mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Clean up README
This new proposed readme makes it more obvious to readers that there is a large collection of tools available, a brief glance of what they do, and directs users to the dedicated websites and documentation for further instructions on installation and so on.
This commit is contained in:
Dion Moult
committed by
Thomas Krijnen
Thomas Krijnen
parent
f0e4397ef9
commit
38f6b7aca0
@@ -1,13 +1,22 @@
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IfcOpenShell
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IfcOpenShell
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============
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============
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IfcOpenShell is an open source ([LGPL]) software library for working with the Industry Foundation Classes ([IFC])
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file format. Extensive geometric support is implemented for the IFC releases [IFC2x3 TC1] and [IFC4 Add2 TC1].
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Support for parsing is provided for IFC4x1, IFC4x2, and the IFC4x3 release candidates. Extending with support for
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arbitrary IFC schemas is possible at compile-time when using C++ and at run-time when using Python.
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For more information, see
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IfcOpenShell is an open source ([LGPL]) software library for working with Industry Foundation Classes ([IFC]). Complete
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* [http://ifcopenshell.org](http://ifcopenshell.org)
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parsing support is provided for [IFC2x3 TC1], [IFC4 Add2 TC1], IFC4x1, IFC4x3, and IFC4x3. Extensive geometric support
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* [http://academy.ifcopenshell.org](http://academy.ifcopenshell.org)
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is implemented for the IFC releases [IFC2x3 TC1] and [IFC4 Add2 TC1]. Extending with support for arbitrary IFC schemas
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is possible at compile-time when using C++ and at run-time when using Python.
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IfcOpenShell comes with an ecosystem of tools, notably including IfcConvert (an application to convert IFC models to
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other formats), the BlenderBIM Add-on (an add-on to Blender providing a graphical IFC authoring platform), and many
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other libraries, CLI apps, and more. Support is also provided for auxiliary standards such as BCF and IDS.
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For more information, see:
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* [IfcOpenShell Website](http://ifcopenshell.org)
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* [IfcOpenShell Documentation](http://blenderbim.org/docs-python)
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* [BlenderBIM Add-on Website](https://blenderbim.org)
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* [BlenderBIM Add-on Documentation](http://blenderbim.org/docs)
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| Service | Status |
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| Service | Status |
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| ----------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
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| ----------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
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@@ -19,307 +28,41 @@ For more information, see
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| Sponsor development on OpenCollective | [](https://opencollective.com/opensourcebim/) |
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| Sponsor development on OpenCollective | [](https://opencollective.com/opensourcebim/) |
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| Docker hub | [](https://hub.docker.com/r/aecgeeks/ifcopenshell) |
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| Docker hub | [](https://hub.docker.com/r/aecgeeks/ifcopenshell) |
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Prerequisites
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Contents
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-------------
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--------
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* Git
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* CMake (3.1.3 or newer)
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* Windows: [Visual Studio] 2008 to 2019 (2022 not yet supported by dependency CMake) with C++ toolset (or [Visual C++ Build Tools]) or [MSYS2] + MinGW
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* *nix: GCC 4.7 or newer, or Clang (any version)
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Dependencies
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-------------
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* [Boost](http://www.boost.org/)
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* [Open Cascade](https://dev.opencascade.org/) - *optional*, but required for building IfcGeom
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([official](https://dev.opencascade.org/release), "OCCT", or [community edition](https://github.com/tpaviot/oce), "OCE")
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For converting IFC representation items into BRep solids and tessellated meshes
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* [OpenCOLLADA](https://github.com/khronosGroup/OpenCOLLADA/) - *optional*
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For IfcConvert to be able to write tessellated Collada (.dae) files
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* [SWIG](http://www.swig.org/) and [Python](https://www.python.org/) - *optional*
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For building the IfcOpenShell Python interface and the Blender add-on
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* [3ds Max SDK](http://www.autodesk.com/products/3ds-max/free-trial) - *optional*
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For building the 3ds Max plug-in.
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All recent versions of 3ds Max (2014 and newer) are 64-bit only, so a 64-bit installation is assumed.
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Building IfcOpenShell
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---------------------
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Note 1: The path where the source code is cloned to can contain spaces but non-ASCII characters are very likely to cause problems with the build.
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Note 2: If you had not used `git clone --recursive https://github.com/IfcOpenShell/IfcOpenshell.git`, update the submodules by running `git submodule init & git submodule update`.
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Note 3: Be careful with special characters is the path when using the nix or win build scripts, because the OpenCASCADE build will fail on paths containing ++ and likely other situations.
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### Compiling on Windows
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The preferred way to fetch and build this project's dependencies is to use the build scripts
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in win/ folder. **See [win/readme.md] for more information**.
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#### Using Visual Studio
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Instructions in a nutshell (**assuming Visual Studio 2015 x64 environment variables set**):
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> cd IfcOpenShell\win
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> build-deps.cmd
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> run-cmake.bat
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NB: `build-deps.cmd` need to be ran from the directory containing it, i.e. the `./win` folder.
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You can now open and build the solution file in Visual Studio:
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> ..\build-vs2015-x64\IfcOpenShell.sln
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As the scripts default to using the `RelWithDebInfo` configuration, and a freshly created solution by CMake defaults
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to `Debug`, make sure to switch the used build configuration. Build the `INSTALL` project (right-click -> Project
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Only) to deploy the headers and binaries into a single location if wanted/needed.
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Alternatively, one can use the utility batch file(s) to build and install the project easily from the command-line
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(installing a project will build it also, if required):
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> install-ifcopenshell.bat
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#### Using MSYS2 + MinGW
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Start the MSYS2 Shell and then:
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$ cd IfcOpenShell/win
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$ ./build-deps.sh
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$ ./run-cmake.sh
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$ ./install-ifcopenshell.sh
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#### Using Bash on Ubuntu on Windows
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Start Bash on Ubuntu on Windows and follow the instructions below. Compiling on Ubuntu 14.04.4 LTS using GCC 4.8.4
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or Clang 3.5 has been confirmed to work.
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### Compiling on *nix
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The following instructions are for Ubuntu, modify as required for other operating systems. [nix/build-all.py] script
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can be experimented with and studied for pointers for other operating systems, but note that this script is not currently
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meant to be used for a typical IfcOpenShell workspace setup.
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Note 1: It is recommended to use OCCT for IfcOpenShell. You could use OCE as well, but sometimes it may lag behind OCCT and
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therefore not compile with the latest IfcOpenShell.
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Note 2: where `make -j` is written, add a number roughly equal to the amount of CPU cores + 1.
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**1)** Install most of the prerequisites and dependencies:
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$ sudo apt-get install git cmake gcc g++ libboost-all-dev libcgal-dev
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**2a)** Either use an OCCT package from your operating system's software repository
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$ sudo apt-get install libocct-data-exchange-dev libocct-draw-dev libocct-foundation-dev libocct-modeling-algorithms-dev libocct-modeling-data-dev libocct-ocaf-dev libocct-visualization-dev
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**2b)** or, if OCCT is not available or the latest code is wanted, obtain and compile OCCT from https://dev.opencascade.org/release
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**2c)** or, if you'd like to try using OCE, use the package from your operating system's software repository
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$ sudo apt-get install liboce-foundation-dev liboce-modeling-dev liboce-ocaf-dev liboce-visualization-dev liboce-ocaf-lite-dev
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**2d)** or if OCE is not available, or the latest code is wanted, compile OCE yourself (note that the build takes a long time)
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$ sudo apt-get install libftgl-dev libtbb2 libtbb-dev libgl1-mesa-dev libfreetype6-dev
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$ git clone https://github.com/tpaviot/oce.git
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$ cd oce
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$ mkdir build && cd build
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$ cmake ..
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$ make -j
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$ sudo make install
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**3)** For building IfcConvert with COLLADA (.dae) support (on by default), OpenCOLLADA is needed:
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$ sudo apt-get install libpcre3-dev libxml2-dev
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$ git clone https://github.com/KhronosGroup/OpenCOLLADA.git
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$ cd OpenCOLLADA
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Using a known good revision, but HEAD should work too:
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$ git checkout 064a60b65c2c31b94f013820856bc84fb1937cc6
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$ mkdir build && cd build
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$ cmake ..
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$ make -j
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$ sudo make install
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**4)** For building the IfcPython wrapper (on by default), SWIG and Python development are needed, if not already available:
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$ sudo apt-get install python-all-dev swig
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**5)** To build IfcOpenShell please take the following steps. Alternatively use environment variables for setting the
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dependencies' paths. `OCC_INCLUDE_DIR` might be needed to set also. `OPENCOLLADA_INCLUDE_DIR` and `OPENCOLLADA_LIBRARY_DIR`
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(and potentially `PCRE_LIBRARY_DIR`) are needed if building with COLLADA support. (`-DCOLLADA_SUPPORT=0` disables it).
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$ cd /path/to/IfcOpenShell
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$ mkdir build && cd build
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$ cmake ../cmake -DOCC_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu/ \
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-DOPENCOLLADA_INCLUDE_DIR="/usr/local/include/opencollada" \
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-DOPENCOLLADA_LIBRARY_DIR="/usr/local/lib/opencollada" \
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-DPCRE_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu/ \
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-DCGAL_INCLUDE_DIR=/usr/include \
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-DGMP_INCLUDE_DIR=/usr/include \
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-DMPFR_INCLUDE_DIR=/usr/include \
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-DGMP_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu \
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-DMPFR_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu \
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-DHDF5_SUPPORT=Off
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$ make -j
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If all worked out correctly you can now use IfcOpenShell. See the examples below.
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**6)** Install the project if wanted:
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$ sudo make install
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### Installing on MacOS Using Homebrew
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**1)** Install all dependencies using [Homebrew](https://brew.sh/)
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```{shell}
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$ brew install boost cmake python3 cgal ftgl gmp libaec opencascade swig hdf5 zlib
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# homebrew automatically links most libraries, except some keg-only ones
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$ brew link zlib --force
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```
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**2)** Clone the git repo and its submodules
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```{shell}
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$ git clone --recurse-submodules https://github.com/IfcOpenShell/IfcOpenShell.git
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```
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**3)** Build IfcOpenShell with flags for Homebrew dependencies: (``/usr/local/``) for Intel machines with x84_64 architecture,
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(``/opt/homebrew/``) for Apple Silicon processors with arm64 architecture.
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```{shell}
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$ cd /path/to/IfcOpenShell
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$ mkdir build && cd build
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# set library flags
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$ export LDFLAGS="$LDFLAGS -Wl,-flat_namespace,-undefined,suppress"
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$ cmake ../cmake
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-DPYTHON_EXECUTABLE=/opt/homebrew/bin/python3.10 \
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-DPYTHON_LIBRARY=/opt/homebrew/opt/python@3.10/Frameworks/Python.framework/Versions/3.10/lib/libpython3.10.dylib \
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-DPYTHON_INCLUDE_DIR=/opt/homebrew/opt/python@3.10/Frameworks/Python.framework/Versions/3.10/include/python3.10/ \
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-DOCC_LIBRARY_DIR=/opt/homebrew/lib/ \
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-DOCC_INCLUDE_DIR=/opt/homebrew/include/opencascade/ \
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-DCGAL_INCLUDE_DIR=/opt/homebrew/include/ \
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-DGMP_LIBRARY_DIR=/opt/homebrew/lib/ \
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-DMPFR_LIBRARY_DIR=/opt/homebrew/lib/ \
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-DHDF5_LIBRARY_DIR=/opt/homebrew/lib/ \
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-DHDF5_INCLUDE_DIR=/opt/homebrew/include/ \
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-DCOLLADA_SUPPORT=0
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# `sysctl -n hw.ncpu` returns the number of cpu cores on macOS
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$ make -j$(sysctl -n hw.ncpu)
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```
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Note: Make sure to compile using the XCode provided Apple Clang compiler, installed with `xcode-select --install
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`, rather than a ```brew``` installed C/C++ compiler.
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Installing IfcOpenShell with Conda
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----------------------------------
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Another option for building and installing IfcOpenShell is to use the popular
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[Anaconda Python Distribution](https://www.anaconda.com/download).
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The requirements are spread across a number of channels.
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You can add these channels to your configuration, or specify them all on the command line:
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$ conda install -c conda-forge -c oce -c dlr-sc -c ifcopenshell ifcopenshell
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Usage examples
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--------------
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**Invoking IfcConvert from the command line**
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$ wget -O duplex.zip https://portal.nibs.org/files/wl/\?id=4DsTgHFQAcOXzFetxbpRCECPbbfUqpgo
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$ unzip duplex.zip
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$ ./IfcConvert Duplex_A_20110907_optimized.ifc
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$ less Duplex_A_20110907_optimized.obj
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**Using the IfcOpenShell Python interface**
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$ wget -O duplex.zip https://portal.nibs.org/files/wl/\?id=4DsTgHFQAcOXzFetxbpRCECPbbfUqpgo
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$ unzip duplex.zip
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$ python
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>>> import ifcopenshell
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>>> f = ifcopenshell.open("Duplex_A_20110907_optimized.ifc")
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>>>
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>>> # Accessing entity instances by type:
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>>> f.by_type("ifcwall")[:2]
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[#91=IfcWallStandardCase('2O2Fr$t4X7Zf8NOew3FL9r',#1,'Basic Wall:Interior - Partition (92mm Stud):144586',$,'Basic Wall:Interior - Partition (92mm Stud):128360',#5198,#18806,'144586'), #92=IfcWallStandardCase('2O2Fr$t4X7Zf8NOew3FLIE',#1,'Basic Wall:Interior - Partition (92mm Stud):143921',$,'Basic Wall:Interior - Partition (92mm Stud):128360',#5206,#18805,'143921')]
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>>> wall = _[0]
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>>> len(wall) # number of EXPRESS attributes
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8
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>>>
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>>> # Accessing EXPRESS attributes by name:
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>>> wall.GlobalId
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'2O2Fr$t4X7Zf8NOew3FL9r'
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>>> wall.Name = "My wall"
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>>> wall.NonExistingAttr
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Traceback (most recent call last):
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File "<stdin>", line 1, in <module>
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File ".\ifcopenshell.py", line 14, in __getattr__
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except: raise AttributeError("entity instance of type '%s' has no attribute'%s'"%(self.wrapped_data.is_a(), name)) from None
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AttributeError: entity instance of type 'IfcWallStandardCase' has no attribute 'NonExistingAttr'
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>>> wall.GlobalId = 3
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Traceback (most recent call last):
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File "<stdin>", line 1, in <module>
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File ".\ifcopenshell.py", line 26, in __setattr__
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self[self.wrapped_data.get_argument_index(key)] = value
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File ".\ifcopenshell.py", line 30, in __setitem__
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self.wrapped_data.set_argument(idx, entity_instance.map_value(value))
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File ".\ifc_wrapper.py", line 118, in <lambda>
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set_argument = lambda self,x,y: self._set_argument(x) if y is None else self
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._set_argument(x,y)
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File ".\ifc_wrapper.py", line 114, in _set_argument
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def _set_argument(self, *args): return _ifc_wrapper.entity_instance__set_argument(self, *args)
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RuntimeError: INT is not a valid type for 'GlobalId'
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>>> # Creating new entity instances
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>>> f.createIfcCartesianPoint(Coordinates=(1.0,1.5,2.0))
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#27530=IfcCartesianPoint((1.,1.5,2.))
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>>>
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>>> # Working with GlobalId attributes:
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>>> import uuid
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>>> ifcopenshell.guid.compress(uuid.uuid1().hex)
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'3x4C8Q_6qHuv$P$FYkANRX'
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>>> new_guid = _
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>>> owner_hist = f.by_type("IfcOwnerHistory")[0]
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>>> new_wall = f.createIfcWallStandardCase(new_guid, owner_hist, None, None, Tag='my_tag')
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>>> new_wall.ObjectType = ''
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>>> new_wall.ObjectPlacement = new_wall.Representation = None
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>>>
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>>> # Accessing entity instances by instance id or GlobalId:
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>>> f[92]
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#92=IfcWallStandardCase('2O2Fr$t4X7Zf8NOew3FLIE',#1,'Basic Wall:Interior - Partition (92mm Stud):143921',$,'Basic Wall:Interior - Partition (92mm Stud):128360',#5206,#18805,'143921')
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>>> f['2O2Fr$t4X7Zf8NOew3FLIE']
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#92=IfcWallStandardCase('2O2Fr$t4X7Zf8NOew3FLIE',#1,'Basic Wall:Interior - Partition (92mm Stud):143921',$,'Basic Wall:Interior - Partition (92mm Stud):128360',#5206,#18805,'143921')
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>>>
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>>> # Writing IFC-SPF files to disk:
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>>> f.write("out.ifc")
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Extra tools
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||||||
-----------
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|
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Also available are a series of utilities that are based on or related to IfcOpenShell.
|
|
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|
||||||
Those marked with an asterisk are part of IfcOpenShell.
|
Those marked with an asterisk are part of IfcOpenShell.
|
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|
|
||||||
| Name | License |
|
| Name | Description | License |
|
||||||
| ------------------------- | ------------------- |
|
| ------------------------- | ----------------------------------------------------------------------| ------------------- |
|
||||||
| bcf | LGPL-3.0-or-later |
|
| bcf | Library to read and write BCF-XML and query OpenCDE BCF-API modules | LGPL-3.0-or-later |
|
||||||
| blenderbim | GPL-3.0-or-later |
|
| blenderbim | Add-on to Blender providing a graphical native IFC authoring platform | GPL-3.0-or-later |
|
||||||
| bsdd | LGPL-3.0-or-later |
|
| bsdd | Library to query the bSDD API | LGPL-3.0-or-later |
|
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| ifc2ca | LGPL-3.0-or-later |
|
| ifc2ca | Utility to convert IFC structural analysis models to Code_Aster | LGPL-3.0-or-later |
|
||||||
| ifc4d | LGPL-3.0-or-later |
|
| ifc4d | Convert to and from IFC and project management software | LGPL-3.0-or-later |
|
||||||
| ifc5d | LGPL-3.0-or-later |
|
| ifc5d | Report and optimise cost information from IFC | LGPL-3.0-or-later |
|
||||||
| ifcbimtester | LGPL-3.0-or-later |
|
| ifcbimtester | Wrapper for Gherkin based unit testing for IFC models | LGPL-3.0-or-later |
|
||||||
| ifcblender | LGPL-3.0-or-later\* |
|
| ifcblender | Historic Blender IFC import add-on | LGPL-3.0-or-later\* |
|
||||||
| ifccityjson | LGPL-3.0-or-later |
|
| ifccityjson | Convert CityJSON to IFC | LGPL-3.0-or-later |
|
||||||
| ifcclash | LGPL-3.0-or-later |
|
| ifcclash | Clash detection library and CLI app | LGPL-3.0-or-later |
|
||||||
| ifccobie | LGPL-3.0-or-later |
|
| ifccobie | Extract IFC data for COBie handover requirements | LGPL-3.0-or-later |
|
||||||
| ifcconvert | LGPL-3.0-or-later\* |
|
| ifcconvert | CLI app to convert IFC to many other formats | LGPL-3.0-or-later\* |
|
||||||
| ifccsv | LGPL-3.0-or-later |
|
| ifccsv | Library and CLI app to export and import schedules from IFC | LGPL-3.0-or-later |
|
||||||
| ifcdiff | LGPL-3.0-or-later |
|
| ifcdiff | Compare changes between IFC models | LGPL-3.0-or-later |
|
||||||
| ifcfm | LGPL-3.0-or-later |
|
| ifcfm | Extract IFC data for FM handover requirements | LGPL-3.0-or-later |
|
||||||
| ifcgeom | LGPL-3.0-or-later\* |
|
| ifcgeom | Internal library for IfcOpenShell | LGPL-3.0-or-later\* |
|
||||||
| ifcgeom\_schema\_agnostic | LGPL-3.0-or-later\* |
|
| ifcgeom\_schema\_agnostic | Internal library for IfcOpenShell | LGPL-3.0-or-later\* |
|
||||||
| ifcgeomserver | LGPL-3.0-or-later\* |
|
| ifcgeomserver | Internal library for IfcOpenShell | LGPL-3.0-or-later\* |
|
||||||
| ifcjni | LGPL-3.0-or-later\* |
|
| ifcjni | Internal library for IfcOpenShell | LGPL-3.0-or-later\* |
|
||||||
| ifcmax | LGPL-3.0-or-later\* |
|
| ifcmax | Historic extension for IFC support in 3DS Max | LGPL-3.0-or-later\* |
|
||||||
| ifcopenshell-python | LGPL-3.0-or-later\* |
|
| ifcopenshell-python | Python library for IFC manipulation | LGPL-3.0-or-later\* |
|
||||||
| ifcparse | LGPL-3.0-or-later\* |
|
| ifcparse | Internal library for IfcOpenShell | LGPL-3.0-or-later\* |
|
||||||
| ifcpatch | LGPL-3.0-or-later |
|
| ifcpatch | Utility to run pre-packaged scripts to manipulate IFCs | LGPL-3.0-or-later |
|
||||||
| ifcsverchok | GPL-3.0-or-later |
|
| ifcsverchok | Blender Add-on for visual node programming with IFC | GPL-3.0-or-later |
|
||||||
| ifcwrap | LGPL-3.0-or-later\* |
|
| ifctester | Library, CLI and webapp for IDS model auditing | LGPL-3.0-or-later |
|
||||||
| qtviewer | LGPL-3.0-or-later\* |
|
| ifcwrap | Internal library for IfcOpenShell | LGPL-3.0-or-later\* |
|
||||||
| serializers | LGPL-3.0-or-later\* |
|
| qtviewer | Internal library for IfcOpenShell | LGPL-3.0-or-later\* |
|
||||||
|
| serializers | Internal library for IfcOpenShell | LGPL-3.0-or-later\* |
|
||||||
|
|
||||||
[LGPL]: https://github.com/IfcOpenShell/IfcOpenShell/tree/master/COPYING.LESSER "LGPL-3.0-or-later"
|
[LGPL]: https://github.com/IfcOpenShell/IfcOpenShell/tree/master/COPYING.LESSER "LGPL-3.0-or-later"
|
||||||
[IFC]: https://technical.buildingsmart.org/standards/ifc/ "IFC"
|
[IFC]: https://technical.buildingsmart.org/standards/ifc/ "IFC"
|
||||||
|
|||||||
Reference in New Issue
Block a user