon="OUTLINER")
+        row.prop(data=self.props, property="split_screen_toggled", text="", icon="WINDOW")
+        row.operator("bim.refresh_brick_viewer", text="", icon="FILE_REFRESH")
+
+        grid = self.layout.grid_flow(even_columns=True)
+        grid_left = grid.column(align=True)
+        row = grid_left.row(align=True)
+        if len(self.props.brick_breadcrumbs):
+            op = row.operator("bim.rewind_brick_class", text="", icon="FRAME_PREV")
+            op.split_screen = False
+        row.label(text=self.props.active_brick_class)
+
+        if self.props.set_list_root_toggled:
+            row = grid_left.row(align=True)
+            row.prop(data=self.props, property="brick_list_root", text="")
+
+        row = grid_left.row()
+        BIM_UL_bricks.split_screen = False
+        row.template_list("BIM_UL_bricks", "", self.props, "bricks", self.props, "active_brick_index")
+
+        if self.props.split_screen_toggled:
+            grid_right = grid.column(align=True)
+            row = grid_right.row(align=True)
+            if len(self.props.split_screen_brick_breadcrumbs):
+                op = row.operator("bim.rewind_brick_class", text="", icon="FRAME_PREV")
+                op.split_screen = True
+            row.label(text=self.props.split_screen_active_brick_class)
+
+            if self.props.set_list_root_toggled:
+                row = grid_right.row(align=True)
+                row.prop(data=self.props, property="split_screen_brick_list_root", text="")
+
+            row = grid_right.row()
+            BIM_UL_bricks.split_screen = True
+            row.template_list("BIM_UL_bricks", "", self.props, "split_screen_bricks", self.props, "split_screen_active_brick_index")
+
+        if BrickschemaData.data["active_relations"]:
            row = self.layout.row(align=True)
-            row.label(text=attribute["name"])
-            row.label(text=attribute["value"])
-            if attribute["is_uri"]:
-                op = row.operator("bim.view_brick_item", text="", icon="DISCLOSURE_TRI_RIGHT")
-                op.item = attribute["value_uri"]
-            if attribute["is_globalid"]:
-                op = row.operator("bim.select_global_id", icon="RESTRICT_SELECT_OFF", text="")
-                op.global_id = attribute["value"]
+            row.column().alignment = "RIGHT"
+            row.prop(data=self.props, property="brick_create_relations_toggled", text="", icon="PLUGIN")
+            row.prop(data=self.props, property="brick_edit_relations_toggled", text="", icon="TOOL_SETTINGS")
+            row.operator("bim.remove_brick", text="", icon="X")

+            if self.props.brick_create_relations_toggled and self.props.split_screen_toggled:
+                row = self.layout.row(align=True)
+                try:
+                    split_screen_selection = self.props.split_screen_bricks[self.props.split_screen_active_brick_index]
+                except:
+                    split_screen_selection = None
+                if not split_screen_selection or split_screen_selection.total_items:
+                    row.label(text="No selection", icon="INFO")
+                else:
+                    prop_with_search(row, self.props, "new_brick_relation_type", text="")
+                    row.label(text=split_screen_selection.label if split_screen_selection.label else split_screen_selection.name)
+                    row.operator("bim.add_brick_relation", text="", icon="ADD")
+
+            elif self.props.brick_create_relations_toggled:
+                row = self.layout.row(align=True)
+                prop_with_search(row, self.props, "new_brick_relation_type", text="")
+                row.prop(data=self.props, property="new_brick_relation_object", text="")
+                row.operator("bim.add_brick_relation", text="", icon="ADD")
+
+            if self.props.brick_create_relations_toggled and self.props.add_brick_relation_failed:
+                row = self.layout.row(align=True)
+                row.label(text="Failed to find this entity!", icon="ERROR")
+
+        for relation in BrickschemaData.data["active_relations"]:
+            split = self.layout.split(factor=0.85, align=True)
+            row = split.row(align=True)
+            row.label(text=relation["predicate_name"])
+            row.separator()
+            row.label(text=relation["object_name"])
+            row = split.row(align=True)
+            row.column().alignment = "RIGHT"
+            if self.props.brick_edit_relations_toggled and relation["predicate_uri"] and relation["predicate_name"] != "type":
+                op = row.operator("bim.remove_brick_relation", text="", icon="UNLINKED")
+                op.predicate = relation["predicate_uri"]
+                op.object = relation["object_uri"]
+            if relation["is_uri"] and relation["object_uri"].toPython().split("#")[-1] != self.props.active_brick_class:
+                op = row.operator("bim.view_brick_item", text="", icon="DISCLOSURE_TRI_RIGHT")
+                op.item = relation["object_uri"]
+            if relation["is_globalid"]:
+                op = row.operator("bim.select_global_id", icon="RESTRICT_SELECT_OFF", text="")
+                op.global_id = relation["object_name"]
+
+
+class BIM_UL_bricks(UIList):
+    split_screen = False
+
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
+        if item:
+            split = layout.split(factor=0.85, align=True)
+            row = split.row()
+            label = item.label if item.label else item.name
+            if item.total_items:
+                op = row.operator("bim.view_brick_class", text="", icon="DISCLOSURE_TRI_RIGHT", emboss=False)
+                op.brick_class = item.name
+                op.split_screen = self.split_screen
+            row.label(text=label)
+            if item.total_items:
+                row = split.row()
+                row.label(text=str(item.total_items))

 class BIM_PT_ifc_brickschema_references(Panel):
-    bl_label = "IFC Brickschema References"
+    bl_label = "Brickschema References"
    bl_idname = "BIM_PT_ifc_brickschema_references"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
@@ -95,15 +286,24 @@ class BIM_PT_ifc_brickschema_references(Panel):
            row.label(text="No Brickschema Project Loaded")
            return

-        if not BrickschemaReferencesData.data["libraries"]:
+        if not BrickschemaReferencesData.data["libraries"] and BrickStore.path:
            row = self.layout.row(align=True)
            row.label(text="No IFC Libraries")
            row.operator("bim.convert_brick_project", text="", icon="ADD")
            return
+        
+        elif not BrickschemaReferencesData.data["libraries"]:
+            row = self.layout.row(align=True)
+            row.label(text="No IFC Libraries: save the Brick project to create a new library", icon="ERROR")
+
+            row = self.layout.row(align=True)
+            row.label(text="Libraries must have location pointing to a \".ttl\" file", icon="INFO")
+            return

        row = self.layout.row(align=True)
        prop_with_search(row, self.props, "libraries")
-        row.operator("bim.convert_brick_project", text="", icon="ADD")
+        if BrickStore.path:
+            row.operator("bim.convert_brick_project", text="", icon="ADD")

        row = self.layout.row(align=True)
        row.operator("bim.assign_brick_reference", icon="ADD")
@@ -118,16 +318,4 @@ class BIM_PT_ifc_brickschema_references(Panel):
            row.label(text=reference["identification"], icon="ASSET_MANAGER")
            row.label(text=reference["name"])
            row.operator("bim.unassign_library_reference", text="", icon="X").reference = reference["id"]
-            row.operator("bim.view_brick_item", text="", icon="DISCLOSURE_TRI_RIGHT").item = reference["identification"]
-
-
-class BIM_UL_bricks(UIList):
-    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
-        if item:
-            row = layout.row(align=True)
-            if item.total_items:
-                op = row.operator("bim.view_brick_class", text="", icon="DISCLOSURE_TRI_RIGHT", emboss=False)
-                op.brick_class = item.name
-            row.label(text=item.label if item.label else item.name)
-            if item.total_items:
-                row.label(text=str(item.total_items))
+            row.operator("bim.view_brick_item", text="", icon="DISCLOSURE_TRI_RIGHT").item = reference["identification"]
@@ -0,0 +1,42 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2023 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+from . import ui, prop, operator
+
+classes = (
+    operator.GetBSDDClassificationProperties,
+    operator.LoadBSDDDomains,
+    operator.SearchBSDDClass,
+    operator.SetActiveBSDDDictionary,
+    prop.BSDDDomain,
+    prop.BSDDClassification,
+    prop.BSDDPset,
+    prop.BIMBSDDProperties,
+    ui.BIM_UL_bsdd_domains,
+    ui.BIM_UL_bsdd_classifications,
+    ui.BIM_PT_bsdd,
+)
+
+
+def register():
+    bpy.types.Scene.BIMBSDDProperties = bpy.props.PointerProperty(type=prop.BIMBSDDProperties)
+
+
+def unregister():
+    del bpy.types.Scene.BIMBSDDProperties
@@ -0,0 +1,65 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2023 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+import bsdd
+import blenderbim.tool as tool
+from blenderbim.core import bsdd as core
+
+
+class LoadBSDDDomains(bpy.types.Operator):
+    bl_idname = "bim.load_bsdd_domains"
+    bl_label = "Load bSDD Dictionaries"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        core.load_bsdd(bsdd.Client(), tool.Bsdd)
+        return {"FINISHED"}
+
+
+class SetActiveBSDDDictionary(bpy.types.Operator):
+    bl_idname = "bim.set_active_bsdd_domain"
+    bl_label = "Load bSDD Dictionary"
+    bl_options = {"REGISTER", "UNDO"}
+    name: bpy.props.StringProperty()
+    uri: bpy.props.StringProperty()
+
+    def execute(self, context):
+        core.set_active_bsdd_dictionary(self.name, self.uri, tool.Bsdd)
+        return {"FINISHED"}
+
+
+class SearchBSDDClass(bpy.types.Operator):
+    bl_idname = "bim.search_bsdd_classifications"
+    bl_label = "Search bSDD Class"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        keyword = context.scene.BIMBSDDProperties.keyword
+        core.search_class(keyword, bsdd.Client(), tool.Bsdd)
+        return {"FINISHED"}
+
+
+class GetBSDDClassificationProperties(bpy.types.Operator):
+    bl_idname = "bim.get_bsdd_classification_properties"
+    bl_label = "Search bSDD Classifications"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        core.get_class_properties(bsdd.Client(), tool.Bsdd)
+        return {"FINISHED"}
@@ -0,0 +1,67 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2023 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+from bpy.types import PropertyGroup
+from blenderbim.bim.prop import Attribute, StrProperty
+from bpy.props import (
+    PointerProperty,
+    StringProperty,
+    EnumProperty,
+    BoolProperty,
+    IntProperty,
+    FloatProperty,
+    FloatVectorProperty,
+    CollectionProperty,
+)
+
+
+class BSDDDomain(PropertyGroup):
+    name: StringProperty(name="Name")
+    uri: StringProperty(name="URI")
+    default_language_code: StringProperty(name="Language")
+    organization_name_owner: StringProperty(name="Organization")
+    status: StringProperty(name="Status")
+    version: StringProperty(name="Version")
+
+
+class BSDDClassification(PropertyGroup):
+    name: StringProperty(name="Name")
+    reference_code: StringProperty(name="Reference Code")
+    description: StringProperty(name="Description")
+    uri: StringProperty(name="Namespace URI")
+    domain_name: StringProperty(name="Domain Name")
+    domain_namespace_uri: StringProperty(name="Domain Namespace URI")
+
+
+class BSDDPset(PropertyGroup):
+    name: StringProperty(name="Name")
+    properties: CollectionProperty(name="Properties", type=Attribute)
+
+
+class BIMBSDDProperties(PropertyGroup):
+    active_domain: StringProperty(name="Active Domain")
+    active_uri: StringProperty(name="Active URI")
+    domains: CollectionProperty(name="Domains", type=BSDDDomain)
+    active_domain_index: IntProperty(name="Active Domain Index")
+    classifications: CollectionProperty(name="Classifications", type=BSDDClassification)
+    active_classification_index: IntProperty(name="Active Classification Index")
+    keyword: StringProperty(name="Keyword")
+    should_filter_ifc_class: BoolProperty(name="Filter Active IFC Class", default=True)
+    load_preview_domains: BoolProperty(name="Load Preview Domains", default=False)
+    classification_psets: CollectionProperty(name="Classification Psets", type=BSDDPset)
@@ -0,0 +1,79 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2023 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import blenderbim.tool as tool
+from bpy.types import Panel, UIList
+from blenderbim.bim.ifc import IfcStore
+
+
+class BIM_PT_bsdd(Panel):
+    bl_label = "buildingSMART Data Dictionary"
+    bl_idname = "BIM_PT_bsdd"
+    bl_options = {"DEFAULT_CLOSED"}
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "scene"
+    bl_parent_id = "BIM_PT_tab_project_setup"
+
+    def draw(self, context):
+        props = context.scene.BIMBSDDProperties
+        row = self.layout.row(align=True)
+        row.prop(props, "load_preview_domains")
+        if len(props.domains):
+            row.operator("bim.load_bsdd_domains", text="", icon="FILE_REFRESH")
+
+        if props.active_domain:
+            row = self.layout.row()
+            row.label(text="Active: " + props.active_domain, icon="URL")
+        else:
+            row = self.layout.row()
+            row.label(text="No Active bSDD Domain", icon="ERROR")
+
+        if len(props.domains):
+            self.layout.template_list(
+                "BIM_UL_bsdd_domains",
+                "",
+                props,
+                "domains",
+                props,
+                "active_domain_index",
+            )
+        else:
+            row = self.layout.row()
+            row.operator("bim.load_bsdd_domains")
+
+
+class BIM_UL_bsdd_domains(UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
+        if item:
+            row = layout.row(align=True)
+            if item.status != "Active":
+                row.label(text=f"{item.name} ({item.organization_name_owner}) - {item.status}", icon="ERROR")
+            else:
+                row.label(text=f"{item.name} ({item.organization_name_owner})")
+            op = row.operator("bim.set_active_bsdd_domain", text="", icon="RESTRICT_SELECT_OFF")
+            op.name = item.name
+            op.uri = item.uri
+
+
+class BIM_UL_bsdd_classifications(UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
+        if item:
+            row = layout.row(align=True)
+            row.label(text=item.reference_code)
+            row.label(text=item.name)
@@ -24,6 +24,8 @@ import bpy_extras
 import blenderbim.tool as tool
 from mathutils import Vector, Matrix
 from math import pi, radians, sin, cos, sqrt
+import ifcopenshell.util.unit
+

 messages = {
    "SHARED_VERTEX": "Shared Vertex, no intersection possible",
@@ -140,6 +142,9 @@ class CadFillet(bpy.types.Operator):
            layout.prop(self, prop)

    def execute(self, context):
+        si_conversion = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+        self.radius = self.radius * si_conversion
+        
        bpy.ops.object.mode_set(mode="OBJECT")
        bpy.ops.object.mode_set(mode="EDIT")

@@ -361,6 +366,10 @@ class CadOffset(bpy.types.Operator):
        # dialog that Mesh Tools has. Sverchok is 2D based, but has a weird side
        # effect of converting an unclosed loop into a closed loop which is also
        # not what users expect.
+
+        si_conversion = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+        self.distance = self.distance * si_conversion
+        
        bpy.ops.object.mode_set(mode="OBJECT")
        bpy.ops.object.mode_set(mode="EDIT")

@@ -498,6 +507,8 @@ class CadOffset(bpy.types.Operator):
                    local_direction = (rotation_i @ direction).normalized()
                    normals.append(local_direction)

+
+
                if len(normals) == 2:
                    # https://stackoverflow.com/a/54042831/9627415
                    new_normal = (normals[0].lerp(normals[1], 0.5)).normalized()
@@ -531,7 +542,7 @@ class CadOffset(bpy.types.Operator):
 class AddIfcCircle(bpy.types.Operator):
    bl_idname = "bim.add_ifccircle"
    bl_label = "Add IfcCircle"
-    radius: bpy.props.FloatProperty(name="Radius", default=0.1)
+    radius: bpy.props.FloatProperty(name="Radius", default=0.5)

    @classmethod
    def poll(cls, context):
@@ -539,6 +550,9 @@ class AddIfcCircle(bpy.types.Operator):
        return bool(obj) and obj.type == "MESH"

    def execute(self, context):
+        si_conversion = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+        self.radius = self.radius * si_conversion
+
        if self.has_selected_existing_circle(context):
            self.change_radius(context)
        else:
@@ -622,6 +636,9 @@ class AddIfcArcIndexFillet(bpy.types.Operator):
            layout.prop(self, prop)

    def execute(self, context):
+        si_conversion = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+        self.radius = self.radius * si_conversion
+        
        if self.has_selected_existing_arc(context):
            self.change_radius(context)
        else:
@@ -786,8 +803,8 @@ class AlignViewToProfile(bpy.types.Operator):
 class AddRectangle(bpy.types.Operator):
    bl_idname = "bim.add_rectangle"
    bl_label = "Add Rectangle"
-    x: bpy.props.FloatProperty(name="X", default=0.1)
-    y: bpy.props.FloatProperty(name="Y", default=0.1)
+    x: bpy.props.FloatProperty(name="X", default=1)
+    y: bpy.props.FloatProperty(name="Y", default=1)

    @classmethod
    def poll(cls, context):
@@ -795,6 +812,10 @@ class AddRectangle(bpy.types.Operator):
        return bool(obj) and obj.type == "MESH"

    def execute(self, context):
+        si_conversion = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+        self.x = self.x * si_conversion
+        self.y = self.y * si_conversion        
+        
        obj = context.active_object
        bm = bmesh.from_edit_mesh(obj.data)
        cursor = obj.matrix_world.inverted() @ context.scene.cursor.location
@@ -137,24 +137,22 @@ class CadTool(WorkSpaceTool):
        else:
            if (
                (RailingData.is_loaded or not RailingData.load())
-                and RailingData.data["parameters"]
+                and RailingData.data["pset_data"]
                and context.active_object.BIMRailingProperties.is_editing_path
            ):
                row = layout.row(align=True)
-                row.label(text="", icon="EVENT_SHIFT")
-                row.label(text="", icon="EVENT_Q")
-                row.operator("bim.cad_hotkey", text="Apply Railing Path").hotkey = "S_Q"
+                row.label(text="", icon=f"EVENT_TAB")
+                row.operator("bim.finish_editing_railing_path")
                row.operator("bim.cancel_editing_railing_path", icon="CANCEL", text="")

            elif (
                (RoofData.is_loaded or not RoofData.load())
-                and RoofData.data["parameters"]
+                and RoofData.data["pset_data"]
                and context.active_object.BIMRoofProperties.is_editing_path
            ):
                row = layout.row(align=True)
-                row.label(text="", icon="EVENT_SHIFT")
-                row.label(text="", icon="EVENT_Q")
-                row.operator("bim.cad_hotkey", text="Apply Roof Path").hotkey = "S_Q"
+                row.label(text="", icon=f"EVENT_TAB")
+                row.operator("bim.finish_editing_roof_path")
                row.operator("bim.cancel_editing_roof_path", icon="CANCEL", text="")

                row = layout.row(align=True)
@@ -229,7 +227,7 @@ class CadHotkey(bpy.types.Operator):
                row.prop(props, "y")
            elif (
                (RoofData.is_loaded or not RoofData.load())
-                and RoofData.data["parameters"]
+                and RoofData.data["pset_data"]
                and bpy.context.active_object.BIMRoofProperties.is_editing_path
            ):
                self.layout.row().prop(props, "gable_roof_edge_angle")
@@ -270,26 +268,12 @@ class CadHotkey(bpy.types.Operator):
        elif bpy.context.active_object.data.BIMMeshProperties.subshape_type == "AXIS":
            bpy.ops.bim.edit_extrusion_axis()

-        elif (
-            (RailingData.is_loaded or not RailingData.load())
-            and RailingData.data["parameters"]
-            and bpy.context.active_object.BIMRailingProperties.is_editing_path
-        ):
-            bpy.ops.bim.finish_editing_railing_path()
-
-        elif (
-            (RoofData.is_loaded or not RoofData.load())
-            and RoofData.data["parameters"]
-            and bpy.context.active_object.BIMRoofProperties.is_editing_path
-        ):
-            bpy.ops.bim.finish_editing_roof_path()
-
    def hotkey_S_R(self):
        if self.is_profile():
            bpy.ops.bim.add_rectangle(x=self.props.x, y=self.props.y)
        elif (
            (RoofData.is_loaded or not RoofData.load())
-            and RoofData.data["parameters"]
+            and RoofData.data["pset_data"]
            and bpy.context.active_object.BIMRoofProperties.is_editing_path
        ):
            bpy.ops.bim.set_gable_roof_edge_angle(
@@ -20,26 +20,33 @@ import bpy
 from . import ui, prop, operator

 classes = (
+    operator.AddClashSet,
+    operator.AddClashSource,
+    operator.ExecuteIfcClash,
    operator.ExportClashSets,
    operator.ImportClashSets,
-    operator.AddClashSet,
+    operator.LoadIfcClashes,
+    operator.SaveIfcClashes,
+    operator.LoadSmartGroupsForActiveClashSet,
    operator.RemoveClashSet,
-    operator.AddClashSource,
    operator.RemoveClashSource,
-    operator.SelectClashSource,
-    operator.ExecuteIfcClash,
-    operator.SelectIfcClashResults,
+    operator.SelectClash,
    operator.SelectClashResults,
+    operator.SelectClashSource,
+    operator.SelectIfcClashResults,
+    operator.SelectSmartGroup,
    operator.SelectSmartGroupedClashesPath,
    operator.SmartClashGroup,
-    operator.SelectSmartGroup,
-    operator.LoadSmartGroupsForActiveClashSet,
+    prop.Clash,
    prop.ClashSource,
    prop.ClashSet,
    prop.SmartClashGroup,
    prop.BIMClashProperties,
    ui.BIM_PT_ifcclash,
    ui.BIM_PT_clash_manager,
+    ui.BIM_PT_dumb_clash_manager,
+    ui.BIM_PT_smart_clash_manager,
+    ui.BIM_UL_clashes,
    ui.BIM_UL_clash_sets,
    ui.BIM_UL_smart_groups,
 )
@@ -23,9 +23,10 @@ import bmesh
 import logging
 import numpy as np
 import ifcopenshell
-from mathutils import Matrix
+from mathutils import Matrix, Vector
 from math import radians
 from blenderbim.bim.ifc import IfcStore
+import blenderbim.tool as tool


 class ExportClashSets(bpy.types.Operator):
@@ -222,6 +223,7 @@ class ExecuteIfcClash(bpy.types.Operator):
        _, extension = os.path.splitext(self.filepath)
        if extension != ".json":
            self.filepath = bpy.path.ensure_ext(self.filepath, ".bcf")
+
        settings = ifcclash.ClashSettings()
        settings.output = self.filepath
        settings.logger = logging.getLogger("Clash")
@@ -230,12 +232,30 @@ class ExecuteIfcClash(bpy.types.Operator):

        if context.scene.BIMClashProperties.should_create_clash_snapshots:

-            def get_viewpoint_snapshot(viewpoint, mat):
+            def get_viewpoint_snapshot(viewpoint):
                camera = bpy.data.objects.get("IFC Clash Camera")
                if not camera:
                    camera = bpy.data.objects.new("IFC Clash Camera", bpy.data.cameras.new("IFC Clash Camera"))
                    context.scene.collection.objects.link(camera)
-                camera.matrix_world = Matrix(mat)
+
+                bcf_camera = viewpoint.visualization_info.perspective_camera
+                p = bcf_camera.camera_view_point
+                z = bcf_camera.camera_direction
+                z = Vector([z.x, z.y, z.z]) * -1
+                y = bcf_camera.camera_up_vector
+                y = Vector([y.x, y.y, y.z])
+                x = y.cross(z)
+
+                mat = Matrix(
+                    [
+                        [x[0], y[0], z[0], p.x],
+                        [x[1], y[1], z[1], p.y],
+                        [x[2], y[2], z[2], p.z],
+                        [0, 0, 0, 0],
+                    ]
+                )
+
+                camera.matrix_world = mat
                context.scene.camera = camera
                camera.data.angle = radians(60)
                area = next(area for area in context.screen.areas if area.type == "VIEW_3D")
@@ -246,7 +266,8 @@ class ExecuteIfcClash(bpy.types.Operator):
                context.scene.render.image_settings.file_format = "PNG"
                context.scene.render.filepath = os.path.join(context.scene.BIMProperties.data_dir, "snapshot.png")
                bpy.ops.render.opengl(write_still=True)
-                return context.scene.render.filepath
+                with open(context.scene.render.filepath, "rb") as f:
+                    return ("snapshot.png", f.read())

            clasher.get_viewpoint_snapshot = get_viewpoint_snapshot

@@ -318,12 +339,132 @@ class SelectIfcClashResults(bpy.types.Operator):
            else:
                element_file = self.file

-            element = element_file.by_id(obj.BIMObjectProperties.ifc_definition_id)
-            if element.GlobalId in global_ids:
+            try:
+                element = element_file.by_id(obj.BIMObjectProperties.ifc_definition_id)
+            except:
+                continue
+
+            global_id = getattr(element, "GlobalId", None)
+            if not global_id:
+                continue
+            if global_id in global_ids:
                obj.select_set(True)
        return {"FINISHED"}


+class LoadIfcClashes(bpy.types.Operator):
+    bl_idname = "bim.load_ifc_clashes"
+    bl_label = "Load IFC Clashes"
+    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Load the clashing IFC geometry stored in a file"
+    filename_ext = ".json"
+    filepath: bpy.props.StringProperty(subtype="FILE_PATH")
+
+    def invoke(self, context, event):
+        self.filepath = bpy.path.ensure_ext(bpy.data.filepath, ".json")
+        WindowManager = context.window_manager
+        WindowManager.fileselect_add(self)
+        return {"RUNNING_MODAL"}
+
+    def execute(self, context):
+        self.file = IfcStore.get_file()
+        self.filepath = bpy.path.ensure_ext(self.filepath, ".json")
+        with open(self.filepath) as f:
+            clash_sets_json = json.load(f)
+        active_clash_set = context.scene.BIMClashProperties.active_clash_set
+
+        for clash_set in clash_sets_json:
+            if not "clashes" in clash_set.keys():
+                self.report({"WARNING"}, "No clashes found for the selected Clash Set.")
+                return {"CANCELLED"}
+            active_clash_set.clashes.clear()
+            for clash in clash_set["clashes"].values():
+                blender_clash = active_clash_set.clashes.add()
+                blender_clash.a_global_id = clash["a_global_id"]
+                blender_clash.b_global_id = clash["b_global_id"]
+                blender_clash.a_name = "{}/{}".format(clash["a_ifc_class"], clash["a_name"])
+                blender_clash.b_name = "{}/{}".format(clash["b_ifc_class"], clash["b_name"])
+                blender_clash.status = False if not "status" in clash.keys() else clash["status"]
+        return {"FINISHED"}
+
+
+class SaveIfcClashes(bpy.types.Operator):
+    bl_idname = "bim.save_ifc_clashes"
+    bl_label = "Save IFC Clashes"
+    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Save the clashing IFC geometry stored in a file"
+    filename_ext = ".json"
+    filepath: bpy.props.StringProperty(subtype="FILE_PATH")
+
+    def invoke(self, context, event):
+        self.filepath = bpy.path.ensure_ext(bpy.data.filepath, ".json")
+        WindowManager = context.window_manager
+        WindowManager.fileselect_add(self)
+        return {"RUNNING_MODAL"}
+
+    def execute(self, context):
+        self.file = IfcStore.get_file()
+        self.filepath = bpy.path.ensure_ext(self.filepath, ".json")
+        clash_sets_json = self.load_json()
+        active_clash_set = context.scene.BIMClashProperties.active_clash_set
+        self.update_clash_sets(clash_sets_json, active_clash_set)
+        self.save_json(clash_sets_json)
+        return {"FINISHED"}
+
+    def load_json(self):
+        with open(self.filepath) as f:
+            return json.load(f)
+
+    def update_clash_sets(self, clash_sets_json, active_clash_set):
+        for clash_set in clash_sets_json:
+            if clash_set["name"] != active_clash_set.name or "clashes" not in clash_set.keys():
+                continue
+            for clash in active_clash_set.clashes:
+                clash_key = clash.a_global_id + "-" + clash.b_global_id
+                if clash_set.get("clashes", {}).get(clash_key, None) is not None:
+                    clash_set["clashes"][clash_key]["status"] = clash.status
+
+    def save_json(self, clash_sets_json):
+        with open(self.filepath, "w") as destination:
+            json.dump(clash_sets_json, destination, indent=4)
+
+
+class SelectClash(bpy.types.Operator):
+    bl_idname = "bim.select_clash"
+    bl_label = "Select Clash"
+    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Select the clashing IFC geometry stored in a file"
+    index: bpy.props.IntProperty()
+
+    def execute(self, context):
+        clash = context.scene.BIMClashProperties.active_clash
+
+        products = []
+        linked_objects = []
+        try:
+            products.append(tool.Ifc.get().by_guid(clash.a_global_id))
+        except:
+            linked_objects.append(clash.a_name)
+        try:
+            products.append(tool.Ifc.get().by_guid(clash.b_global_id))
+        except:
+            linked_objects.append(clash.b_name)
+
+        tool.Spatial.select_products(products, unhide=True)
+        print(linked_objects)
+        for obj_name in linked_objects:
+            obj = bpy.data.objects.get(obj_name)
+            if obj:
+                obj.select_set(True)
+            else:
+                print("Object not found:", obj_name)
+        if context.scene.BIMClashProperties.sould_focus_on_clash:
+            context_override = tool.Blender.get_viewport_context()
+            with bpy.context.temp_override(**context_override):
+                bpy.ops.view3d.view_selected()
+        return {"FINISHED"}
+
+
 class SmartClashGroup(bpy.types.Operator):
    bl_idname = "bim.smart_clash_group"
    bl_label = "Smart Group Clashes"
@@ -408,9 +549,9 @@ class LoadSmartGroupsForActiveClashSet(bpy.types.Operator):
                    new_group = context.scene.BIMClashProperties.smart_clash_groups.add()
                    new_group.number = f"{smart_group}"
                    for pair in global_id_pairs:
-                        for id in pair:
+                        for guid in pair:
                            new_global_id = new_group.global_ids.add()
-                            new_global_id.name = id
+                            new_global_id.guid = guid

        return {"FINISHED"}

@@ -425,20 +566,16 @@ class SelectSmartGroup(bpy.types.Operator):
        return IfcStore.get_file() and context.visible_objects and context.scene.BIMClashProperties.active_smart_group

    def execute(self, context):
-        self.file = IfcStore.get_file()
-        # Select smart group in view
        selected_smart_group = context.scene.BIMClashProperties.active_smart_group
-        # print(selected_smart_group.number)
-
-        for obj in context.visible_objects:
-            if not obj.BIMObjectProperties.ifc_definition_id:
+        products = []
+        for global_id in selected_smart_group.global_ids:
+            try:
+                products.append(tool.Ifc.get().by_guid(global_id.guid))
+            except:
                continue
-            element = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
-            for id in selected_smart_group.global_ids:
-                # print("Id: ", id)
-                # print("Global id: ", element.GlobalId)
-                if element.GlobalId in id.name:
-                    # print("object match: ", global_id)
-                    obj.select_set(True)
-
+        tool.Spatial.select_products(products, unhide=True)
+        context_override = tool.Blender.get_viewport_context()
+        with bpy.context.temp_override(**context_override):
+            bpy.ops.view3d.view_selected()
        return {"FINISHED"}
+
@@ -43,11 +43,20 @@ class ClashSource(PropertyGroup):
    )


+class Clash(PropertyGroup):
+    a_global_id: StringProperty(name="A")
+    b_global_id: StringProperty(name="B")
+    a_name: StringProperty(name="A Name")
+    b_name: StringProperty(name="B Name")
+    status: BoolProperty(name="Status", default=False)
+
+
 class ClashSet(PropertyGroup):
    name: StringProperty(name="Name")
    tolerance: FloatProperty(name="Tolerance")
    a: CollectionProperty(name="Group A", type=ClashSource)
    b: CollectionProperty(name="Group B", type=ClashSource)
+    clashes: CollectionProperty(name="Clashes", type=Clash)


 class SmartClashGroup(PropertyGroup):
@@ -63,11 +72,13 @@ class BIMClashProperties(PropertyGroup):
    clash_results_path: StringProperty(name="Clash Results Path")
    smart_grouped_clashes_path: StringProperty(name="Smart Grouped Clashes Path")
    active_clash_set_index: IntProperty(name="Active Clash Set Index")
+    active_clash_index: IntProperty(name="Active Clash Index")
    smart_clash_groups: CollectionProperty(name="Smart Clash Groups", type=SmartClashGroup)
    active_smart_group_index: IntProperty(name="Active Smart Group Index")
    smart_clash_grouping_max_distance: IntProperty(
        name="Smart Clash Grouping Max Distance", default=3, soft_min=1, soft_max=10
    )
+    sould_focus_on_clash: BoolProperty(name="Show Focus Clash", default=False)

    @property
    def active_clash_set(self):
@@ -80,3 +91,9 @@ class BIMClashProperties(PropertyGroup):
        if not self.smart_clash_groups:
            return None
        return self.smart_clash_groups[self.active_smart_group_index]
+
+    @property
+    def active_clash(self):
+        if not self.active_clash_set:
+            return None
+        return self.active_clash_set.clashes[self.active_clash_index]
@@ -21,13 +21,13 @@ from bpy.types import Panel


 class BIM_PT_ifcclash(Panel):
-    bl_label = "IFC Clash Sets"
+    bl_label = "Clash Sets"
    bl_idname = "BIM_PT_ifcclash"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"
-    bl_parent_id = "BIM_PT_quality_control"
+    bl_parent_id = "BIM_PT_tab_clash_detection"

    def draw(self, context):
        layout = self.layout
@@ -102,9 +102,46 @@ class BIM_PT_clash_manager(Panel):
    bl_idname = "BIM_PT_clash_manager"
    bl_label = "Clash Manager"
    bl_options = {"DEFAULT_CLOSED"}
-    bl_space_type = "VIEW_3D"
-    bl_region_type = "UI"
-    bl_category = "BlenderBIM"
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "scene"
+    bl_parent_id = "BIM_PT_tab_clash_detection"
+
+    def draw(self, context):
+        pass
+
+
+class BIM_PT_dumb_clash_manager(Panel):
+    bl_idname = "BIM_PT_dumb_clash_manager"
+    bl_label = "Dumb Manager"
+    bl_options = {"DEFAULT_CLOSED"}
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "scene"
+    bl_parent_id = "BIM_PT_clash_manager"
+
+    def draw(self, context):
+        layout = self.layout
+        props = context.scene.BIMClashProperties
+
+        row = layout.row(align=True)
+        row.operator("bim.load_ifc_clashes", text="LOAD IFC CLASHES", icon="IMPORT")
+        row.operator("bim.save_ifc_clashes", text="SAVE CLASH RESULTS", icon="EXPORT")
+        layout.template_list("BIM_UL_clashes", "", props.active_clash_set, "clashes", props, "active_clash_index")
+        # bim.select_clash
+        row = layout.row(align=True)
+        row.operator("bim.select_clash", text="SELECT CLASH", icon="IMPORT")
+        row.prop(props, "sould_focus_on_clash", icon="RESTRICT_VIEW_OFF")
+
+
+class BIM_PT_smart_clash_manager(Panel):
+    bl_idname = "BIM_PT_smart_clash_manager"
+    bl_label = "Smart Clash Manager"
+    bl_options = {"DEFAULT_CLOSED"}
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "scene"
+    bl_parent_id = "BIM_PT_clash_manager"

    def draw(self, context):
        layout = self.layout
@@ -155,3 +192,14 @@ class BIM_UL_smart_groups(bpy.types.UIList):
            layout.label(text=str(item.number), translate=False, icon="NONE", icon_value=0)
        else:
            layout.label(text="", translate=False)
+
+
+class BIM_UL_clashes(bpy.types.UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
+        if item:
+            row = layout.row(align=True)
+            row.label(text=str(item.a_name), translate=False, icon="NONE", icon_value=0)
+            row.label(text=str(item.b_name), translate=False, icon="NONE", icon_value=0)
+            row.prop(item, "status", text="")
+        else:
+            layout.label(text="", translate=False)
@@ -21,13 +21,21 @@ from . import ui, prop, operator

 classes = (
    operator.AddClassification,
+    operator.AddClassificationFromBSDD,
    operator.AddClassificationReference,
+    operator.AddClassificationReferenceFromBSDD,
+    operator.AddManualClassification,
+    operator.AddManualClassificationReference,
    operator.ChangeClassificationLevel,
+    operator.DisableAddingManualClassification,
+    operator.DisableAddingManualClassificationReference,
    operator.DisableEditingClassification,
    operator.DisableEditingClassificationReference,
    operator.DisableEditingClassificationReferences,
    operator.EditClassification,
    operator.EditClassificationReference,
+    operator.EnableAddingManualClassification,
+    operator.EnableAddingManualClassificationReference,
    operator.EnableEditingClassification,
    operator.EnableEditingClassificationReference,
    operator.LoadClassificationLibrary,
@@ -73,6 +73,10 @@ class ReferencesData:
        if name in [e.Name for e in tool.Ifc.get().by_type("IfcClassification")]:
            return name

+    @classmethod
+    def classifications(cls):
+        return [(str(e.id()), e.Name, "") for e in tool.Ifc.get().by_type("IfcClassification")]
+

 class ClassificationReferencesData(ReferencesData):
    data = {}
@@ -83,6 +87,8 @@ class ClassificationReferencesData(ReferencesData):
        cls.is_loaded = True
        cls.data["references"] = cls.references()
        cls.data["active_classification_library"] = cls.active_classification_library()
+        cls.data["classifications"] = cls.classifications()
+        cls.data["object_type"] = "OBJECT"

    @classmethod
    def references(cls):
@@ -105,6 +111,8 @@ class MaterialClassificationsData(ReferencesData):
        cls.is_loaded = True
        cls.data["references"] = cls.references()
        cls.data["active_classification_library"] = cls.active_classification_library()
+        cls.data["classifications"] = cls.classifications()
+        cls.data["object_type"] = "MATERIAL"

    @classmethod
    def references(cls):
@@ -127,6 +135,8 @@ class CostClassificationsData(ReferencesData):
        cls.is_loaded = True
        cls.data["references"] = cls.references()
        cls.data["active_classification_library"] = cls.active_classification_library()
+        cls.data["classifications"] = cls.classifications()
+        cls.data["object_type"] = "COST"

    @classmethod
    def references(cls):
@@ -54,6 +54,120 @@ class AddClassification(bpy.types.Operator, tool.Ifc.Operator):
        )


+class AddManualClassification(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.add_manual_classification"
+    bl_label = "Add Manual Classification"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def _execute(self, context):
+        props = context.scene.BIMClassificationProperties
+        attributes = blenderbim.bim.helper.export_attributes(props.classification_attributes)
+        classification = ifcopenshell.api.run(
+            "classification.add_classification", tool.Ifc.get(), classification="Unnamed"
+        )
+        ifcopenshell.api.run(
+            "classification.edit_classification", tool.Ifc.get(), classification=classification, attributes=attributes
+        )
+        props.is_adding = False
+
+
+class AddManualClassificationReference(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.add_manual_classification_reference"
+    bl_label = "Add Manual Classification Reference"
+    bl_options = {"REGISTER", "UNDO"}
+    obj_type: bpy.props.StringProperty()
+
+    def _execute(self, context):
+        obj = context.active_object
+        props = obj.BIMClassificationReferenceProperties
+        attributes = blenderbim.bim.helper.export_attributes(props.reference_attributes)
+        product = tool.Ifc.get_entity(obj)
+        # TODO: refactor and support material and cost item classifications
+        classification = tool.Ifc.get().by_id(int(props.classifications))
+        reference = ifcopenshell.api.run(
+            "classification.add_reference",
+            tool.Ifc.get(),
+            product=product,
+            classification=classification,
+            identification="X",
+            name="Unnamed",
+        )
+        ifcopenshell.api.run(
+            "classification.edit_reference", tool.Ifc.get(), reference=reference, attributes=attributes
+        )
+        props.is_adding = False
+
+
+class AddClassificationFromBSDD(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.add_classification_from_bsdd"
+    bl_label = "Add Classification From bSDD"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def _execute(self, context):
+        props = context.scene.BIMBSDDProperties
+        domain = [d for d in props.domains if d.name == props.active_domain][0]
+        for element in tool.Ifc.get().by_type("IfcClassification"):
+            if element.Name == props.active_domain or element.Location == domain.uri:
+                return
+        classification = ifcopenshell.api.run(
+            "classification.add_classification", tool.Ifc.get(), classification=props.active_domain
+        )
+        classification.Source = domain.organization_name_owner
+        classification.Location = domain.uri
+        classification.Edition = domain.version
+
+
+class EnableAddingManualClassification(bpy.types.Operator):
+    bl_idname = "bim.enable_adding_manual_classification"
+    bl_label = "Enable Adding Manual Classification"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        props = context.scene.BIMClassificationProperties
+        props.is_adding = True
+        props.active_classification_id = 0
+        props.classification_attributes.clear()
+        blenderbim.bim.helper.import_attributes2("IfcClassification", props.classification_attributes)
+        return {"FINISHED"}
+
+
+class DisableAddingManualClassification(bpy.types.Operator):
+    bl_idname = "bim.disable_adding_manual_classification"
+    bl_label = "Disable Adding Manual Classification"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        props = context.scene.BIMClassificationProperties
+        props.is_adding = False
+        return {"FINISHED"}
+
+
+class EnableAddingManualClassificationReference(bpy.types.Operator):
+    bl_idname = "bim.enable_adding_manual_classification_reference"
+    bl_label = "Enable Adding Manual Classification Reference"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        obj = context.active_object
+        props = obj.BIMClassificationReferenceProperties
+        props.is_adding = True
+        props.reference_attributes.clear()
+        blenderbim.bim.helper.import_attributes2("IfcClassificationReference", props.reference_attributes)
+        return {"FINISHED"}
+
+
+class DisableAddingManualClassificationReference(bpy.types.Operator):
+    bl_idname = "bim.disable_adding_manual_classification_reference"
+    bl_label = "Disable Adding Manual Classification Reference"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        obj = context.active_object
+        props = obj.BIMClassificationReferenceProperties
+        props.is_adding = False
+        return {"FINISHED"}
+
+
 class EnableEditingClassification(bpy.types.Operator):
    bl_idname = "bim.enable_editing_classification"
    bl_label = "Enable Editing Classification"
@@ -175,21 +289,23 @@ class RemoveClassificationReference(bpy.types.Operator, tool.Ifc.Operator):
        else:
            objects = [self.obj]

-        identification = tool.Ifc.get().by_id(self.reference)[0]
+        active_reference = tool.Ifc.get().by_id(self.reference)
+        identification = active_reference[1]

        for obj in objects:
            ifc_definition_id = blenderbim.bim.helper.get_obj_ifc_definition_id(context, obj, self.obj_type)
            element = tool.Ifc.get().by_id(ifc_definition_id)
            references = ifcopenshell.util.classification.get_references(element, should_inherit=False)
            for reference in references:
-                if reference[0] == identification:
+                if (identification and reference[1] == identification) or (
+                    not identification and reference == active_reference
+                ):
                    ifcopenshell.api.run(
                        "classification.remove_reference",
                        tool.Ifc.get(),
                        reference=reference,
                        product=element,
                    )
-                    break


 class EditClassificationReference(bpy.types.Operator, tool.Ifc.Operator):
@@ -254,6 +370,85 @@ class AddClassificationReference(bpy.types.Operator, tool.Ifc.Operator):
            )


+class AddClassificationReferenceFromBSDD(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.add_classification_reference_from_bsdd"
+    bl_label = "Add Classification Reference From bSDD"
+    bl_options = {"REGISTER", "UNDO"}
+    obj: bpy.props.StringProperty()
+    obj_type: bpy.props.StringProperty()
+
+    def _execute(self, context):
+        if self.obj_type == "Object":
+            if context.selected_objects:
+                objects = [o.name for o in context.selected_objects]
+            else:
+                objects = [context.active_object.name]
+        else:
+            objects = [self.obj]
+        props = context.scene.BIMClassificationProperties
+        bprops = context.scene.BIMBSDDProperties
+
+        bsdd_classification = bprops.classifications[bprops.active_classification_index]
+
+        classification = None
+        for element in tool.Ifc.get().by_type("IfcClassification"):
+            if (
+                element.Name == bsdd_classification.domain_name
+                or element.Location == bsdd_classification.domain_namespace_uri
+            ):
+                classification = element
+                break
+
+        if not classification:
+            classification = ifcopenshell.api.run(
+                "classification.add_classification", tool.Ifc.get(), classification=bsdd_classification.domain_name
+            )
+            classification.Location = bsdd_classification.domain_namespace_uri
+
+        for obj in objects:
+            ifc_definition_id = blenderbim.bim.helper.get_obj_ifc_definition_id(context, obj, self.obj_type)
+            if not ifc_definition_id:
+                continue
+            element = tool.Ifc.get().by_id(ifc_definition_id)
+            reference = ifcopenshell.api.run(
+                "classification.add_reference",
+                tool.Ifc.get(),
+                product=element,
+                classification=classification,
+                identification=bsdd_classification.reference_code,
+                name=bsdd_classification.name,
+            )
+            reference.Location = bsdd_classification.uri
+
+            for classification_pset in bprops.classification_psets:
+                is_pset = not classification_pset.name.startswith("Qto_")
+
+                if is_pset:
+                    pset = ifcopenshell.util.element.get_pset(element, classification_pset.name, psets_only=True)
+                else:
+                    pset = ifcopenshell.util.element.get_pset(element, classification_pset.name, qtos_only=True)
+
+                if pset:
+                    pset = tool.Ifc.get().by_id(pset["id"])
+                elif is_pset:
+                    pset = ifcopenshell.api.run(
+                        "pset.add_pset", tool.Ifc.get(), product=element, name=classification_pset.name
+                    )
+                else:
+                    pset = ifcopenshell.api.run(
+                        "pset.add_qto", tool.Ifc.get(), product=element, name=classification_pset.name
+                    )
+
+                properties = {}
+                for prop in classification_pset.properties:
+                    properties[prop.name] = prop.get_value()
+
+                if is_pset:
+                    ifcopenshell.api.run("pset.edit_pset", tool.Ifc.get(), pset=pset, properties=properties)
+                else:
+                    ifcopenshell.api.run("pset.edit_qto", tool.Ifc.get(), qto=pset, properties=properties)
+
+
 class ChangeClassificationLevel(bpy.types.Operator):
    bl_idname = "bim.change_classification_level"
    bl_label = "Change Classification Level"
@@ -17,9 +17,10 @@
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.

 import bpy
+import blenderbim.bim.helper
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.prop import StrProperty, Attribute
-from blenderbim.bim.module.classification.data import ClassificationsData
+from blenderbim.bim.module.classification.data import ClassificationsData, ClassificationReferencesData
 from bpy.types import PropertyGroup
 from bpy.props import (
    PointerProperty,
@@ -39,6 +40,12 @@ def get_available_classifications(self, context):
    return ClassificationsData.data["available_classifications"]


+def get_classifications(self, context):
+    if not ClassificationReferencesData.is_loaded:
+        ClassificationReferencesData.load()
+    return ClassificationReferencesData.data["classifications"]
+
+
 class ClassificationReference(PropertyGroup):
    name: StringProperty(name="Name")
    identification: StringProperty(name="Identification")
@@ -48,6 +55,16 @@ class ClassificationReference(PropertyGroup):


 class BIMClassificationProperties(PropertyGroup):
+    is_adding: BoolProperty(name="Is Adding", default=False)
+    classification_source: EnumProperty(
+        items=[
+            ("FILE", "IFC File", ""),
+            ("BSDD", "buildingSMART Data Dictionary", ""),
+            ("MANUAL", "Manual Entry", ""),
+        ],
+        name="Classification Source",
+        default="FILE",
+    )
    available_classifications: EnumProperty(items=get_available_classifications, name="Available Classifications")
    classification_attributes: CollectionProperty(name="Classification Attributes", type=Attribute)
    active_classification_id: IntProperty(name="Active Classification Id")
@@ -57,5 +74,7 @@ class BIMClassificationProperties(PropertyGroup):


 class BIMClassificationReferenceProperties(PropertyGroup):
+    is_adding: BoolProperty(name="Is Adding", default=False)
+    classifications: EnumProperty(items=get_classifications, name="Classifications")
    reference_attributes: CollectionProperty(name="Reference Attributes", type=Attribute)
    active_reference_id: IntProperty(name="Active Reference Id")
@@ -30,13 +30,13 @@ from blenderbim.bim.module.classification.data import (


 class BIM_PT_classifications(Panel):
-    bl_label = "IFC Classifications"
+    bl_label = "Classifications"
    bl_idname = "BIM_PT_classifications"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"
-    bl_parent_id = "BIM_PT_project_setup"
+    bl_parent_id = "BIM_PT_tab_project_setup"

    @classmethod
    def poll(cls, context):
@@ -48,6 +48,48 @@ class BIM_PT_classifications(Panel):

        self.props = context.scene.BIMClassificationProperties

+        row = self.layout.row(align=True)
+        row.label(text="Source", icon="OUTLINER")
+        row.prop(self.props, "classification_source", text="")
+
+        if self.props.classification_source == "FILE":
+            self.draw_add_file_ui(context)
+        elif self.props.classification_source == "BSDD":
+            self.draw_add_bsdd_ui(context)
+        elif self.props.classification_source == "MANUAL":
+            self.draw_add_manual_ui(context)
+
+        for classification in ClassificationsData.data["classifications"]:
+            if self.props.active_classification_id == classification["id"]:
+                self.draw_editable_ui()
+            else:
+                self.draw_ui(classification)
+
+    def draw_add_manual_ui(self, context):
+        if self.props.is_adding:
+            blenderbim.bim.helper.draw_attributes(self.props.classification_attributes, self.layout)
+            row = self.layout.row(align=True)
+            row.operator("bim.add_manual_classification", text="Save", icon="CHECKMARK")
+            row.operator("bim.disable_adding_manual_classification", text="", icon="CANCEL")
+        else:
+            row = self.layout.row()
+            row.operator("bim.enable_adding_manual_classification", text="Add Classification", icon="ADD")
+
+    def draw_add_bsdd_ui(self, context):
+        self.bprops = context.scene.BIMBSDDProperties
+
+        if not self.bprops.active_domain:
+            row = self.layout.row()
+            row.label(text="No Active bSDD Domain", icon="ERROR")
+            return
+
+        row = self.layout.row()
+        row.label(text="Active: " + self.bprops.active_domain, icon="URL")
+
+        row = self.layout.row()
+        row.operator("bim.add_classification_from_bsdd", icon="ADD")
+
+    def draw_add_file_ui(self, context):
        if ClassificationsData.data["has_classification_file"]:
            row = self.layout.row(align=True)
            row.prop(self.props, "available_classifications", text="")
@@ -58,12 +100,6 @@ class BIM_PT_classifications(Panel):
            row.label(text="No Active Classification Library")
            row.operator("bim.load_classification_library", text="", icon="IMPORT")

-        for classification in ClassificationsData.data["classifications"]:
-            if self.props.active_classification_id == classification["id"]:
-                self.draw_editable_ui()
-            else:
-                self.draw_ui(classification)
-
    def draw_editable_ui(self):
        row = self.layout.row(align=True)
        row.operator("bim.edit_classification", text="Save changes", icon="CHECKMARK")
@@ -84,6 +120,7 @@ class ReferenceUI:
        obj = context.active_object
        self.oprops = obj.BIMObjectProperties
        self.sprops = context.scene.BIMClassificationProperties
+        self.bprops = context.scene.BIMBSDDProperties
        self.props = obj.BIMClassificationReferenceProperties
        self.file = IfcStore.get_file()

@@ -100,14 +137,85 @@ class ReferenceUI:
                self.draw_reference_ui(reference)

    def draw_add_ui(self, context):
+        row = self.layout.row(align=True)
+        row.label(text="Source", icon="OUTLINER")
+        row.prop(self.sprops, "classification_source", text="")
+
+        if self.sprops.classification_source == "FILE":
+            self.draw_add_file_ui(context)
+        elif self.sprops.classification_source == "BSDD":
+            self.draw_add_bsdd_ui(context)
+        elif self.sprops.classification_source == "MANUAL":
+            self.draw_add_manual_ui(context)
+
+    def draw_add_manual_ui(self, context):
+        row = self.layout.row()
+        row.prop(self.props, "classifications", text="")
+        if self.props.is_adding:
+            blenderbim.bim.helper.draw_attributes(self.props.reference_attributes, self.layout)
+            row = self.layout.row(align=True)
+            op = row.operator("bim.add_manual_classification_reference", text="Save", icon="CHECKMARK")
+            op.type = self.data.data["object_type"]
+            row.operator("bim.disable_adding_manual_classification_reference", text="", icon="CANCEL")
+        else:
+            row = self.layout.row()
+            row.operator("bim.enable_adding_manual_classification_reference", text="Add Reference", icon="ADD")
+
+    def draw_add_bsdd_ui(self, context):
+        if not self.bprops.active_domain:
+            row = self.layout.row()
+            row.label(text="No Active bSDD Domain", icon="ERROR")
+            return
+
+        row = self.layout.row()
+        row.label(text="Active: " + self.bprops.active_domain, icon="URL")
+
+        row = self.layout.row(align=True)
+        row.prop(self.bprops, "keyword", text="")
+        row.operator("bim.search_bsdd_classifications", text="", icon="VIEWZOOM")
+
+        row = self.layout.row()
+        row.prop(self.bprops, "should_filter_ifc_class")
+
+        if len(self.bprops.classifications):
+            self.layout.template_list(
+                "BIM_UL_bsdd_classifications",
+                "",
+                self.bprops,
+                "classifications",
+                self.bprops,
+                "active_classification_index",
+            )
+        else:
+            row = self.layout.row()
+            row.label(text="No Search Results")
+
+        if self.bprops.active_classification_index < len(self.bprops.classifications):
+            row = self.layout.row(align=True)
+            op = row.operator(
+                "bim.add_classification_reference_from_bsdd", text="Add Classification Reference", icon="ADD"
+            )
+            op.obj = self.obj
+            op.obj_type = self.obj_type
+            row.operator("bim.get_bsdd_classification_properties", text="", icon="COPY_ID")
+
+            if len(self.bprops.classification_psets):
+                for pset in self.bprops.classification_psets:
+                    box = self.layout.box()
+                    row = box.row()
+                    row.label(text=pset.name, icon="COPY_ID")
+                    blenderbim.bim.helper.draw_attributes(pset.properties, box)
+
+    def draw_add_file_ui(self, context):
        if not self.data.data["active_classification_library"]:
            row = self.layout.row(align=True)
-            row.label(text="No Active Classification Library")
+            row.label(text="No Active Classification Library", icon="ERROR")
            row.operator("bim.load_classification_library", text="", icon="IMPORT")
            return
+
        row = self.layout.row(align=True)
        row.label(text=f"Active Classification Library: {self.data.data['active_classification_library']}")
-        #row.prop(self.sprops, "available_classifications", text="")
+        # row.prop(self.sprops, "available_classifications", text="")
        if not self.sprops.available_library_references:
            op = row.operator("bim.change_classification_level", text="", icon="GREASEPENCIL")
            op.parent_id = int(self.sprops.available_classifications)
@@ -146,6 +254,8 @@ class ReferenceUI:
            name = reference["Identification"] or "No Identification"
        row.label(text=name, icon="ASSET_MANAGER")
        row.label(text=reference["Name"] or "")
+        if reference["Location"]:
+            row.operator("bim.open_uri", icon="URL", text="").uri = reference["Location"]
        if not self.props.active_reference_id:
            op = row.operator("bim.enable_editing_classification_reference", text="", icon="GREASEPENCIL")
            op.reference = reference["id"]
@@ -156,13 +266,13 @@ class ReferenceUI:


 class BIM_PT_classification_references(Panel, ReferenceUI):
-    bl_label = "IFC Classification References"
+    bl_label = "Classification References"
    bl_idname = "BIM_PT_classification_references"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "object"
-    bl_parent_id = "BIM_PT_object_metadata"
+    bl_parent_id = "BIM_PT_tab_object_metadata"

    @classmethod
    def poll(cls, context):
@@ -180,7 +290,7 @@ class BIM_PT_classification_references(Panel, ReferenceUI):


 class BIM_PT_material_classifications(Panel, ReferenceUI):
-    bl_label = "IFC Material Classifications"
+    bl_label = "Material Classifications"
    bl_idname = "BIM_PT_material_classifications"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
@@ -206,7 +316,7 @@ class BIM_PT_material_classifications(Panel, ReferenceUI):


 class BIM_PT_cost_classifications(Panel, ReferenceUI):
-    bl_label = "IFC Cost Classifications"
+    bl_label = "Cost Classifications"
    bl_idname = "BIM_PT_cost_classifications"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
@@ -1,124 +0,0 @@
-# BlenderBIM Add-on - OpenBIM Blender Add-on
-# Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
-#
-# This file is part of BlenderBIM Add-on.
-#
-# BlenderBIM Add-on is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# BlenderBIM Add-on is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
-
-import bpy
-import os
-import logging
-import ifcopenshell
-import json
-import webbrowser
-import tempfile
-from blenderbim.bim.ifc import IfcStore
-
-
-class SelectCobieIfcFile(bpy.types.Operator):
-    bl_idname = "bim.select_cobie_ifc_file"
-    bl_label = "Select COBie IFC File"
-    bl_options = {"REGISTER", "UNDO"}
-    filepath: bpy.props.StringProperty(subtype="FILE_PATH")
-
-    def execute(self, context):
-        context.scene.COBieProperties.cobie_ifc_file = self.filepath
-        return {"FINISHED"}
-
-    def invoke(self, context, event):
-        context.window_manager.fileselect_add(self)
-        return {"RUNNING_MODAL"}
-
-
-class SelectCobieJsonFile(bpy.types.Operator):
-    bl_idname = "bim.select_cobie_json_file"
-    bl_label = "Select COBie JSON File"
-    bl_options = {"REGISTER", "UNDO"}
-    filepath: bpy.props.StringProperty(subtype="FILE_PATH")
-
-    def execute(self, context):
-        context.scene.COBieProperties.cobie_json_file = self.filepath
-        return {"FINISHED"}
-
-    def invoke(self, context, event):
-        context.window_manager.fileselect_add(self)
-        return {"RUNNING_MODAL"}
-
-
-class ExecuteIfcCobie(bpy.types.Operator):
-    bl_idname = "bim.execute_ifc_cobie"
-    bl_label = "Execute IFCCOBie"
-    file_format: bpy.props.StringProperty()
-
-    @classmethod
-    def poll(cls, context):
-        props = context.scene.COBieProperties
-        return props.should_load_from_memory or props.cobie_ifc_file
-
-    def execute(self, context):
-        from cobie import IfcCobieParser
-
-        props = context.scene.COBieProperties
-
-        if props.should_load_from_memory:
-            output_dir = tempfile.gettempdir()
-        else:
-            output_dir = os.path.dirname(props.cobie_ifc_file)
-
-        output = os.path.join(output_dir, "output")
-        logger = logging.getLogger("IFCtoCOBie")
-        fh = logging.FileHandler(os.path.join(output_dir, "cobie.log"))
-        fh.setLevel(logging.DEBUG)
-        fh.setFormatter(logging.Formatter("%(asctime)s : %(levelname)s : %(message)s"))
-        logger = logging.getLogger("IFCtoCOBie")
-        logger.addHandler(fh)
-        selector = ifcopenshell.util.selector.Selector()
-        if props.cobie_json_file:
-            with open(props.cobie_json_file, "r") as f:
-                custom_data = json.load(f)
-        else:
-            custom_data = {}
-        parser = IfcCobieParser(logger, selector)
-
-        ifc_file = IfcStore.get_file()
-
-        if not (ifc_file and props.should_load_from_memory):
-            ifc_file = props.cobie_ifc_file
-
-        parser.parse(
-            ifc_file,
-            props.cobie_types,
-            props.cobie_components,
-            custom_data,
-        )
-        if self.file_format == "xlsx":
-            from cobie import CobieXlsWriter
-
-            writer = CobieXlsWriter(parser, output)
-            writer.write()
-            webbrowser.open("file://" + output + "." + self.file_format)
-        elif self.file_format == "ods":
-            from cobie import CobieOdsWriter
-
-            writer = CobieOdsWriter(parser, output)
-            writer.write()
-            webbrowser.open("file://" + output + "." + self.file_format)
-        else:
-            from cobie import CobieCsvWriter
-
-            writer = CobieCsvWriter(parser, output_dir)
-            writer.write()
-            webbrowser.open("file://" + output_dir)
-        webbrowser.open("file://" + output_dir + "/cobie.log")
-        return {"FINISHED"}
@@ -23,13 +23,13 @@ from blenderbim.bim.module.constraint.data import ConstraintsData, ObjectConstra


 class BIM_PT_constraints(Panel):
-    bl_label = "IFC Constraints"
+    bl_label = "Constraints"
    bl_idname = "BIM_PT_constraints"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"
-    bl_parent_id = "BIM_PT_project_setup"
+    bl_parent_id = "BIM_PT_tab_project_setup"

    @classmethod
    def poll(cls, context):
@@ -68,14 +68,14 @@ class BIM_PT_constraints(Panel):


 class BIM_PT_object_constraints(Panel):
-    bl_label = "IFC Constraints"
+    bl_label = "Constraints"
    bl_idname = "BIM_PT_object_constraints"
    bl_options = {"DEFAULT_CLOSED"}
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "object"
    bl_order = 1
-    bl_parent_id = "BIM_PT_misc_object"
+    bl_parent_id = "BIM_PT_tab_misc"

    @classmethod
    def poll(cls, context):
--- a/Show More
+++ b/Show More