Backspace everything regarding HDF5

2026-08-10 09:48:32 +00:00 · 2026-05-08 16:20:26 +02:00
parent bd436765bf
commit 554c7174e3
66 changed files with 50 additions and 1928 deletions
@@ -31,7 +31,7 @@ jobs:
        sudo apt-get install --no-install-recommends \
        git cmake gcc g++ libboost-all-dev python3-all-dev swig libpcre3-dev libxml2-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 nlohmann-json3-dev libeigen3-dev
+        libcgal-dev nlohmann-json3-dev libeigen3-dev

    -
      name: ccache
@@ -60,7 +60,6 @@ jobs:
         -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 \
         -DGLTF_SUPPORT=On \
         -DJSON_INCLUDE_DIR=/usr/include \
         -DEIGEN_DIR=/usr/include/eigen3 \
@@ -76,7 +76,7 @@ jobs:
          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 \
          ${OCCT_CMAKE_DEPS} \
-          libhdf5-dev libcgal-dev libeigen3-dev
+          libcgal-dev libeigen3-dev
          
      - name: ccache
        uses: hendrikmuhs/ccache-action@v1.2.22
@@ -36,7 +36,7 @@ jobs:
          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 opencollada-dev
+          libcgal-dev opencollada-dev
          
      - name: Build
        env:
@@ -64,7 +64,6 @@ jobs:
           -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 \
           -DOPENCOLLADA_INCLUDE_DIR=/usr/include/opencollada \
           -DOPENCOLLADA_LIBRARY_DIR=/usr/lib/opencollada/ \
           ../cmake
@@ -27,7 +27,7 @@ RUN echo "deb http://archive.ubuntu.com/ubuntu focal-proposed main restricted" |
                    libboost-all-dev \
                    libocct-foundation-dev libocct-modeling-algorithms-dev libocct-modeling-data-dev \
                    libocct-ocaf-dev libocct-visualization-dev libocct-data-exchange-dev \
-                    libhdf5-serial-dev python3-pytest ; \
+                    python3-pytest ; \
    rm -rf /var/lib/apt/lists/* ; 

 COPY . /home/IfcOpenShell/
@@ -16,7 +16,6 @@ cmake ../cmake \
  -DWITH_OPENCASCADE=ON \
  -DWITH_CGAL=ON \
  -DWITH_MANIFOLD=ON \
-  -DHDF5_SUPPORT=OFF \
  -DGLTF_SUPPORT=ON \
  -DIFCXML_SUPPORT=OFF \
  -DCOLLADA_SUPPORT=OFF \
@@ -91,7 +91,6 @@ option(WITH_CGAL "Enable geometry interpretation using CGAL" ON)
 option(WITH_MANIFOLD "Enable geometry interpretation using Manifold" OFF)
 option(COLLADA_SUPPORT "Build IfcConvert with COLLADA support (requires OpenCOLLADA)." ON)
 option(GLTF_SUPPORT "Build IfcConvert with glTF support (requires json.hpp)." OFF)
-option(HDF5_SUPPORT "Enable HDF5 support (requires HDF5, zlib)" ON)
 option(WITH_PROJ "Enable output of Earth-Centered Earth-Fixed glTF output using the PROJ library" OFF)
 option(USD_SUPPORT "Build IfcConvert with USD support (requires pixar's USD library)." OFF)
 option(WITH_ROCKSDB "Support a RocksDB key-value store as a file backend in IfcOpenShell" OFF)
@@ -128,7 +127,6 @@ if(MINIMAL_BUILD)
    set(WITH_CGAL OFF)
    set(COLLADA_SUPPORT OFF)
    set(GLTF_SUPPORT OFF)
-    set(HDF5_SUPPORT OFF)
    set(USD_SUPPORT OFF)
 endif()

@@ -325,10 +323,6 @@ if(COLLADA_SUPPORT)
    find_package(OpenCOLLADA REQUIRED)
 endif()

-if(HDF5_SUPPORT)
-    find_package(HDF5 REQUIRED COMPONENTS C CXX)
-endif(HDF5_SUPPORT)
-
 if(ENABLE_BUILD_OPTIMIZATIONS)
    if(MSVC)
        # NOTE: RelWithDebInfo and Release use O2 (= /Ox /Gl /Gy/ = Og /Oi /Ot /Oy /Ob2 /Gs /GF /Gy) by default,
@@ -440,7 +434,7 @@ else()
 endif(MSVC)

 include_directories(${INCLUDE_DIRECTORIES}
-	${Boost_INCLUDE_DIRS} ${HDF5_INCLUDE_DIR}
+	${Boost_INCLUDE_DIRS}
    ${CGAL_INCLUDE_DIR} ${GMP_INCLUDE_DIR} ${MPFR_INCLUDE_DIR}
 )

@@ -737,7 +731,7 @@ endforeach(COMPONENT)

 set(CPACK_DEBIAN_PACKAGE_NAME "${PROJECT_NAME}")
 set(CPACK_DEBIAN_PACKAGE_MAINTAINER "${CPACK_PACKAGE_CONTACT}")
-set(CPACK_DEBIAN_PACKAGE_DEPENDS "python3, libxml2, libocct-foundation-dev, libocct-modeling-algorithms-dev, libocct-modeling-data-dev, libocct-ocaf-dev, libocct-visualization-dev, libocct-data-exchange-dev, libhdf5-serial-dev, libpython3-dev, python3-pytest ${BOOST_DEPS}")
+set(CPACK_DEBIAN_PACKAGE_DEPENDS "python3, libxml2, libocct-foundation-dev, libocct-modeling-algorithms-dev, libocct-modeling-data-dev, libocct-ocaf-dev, libocct-visualization-dev, libocct-data-exchange-dev, libpython3-dev, python3-pytest ${BOOST_DEPS}")
 set(CPACK_DEBIAN_PACKAGE_DESCRIPTION_SUMMARY "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}")
 set(CPACK_DEBIAN_PACKAGE_DESCRIPTION "${CPACK_PACKAGE_DESCRIPTION}")
 set(CPACK_DEBIAN_PACKAGE_PRIORITY "optional")
@@ -15,7 +15,6 @@
        "BUILD_CONVERT": "ON",
        "BUILD_IFCMAX": "OFF",
        "IFCXML_SUPPORT": "ON",
-        "HDF5_SUPPORT": "ON",
        "SCHEMA_VERSIONS": "4x3_add2",
        "CMAKE_GENERATOR_PLATFORM": "",
        "CMAKE_GENERATOR_TOOLSET": ""
@@ -50,8 +49,6 @@
        "MPFR_LIBRARY_DIR": "$env{LIBRARY_PREFIX}/lib",
        "Boost_LIBRARY_DIR": "$env{LIBRARY_PREFIX}/lib",
        "Boost_INCLUDE_DIR": "$env{LIBRARY_PREFIX}/include",
-        "HDF5_INCLUDE_DIR": "$env{LIBRARY_PREFIX}/include",
-        "HDF5_LIBRARY_DIR": "$env{LIBRARY_PREFIX}/lib",
        "ZLIB_INCLUDE_DIR": "$env{LIBRARY_PREFIX}/include"
      }
    },
@@ -110,4 +107,4 @@
      }
    }
  ]
-}
+}
@@ -6,7 +6,7 @@
 # - `GMP_LIBRARY_DIR`
 # - `MPFR_INCLUDE_DIR`
 # - `MPFR_LIBRARY_DIR`
-# If input variables are not specified, try to find HDF5 config.
+# If input variables are not specified, try to find CGAL config.
 # Input variables could also be provided as environment variables.
 #
 # Output targets:
@@ -1,109 +0,0 @@
-#
-# Input variables:
-# - `HDF5_INCLUDE_DIR`
-# - `HDF5_LIBRARY_DIR`
-# - `HDF5_LIBRARIES`
-# If input variables are not specified, try to find HDF5 config.
-# Input variables could also be provided as environment variables.
-#
-# Output variables:
-# - `HDF5_INCLUDE_DIR`
-# - `HDF5_LIBRARY_DIR`
-# - `HDF5_LIBRARIES`
-#
-
-UNIFY_ENVVARS_AND_CACHE(HDF5_INCLUDE_DIR)
-UNIFY_ENVVARS_AND_CACHE(HDF5_LIBRARY_DIR)
-UNIFY_ENVVARS_AND_CACHE(HDF5_LIBRARIES)
-
-# To avoid cyclic calls to this file
-list(REMOVE_ITEM CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR})
-
-if(NOT HDF5_INCLUDE_DIR)
-    message(STATUS "No HDF5 include directory specified")
-else()
-    set(HDF5_INCLUDE_DIR "${HDF5_INCLUDE_DIR}" CACHE FILEPATH "HDF5 header files")
-endif()
-
-if(NOT HDF5_LIBRARY_DIR)
-    message(STATUS "No HDF5 library directory specified")
-else()
-    set(HDF5_LIBRARY_DIR "${HDF5_LIBRARY_DIR}" CACHE FILEPATH "HDF5 library files")
-endif()
-
-if(HDF5_LIBRARY_DIR)
-    # result of the HDF5 ctest package
-    # Find zlib using cmake find_library. How should this be implemented?
-    # FIND_LIBRARY(NAMES z libz libz_debug PATHS ... NO_DEFAULT_PATH)
-    if(NOT DEFINED ENV{CONDA_BUILD})
-        # result of the HDF5 ctest package
-        if(WIN32)
-            set(zlib_post lib)
-            set(lib_ext lib)
-        else()
-            set(lib_ext a)
-        endif()
-
-        if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
-            set(debug_postfix "_debug")
-        endif()
-
-        set(HDF5_LIBRARIES
-            "${HDF5_LIBRARY_DIR}/libhdf5_cpp${debug_postfix}.${lib_ext}"
-            "${HDF5_LIBRARY_DIR}/libhdf5${debug_postfix}.${lib_ext}"
-            "${HDF5_LIBRARY_DIR}/libz${zlib_post}${debug_postfix}.${lib_ext}"
-            "${HDF5_LIBRARY_DIR}/libsz${debug_postfix}.${lib_ext}"
-            "${HDF5_LIBRARY_DIR}/libaec${debug_postfix}.${lib_ext}"
-        )
-    else()
-        message(STATUS "Packaging hdf5 and zlib for conda distribution")
-
-        if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-            # macOS
-            set(zlib_post libz)
-            set(lib_ext dylib)
-            set(HDF5_LIBRARIES
-                "${HDF5_LIBRARY_DIR}/libhdf5_cpp.${lib_ext}"
-                "${HDF5_LIBRARY_DIR}/libhdf5.${lib_ext}"
-                "${HDF5_LIBRARY_DIR}/${zlib_post}.${lib_ext}"
-            )
-        else()
-            # linux and windows
-            # Find HDF5 package
-            find_package(HDF5 REQUIRED COMPONENTS C CXX)
-            # Find ZLIB package
-            find_package(ZLIB REQUIRED)
-            # Include directories
-            include_directories(${HDF5_INCLUDE_DIRS} ${ZLIB_INCLUDE_DIRS})
-            # Link libraries
-            set(HDF5_LIBRARIES ${HDF5_LIBRARIES} ${ZLIB_LIBRARIES})
-            message(STATUS "HDF5 libraries: ${HDF5_LIBRARIES}")
-        endif()
-    endif()
-endif()
-
-if(NOT HDF5_INCLUDE_DIR OR NOT HDF5_LIBRARY_DIR)
-    # First try to find it as a config.
-    find_package(HDF5 CONFIG)
-    mark_as_advanced(HDF5_DIR)
-    if(HDF5_DIR)
-        message(STATUS "HDF5: found config at '${HDF5_DIR}'.")
-        set(HDF5_LIBRARIES hdf5_cpp-static)
-    else()
-        # If it failed, still try to find as a module.
-        # E.g. on Ubuntu `libhdf5-dev` doesn't provie hdf5-config.cmake.
-        # Will automatically fill HDF5_LIBRARIES and HDF5_INCLUDE_DIR.
-        find_package(HDF5 COMPONENTS CXX)
-        if(NOT HDF5_INCLUDE_DIR)
-            message(
-                FATAL_ERROR
-                "HDF5_INCLUDE_DIR is not provided (current value: '${HDF5_INCLUDE_DIR}'). "
-                "HDF5_LIBRARY_DIR is not provided (current value: '${HDF5_LIBRARY_DIR}'). "
-                "Also could not find HDF5 package (neither module or config)."
-            )
-        endif()
-    endif()
-endif()
-
-# Restore module path.
-list(PREPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR})
@@ -22,9 +22,6 @@ cmake -G "Ninja" ^
 -D GMP_LIBRARY_DIR:FILEPATH="%LIBRARY_PREFIX%\lib" ^
 -D MPFR_LIBRARY_DIR:FILEPATH="%LIBRARY_PREFIX%\lib" ^
 -D COLLADA_SUPPORT=OFF ^
- -D HDF5_SUPPORT=ON ^
- -D HDF5_INCLUDE_DIR="%LIBRARY_PREFIX%\include" ^
- -D HDF5_LIBRARY_DIR="%LIBRARY_PREFIX%\lib" ^
 -D JSON_INCLUDE_DIR="%LIBRARY_PREFIX%\include" ^
 -D PYTHON_INCLUDE_DIR=%PREFIX%\include ^
 -D PYTHON_EXECUTABLE:FILEPATH=%PREFIX%\python.exe ^
@@ -24,9 +24,6 @@ cmake ${CMAKE_ARGS} -G Ninja \
 -DMPFR_LIBRARY_DIR=$PREFIX/lib \
 -DOCC_INCLUDE_DIR=$PREFIX/include/opencascade \
 -DOCC_LIBRARY_DIR=$PREFIX/lib \
- -DHDF5_SUPPORT:BOOL=ON \
- -DHDF5_INCLUDE_DIR=$PREFIX/include \
- -DHDF5_LIBRARY_DIR=$PREFIX/lib \
 -DJSON_INCLUDE_DIR=$PREFIX/include \
 -DCGAL_INCLUDE_DIR=$PREFIX/include \
 -DLIBXML2_INCLUDE_DIR=$PREFIX/include/libxml2 \
@@ -46,4 +43,4 @@ ninja

 ninja install -j 1

-python "${RECIPE_DIR}/update_version_init.py" "${PKG_VERSION}" "${SP_DIR}/ifcopenshell/__init__.py"
+python "${RECIPE_DIR}/update_version_init.py" "${PKG_VERSION}" "${SP_DIR}/ifcopenshell/__init__.py"
@@ -26,8 +26,6 @@ c_stdlib_version:
  - 2.17    # [linux]
  - 10.13   # [osx and x86_64]
  - 11.0    # [osx and arm64]
-hdf5:
- 1.14.6
 libboost_devel:
 - '1.86'
 libxml2:
@@ -33,7 +33,6 @@ requirements:
    - occt
    - libxml2
    - cgal-cpp
-    - hdf5
    - eigen
    - mpfr
    - nlohmann_json
@@ -107,7 +107,6 @@ import logging
 import multiprocessing
 import os
 import platform
-import re
 import shutil

 # @todo temporary for expired mpfr.org certificate on 2023-04-08
@@ -153,7 +152,6 @@ PCRE_VERSION = "8.41"
 LIBXML2_VERSION = "2.13.8"
 SWIG_VERSION = "4.2.1"
 OPENCOLLADA_VERSION = "v1.6.68"
-HDF5_VERSION = "1.13.1"

 GMP_VERSION = "6.3.0"
 MPFR_VERSION = "3.1.6"  # latest is 4.1.0
@@ -331,7 +329,7 @@ cecho(""" - IFC Schemas to compile. If not provided, fallback to default provide
 """)

 dependency_tree: "dict[str, tuple[str, ...]]" = {
-    "IfcParse": ("boost", "libxml2", "hdf5", "rocksdb"),
+    "IfcParse": ("boost", "libxml2", "rocksdb"),
    "IfcGeom": ("IfcParse", "occ", "manifold", "json", "cgal", "eigen", "OpenCOLLADA"),
    "IfcConvert": ("IfcGeom",),
    "OpenCOLLADA": ("libxml2", "pcre"),
@@ -344,7 +342,6 @@ dependency_tree: "dict[str, tuple[str, ...]]" = {
    "occ": (),
    "pcre": (),
    "json": (),
-    "hdf5": (),
    "cgal": (),
    "eigen": (),
    "rocksdb": ("zstd",),
@@ -405,7 +402,6 @@ else:
 targets = set(t for t in targets if "without-%s" % t.lower() not in flags)
 if WASM:
    SKIP_TARGETS_FOR_WASM = {
-        "hdf5",
        "rocksdb",
        "opencollada",
        "swig",
@@ -633,7 +629,6 @@ def build_dependency(
    mode: Literal[
        "cmake",
        "autoconf",
-        "ctest",
        "bjam",
    ],
    build_tool_args: "list[str]",
@@ -740,23 +735,7 @@ def build_dependency(
    if shell is not None:
        sp.run(shell, shell=True, check=True, cwd=extract_dir)

-    if mode == "ctest":
-        try:
-            run(
-                ["ctest", "-S", "HDF5config.cmake,BUILD_GENERATOR=Unix", "-C", BUILD_CFG, "-V", "-O", "hdf5.log"],
-                cwd=extract_dir,
-            )
-        except Exception as e:
-            print("-" * 70)
-            print(open(os.path.join(extract_dir, "hdf5.log")))
-            print("-" * 70)
-            raise e
-        run([tar, "-xf", kwargs["ctest_result"] + ".tar.gz"], cwd=os.path.join(extract_dir, "build"))
-        shutil.copytree(
-            os.path.join(extract_dir, "build", kwargs["ctest_result"], kwargs["ctest_result_path"]),
-            os.path.join(DEPS_DIR, "install", name),
-        )
-    elif mode != "bjam":
+    if mode != "bjam":
        extract_build_dir = os.path.join(extract_dir, *([cmake_dir] if cmake_dir else []), "build")
        if os.path.exists(extract_build_dir):
            shutil.rmtree(extract_build_dir)
@@ -852,37 +831,6 @@ os.environ["LDFLAGS"] = LDFLAGS
 # @tfk: this is no longer needed
 # build_dependency(name="cmake-%s" % (CMAKE_VERSION,), mode="autoconf", build_tool_args=[], download_url="https://cmake.org/files/v%s" % (CMAKE_VERSION_2,), download_name="cmake-%s.tar.gz" % (CMAKE_VERSION,))

-if "hdf5" in targets:
-    # not supported
-    orig = [os.environ[f] for f in compiler_flags]
-    for f in compiler_flags:
-        os.environ[f] = re.sub(r"-flto(=\w+)?", "", os.environ[f])
-
-    HDF5_UNDERSCORE = "_".join(HDF5_VERSION.split("."))
-    HDF5_MAJOR = ".".join(HDF5_VERSION.split(".")[:-1])
-    dependency_name = f"hdf5-{HDF5_VERSION}"
-    build_dependency(
-        name=dependency_name,
-        mode="cmake",
-        build_tool_args=[
-            f"-DCMAKE_INSTALL_PREFIX={DEPS_DIR}/install/{dependency_name}",
-            "-DHDF5_ENABLE_Z_LIB_SUPPORT=OFF",
-            "-DBUILD_TESTING=OFF",
-            "-DHDF5_BUILD_TOOLS=OFF",
-            "-DHDF5_BUILD_EXAMPLES=OFF",
-            "-DBUILD_SHARED_LIBS=OFF",
-            "-DHDF5_BUILD_UTILS=OFF",
-            "-DHDF5_BUILD_CPP_LIB=ON",
-            *MAC_CROSS_COMPILE_INTEL_ARGS,
-        ],
-        download_url=f"https://github.com/HDFGroup/hdf5/archive/refs/tags/",
-        download_name=f"hdf5-{HDF5_UNDERSCORE}.tar.gz",
-    )
-
-    for f, o in zip(compiler_flags, orig):
-        os.environ[f] = o
-
-
 if "json" in targets:
    dependency_name = f"json-{JSON_VERSION}"
    build_dependency(
@@ -1412,11 +1360,6 @@ else:
 if "libxml2" in targets:
    cmake_args_prefix_path.append(f"{DEPS_DIR}/install/libxml2-{LIBXML2_VERSION}")

-if "hdf5" in targets:
-    cmake_args_prefix_path.append(f"{DEPS_DIR}/install/hdf5-{HDF5_VERSION}")
-else:
-    cmake_args.append("-DHDF5_SUPPORT=Off")
-
 if "usd" in targets:
    cmake_args.append("-DUSD_SUPPORT=ON")
    cmake_args_prefix_path.extend(
@@ -34,7 +34,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx-13.3.0-h9576a4e_1.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx_impl_linux-64-13.3.0-hdbfa832_1.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx_linux-64-13.3.0-h6834431_7.conda
-      - conda: https://conda.anaconda.org/conda-forge/linux-64/hdf5-1.14.4-nompi_h2d575fe_105.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/icu-75.1-he02047a_0.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/imath-3.1.12-h7955e40_0.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/jxrlib-1.1-hd590300_3.conda
@@ -149,7 +148,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/osx-64/freeimage-3.18.0-h7cd8ba8_22.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/freetype-2.12.1-h60636b9_2.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/gmp-6.3.0-hf036a51_2.conda
-      - conda: https://conda.anaconda.org/conda-forge/osx-64/hdf5-1.14.4-nompi_h1607680_105.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/icu-75.1-h120a0e1_0.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/imath-3.1.12-h2016aa1_0.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/jxrlib-1.1-h10d778d_3.conda
@@ -243,7 +241,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/win-64/freeimage-3.18.0-h8310ca0_22.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/freetype-2.12.1-hdaf720e_2.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/gmp-6.3.0-hfeafd45_2.conda
-      - conda: https://conda.anaconda.org/conda-forge/win-64/hdf5-1.14.4-nompi_hd5d9e70_105.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/imath-3.1.12-hbb528cf_0.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/intel-openmp-2024.2.1-h57928b3_1083.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/jxrlib-1.1-hcfcfb64_3.conda
@@ -349,7 +346,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx-13.3.0-h9576a4e_1.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx_impl_linux-64-13.3.0-hdbfa832_1.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx_linux-64-13.3.0-h6834431_7.conda
-      - conda: https://conda.anaconda.org/conda-forge/linux-64/hdf5-1.14.4-nompi_h2d575fe_105.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/icu-75.1-he02047a_0.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/imath-3.1.12-h7955e40_0.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/jxrlib-1.1-hd590300_3.conda
@@ -464,7 +460,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/osx-64/freeimage-3.18.0-h7cd8ba8_22.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/freetype-2.12.1-h60636b9_2.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/gmp-6.3.0-hf036a51_2.conda
-      - conda: https://conda.anaconda.org/conda-forge/osx-64/hdf5-1.14.4-nompi_h1607680_105.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/icu-75.1-h120a0e1_0.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/imath-3.1.12-h2016aa1_0.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/jxrlib-1.1-h10d778d_3.conda
@@ -558,7 +553,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/win-64/freeimage-3.18.0-h8310ca0_22.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/freetype-2.12.1-hdaf720e_2.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/gmp-6.3.0-hfeafd45_2.conda
-      - conda: https://conda.anaconda.org/conda-forge/win-64/hdf5-1.14.4-nompi_hd5d9e70_105.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/imath-3.1.12-hbb528cf_0.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/intel-openmp-2024.2.1-h57928b3_1083.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/jxrlib-1.1-hcfcfb64_3.conda
@@ -743,7 +737,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx-13.3.0-h9576a4e_1.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx_impl_linux-64-13.3.0-hdbfa832_1.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx_linux-64-13.3.0-h6834431_7.conda
-      - conda: https://conda.anaconda.org/conda-forge/linux-64/hdf5-1.14.4-nompi_h2d575fe_105.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/icu-75.1-he02047a_0.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/imath-3.1.12-h7955e40_0.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/jxrlib-1.1-hd590300_3.conda
@@ -858,7 +851,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/osx-64/freeimage-3.18.0-h7cd8ba8_22.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/freetype-2.12.1-h60636b9_2.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/gmp-6.3.0-hf036a51_2.conda
-      - conda: https://conda.anaconda.org/conda-forge/osx-64/hdf5-1.14.4-nompi_h1607680_105.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/icu-75.1-h120a0e1_0.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/imath-3.1.12-h2016aa1_0.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/jxrlib-1.1-h10d778d_3.conda
@@ -952,7 +944,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/win-64/freeimage-3.18.0-h8310ca0_22.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/freetype-2.12.1-hdaf720e_2.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/gmp-6.3.0-hfeafd45_2.conda
-      - conda: https://conda.anaconda.org/conda-forge/win-64/hdf5-1.14.4-nompi_hd5d9e70_105.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/imath-3.1.12-hbb528cf_0.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/intel-openmp-2024.2.1-h57928b3_1083.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/jxrlib-1.1-hcfcfb64_3.conda
@@ -1068,7 +1059,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx_impl_linux-64-14.3.0-he663afc_4.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/gxx_linux-64-14.3.0-ha7acb78_11.conda
      - conda: https://conda.anaconda.org/conda-forge/noarch/h2-4.3.0-pyhcf101f3_0.conda
-      - conda: https://conda.anaconda.org/conda-forge/linux-64/hdf5-1.14.6-nompi_h6e4c0c1_103.conda
      - conda: https://conda.anaconda.org/conda-forge/noarch/hpack-4.1.0-pyhd8ed1ab_0.conda
      - conda: https://conda.anaconda.org/conda-forge/noarch/hyperframe-6.1.0-pyhd8ed1ab_0.conda
      - conda: https://conda.anaconda.org/conda-forge/linux-64/icu-75.1-he02047a_0.conda
@@ -1239,7 +1229,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/osx-64/geos-3.13.1-h502464c_0.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/gmp-6.3.0-hf036a51_2.conda
      - conda: https://conda.anaconda.org/conda-forge/noarch/h2-4.3.0-pyhcf101f3_0.conda
-      - conda: https://conda.anaconda.org/conda-forge/osx-64/hdf5-1.14.6-nompi_hc8237f9_103.conda
      - conda: https://conda.anaconda.org/conda-forge/noarch/hpack-4.1.0-pyhd8ed1ab_0.conda
      - conda: https://conda.anaconda.org/conda-forge/noarch/hyperframe-6.1.0-pyhd8ed1ab_0.conda
      - conda: https://conda.anaconda.org/conda-forge/osx-64/icu-75.1-h120a0e1_0.conda
@@ -1380,7 +1369,6 @@ environments:
      - conda: https://conda.anaconda.org/conda-forge/win-64/geos-3.13.1-h9ea8674_0.conda
      - conda: https://conda.anaconda.org/conda-forge/win-64/gmp-6.3.0-hfeafd45_2.conda
      - conda: https://conda.anaconda.org/conda-forge/noarch/h2-4.3.0-pyhcf101f3_0.conda
-      - conda: https://conda.anaconda.org/conda-forge/win-64/hdf5-1.14.6-nompi_he30205f_103.conda
      - conda: https://conda.anaconda.org/conda-forge/noarch/hpack-4.1.0-pyhd8ed1ab_0.conda
      - conda: https://conda.anaconda.org/conda-forge/noarch/hyperframe-6.1.0-pyhd8ed1ab_0.conda
      - conda: https://conda.anaconda.org/conda-forge/noarch/idna-3.10-pyhd8ed1ab_1.conda
@@ -2990,106 +2978,6 @@ packages:
  - pkg:pypi/h2?source=compressed-mapping
  size: 95967
  timestamp: 1756364871835
- conda: https://conda.anaconda.org/conda-forge/linux-64/hdf5-1.14.4-nompi_h2d575fe_105.conda
-  sha256: 93d2bfc672f3ee0988d277ce463330a467f3686d3f7ee37812a3d8ca11776d77
-  md5: d76fff0092b6389a12134ddebc0929bd
-  depends:
-  - __glibc >=2.17,<3.0.a0
-  - libaec >=1.1.3,<2.0a0
-  - libcurl >=8.10.1,<9.0a0
-  - libgcc >=13
-  - libgfortran
-  - libgfortran5 >=13.3.0
-  - libstdcxx >=13
-  - libzlib >=1.3.1,<2.0a0
-  - openssl >=3.4.0,<4.0a0
-  license: BSD-3-Clause
-  license_family: BSD
-  size: 3950601
-  timestamp: 1733003331788
- conda: https://conda.anaconda.org/conda-forge/linux-64/hdf5-1.14.6-nompi_h6e4c0c1_103.conda
-  sha256: 4f173af9e2299de7eee1af3d79e851bca28ee71e7426b377e841648b51d48614
-  md5: c74d83614aec66227ae5199d98852aaf
-  depends:
-  - __glibc >=2.17,<3.0.a0
-  - libaec >=1.1.4,<2.0a0
-  - libcurl >=8.14.1,<9.0a0
-  - libgcc >=14
-  - libgfortran
-  - libgfortran5 >=14.3.0
-  - libstdcxx >=14
-  - libzlib >=1.3.1,<2.0a0
-  - openssl >=3.5.1,<4.0a0
-  license: BSD-3-Clause
-  license_family: BSD
-  purls: []
-  size: 3710057
-  timestamp: 1753357500665
- conda: https://conda.anaconda.org/conda-forge/osx-64/hdf5-1.14.4-nompi_h1607680_105.conda
-  sha256: 56500937894b1ca917e1ae1bea64b873a9eec57d581173579189d0b1f590db26
-  md5: 12ebafc40b10d4bf519e4c2074c52aef
-  depends:
-  - __osx >=10.13
-  - libaec >=1.1.3,<2.0a0
-  - libcurl >=8.10.1,<9.0a0
-  - libcxx >=18
-  - libgfortran 5.*
-  - libgfortran5 >=13.2.0
-  - libzlib >=1.3.1,<2.0a0
-  - openssl >=3.4.0,<4.0a0
-  license: BSD-3-Clause
-  license_family: BSD
-  size: 3732340
-  timestamp: 1733003702265
- conda: https://conda.anaconda.org/conda-forge/osx-64/hdf5-1.14.6-nompi_hc8237f9_103.conda
-  sha256: e41d22f672b1fbe713d22cf69630abffaee68bdb38a500a708fc70e6f639357f
-  md5: 3f1df98f96e0c369d94232712c9b87d0
-  depends:
-  - __osx >=10.13
-  - libaec >=1.1.4,<2.0a0
-  - libcurl >=8.14.1,<9.0a0
-  - libcxx >=19
-  - libgfortran
-  - libgfortran5 >=14.3.0
-  - libgfortran5 >=15.1.0
-  - libzlib >=1.3.1,<2.0a0
-  - openssl >=3.5.1,<4.0a0
-  license: BSD-3-Clause
-  license_family: BSD
-  purls: []
-  size: 3522832
-  timestamp: 1753358062940
- conda: https://conda.anaconda.org/conda-forge/win-64/hdf5-1.14.4-nompi_hd5d9e70_105.conda
-  sha256: e8ced65c604a3b9e4803758a25149d71d8096f186fe876817a0d1d97190550c0
-  md5: 4381be33460283890c34341ecfa42d97
-  depends:
-  - libaec >=1.1.3,<2.0a0
-  - libcurl >=8.10.1,<9.0a0
-  - libzlib >=1.3.1,<2.0a0
-  - openssl >=3.4.0,<4.0a0
-  - ucrt >=10.0.20348.0
-  - vc >=14.2,<15
-  - vc14_runtime >=14.29.30139
-  license: BSD-3-Clause
-  license_family: BSD
-  size: 2048450
-  timestamp: 1733003052575
- conda: https://conda.anaconda.org/conda-forge/win-64/hdf5-1.14.6-nompi_he30205f_103.conda
-  sha256: 0a90263b97e9860cec6c2540160ff1a1fff2a609b3d96452f8716ae63489dac5
-  md5: f1f7aaf642cefd2190582550eaca4658
-  depends:
-  - libaec >=1.1.4,<2.0a0
-  - libcurl >=8.14.1,<9.0a0
-  - libzlib >=1.3.1,<2.0a0
-  - openssl >=3.5.1,<4.0a0
-  - ucrt >=10.0.20348.0
-  - vc >=14.3,<15
-  - vc14_runtime >=14.44.35208
-  license: BSD-3-Clause
-  license_family: BSD
-  purls: []
-  size: 2031491
-  timestamp: 1753357255237
 - conda: https://conda.anaconda.org/conda-forge/noarch/hpack-4.1.0-pyhd8ed1ab_0.conda
  sha256: 6ad78a180576c706aabeb5b4c8ceb97c0cb25f1e112d76495bff23e3779948ba
  md5: 0a802cb9888dd14eeefc611f05c40b6e
@@ -31,7 +31,6 @@ occt = { version = "*", build = "*novtk*" }
 cgal-cpp = "*"
 numpy = "*"
 lark = "*"
-hdf5 = "*"
 eigen = "*"
 mpfr = "*"
 gmp = "*"
@@ -1 +0,0 @@
-This cache folder contains .h5 files. These files cache IFC geometry for performance only. You may safely clear the contents of this cache folder without losing data.
@@ -43,7 +43,6 @@ class IfcExporter:
    def export(self):
        self.file = tool.Ifc.get()
        self.set_header()
-        IfcStore.update_cache()
        self.sync_all_objects()
        extension = self.ifc_export_settings.output_file.split(".")[-1].lower()
        if extension == "ifczip":
@@ -18,9 +18,7 @@

 from __future__ import annotations

-import hashlib
 import os
-import shutil
 import tempfile
 import traceback
 import uuid
@@ -31,7 +29,6 @@ from typing import Literal, NotRequired, Optional, TypedDict, Union

 import bpy
 import ifcopenshell
-import ifcopenshell.geom
 import ifcopenshell.ifcopenshell_wrapper
 from ifcopenshell.file import UndoSystemError

@@ -72,8 +69,6 @@ class IfcStore:
    """Should be set only using ``tool.Ifc.set``."""

    schema: Optional[ifcopenshell.ifcopenshell_wrapper.schema_definition] = None
-    cache: Optional[ifcopenshell.ifcopenshell_wrapper.HdfSerializer] = None
-    cache_path: Optional[str] = None
    id_map: dict[int, IFC_CONNECTED_TYPE] = {}
    guid_map: dict[str, IFC_CONNECTED_TYPE] = {}
    edited_objs: set[bpy.types.Object] = set()
@@ -95,8 +90,6 @@ class IfcStore:
        IfcStore.path = ""
        IfcStore.file = None
        IfcStore.schema = None
-        IfcStore.cache = None
-        IfcStore.cache_path = None
        IfcStore.id_map = {}
        IfcStore.guid_map = {}
        IfcStore.edited_objs = set()
@@ -130,74 +123,6 @@ class IfcStore:
        if IfcStore.path and not os.path.isabs(IfcStore.path):
            IfcStore.path = os.path.abspath(os.path.join(bpy.path.abspath("//"), IfcStore.path))

-    @staticmethod
-    def generate_cache_path() -> str:
-        """Generate cache path based on the active file and it's path."""
-        assert IfcStore.file
-        ifc_key = IfcStore.path + IfcStore.file.header.file_name.time_stamp
-        ifc_hash = hashlib.md5(ifc_key.encode("utf-8")).hexdigest()
-        prefs = tool.Blender.get_addon_preferences()
-        cache_path = os.path.join(prefs.cache_dir, f"{ifc_hash}.h5")
-        return cache_path
-
-    @staticmethod
-    def get_cache() -> ifcopenshell.geom.serializers.hdf5 | None:
-        """Get existing cache for the current file or create a new one.
-
-        .h5 cache name reflects IFC filepath and it's current header's timestamp.
-        """
-        if IfcStore.cache is None and IfcStore.path:
-            cache_path = IfcStore.generate_cache_path()
-            os.makedirs(os.path.dirname(cache_path), exist_ok=True)
-            IfcStore.cache_path = cache_path
-            cache_path = Path(IfcStore.cache_path)
-            cache_settings = ifcopenshell.geom.settings()
-            serializer_settings = ifcopenshell.geom.serializer_settings()
-            cache_preexists = cache_path.exists()
-            try:
-                IfcStore.cache = ifcopenshell.geom.serializers.hdf5(
-                    IfcStore.cache_path, cache_settings, serializer_settings
-                )
-                if cache_preexists:
-                    print(f"Successfully loaded existing cache: {cache_path.name}.")
-                else:
-                    print("New cache was created.")
-            except Exception as e:
-                if cache_preexists:
-                    print(f"Failed to create a cache from existing file '{cache_path.name}': {str(e)}.")
-                else:
-                    print(f"Failed to create a cache: {str(e)}.")
-                    # No point to trying again the same operation.
-                    return
-
-                os.remove(IfcStore.cache_path)
-                try:
-                    IfcStore.cache = ifcopenshell.geom.serializers.hdf5(
-                        IfcStore.cache_path, cache_settings, serializer_settings
-                    )
-                    print("New cache was created.")
-                except Exception as e:
-                    print(f"Failed to create a cache: {str(e)}.")
-                    return
-        return IfcStore.cache
-
-    @staticmethod
-    def update_cache() -> None:
-        """Update cache filename after timestamp was updated."""
-        if not IfcStore.cache:
-            return
-        assert IfcStore.cache_path
-        new_cache_path = IfcStore.generate_cache_path()
-        IfcStore.cache = None
-        try:
-            shutil.move(IfcStore.cache_path, new_cache_path)
-        except PermissionError:
-            try:
-                shutil.copy2(IfcStore.cache_path, new_cache_path)
-            except PermissionError:
-                pass  # Well we tried. No cache for you!
-        IfcStore.get_cache()
-
    @staticmethod
    def load_file(path: str) -> None:
        if not os.path.isfile(path):
@@ -721,10 +721,6 @@ class IfcImporter:
            iterator = ifcopenshell.geom.iterator(
                settings, self.file, include=products, geometry_library=self.ifc_import_settings.geometry_library
            )
-        if self.ifc_import_settings.should_cache:
-            cache = IfcStore.get_cache()
-            if cache:
-                iterator.set_cache(cache)
        valid_file = iterator.initialize()
        if not valid_file:
            return results
@@ -1267,7 +1263,6 @@ class IfcImportSettings:
        self.should_merge_materials_by_colour = False
        self.should_load_geometry = True
        self.should_clean_mesh = False
-        self.should_cache = True
        self.deflection_tolerance = 0.05  # Default is 0.001, but I find this to be more practical
        self.angular_tolerance = 0.5
        self.void_limit = 30
@@ -1295,7 +1290,6 @@ class IfcImportSettings:
        context=None, input_file: Optional[str] = None, logger: Optional[logging.Logger] = None
    ) -> IfcImportSettings:
        scene_diff = tool.Blender.get_diff_props()
-        prefs = tool.Blender.get_addon_preferences()
        props = tool.Project.get_project_props()
        settings = IfcImportSettings()
        settings.input_file = input_file
@@ -1308,7 +1302,6 @@ class IfcImportSettings:
        settings.should_merge_materials_by_colour = props.should_merge_materials_by_colour
        settings.should_load_geometry = props.should_load_geometry
        settings.should_clean_mesh = props.should_clean_mesh
-        settings.should_cache = prefs.should_always_cache or props.should_cache
        settings.deflection_tolerance = props.deflection_tolerance
        settings.angular_tolerance = props.angular_tolerance
        settings.void_limit = props.void_limit
@@ -37,7 +37,6 @@ classes = (
    operator.PrintObjectPlacement,
    operator.PrintUnusedElementStats,
    operator.ProfileImportIFC,
-    operator.PurgeHdf5Cache,
    operator.PurgeUnusedElementsByClass,
    operator.PurgeUnusedObjects,
    operator.RestartBlender,
@@ -570,17 +570,6 @@ class SelectExpressFile(bpy.types.Operator, ImportHelper):
        return {"FINISHED"}


-class PurgeHdf5Cache(bpy.types.Operator):
-    bl_idname = "bim.purge_hdf5_cache"
-    bl_label = "Purge HDF5 Cache"
-    bl_description = "Clean up HDF5 cache files except the ones that currently loaded"
-
-    def execute(self, context):
-        core.purge_hdf5_cache(tool.Debug)
-        self.report({"INFO"}, "HDF5 cache purged.")
-        return {"FINISHED"}
-
-
 class OverrideDisplayType(bpy.types.Operator):
    bl_idname = "bim.override_display_type"
    bl_label = "Override Display Type"
@@ -64,9 +64,6 @@ class BIM_PT_debug(Panel):
        row = layout.row()
        row.operator("bim.copy_debug_information")

-        row = layout.row()
-        row.operator("bim.purge_hdf5_cache")
-
        row = layout.row()
        row.operator("bim.update_representation", text="Manually Save Representation")

@@ -16,7 +16,6 @@
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

-import hashlib
 import json
 import logging
 import multiprocessing
@@ -901,10 +900,7 @@ class CreateDrawing(bpy.types.Operator):
                # All very hackish whilst prototyping
                exporter = bonsai.bim.export_ifc.IfcExporter(None)
                exporter.file = tool.Ifc.get()
-                invalidated_elements = exporter.sync_all_objects()
-                invalidated_guids = [e.GlobalId for e in invalidated_elements if hasattr(e, "GlobalId")]
-                if cache := IfcStore.get_cache():
-                    [cache.remove(guid) for guid in invalidated_guids]
+                exporter.sync_all_objects()

        # If we have already calculated it in the SVG in the past, don't recalculate
        edited_guids = set()
@@ -922,7 +918,6 @@ class CreateDrawing(bpy.types.Operator):
        cached_linework -= edited_guids

        bim_props = tool.Blender.get_bim_props()
-        prefs = tool.Blender.get_addon_preferences()
        files = {bim_props.ifc_file: tool.Ifc.get()}

        props = tool.Project.get_project_props()
@@ -935,12 +930,8 @@ class CreateDrawing(bpy.types.Operator):
        tree = ifcopenshell.geom.tree()
        tree.enable_face_styles(True)

-        for ifc_path, ifc in files.items():
+        for ifc in files.values():
            # Don't use draw.main() just whilst we're prototyping and experimenting
-            # TODO: hash paths are never used
-            ifc_hash = hashlib.md5(ifc_path.encode("utf-8")).hexdigest()
-            ifc_cache_path = os.path.join(prefs.cache_dir, f"{ifc_hash}.h5")
-
            self.serialiser.setFile(ifc)
            drawing_elements = tool.Drawing.get_drawing_elements(self.camera_element, ifc_file=ifc)

@@ -576,9 +576,6 @@ class UpdateRepresentation(bpy.types.Operator, tool.Ifc.Operator):
                self.report({"ERROR"}, f"Object '{obj.name}' has openings - representation cannot be updated.")
            return

-        if not product.is_a("IfcGridAxis"):
-            tool.Geometry.clear_cache(product)
-
        if product.is_a("IfcGridAxis"):
            # Grid geometry does not follow the "representation" paradigm and needs to be treated specially
            tool.Model.create_axis_curve(obj, product)
@@ -1488,7 +1488,6 @@ class LoadLink(bpy.types.Operator, tool.Ifc.Operator):

    def link_ifc(self) -> Union[set[str], None]:
        blend_filepath = self.filepath_.with_suffix(".ifc.cache.blend")
-        h5_filepath = self.filepath_.with_suffix(".ifc.cache.h5")
        json_filepath = self.filepath_.with_suffix(".ifc.cache.json")

        def should_clear_cache() -> bool:
@@ -345,14 +345,6 @@ class BIMProjectProperties(PropertyGroup):
        ),
        default=False,
    )
-    should_cache: BoolProperty(
-        name="Cache",
-        description=(
-            "Cache loaded geometry to .h5 file in your cache directory (see in preferences) "
-            "for faster imports and geometry reloads."
-        ),
-        default=False,
-    )
    deflection_tolerance: FloatProperty(name="Deflection Tolerance", default=0.05)
    angular_tolerance: FloatProperty(name="Angular Tolerance", default=0.5)
    void_limit: IntProperty(
@@ -521,7 +513,6 @@ class BIMProjectProperties(PropertyGroup):
        should_merge_materials_by_colour: bool
        should_load_geometry: bool
        should_clean_mesh: bool
-        should_cache: bool
        deflection_tolerance: float
        angular_tolerance: float
        void_limit: int
@@ -207,8 +207,6 @@ class BIM_PT_project(Panel):
        row = self.layout.row()
        row.prop(pprops, "should_clean_mesh")
        row = self.layout.row()
-        row.prop(pprops, "should_cache")
-        row = self.layout.row()
        row.prop(pprops, "should_load_geometry")
        row = self.layout.row()
        row.prop(pprops, "should_merge_materials_by_colour")
@@ -207,7 +207,6 @@ class RemoveOpening(bpy.types.Operator, tool.Ifc.Operator):
                    representation=representation,
                )
        tool.Geometry.unlock_scale_object_with_openings(obj)
-        tool.Geometry.clear_cache(element)
        return {"FINISHED"}


@@ -665,10 +665,6 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
        name="Disable Undo When Saving (Faster saves, no undo for you!)", default=False
    )
    should_stream: BoolProperty(name="Stream Data From IFC-SPF (Only for advanced users)", default=False)
-    should_always_cache: BoolProperty(
-        name="Always Cache Geometry",
-        description="Whether to always cache geometry regardless of 'Cache' setting during Advanced Project Load.",
-    )
    occurrence_name_style: bpy.props.EnumProperty(
        items=[("CLASS", "By Class", ""), ("TYPE", "By Type", ""), ("CUSTOM", "Custom", "")],
        name="Occurrence Name Style",
@@ -777,7 +773,6 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
        bsdd_baseurl: str
        should_disable_undo_on_save: bool
        should_stream: bool
-        should_always_cache: bool
        occurrence_name_style: Literal["CLASS", "TYPE", "CUSTOM"]
        occurrence_name_function: str
        gizmos: GizmoPreferences
@@ -976,7 +971,6 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
        layout.prop(self, "opening_focus_opacity")
        layout.prop(self, "should_disable_undo_on_save")
        layout.prop(self, "should_stream")
-        layout.prop(self, "should_always_cache")
        layout.label(text="bSDD:")
        layout.prop(self, "bsdd_load_preview_dictionaries")
        layout.prop(self, "bsdd_load_inactive_dictionaries")
@@ -30,10 +30,6 @@ def parse_express(debug: type[tool.Debug], filename: str) -> None:
    debug.add_schema_identifier(debug.load_express(filename))


-def purge_hdf5_cache(debug: type[tool.Debug]) -> None:
-    debug.purge_hdf5_cache()
-
-
 def purge_unused_elements(ifc: type[tool.Ifc], debug: type[tool.Debug], ifc_class: str) -> int:
    ifc_file = ifc.get()
    unused_elements = [i for i in ifc_file.by_type(ifc_class) if ifc_file.get_total_inverses(i) == 0]
@@ -44,7 +44,6 @@ def edit_object_placement(
    element = ifc.get_entity(obj)
    if not element:
        return
-    geometry.clear_cache(element)
    if apply_scale:
        geometry.clear_scale(obj)
    geometry.get_blender_offset_type(obj)
@@ -125,7 +124,6 @@ def switch_representation(

    element = ifc.get_entity(obj)
    assert element
-    geometry.clear_cache(element)
    geometry.reimport_element_representations(obj, representation, apply_openings=apply_openings)


@@ -283,7 +283,6 @@ class Cost:
 class Debug:
    def add_schema_identifier(cls, schema): pass
    def load_express(cls, filename): pass
-    def purge_hdf5_cache(cls): pass


@interface
@@ -422,7 +421,6 @@ class Feature:
@interface
 class Geometry:
    def change_object_data(cls, obj, data, is_global=False): pass
-    def clear_cache(cls, element): pass
    def clear_modifiers(cls, obj): pass
    def clear_scale(cls, obj): pass
    def copy_data_links(cls, data, copied_entities) -> None: pass
@@ -59,17 +59,6 @@ class Debug(bonsai.core.tool.Debug):
        ifcopenshell.register_schema(schema)
        return schema.schema

-    @classmethod
-    def purge_hdf5_cache(cls) -> None:
-        prefs = tool.Blender.get_addon_preferences()
-        cache_dir = prefs.cache_dir
-        filelist = [f for f in os.listdir(cache_dir) if f.endswith(".h5")]
-        for f in filelist:
-            try:
-                os.remove(os.path.join(cache_dir, f))
-            except PermissionError:
-                pass
-
    @classmethod
    def debug_bmesh(cls, bm: bmesh.types.BMesh, name: str = "Debug") -> bpy.types.Object:
        mesh = bpy.data.meshes.new("Debug")
@@ -73,7 +73,6 @@ import bonsai.core.style
 import bonsai.core.system
 import bonsai.core.tool
 import bonsai.tool as tool
-from bonsai.bim.ifc import IfcStore

 if TYPE_CHECKING:
    from bonsai.bim.module.geometry.prop import (
@@ -109,16 +108,6 @@ class Geometry(bonsai.core.tool.Geometry):
            raise Exception("user_remap is not supported for meshes in EDIT mode")
        old_data.user_remap(new_data)

-    @classmethod
-    def get_cache(cls) -> Union[ifcopenshell.geom.serializers.hdf5, None]:
-        return IfcStore.get_cache()
-
-    @classmethod
-    def clear_cache(cls, element: ifcopenshell.entity_instance) -> None:
-        cache = IfcStore.get_cache()
-        if cache and hasattr(element, "GlobalId"):
-            cache.remove(element.GlobalId)
-
    @classmethod
    def clear_modifiers(cls, obj: bpy.types.Object) -> None:
        for modifier in obj.modifiers:
@@ -818,7 +807,6 @@ class Geometry(bonsai.core.tool.Geometry):
            if not cls.has_data_users(old_data):
                cls.delete_data(old_data)
            cls.clear_modifiers(obj)
-            cls.clear_cache(element)

        # Import swept disk solids as Blender curves if possible.
        elements_without_openings = {e for e in elements if not getattr(e, "HasOpenings", False)}
@@ -22,9 +22,6 @@ props = tool.Georeference.get_georeference_props()

 props = tool.Project.get_project_props()

-# Generally recommended to disable caching for stability right now
-props.should_cache = False
-
 # If you are not authoring, it is recommended to enable this.
 # When enabled, types, openings, and non geometric elements are not loaded.
 props.is_coordinating = True
@@ -9,7 +9,6 @@ class BlenderImporter:

    def __init__(self):
        self.file = ifcopenshell.open("/home/dion/untitled.ifc")
-        self.cache_path = "cache.h5"
        self.should_use_cpu_multiprocessing = True
        self.deflection_tolerance = 0.001
        self.angular_tolerance = 0.5
@@ -82,9 +81,6 @@ class BlenderImporter:
            iterator = ifcopenshell.geom.iterator(settings, self.file, multiprocessing.cpu_count(), include=products)
        else:
            iterator = ifcopenshell.geom.iterator(settings, self.file, include=products)
-        cache = self.get_cache()
-        if cache:
-            iterator.set_cache(cache)
        valid_file = iterator.initialize()
        if not valid_file:
            return results
@@ -113,13 +109,4 @@ class BlenderImporter:
        print("Done creating geometry")
        return results

-    def get_cache(self):
-        cache_settings = ifcopenshell.geom.settings()
-        serializer_settings = ifcopenshell.geom.serializer_settings()
-        try:
-            return ifcopenshell.geom.serializers.hdf5(self.cache_path, cache_settings, serializer_settings)
-        except:
-            return
-
-
 BlenderImporter().execute()
@@ -25,9 +25,3 @@ class TestParseExpress:
        debug.load_express("filename").should_be_called().will_return("schema")
        debug.add_schema_identifier("schema").should_be_called()
        subject.parse_express(debug, "filename")
-
-
-class TestPurgeHdf5Cache:
-    def test_run(self, debug):
-        debug.purge_hdf5_cache().should_be_called()
-        subject.purge_hdf5_cache(debug)
@@ -24,7 +24,6 @@ from test.core.bootstrap import geometry, ifc, style, surveyor
 class TestEditObjectPlacement:
    def predict(self, ifc, geometry, surveyor):
        ifc.get_entity("obj").should_be_called().will_return("element")
-        geometry.clear_cache("element").should_be_called()
        geometry.clear_scale("obj").should_be_called()
        geometry.get_blender_offset_type("obj").should_be_called()
        surveyor.get_absolute_matrix("obj").should_be_called().will_return("matrix")
@@ -197,7 +196,6 @@ class TestSwitchRepresentation:
    def test_switching_to_a_representation(self, ifc, geometry):
        geometry.get_object_data("obj").should_be_called().will_return("current_obj_data")
        ifc.get_entity("obj").should_be_called().will_return("element")
-        geometry.clear_cache("element").should_be_called()
        geometry.reimport_element_representations("obj", "mapped_rep", apply_openings=True).should_be_called()
        subject.switch_representation(
            ifc,
@@ -17,8 +17,6 @@
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

 import os
-from pathlib import Path
-
 import bpy
 import ifcopenshell
 import ifcopenshell.api.style
@@ -55,24 +53,6 @@ class TestLoadExpress(NewFile):
        os.remove(schema_path + ".cache.dat")


-class TestPurgeHdf5Cache(NewFile):
-    def test_run(self):
-        prefs = tool.Blender.get_addon_preferences()
-        cache_dir = Path(prefs.cache_dir)
-        test_file = cache_dir / "test.h5"
-        test_file.parent.mkdir(parents=True, exist_ok=True)
-        test_file.touch()
-
-        # Ensure it can skip currently loaded cache.
-        loaded_file_path = test_file.with_stem("test_loaded")
-        loaded_file = open(loaded_file_path, "w")
-
-        subject.purge_hdf5_cache()
-        # On Unix loaded files are not locked.
-        paths = [loaded_file_path] if os.name == "nt" else []
-        assert [f for f in cache_dir.iterdir() if f.suffix == ".h5"] == paths
-
-
 class TestMergeIdenticalObject(NewFile):
    def test_merge_identical_styles(self):
        tool.Ifc.set(ifc := ifcopenshell.file())
@@ -279,16 +279,10 @@ int main(int argc, char** argv) {
 	path_t filter_filename;
 	path_t default_material_filename;
 	path_t log_file;
-	path_t cache_file;
 	std::string log_format;
 	std::string geometry_kernel;
 	auto& document_serializer_registry = ifcopenshell::serializers::document_serializer_registry_instance();
 	auto& geometry_serializer_registry = ifcopenshell::serializers::geometry_serializer_registry_instance();
-#ifdef WITH_HDF5
-	const bool supports_geometry_cache = true;
-#else
-	const bool supports_geometry_cache = false;
-#endif

    po::options_description generic_options("Command line options");
 	verbosity_counter vcounter;
@@ -302,10 +296,6 @@ int main(int argc, char** argv) {
 		("no-progress", "suppress possible progress bar type of prints that use carriage return")
 		("log-format", po::value<std::string>(&log_format), "log format: plain or json")
 		("log-file", new po::typed_value<path_t, char_t>(&log_file), "redirect log output to file");
-	if (supports_geometry_cache) {
-		generic_options.add_options()
-			("cache", "cache geometry creation. Use --cache-file to specify cache file path.");
-	}

    po::options_description fileio_options;
 	fileio_options.add_options()
@@ -316,10 +306,6 @@ int main(int argc, char** argv) {
 		("output-file", new po::typed_value<path_t, char_t>(0), "output geometry file")
 		("stream", "Use streaming conversion when supported (RocksDB uses it automatically)")
 		;
-	if (supports_geometry_cache) {
-		fileio_options.add_options()
-			("cache-file", new po::typed_value<path_t, char_t>(&cache_file), "geometry cache file");
-	}

 	po::options_description ifc_options("IFC options");
 	ifc_options.add_options()
@@ -907,44 +893,6 @@ int main(int argc, char** argv) {
 		context_iterator.reset(new IfcGeom::Iterator(ifcopenshell::geometry::kernels::construct(ifc_file, geometry_kernel, geometry_settings), geometry_settings, ifc_file, filter_funcs, num_threads));
 	}	

-#ifdef WITH_HDF5
-	boost::shared_ptr<GeometrySerializer> cache;
-	const bool use_cache = supports_geometry_cache && context_iterator && (vmap.count("cache-file") || vmap.count("cache"));
-	if (use_cache) {
-		const path_t CACHE = ifcopenshell::path::from_utf8(".cache");
-		const path_t HDF = ifcopenshell::path::from_utf8(".h5");
-		if (!vmap.count("cache-file")) {
-			cache_file = input_filename + CACHE + HDF;
-		}
-
-		try {
-			ifcopenshell::serializers::geometry_serializer_context cache_context{
-				ifcopenshell::path::to_utf8(cache_file),
-				ifcopenshell::path::to_utf8(cache_file),
-				geometry_settings,
-				serializer_settings
-			};
-			cache = geometry_serializer_registry.create(".h5", cache_context);
-		} catch (const std::exception& e) {
-			cerr_ << "[error] Unable to initialize geometry cache: " << e.what() << std::endl;
-			serializer.reset();
-			ifcopenshell::path::delete_file(ifcopenshell::path::to_utf8(output_temp_filename));
-			write_log(!quiet);
-			return EXIT_FAILURE;
-		}
-
-		if (!cache || !cache->ready()) {
-			cerr_ << "[error] Unable to initialize geometry cache serializer\n";
-			serializer.reset();
-			ifcopenshell::path::delete_file(ifcopenshell::path::to_utf8(output_temp_filename));
-			write_log(!quiet);
-			return EXIT_FAILURE;
-		}
-
-		context_iterator->set_cache(cache.get());
-	}
-#endif
-
 	logger::message(logger::LOG_PERF, "file geometry conversion");

    if (context_iterator && !context_iterator->initialize()) {
@@ -28,9 +28,6 @@ endif()
 if(WITH_MANIFOLD)
    target_compile_definitions(IfcGeom PUBLIC IFOPSH_WITH_MANIFOLD)
 endif()
-if(HDF5_SUPPORT)
-    target_compile_definitions(IfcGeom PUBLIC WITH_HDF5)
-endif()

 if(UNIX)
    find_package(Threads)
@@ -362,7 +362,7 @@ void IfcGeom::Iterator::create_element_(ifcopenshell::geometry::Converter* kerne

 	logger::set_product(product);

-	IfcGeom::BRepElement* brep = static_cast<IfcGeom::BRepElement*>(decorate_with_cache_(GeometrySerializer::READ_BREP, (std::string)product.as<express::Entity>().get("GlobalId"), std::to_string(rep->item->instance.id()), [kernel, settings, product, place, rep]() {
+	IfcGeom::BRepElement* brep = static_cast<IfcGeom::BRepElement*>(create_processed_element_([kernel, settings, product, place, rep]() {
 		return kernel->create_brep_for_representation_and_product(rep->item, product, place);
 	}));

@@ -385,7 +385,7 @@ void IfcGeom::Iterator::create_element_(ifcopenshell::geometry::Converter* kerne
 		const express::Base product2 = p.first;
 		const auto& place2 = p.second;

-		IfcGeom::BRepElement* brep2 = static_cast<IfcGeom::BRepElement*>(decorate_with_cache_(GeometrySerializer::READ_BREP, (std::string)product2.as<express::Entity>().get("GlobalId"), std::to_string(rep->item->instance.id()), [kernel, settings, product2, place2, brep]() {
+		IfcGeom::BRepElement* brep2 = static_cast<IfcGeom::BRepElement*>(create_processed_element_([kernel, settings, product2, place2, brep]() {
 			return kernel->create_brep_for_processed_representation(product2, place2, brep);
 		}));
 		if (brep2) {
@@ -410,14 +410,7 @@ IfcGeom::Element* IfcGeom::Iterator::process_based_on_settings(ifcopenshell::geo
 			return nullptr;
 		}
 	} else if (settings.get<ifcopenshell::geometry::settings::IteratorOutput>().get() == ifcopenshell::geometry::settings::TRIANGULATED) {
-		// the part before the hyphen is the representation id
-		auto gid2 = elem->geometry().id();
-		auto hyphen = gid2.find("-");
-		if (hyphen != std::string::npos) {
-			gid2 = gid2.substr(0, hyphen);
-		}
-
-		return decorate_with_cache_(GeometrySerializer::READ_TRIANGULATION, elem->guid(), gid2, [elem, previous]() {
+		return create_processed_element_([elem, previous]() {
 			try {
 				if (!previous) {
 					return new TriangulationElement(*elem);
@@ -66,7 +66,6 @@
 #include "../ifcgeom/taxonomy.h"
 #include "../ifcgeom/Converter.h"
 #include "../ifcgeom/abstract_mapping.h"
-#include "../ifcgeom/GeometrySerializer.h"

 #include <boost/algorithm/string.hpp>

@@ -104,8 +103,6 @@ namespace IfcGeom {

 	class IFC_GEOM_API Iterator {
 	private:
-		GeometrySerializer* cache_ = nullptr;
-
 		std::atomic<bool> finished_{ false };
 		std::atomic<bool> terminating_{ false };
 		std::atomic<bool> had_error_processing_elements_ { false };
@@ -153,44 +150,11 @@ namespace IfcGeom {

 		// Should not be destructed because, destructor is blocking
 		std::future<void> init_future_;
-		std::mutex caching_mutex_;
-
 		std::array<std::chrono::high_resolution_clock::time_point, 4> time_points;

 		template <typename Fn>
-		Element* decorate_with_cache_(GeometrySerializer::read_type rt, const std::string& product_guid, const std::string& representation_id, Fn f) {
-
-			bool read_from_cache = false;
-			Element* element = nullptr;
-
-#ifdef WITH_HDF5
-			if (cache_) {
-				std::lock_guard<std::mutex> lk(caching_mutex_);
-
-				auto from_cache = cache_->read(*ifc_file, product_guid, representation_id, rt);
-				if (from_cache) {
-					read_from_cache = true;
-					element = from_cache;
-				}
-			}
-#endif
-			if (!read_from_cache) {
-				element = f();
-			}
-
-#ifdef WITH_HDF5
-			if (cache_ && !read_from_cache && element) {
-				std::lock_guard<std::mutex> lk(caching_mutex_);
-
-				if (rt == GeometrySerializer::READ_TRIANGULATION) {
-					cache_->write((IfcGeom::TriangulationElement*)element);
-				} else {
-					cache_->write((IfcGeom::BRepElement*)element);
-				}
-			}
-#endif
-
-			return element;
+		Element* create_processed_element_(Fn f) {
+			return f();
 		}

 		express::Base create_shape_model_for_next_entity();
@@ -244,8 +208,6 @@ namespace IfcGeom {

 		~Iterator();

-		void set_cache(GeometrySerializer* cache) { cache_ = cache; }
-
 		std::vector<ifcopenshell::geometry::taxonomy::item::ptr> get_task_items() const {
 			std::vector<ifcopenshell::geometry::taxonomy::item::ptr> items;
 			items.reserve(tasks_.size());
@@ -64,11 +64,6 @@
 #include <IntTools_FaceFace.hxx>
 #include "clash_utils.h"

-#ifdef WITH_HDF5
-#include "H5Cpp.h"
-#endif
-
-
 namespace IfcGeom {
 	namespace {

@@ -1498,225 +1493,6 @@ namespace IfcGeom {
 			}
 		}

-#ifdef WITH_HDF5
-        void write_h5() {
-            H5::H5File file("filename.h5", H5F_ACC_TRUNC);
-            H5::Group shapes = file.createGroup("/shapes");
-
-            std::set<std::string> processed_geometry_ids;
-            std::vector<int> element_shape_ids;
-            std::unordered_map<std::string, int> geometry_id_to_shape_id;
-            int geometry_index = 0;
-
-            std::vector<std::vector<float>> matrices;
-            std::vector<std::array<float, 4>> colours;
-            std::vector<std::string> names;
-            std::vector<std::string> global_ids;
-
-            const float tolerance = 0.01f; // Tolerance value for comparison
-
-            for (const auto& elem : triangulation_elements_) {
-                const auto geometry_id = elem->geometry().id();
-
-                const auto& placement = placements_[elem->product()];
-                {
-                    decltype(matrices)::value_type m;
-                    for (size_t i = 0; i < 16; ++i) {
-                        m.push_back(static_cast<float>(placement->ccomponents().data()[i]));
-                    }
-                    matrices.push_back(m);
-                }
-
-                names.push_back(names_[elem->product()]);
-                global_ids.push_back(global_ids_[elem->product()]);
-
-                if (processed_geometry_ids.find(geometry_id) != processed_geometry_ids.end()) {
-                    element_shape_ids.push_back(geometry_id_to_shape_id[geometry_id]);
-                    continue;
-                }
-
-                processed_geometry_ids.insert(geometry_id);
-                H5::Group group = shapes.createGroup(std::to_string(geometry_index));
-                geometry_id_to_shape_id[geometry_id] = geometry_index;
-                element_shape_ids.push_back(geometry_index);
-
-                geometry_index++;
-
-                const auto& faces = local_faces_[geometry_id];
-                const auto& verts = local_verts_[geometry_id];
-                const auto& materials = local_materials_[geometry_id];
-                const auto& material_ids = local_material_ids_[geometry_id];
-
-                std::vector<float> verts_float(verts.size());
-                std::transform(verts.begin(), verts.end(), verts_float.begin(),
-                   [](double val) { return static_cast<float>(val); });
-
-                // Write faces
-                size_t total_verts = verts.size() / 3;
-                hsize_t faces_dims[1] = {faces.size()};
-                H5::DataSpace faces_dataspace(1, faces_dims);
-                H5::DSetCreatPropList faces_propList;
-                faces_propList.setChunk(1, faces_dims);
-                faces_propList.setDeflate(9);
-                if (total_verts < (1 << 8)) {
-                    H5::DataType dtype = H5::PredType::NATIVE_UINT8;
-                    std::vector<uint8_t> faces_dtype(faces.begin(), faces.end());
-                    H5::DataSet faces_dataset = group.createDataSet("faces", dtype, faces_dataspace, faces_propList);
-                    faces_dataset.write(faces_dtype.data(), dtype);
-                } else if (total_verts < (1 << 16)) {
-                    H5::DataType dtype = H5::PredType::NATIVE_UINT16;
-                    std::vector<uint16_t> faces_dtype(faces.begin(), faces.end());
-                    H5::DataSet faces_dataset = group.createDataSet("faces", dtype, faces_dataspace, faces_propList);
-                    faces_dataset.write(faces_dtype.data(), dtype);
-                } else {
-                    H5::DataType dtype = H5::PredType::NATIVE_UINT32;
-                    H5::DataSet faces_dataset = group.createDataSet("faces", dtype, faces_dataspace, faces_propList);
-                    faces_dataset.write(faces.data(), dtype);
-                }
-
-                // Write verts
-                H5::DataType dtype = H5::PredType::NATIVE_FLOAT;
-                hsize_t dims[1] = {verts.size()};
-                H5::DataSpace dataspace(1, dims);
-                H5::DSetCreatPropList propList;
-                propList.setChunk(1, dims);
-                propList.setDeflate(9);
-                H5::DataSet dataset = group.createDataSet("verts", dtype, dataspace, propList);
-                dataset.write(verts_float.data(), H5::PredType::NATIVE_FLOAT);
-
-                // Write materials
-                std::vector<uint8_t> material_keys;
-                for (const auto& material : materials) {
-                    float alpha = 1.0;
-                    if (material->has_transparency() && material->transparency > 0) {
-                        alpha = 1.0 - material->transparency;
-                    }
-
-                    int i = 0;
-                    bool is_existing_colour = false;
-                    for (const auto& colour : colours) {
-                        if (std::abs(colour[0] - static_cast<float>(material->diffuse.ccomponents()[0])) < tolerance
-                                && std::abs(colour[1] - static_cast<float>(material->diffuse.ccomponents()[1])) < tolerance
-                                && std::abs(colour[2] - static_cast<float>(material->diffuse.ccomponents()[2])) < tolerance
-                                && std::abs(colour[3] - alpha) < tolerance) {
-                            is_existing_colour = true;
-                            break;
-                        }
-                        i++;
-                    }
-
-                    if ( ! is_existing_colour) {
-                        colours.push_back({
-                            static_cast<float>(material->diffuse.ccomponents()[0]),
-                            static_cast<float>(material->diffuse.ccomponents()[1]),
-                            static_cast<float>(material->diffuse.ccomponents()[2]),
-                            alpha});
-                    }
-                    material_keys.push_back(static_cast<decltype(material_keys)::value_type>(i));
-                }
-
-                size_t total_material_keys = material_keys.size();
-                if (total_material_keys) {
-                    hsize_t dims[1] = {material_keys.size()};
-                    H5::DataSpace dataspace(1, dims);
-                    H5::DSetCreatPropList propList;
-                    propList.setChunk(1, dims);
-                    propList.setDeflate(9);
-                    H5::DataType dtype = H5::PredType::NATIVE_UINT8;
-                    H5::DataSet dataset = group.createDataSet("materials", dtype, dataspace, propList);
-                    dataset.write(material_keys.data(), dtype);
-                }
-
-                if (total_material_keys > 1) {
-                    hsize_t dims[1] = {material_ids.size()};
-                    H5::DataSpace dataspace(1, dims);
-                    H5::DSetCreatPropList propList;
-                    propList.setChunk(1, dims);
-                    propList.setDeflate(9);
-                    H5::DataType dtype = H5::PredType::NATIVE_UINT8;
-                    H5::DataSet dataset = group.createDataSet("material_ids", dtype, dataspace, propList);
-                    std::vector<uint8_t> data_dtype(material_ids.begin(), material_ids.end());
-                    dataset.write(data_dtype.data(), dtype);
-                }
-            }
-
-            // Write GlobalIds
-            std::vector<uint8_t> uuids_array;
-            for (const auto& id_str : global_ids) {
-                for (size_t i = 0; i < id_str.length(); i += 2) {
-                    uuids_array.push_back(std::stoi(id_str.substr(i, 2), 0, 16));
-                }
-            }
-
-            hsize_t global_ids_dims[2] = {global_ids.size(), 16};  // 16 bytes per UUID
-            H5::DataSpace global_ids_dataspace(2, global_ids_dims);
-            H5::DataSet global_ids_dataset = file.createDataSet("element_global_ids", H5::PredType::NATIVE_UINT8, global_ids_dataspace);
-            global_ids_dataset.write(uuids_array.data(), H5::PredType::NATIVE_UINT8);
-
-            // Write names
-            H5::StrType strType(H5::PredType::C_S1, H5T_VARIABLE);
-            hsize_t names_dims[1] = {names.size()};
-            H5::DataSpace names_dataspace(1, names_dims);
-            H5::DataSet names_dataset = file.createDataSet("element_names", strType, names_dataspace);
-            std::vector<const char*> cstr_names;
-            for (const auto& name : names) {
-                cstr_names.push_back(name.c_str());
-            }
-            names_dataset.write(&cstr_names[0], strType);
-
-            // Write matrices
-            std::vector<float> flat_matrices;
-            for (const auto& matrix : matrices) {
-                flat_matrices.insert(flat_matrices.end(), matrix.begin(), matrix.end());
-            }
-            hsize_t dims[2] = {matrices.size(), matrices[0].size()};
-            H5::DataSpace dataspace(2, dims);
-            H5::DSetCreatPropList propList;
-            propList.setChunk(2, dims);
-            propList.setDeflate(9);
-            H5::DataSet dataset = file.createDataSet("element_matrices", H5::PredType::NATIVE_FLOAT, dataspace, propList);
-            dataset.write(flat_matrices.data(), H5::PredType::NATIVE_FLOAT);
-
-            // Write element_shape_ids
-            hsize_t element_shape_ids_dims[1] = {element_shape_ids.size()};
-            H5::DataSpace element_shape_ids_dataspace(1, element_shape_ids_dims);
-            H5::DSetCreatPropList element_shape_ids_propList;
-            element_shape_ids_propList.setChunk(1, element_shape_ids_dims);
-            element_shape_ids_propList.setDeflate(9);
-            if (geometry_index < (1 << 8)) {
-                H5::DataType dtype = H5::PredType::NATIVE_UINT8;
-                std::vector<uint8_t> element_shape_ids_dtype(element_shape_ids.begin(), element_shape_ids.end());
-                H5::DataSet element_shape_ids_dataset = file.createDataSet("element_shape_ids", dtype, element_shape_ids_dataspace, element_shape_ids_propList);
-                element_shape_ids_dataset.write(element_shape_ids_dtype.data(), dtype);
-            } else if (geometry_index < (1 << 16)) {
-                H5::DataType dtype = H5::PredType::NATIVE_UINT16;
-                std::vector<uint16_t> element_shape_ids_dtype(element_shape_ids.begin(), element_shape_ids.end());
-                H5::DataSet element_shape_ids_dataset = file.createDataSet("element_shape_ids", dtype, element_shape_ids_dataspace, element_shape_ids_propList);
-                element_shape_ids_dataset.write(element_shape_ids_dtype.data(), dtype);
-            } else if (geometry_index < (1UL << 32)) {
-                H5::DataType dtype = H5::PredType::NATIVE_UINT32;
-                std::vector<uint32_t> element_shape_ids_dtype(element_shape_ids.begin(), element_shape_ids.end());
-                H5::DataSet element_shape_ids_dataset = file.createDataSet("element_shape_ids", dtype, element_shape_ids_dataspace, element_shape_ids_propList);
-                element_shape_ids_dataset.write(element_shape_ids_dtype.data(), dtype);
-            }
-
-            // Write colours
-            if (colours.size()) {
-                std::vector<float> flat_colours;
-                for (const auto& colour : colours) {
-                    flat_colours.insert(flat_colours.end(), colour.begin(), colour.end());
-                }
-                hsize_t colours_dims[2] = {colours.size(), colours[0].size()};
-                H5::DataSpace colours_dataspace(2, colours_dims);
-                H5::DSetCreatPropList colours_propList;
-                colours_propList.setChunk(2, colours_dims);
-                colours_propList.setDeflate(9);
-                H5::DataSet colours_dataset = file.createDataSet("materials", H5::PredType::NATIVE_FLOAT, colours_dataspace, colours_propList);
-                colours_dataset.write(flat_colours.data(), H5::PredType::NATIVE_FLOAT);
-            }
-        }
-#endif
-
        template <typename T>
        void apply_matrix_to_flat_verts(const std::vector<T>& flat_list, const ifcopenshell::geometry::taxonomy::matrix4::ptr& matrix, std::vector<T>& result) {
            Eigen::Vector3d vin;
@@ -164,12 +164,6 @@ namespace ifcopenshell {
 						return tree_.clash_clearance_many(set_a, set_b, clearance, check_all);
 					}

-#ifdef WITH_HDF5
-					void write_h5() override {
-						tree_.write_h5();
-					}
-#endif
-
 				private:
 					IfcGeom::opencascade_tree tree_;
 				};
@@ -227,12 +227,6 @@ const std::vector<ifcopenshell::geometry::taxonomy::style::ptr>& IfcGeom::tree::
 	return backend ? backend->styles() : empty_style_vector();
 }

-#ifdef WITH_HDF5
-void IfcGeom::tree::write_h5() {
-	impl_->backend(default_clash_backend_id).write_h5();
-}
-#endif
-
 std::string IfcGeom::tree::uint8_to_b64(const std::vector<uint8_t>& uuids_array) const {
 	std::string hex_str;
 	hex_str.reserve(uuids_array.size() * 2);
@@ -100,10 +100,6 @@ namespace IfcGeom {
 		void enable_face_styles(bool enable);
 		const std::vector<ifcopenshell::geometry::taxonomy::style::ptr>& styles() const;

-#ifdef WITH_HDF5
-		void write_h5();
-#endif
-
 		std::string uint8_to_b64(const std::vector<uint8_t>& uuids_array) const;
 		static bool is_manifold(const std::vector<int>& faces);

@@ -104,12 +104,6 @@ const std::vector<ifcopenshell::geometry::taxonomy::style::ptr>& ifcopenshell::g
 	unsupported_tree_operation(std::string(backend_id()), "styles()");
 }

-#ifdef WITH_HDF5
-void ifcopenshell::geometry::trees::abstract_tree::write_h5() {
-	unsupported_tree_operation(std::string(backend_id()), "write_h5()");
-}
-#endif
-
 void ifcopenshell::geometry::trees::tree_registry::bind(const tree_info& info, create_fn create, const plugin::module& module) {
 	entry entry;
 	entry.info_ = info;
@@ -70,9 +70,6 @@ namespace ifcopenshell {
 				virtual void enable_face_styles(bool enable);
 				virtual const std::vector<ifcopenshell::geometry::taxonomy::style::ptr>& styles() const;

-#ifdef WITH_HDF5
-				virtual void write_h5();
-#endif
 			};

 			class IFC_GEOM_API tree_registry {
@@ -2,7 +2,7 @@ IfcConvert
 ==========

 IfcConvert is a command-line application for converting IFC geometry into file
-formats such as OBJ, DAE, GLB, STP, IGS, XML, SVG, H5, TTL/WKT, and IFC-SPF itself.
+formats such as OBJ, DAE, GLB, STP, IGS, XML, SVG, TTL/WKT, and IFC-SPF itself.

 For other formats, you may use other IfcOpenShell utilities as shown in the
 table below.
@@ -11,8 +11,8 @@ table below.
 | From Format             | To Format               | Tool                 |
 +=========================+=========================+======================+
 | .ifc                    | .obj, .dae, .glb, .stp, | IfcConvert           |
-|                         | .igs, .xml, .svg, .h5,  |                      |
-|                         | .ttl, .ifc, .rdb,       |                      |
+|                         | .igs, .xml, .svg, .ttl, |                      |
+|                         | .ifc, .rdb,             |                      |
 |                         | .json (xeokit)          |                      |
 +-------------------------+-------------------------+----------------------+
 | .ifc                    | .dae, .abc, .usd, .obj, | Bonsai_              |
@@ -83,7 +83,6 @@ CLI Manual
      .json  JSON           Property definitions and decomposition tree in xeokit json format
      .rdb   RocksDB        RocksDB Key-Value store serialization of IFC data
      .svg   SVG            Scalable Vector Graphics (2D floor plan)
-      .h5    HDF            Hierarchical Data Format storing positions, normals and indices
      .ttl   TTL/WKT        RDF Turtle with Well-Known-Text geometry
      .ifc   IFC-SPF        Industry Foundation Classes

@@ -29,8 +29,6 @@ IfcOpenShell depends on:
 - (Optional) `SWIG <http://www.swig.org/>`__ and `Python
  <https://www.python.org/>`__ - for building the IfcOpenShell Python interface
  and use in Bonsai
- (Optional) `HDF5 <https://www.hdfgroup.org/solutions/hdf5>`__ - for caching
-  geometry using the HDF5 format

 Compiling on Linux
 ------------------
@@ -125,13 +123,7 @@ operating systems. GCC (4.7 or newer) or Clang (any version) is required.

        sudo apt-get install python-all-dev swig

-6. For building support for HDF5 caching (ON by default), install dependencies:
-
-   .. code-block:: bash
-
-        sudo apt-get install libhdf5-dev libaec-dev zlibc
-
-7. Compile IfcOpenShell itself.
+6. Compile IfcOpenShell itself.

   .. code-block:: bash

@@ -149,11 +141,6 @@ operating systems. GCC (4.7 or newer) or Clang (any version) is required.
              -DOPENCOLLADA_LIBRARY_DIR="/usr/local/lib/opencollada"  \
              -DPCRE_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu/ \
              \
-              # Optional HDF5 support
-              -DHDF5_SUPPORT=On \
-              -DHDF5_LIBRARIES="/usr/local/hdf5/lib/libhdf5_cpp.so;/usr/local/hdf5/lib/libhdf5.so;/usr/lib64/libz.so;/usr/lib64/libsz.so;/usr/lib64/libaec.so" \
-              -DHDF5_INCLUDE_DIR="/usr/local/hdf5/include" \
-              \
              -DCGAL_INCLUDE_DIR=/usr/include \
              -DGMP_INCLUDE_DIR=/usr/include \
              -DMPFR_INCLUDE_DIR=/usr/include \
@@ -187,7 +174,7 @@ GCC (4.7 or newer) or Clang (any version) is required.

   .. code-block:: bash

-        brew install boost cmake python3 cgal ftgl gmp libaec opencascade swig hdf5 zlib eigen
+        brew install boost cmake python3 cgal ftgl gmp opencascade swig zlib eigen
        # homebrew automatically links most libraries, except some keg-only ones
        brew link zlib --force

@@ -209,8 +196,6 @@ GCC (4.7 or newer) or Clang (any version) is required.
            -DCGAL_INCLUDE_DIR=/opt/homebrew/include/ \
            -DGMP_LIBRARY_DIR=/opt/homebrew/lib/ \
            -DMPFR_LIBRARY_DIR=/opt/homebrew/lib/ \
-            -DHDF5_LIBRARY_DIR=/opt/homebrew/lib/ \
-            -DHDF5_INCLUDE_DIR=/opt/homebrew/include/ \
            -DEIGEN_DIR=/opt/homebrew/Cellar/eigen/3.4.0_1/include/eigen3 \
            -DCOLLADA_SUPPORT=0
        # `sysctl -n hw.ncpu` returns the number of cpu cores on macOS
@@ -38,7 +38,7 @@ IfcOpenShell has a huge amount of unique features and capabilities not found in
 - All tools can be used either as a developer library, through a command line interface, or using a rich graphical interface. Whether you're deploying headless server tools for your own pipeline, writing your own apps, or an end-user, there's something for you.
 - Supports IFC2X3, IFC4, and IFC4.3. Custom schemas (such as experimental or draft schemas) may be loaded at run-time instead of having to recompile.
 - Built-in IFC validation is possible from basic syntax validation to more detailed "Where Rule" checks. This is the same validation that powers the official buildingSMART validation engine.
- Read and write IFC-SPF, IFCJSON, IFCXML, IFCHDF5, MySQL, and SQLite.
+- Read and write IFC-SPF, IFCJSON, IFCXML, MySQL, and SQLite.
 - High level API for hundreds of tasks. Perform complex authoring like copying objects, cost calculation, or 4D simulation with one line of code. Imagine a complete native IFC authoring and editing platform where every function is available to you as a library.
 - Convert parametric geometry into explicit geometry for any CAD system from booleans to complex sweeps. Geometry has been battle-tested over many years to accommodate complex geometric edge cases with an extensive test suite.
 - Geometry may be converted into voxels and analysed through voxels to resolve complex non-manifold geometry and precision issues. This analysis may be used from things like head height calculations, formwork analysis, to egress distances.
@@ -56,7 +56,6 @@ class draw_settings:
    space_areas: bool = False
    door_arcs: bool = False
    subtract_before_hlr: bool = False
-    cache: bool = False
    css: str = ""
    storey_heights: str = "none"
    storey_filter: str = ""
@@ -157,12 +156,6 @@ def main(
            )
        )

-        if settings.cache:
-            serializer_settings = ifcopenshell.geom.serializer_settings()
-            cache = ifcopenshell.geom.serializers.hdf5("cache.h5", geom_settings, serializer_settings)
-            for it in iterators:
-                it.set_cache(cache)
-
    # Initialize serializer
    buffer = ifcopenshell.geom.serializers.buffer()
    serialiser_settings = ifcopenshell.geom.serializer_settings()
@@ -555,8 +555,6 @@ def iterate(
    exclude: Optional[Union[list[entity_instance], list[str]]] = None,
    *,
    with_progress: Literal[False] = False,
-    cache: Optional[str] = None,
-    serializer_settings: Optional[serializer_settings] = None,
    geometry_library: GEOMETRY_LIBRARY = "opencascade",
 ) -> Generator[IteratorOutput, None, None]: ...
@overload
@@ -568,8 +566,6 @@ def iterate(
    exclude: Optional[Union[list[entity_instance], list[str]]] = None,
    *,
    with_progress: Literal[True] = True,
-    cache: Optional[str] = None,
-    serializer_settings: Optional[serializer_settings] = None,
    geometry_library: GEOMETRY_LIBRARY = "opencascade",
 ) -> Generator[tuple[int, IteratorOutput], None, None]: ...
@overload
@@ -581,8 +577,6 @@ def iterate(
    exclude: Optional[Union[list[entity_instance], list[str]]] = None,
    *,
    with_progress: bool = False,
-    cache: Optional[str] = None,
-    serializer_settings: Optional[serializer_settings] = None,
    geometry_library: GEOMETRY_LIBRARY = "opencascade",
 ) -> Generator[Union[IteratorOutput, tuple[int, IteratorOutput]], None, None]: ...
 def iterate(
@@ -593,20 +587,10 @@ def iterate(
    exclude: Optional[Union[list[entity_instance], list[str]]] = None,
    *,
    with_progress: bool = False,
-    cache: Optional[str] = None,
-    serializer_settings: Optional[serializer_settings] = None,
    geometry_library: GEOMETRY_LIBRARY = "opencascade",
 ) -> Generator[Union[IteratorOutput, tuple[int, IteratorOutput]], None, None]:
-    """Get a geometry iterator for the provided file.
-
-    :param cache: .h5 cache filepath (might not exist, will be created).
-    :param serializer_settings: Settings for cache serializer. Required if `cache` is provided.
-    """
+    """Get a geometry iterator for the provided file."""
    it = iterator(settings, file_or_filename, num_threads, include, exclude, geometry_library)
-    if cache:
-        assert serializer_settings, "`serializer_settings` argument is not optional if `cache` is provided."
-        hdf5_cache = serializers.hdf5(cache, settings, serializer_settings)
-        it.set_cache(hdf5_cache)
    yield from consume_iterator(it, with_progress=with_progress)


@@ -677,9 +661,6 @@ class _serializers_meta(type):
        "ttl": "ttl",
        "gltf": "glb",
        "glb": "glb",
-        "hdf": "h5",
-        "hdf5": "h5",
-        "h5": "h5",
        "collada": "dae",
        "dae": "dae",
        "stp": "stp",
@@ -711,9 +692,6 @@ class serializers(metaclass=_serializers_meta):
        ext = filepath.rsplit(".", 1)[-1].lower()
        mapping = {
            "glb": "gltf",
-            "hdf": "hdf5",
-            "h5": "hdf5",
-            "hdf5": "hdf5",
            "obj": "obj",
            "svg": "svg",
            "ttl": "ttl",
@@ -298,18 +298,6 @@ class GltfSerializer(WriteOnlyGeometrySerializer):
    def write(self, *args): ...
    def writeHeader(self): ...

-class HdfSerializer(GeometrySerializer):
-    def __init__(self, hdf_filename, geometry_settings, settings, read_only=False): ...
-    def finalize(self): ...
-    def isTesselated(self): ...
-    def read(self, *args): ...
-    def ready(self): ...
-    def remove(self, guid: str) -> None: ...
-    def setFile(self, arg2): ...
-    def setUnitNameAndMagnitude(self, arg2, arg3): ...
-    def write(self, *args): ...
-    def writeHeader(self): ...
-
 class IfcBaseEntity(entity_instance):
    def __init__(self, *args, **kwargs): ...
    def declaration(self): ...
@@ -383,7 +371,6 @@ class Iterator:
        """
        ...

-    def set_cache(self, cache: Union[GeometrySerializer, None]) -> None: ...
    def unit_magnitude(self): ...
    def unit_name(self): ...

@@ -150,8 +150,7 @@ cmake ../cmake \
    -DBUILD_DOCUMENTATION=OFF \
    -DBUILD_EXAMPLES=OFF \
    -DCOLLADA_SUPPORT=OFF \
-    -DGLTF_SUPPORT=OFF \
-    -DHDF5_SUPPORT=OFF
+    -DGLTF_SUPPORT=OFF

 make -j$(nproc) IfcViewer
 ```
@@ -230,6 +230,7 @@
 	#include "../ifcgeom/Iterator.h"
 	#include "../ifcgeom/ConversionResult.h"
 	#include "../ifcgeom/hybrid_kernel.h"
+	#include "../ifcgeom/GeometrySerializer.h"

 	#include "../ifcparse/express.h"
 	#include "../ifcparse/file.h"
@@ -88,10 +88,6 @@ if(WITH_OPENCASCADE AND NOT WASM_BUILD)
    add_geometry_serializer_plugin(geometry_serializer_stp "geometry.stp" SOURCES geometry_stp_plugin.cpp OpenCascadeBasedSerializer.cpp LIBRARIES ${opencascade_geometry_serializer_libraries})
    add_geometry_serializer_plugin(geometry_serializer_igs "geometry.igs" SOURCES geometry_igs_plugin.cpp OpenCascadeBasedSerializer.cpp LIBRARIES ${opencascade_geometry_serializer_libraries})
    add_geometry_serializer_plugin(geometry_serializer_svg "geometry.svg" SOURCES geometry_svg_plugin.cpp SvgSerializer.cpp util.cpp LIBRARIES ${opencascade_geometry_serializer_libraries})
-
-    if(HDF5_SUPPORT)
-        add_geometry_serializer_plugin(geometry_serializer_hdf "geometry.h5" SOURCES geometry_hdf_plugin.cpp HdfSerializer.cpp LIBRARIES ${opencascade_geometry_serializer_libraries} ${HDF5_LIBRARIES})
-    endif()
 endif()

 install(TARGETS ${document_serializer_libraries} ${geometry_serializer_libraries})
@@ -1,728 +0,0 @@
-/********************************************************************************
- *                                                                              *
- * 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 defined(WITH_HDF5) && defined(IFOPSH_WITH_OPENCASCADE)
-
-#include "HdfSerializer.h"
-
-#include "../ifcgeom/IfcGeomRenderStyles.h"
-#include "../ifcgeom/kernels/opencascade/OpenCascadeConversionResult.h"
-
-#include "../ifcparse/utils.h"
-
-#include <BRepTools_ShapeSet.hxx>
-#include <BinTools_ShapeSet.hxx>
-#include <boost/lexical_cast.hpp>
-
-#include <iomanip>
-#include <numeric>
-#include <functional>
-#include <cmath>
-
-#ifdef USE_BINARY
-#define write_shape write_binary
-#define read_shape read_binary
-#else
-#define write_shape write_text
-#define read_shape read_text
-#endif
-
-herr_t print_stack(hid_t /*estack*/, void*) {
-	// For debugging: when using IfcConvert on Windows with wcout,
-	// it's difficult to get console output of HDF5 stack traces.
-	/*
-	auto f = fopen("temp.txt", "w");
-	H5Eprint(estack, f);
-	fclose(f);
-	*/
-	return 0;
-}
-
-HdfSerializer::HdfSerializer(const std::string& hdf_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, bool read_only)
-	: GeometrySerializer(geometry_settings, settings)
-	, hdf_filename(hdf_filename)
-	, settings_(settings)
-{
-	H5E_auto2_t fn = &print_stack;
-	H5::Exception::setAutoPrint(fn, nullptr);
-	
-	try {
-		file = H5::H5File(hdf_filename, read_only
-			? H5F_ACC_RDONLY
-			: (H5F_ACC_RDWR | H5F_ACC_CREAT));
-	} catch (H5::Exception& e) {
-		throw ifcopenshell::exception(e.getDetailMsg());
-	}
-	
-	str_type = H5::StrType(H5::PredType::C_S1, H5T_VARIABLE);
-
-#ifdef USE_BINARY
-	auto uint_type = H5::PredType::NATIVE_UINT8;
-	shape_type = H5::VarLenType(&uint_type);
-#else
-	shape_type = str_type;
-#endif
-
-	hsize_t     dims_3[1]{ 3 };
-	double3 = H5::ArrayType(H5::PredType::NATIVE_DOUBLE, 1, dims_3);
-
-	style_compound = H5::CompType(sizeof(surface_style_serialization));
-	style_compound.insertMember("name", HOFFSET(surface_style_serialization, name), str_type);
-	style_compound.insertMember("original_name", HOFFSET(surface_style_serialization, original_name), str_type);
-	style_compound.insertMember("id", HOFFSET(surface_style_serialization, id), H5::PredType::NATIVE_INT);
-	style_compound.insertMember("diffuse", HOFFSET(surface_style_serialization, diffuse), double3);
-	style_compound.insertMember("specular", HOFFSET(surface_style_serialization, specular), double3);
-	style_compound.insertMember("transparency", HOFFSET(surface_style_serialization, transparency), H5::PredType::NATIVE_DOUBLE);
-	style_compound.insertMember("specularity", HOFFSET(surface_style_serialization, specularity), H5::PredType::NATIVE_DOUBLE);
-
-	hsize_t     dims_4x4[2]{ 4, 4 };
-	double4x4 = H5::ArrayType(H5::PredType::NATIVE_DOUBLE, 2, dims_4x4);
-
-	compound = H5::CompType(sizeof(brep_element));
-	compound.insertMember("id", HOFFSET(brep_element, id), H5::PredType::NATIVE_INT);
-	compound.insertMember("matrix", HOFFSET(brep_element, matrix), double4x4);
-	compound.insertMember("shape_serialization", HOFFSET(brep_element, shape_serialization), shape_type);
-	compound.insertMember("surface_style_id", HOFFSET(brep_element, surface_style), style_compound);
-}
-
-bool HdfSerializer::ready() {
-	return true;
-}
-
-void HdfSerializer::writeHeader() {
-}
-
-namespace {
-	template <typename T>
-	H5::DataType h5_datatype_for_cpp();
-
-	template <>
-	H5::DataType h5_datatype_for_cpp<int>() {
-		return H5::PredType::NATIVE_INT;
-	}
-
-	template <>
-	H5::DataType h5_datatype_for_cpp<uint64_t>() {
-		return H5::PredType::NATIVE_UINT64;
-	}
-
-	template <>
-	H5::DataType h5_datatype_for_cpp<double>() {
-		return H5::PredType::NATIVE_DOUBLE;
-	}
-
-	template <>
-	H5::DataType h5_datatype_for_cpp<std::string>() {
-		return H5::StrType(H5::PredType::C_S1, H5T_VARIABLE);
-	}
-
-	template <typename T>
-	void do_read(H5::Attribute& attr, T& val) {
-		attr.read(h5_datatype_for_cpp<T>(), &val);
-	}
-
-	template <>
-	void do_read(H5::Attribute& attr, std::string& val) {
-		attr.read(h5_datatype_for_cpp<std::string>(), val);
-	}
-
-	template <typename T>
-	T read_scalar_attribute(H5::H5Object& l, const std::string& name) {
-		auto attr = l.openAttribute(name);
-		auto space = attr.getSpace();
-		int rank = space.getSimpleExtentNdims();
-		// A scalar dataspace, H5S_SCALAR, has a single element, though that
-		// element may be of a complex datatype, such as a compound or array
-		// datatype. By convention, the rank of a scalar dataspace is always
-		// 0 (zero); 
-		if (rank != 0) {
-			throw std::runtime_error("Invalid");
-		}
-		T val;
-		do_read<T>(attr, val);
-		return val;
-	}
-}
-
-#include <BinTools.hxx>
-
-namespace {
-	// https://github.com/FreeCAD/FreeCAD/blob/master/src/Mod/Part/App/TopoShape.cpp
-	TopoDS_Shape read_binary(const hvl_t& vlen) {
-		std::string s((char*)vlen.p, (size_t)vlen.len);
-		std::istringstream str(s);
-		BinTools_ShapeSet theShapeSet;
-		theShapeSet.Read(str);
-		Standard_Integer shapeId = 0, locId = 0, orient = 0;
-		BinTools::GetInteger(str, shapeId);
-		if (shapeId <= 0 || shapeId > theShapeSet.NbShapes()) {
-			throw std::runtime_error("");
-		}
-
-		BinTools::GetInteger(str, locId);
-		BinTools::GetInteger(str, orient);
-		TopAbs_Orientation anOrient = static_cast<TopAbs_Orientation>(orient);
-
-		TopoDS_Shape shp = theShapeSet.Shape(shapeId);
-		shp.Location(theShapeSet.Locations().Location(locId));
-		shp.Orientation(anOrient);
-
-		return shp;
-	}
-
-	// https://github.com/FreeCAD/FreeCAD/blob/master/src/Mod/Part/App/TopoShape.cpp
-	void write_binary(TopoDS_Shape shp, std::string& s) {
-		std::ostringstream out;
-
-		BinTools_ShapeSet theShapeSet;
-		
-		Standard_Integer shapeId = theShapeSet.Add(shp);
-		Standard_Integer locId = theShapeSet.Locations().Index(shp.Location());
-		Standard_Integer orient = static_cast<int>(shp.Orientation());
-
-		theShapeSet.Write(out);
-		BinTools::PutInteger(out, shapeId);
-		BinTools::PutInteger(out, locId);
-		BinTools::PutInteger(out, orient);
-
-		s = out.str();
-	}
-
-	TopoDS_Shape read_text(const std::string& s) {
-		std::stringstream stream(s);
-		BRep_Builder B;
-		TopoDS_Shape shp;
-		BRepTools::Read(shp, stream, B);
-		return shp;
-	}
-
-	void write_text(TopoDS_Shape shp, std::string& out) {
-		std::stringstream sstream;
-		BRepTools::Write(shp, sstream);
-		out = sstream.str();
-	}
-}
-
-namespace {
-	template <typename T>
-	std::vector<T> read_dataset(const H5::Group& group, const std::string& name) {
-		auto ds = group.openDataSet(name);
-		auto space = ds.getSpace();
-		int rank = space.getSimpleExtentNdims();
-		std::vector<hsize_t> dims(rank);
-		space.getSimpleExtentDims(dims.data(), NULL);
-		const hsize_t total = std::accumulate(dims.begin(), dims.end(), 1U, std::multiplies<hsize_t>());
-		std::vector<T> result(total);
-		ds.read(result.data(), h5_datatype_for_cpp<T>());
-		return result;
-	}
-}
-
-void HdfSerializer::read_surface_style(const surface_style_serialization& s,
-                                       ifcopenshell::geometry::taxonomy::style& gss,
-                                       ifcopenshell::file& f) {
-	if (strlen(s.name) || s.id) {
-		if (!std::isnan(s.diffuse[0])) {
-			gss.diffuse = ifcopenshell::geometry::taxonomy::colour(s.diffuse[0], s.diffuse[1], s.diffuse[2]);
-		}
-		if (!std::isnan(s.specular[0])) {
-			gss.specular = ifcopenshell::geometry::taxonomy::colour(s.specular[0], s.specular[1], s.specular[2]);
-		}
-		if (!std::isnan(s.transparency)) {
-			gss.transparency = s.transparency;
-		}
-		if (!std::isnan(s.specularity)) {
-			gss.specularity = s.specularity;
-		}
-		if (s.id != 0) {
-			gss.instance = f.instance_by_id(s.id).as<express::Entity>();
-		}
-	}
-
-}
-
-void HdfSerializer::remove(const std::string& guid) {
-	if (H5Lexists(file.getId(), guid.c_str(), H5P_DEFAULT)) {
-		file.unlink(guid);
-	}
-}
-
-IfcGeom::Element* HdfSerializer::read(ifcopenshell::file& f, const std::string& guid, const std::string& representation_id_str, read_type rt) {
-	if (!H5Lexists(file.getId(), guid.c_str(), H5P_DEFAULT)) {
-		return nullptr;
-	}
-
-	auto element_group = file.openGroup(guid);
-	if (!H5Lexists(element_group.getId(), representation_id_str.c_str(), H5P_DEFAULT)) {
-		return nullptr;
-	}
-  
-	int id = read_scalar_attribute<int>(element_group, "id");
-	int parent_id = read_scalar_attribute<int>(element_group, "parent_id");
-	std::string type = read_scalar_attribute<std::string>(element_group, "type");
-	std::string name = read_scalar_attribute<std::string>(element_group, "name");
-	std::string context = read_scalar_attribute<std::string>(element_group, "context");
-	std::string unique_id = read_scalar_attribute<std::string>(element_group, "unique_id");
-
-	auto trsf = ifcopenshell::geometry::taxonomy::make<ifcopenshell::geometry::taxonomy::matrix4>();
-	auto placeds = element_group.openDataSet(DATASET_NAME_PLACEMENT);
-	double m44[4][4];
-	placeds.read(m44, H5::PredType::NATIVE_DOUBLE);
-	// @todo check
-	trsf->components() << Eigen::Map<Eigen::Matrix4d>(&m44[0][0]);
-
-	auto representation_group = element_group.openGroup(representation_id_str);
-	std::string geom_id = read_scalar_attribute<std::string>(representation_group, "geom_id");
-
-	auto inst = f.instance_by_id(id).as<express::Entity>();
-
-	boost::shared_ptr<IfcGeom::Representation::BRep> brep_geometry;
-	boost::shared_ptr<IfcGeom::Representation::Triangulation> triangulation_geometry;
-
-	if (rt == READ_BREP) {
-		auto it = brep_cache_.find(representation_id_str);
-		if (it != brep_cache_.end()) {
-			brep_geometry = it->second;
-		}
-	} else {
-		auto it = triangulation_cache_.find(representation_id_str);
-		if (it != triangulation_cache_.end()) {
-			triangulation_geometry = it->second;
-		}
-	}
-
-	if (rt == READ_BREP && !brep_geometry) {
-		auto brepDataset = representation_group.openDataSet(DATASET_NAME_OCCT);
-		
-		/*
-		// @todo
-
-		static const auto ignored_settings =
-			// Settings that do not affect storage of brep data
-			IfcGeom::IteratorSettings::DISABLE_TRIANGULATION | IfcGeom::IteratorSettings::USE_BREP_DATA |
-			// Settings that affect which representation is considered, but cache does not need to be complete
-			IfcGeom::IteratorSettings::INCLUDE_CURVES | IfcGeom::IteratorSettings::EXCLUDE_SOLIDS_AND_SURFACES |
-			// Only affects triangulation
-			IfcGeom::IteratorSettings::WELD_VERTICES | IfcGeom::IteratorSettings::NO_NORMALS |
-			IfcGeom::IteratorSettings::GENERATE_UVS | IfcGeom::IteratorSettings::EDGE_ARROWS |
-			// Is applied in the serializer
-			IfcGeom::IteratorSettings::ELEMENT_HIERARCHY;
-		
-		auto stored_settings = read_scalar_attribute<uint64_t>(brepDataset, "settings");
-		auto requested_settings = settings_.get_raw();
-		stored_settings &= ~ignored_settings;
-		requested_settings &= ~ignored_settings;
-
-		// World coordinates can be applied post hoc
-		if (stored_settings != requested_settings && (stored_settings | IfcGeom::IteratorSettings::USE_WORLD_COORDS) != requested_settings) {
-			throw std::runtime_error("Settings mismatch");
-		}
-		*/
-
-		std::vector<brep_element> parts;
-		{
-			auto space = brepDataset.getSpace();
-			int rank = space.getSimpleExtentNdims();
-
-			if (rank != 1) {
-				return nullptr;
-			}
-
-			std::vector<hsize_t> dims(rank);
-			space.getSimpleExtentDims(dims.data(), NULL);
-
-			parts.resize(dims[0]);
-			brepDataset.read(parts.data(), compound);
-		}
-
-		IfcGeom::ConversionResults shapes;
-		
-		for (auto& part : parts) {
-			TopoDS_Shape shp = read_shape(part.shape_serialization);
-
-			// @todo check
-			auto matrix = ifcopenshell::geometry::taxonomy::make<ifcopenshell::geometry::taxonomy::matrix4>();
-			matrix->components() << Eigen::Map<Eigen::Matrix4d>(&part.matrix[0][0]);
-
-			auto style_ptr = ifcopenshell::geometry::taxonomy::make<ifcopenshell::geometry::taxonomy::style>();
-			read_surface_style(part.surface_style, *style_ptr, f);
-			
-			shapes.push_back(IfcGeom::ConversionResult(part.id, matrix, new ifcopenshell::geometry::OpenCascadeShape(shp), style_ptr));
-		}
-
-		/*
-		// @todo
-
-		// World coordinates can be applied post-hoc
-		if (settings_.get(IfcGeom::IteratorSettings::USE_WORLD_COORDS) && !(stored_settings & IfcGeom::IteratorSettings::USE_WORLD_COORDS)) {
-			for (IfcGeom::ConversionResults::iterator it = shapes.begin(); it != shapes.end(); ++it) {
-				it->prepend(trsf);
-			}
-			trsf = ifcopenshell::geometry::taxonomy::make<ifcopenshell::geometry::taxonomy::matrix4>();
-		}
-		*/
-
-		brep_geometry = boost::shared_ptr<IfcGeom::Representation::BRep>(new IfcGeom::Representation::BRep(geometry_settings(), type, geom_id, shapes));
-
-		/*
-		// @todo
-		if (!settings_.get(IfcGeom::IteratorSettings::USE_WORLD_COORDS)) {
-			brep_cache_.insert({ representation_id_str, brep_geometry });
-		}
-		*/
-	}
-	
-	if (rt == READ_TRIANGULATION && !triangulation_geometry) {
-		H5::Group meshGroup;
-		try {
-			meshGroup = representation_group.openGroup(GROUP_NAME_MESH);
-		} catch (H5::Exception&) {
-			return nullptr;
-		}
-
-		auto verts = read_dataset<double>(meshGroup, DATASET_NAME_POSITIONS);
-		auto faces = read_dataset<int>(meshGroup, DATASET_NAME_INDICES);
-		auto edges = read_dataset<int>(meshGroup, DATASET_NAME_EDGES);
-		auto normals = read_dataset<double>(meshGroup, DATASET_NAME_NORMALS);
-		auto uvcoords = read_dataset<double>(meshGroup, DATASET_NAME_UVCOORDS);
-		auto material_ids = read_dataset<int>(meshGroup, DATASET_NAME_MATERIAL_IDS);
-		auto item_ids = read_dataset<int>(meshGroup, DATASET_NAME_ITEM_IDS);
-		auto edges_item_ids = read_dataset<int>(meshGroup, DATASET_NAME_EDGES_ITEM_IDS);
-
-		std::vector<surface_style_serialization> surface_styles;
-
-		{
-			auto ds = meshGroup.openDataSet(DATASET_NAME_MATERIALS);
-			auto space = ds.getSpace();
-			int rank = space.getSimpleExtentNdims();
-
-			if (rank != 1) {
-				return nullptr;
-			}
-
-			std::vector<hsize_t> dims(rank);
-			space.getSimpleExtentDims(dims.data(), NULL);
-
-			surface_styles.resize(dims[0]);
-			ds.read(surface_styles.data(), style_compound);
-		}
-
-		std::vector<ifcopenshell::geometry::taxonomy::style::ptr> surface_style_ptrs(surface_styles.size());
-
-		for (size_t i = 0; i < surface_styles.size(); ++i) {
-			surface_style_ptrs[i] = ifcopenshell::geometry::taxonomy::make<ifcopenshell::geometry::taxonomy::style>();
-			read_surface_style(surface_styles[i], *surface_style_ptrs[i], f);
-		}
-
-		triangulation_geometry = boost::shared_ptr<IfcGeom::Representation::Triangulation>(new IfcGeom::Representation::Triangulation(
-			geometry_settings_,
-			type,
-			geom_id,
-			verts,
-			faces,
-			edges,
-			normals,
-			uvcoords,
-			material_ids,
-			surface_style_ptrs,
-			item_ids
-			, edges_item_ids
-		));
-
-		triangulation_cache_.insert({ representation_id_str, triangulation_geometry });
-	}
-
-	if (rt == READ_BREP) {
-		return new IfcGeom::BRepElement(id, parent_id, name, type, guid, context, trsf, brep_geometry, inst);
-	} else {
-		return new IfcGeom::TriangulationElement(
-			IfcGeom::Element(
-				geometry_settings_,
-				id,
-				parent_id,
-				name,
-				type,
-				guid,
-				context,
-				trsf,
-				inst
-			),
-			triangulation_geometry
-		);
-	}
-}
-
-H5::Group HdfSerializer::write(const IfcGeom::Element* o) {
-	try {
-		return file.openGroup(o->guid());
-	} catch (H5::Exception&) {}
-
-	H5::Group element_group = file.createGroup(o->guid());
-
-	typedef std::string const & (IfcGeom::Element::*string_member_fun)(void) const;
-	typedef int (IfcGeom::Element::*int_member_fun)(void) const;
-
-	static const std::vector<std::pair<const char* const, string_member_fun>> data_pairs_string = {
-		{"type", &IfcGeom::Element::type},
-		{"name", &IfcGeom::Element::name },
-		{"guid", &IfcGeom::Element::guid },
-		{"context", &IfcGeom::Element::context },
-		{"unique_id", &IfcGeom::Element::unique_id }
-	};
-
-	static const std::vector<std::pair<const char* const, int_member_fun>> data_pairs_int = {
-		{"id", &IfcGeom::Element::id},
-		{"parent_id", &IfcGeom::Element::parent_id },
-	};
-
-	H5::DataSpace attrdspace(H5S_SCALAR);
-
-	for (auto& p : data_pairs_string) {
-		H5::Attribute att = element_group.createAttribute(p.first, str_type, attrdspace);
-		att.write(str_type, ((*o).*(p.second))());
-	}
-
-	for (auto& p : data_pairs_int) {
-		H5::Attribute att = element_group.createAttribute(p.first, H5::PredType::NATIVE_INT, attrdspace);
-		int value = ((*o).*(p.second))();
-		att.write(H5::PredType::NATIVE_INT, &value);
-	}
-
-	hsize_t     dims_4x4[2]{ 4, 4 };
-	H5::DataSpace dataspace_4x4(2, dims_4x4);
-
-	auto placement_dataset = element_group.createDataSet(DATASET_NAME_PLACEMENT, H5::PredType::NATIVE_DOUBLE, dataspace_4x4);
-	const auto& m = o->transformation().data()->ccomponents();
-	// @todo check, is this needed, can we use the storage of Eigen?
-	double m44[4][4] = {
-		{ m(0,0), m(1,0), m(2,0), m(3,0) },
-		{ m(0,1), m(1,1), m(2,1), m(3,1) },
-		{ m(0,2), m(1,2), m(2,2), m(3,2) },
-		{ m(0,3), m(1,3), m(2,3), m(3,3) }
-	};
-	placement_dataset.write(m44, H5::PredType::NATIVE_DOUBLE);
-
-	return element_group;
-}
-
-H5::Group HdfSerializer::createRepresentationGroup(const H5::Group& element_group, const std::string& gid) {
-	// the part before the hyphen is the representation id
-	auto gid2 = gid;
-	auto hyphen = gid2.find("-");
-	if (hyphen != std::string::npos) {
-		gid2 = gid2.substr(0, hyphen);
-	}
-
-	H5::Group representation_group;
-	try {
-		representation_group = element_group.openGroup(gid2);
-	} catch (H5::Exception&) {
-		representation_group = element_group.createGroup(gid2);
-
-		H5::DataSpace attrdspace(H5S_SCALAR);
-		{
-			H5::Attribute att = representation_group.createAttribute("geom_id", str_type, attrdspace);
-			std::string value = gid;
-			att.write(str_type, value);
-		}
-	}
-	return representation_group;
-}
-
-void HdfSerializer::write_style(surface_style_serialization& data, const ifcopenshell::geometry::taxonomy::style::ptr& sptr) {
-	auto& s = *sptr;
-	data.name = s.name.c_str();
-	// @todo
-	data.original_name = s.name.c_str();
-    auto& instance = s.instance;
-	data.id = instance ? instance.id() : 0;
-	if (s.diffuse) {
-		data.diffuse[0] = s.diffuse.ccomponents()(0);
-		data.diffuse[1] = s.diffuse.ccomponents()(1);
-		data.diffuse[2] = s.diffuse.ccomponents()(2);
-	}
-	if (s.specular) {
-		data.specular[0] = s.specular.ccomponents()(0);
-		data.specular[1] = s.specular.ccomponents()(1);
-		data.specular[2] = s.specular.ccomponents()(2);
-	}
-	if (s.transparency == s.transparency) {
-		data.transparency = s.transparency;
-	}
-	if (s.specularity == s.specularity) {
-		data.specularity = s.specularity;
-	}
-}
-
-
-void HdfSerializer::write(const IfcGeom::BRepElement* o) {
-	// Currenly we only support OpenCascade shapes.
-	for (auto it = o->geometry().begin(); it != o->geometry().end(); ++it) {
-		auto shape_ptr = std::dynamic_pointer_cast<ifcopenshell::geometry::OpenCascadeShape>(it->Shape());
-		if (shape_ptr == nullptr) {
-			std::cerr << "WARNING. Only OpenCascade shapes support caching. "
-			          << "Skipping caching for item #" << it->ItemId() << "." << std::endl;
-			return;
-		}
-	}
-
-	static auto nan = std::numeric_limits<double>::quiet_NaN();
-
-	auto element_group = write((const IfcGeom::Element*)o);
-
-	/*
-	// For now we disable softlinks, as it can't be safely used with delete()
-	// @todo we can still cache the serialization or read it from the file probably for a comparible speedup.
-
-	auto it = group_cache_.find(o->geometry().id());
-	if (it != group_cache_.end()) {
-		H5Lcreate_soft(it->second.c_str(), element_group.getLocId(), o->geometry().id().c_str(), H5P_DEFAULT, H5P_DEFAULT);
-		return;
-	}
-	*/
-
-	H5::Group representation_group = createRepresentationGroup(element_group, o->geometry().id());
-
-	/*
-	const size_t len = H5Iget_name(representation_group.getId(), NULL, 0);
-	char* name_buffer = new char[len];
-	H5Iget_name(representation_group.getId(), name_buffer, len + 1);
-	group_cache_.insert(it, { o->geometry().id(), name_buffer });		
-	delete[] name_buffer;
-	*/
-
-	std::list<std::string> brep_strings;
-	size_t num_parts = std::distance(o->geometry().begin(), o->geometry().end());
-	brep_element* parts = new brep_element[num_parts];
-	size_t i = 0;
-	for (auto it = o->geometry().begin(); it != o->geometry().end(); ++it, ++i) {
-		parts[i].id = it->ItemId();
-		const auto& m = o->transformation().data()->ccomponents();
-		// @todo check, is this needed, can we use the storage of Eigen?
-		std::array<std::array<double, 4>, 4> arr = { {
-			{ { m(0,0), m(1,0), m(2,0), m(3,0) } },
-			{ { m(0,1), m(1,1), m(2,1), m(3,1) } },
-			{ { m(0,2), m(1,2), m(2,2), m(3,2) } },
-			{ { m(0,3), m(1,3), m(2,3), m(3,3) } }
-		} };
-		for (int j = 0; j < 4; ++j) {
-			std::copy(arr[j].begin(), arr[j].end(), parts[i].matrix[j]);
-		}
-
-		brep_strings.emplace_back();
-		// OpenCascadeShape type ensured by the check at the method start.
-		write_shape(std::static_pointer_cast<ifcopenshell::geometry::OpenCascadeShape>(it->Shape())->shape(), brep_strings.back());
-		
-		parts[i].surface_style = { "", "", 0, {nan,nan,nan}, {nan,nan,nan}, nan, nan };
-		if (it->hasStyle()) {
-			auto s = it->StylePtr();
-			write_style(parts[i].surface_style, s);
-		}
-
-#ifdef USE_BINARY
-		const auto& s = brep_strings.back();
-		parts[i].shape_serialization.p = new char[s.size()];
-		memcpy(parts[i].shape_serialization.p, s.c_str(), s.size());
-		parts[i].shape_serialization.len = s.size();
-#else
-		parts[i].shape_serialization = brep_strings.back().c_str();
-#endif
-	}
-
-	hsize_t     dimsp[1]{ num_parts };
-	H5::DataSpace dataspace_parts(1, dimsp);
-
-	auto brepDataset = representation_group.createDataSet(DATASET_NAME_OCCT, compound, dataspace_parts);
-	brepDataset.write(parts, compound);
-
-	H5::DataSpace attrdspace(H5S_SCALAR);
-	H5::Attribute att = brepDataset.createAttribute("settings", H5::PredType::NATIVE_UINT64, attrdspace);
-	/*
-	// @todo
-	uint64_t value = o->geometry().settings().get_raw();
-	*/
-	uint64_t value = 0;
-	att.write(H5::PredType::NATIVE_UINT64, &value);
-}
-
-namespace {
-
-	template <typename T>
-	void write_dataset(const H5::Group& group, const std::string& name, const std::vector<T>& ts, size_t stride) {
-		hsize_t d[2]{ ts.size() / stride, stride };
-		H5::DataSpace dataspace(stride == 1 ? 1 : 2, d);
-		auto dt = h5_datatype_for_cpp<T>();
-
-		auto ds = group.createDataSet(name, dt, dataspace);
-		ds.write(ts.data(), dt);
-	}
-
-}
-
-void HdfSerializer::write(const IfcGeom::TriangulationElement* o) {
-	auto element_group = write((const IfcGeom::Element*)o);
-
-	const auto& mesh = o->geometry();
-	H5::Group representation_group = createRepresentationGroup(element_group, o->geometry().id());
-	H5::Group meshGroup = representation_group.createGroup(GROUP_NAME_MESH);
-
-	write_dataset(meshGroup, DATASET_NAME_POSITIONS, mesh.verts(), 3);
-	write_dataset(meshGroup, DATASET_NAME_INDICES, mesh.faces(), 3);
-	write_dataset(meshGroup, DATASET_NAME_EDGES, mesh.edges(), 2);
-	write_dataset(meshGroup, DATASET_NAME_NORMALS, mesh.normals(), 2);
-	write_dataset(meshGroup, DATASET_NAME_UVCOORDS, mesh.uvs(), 2);
-	write_dataset(meshGroup, DATASET_NAME_MATERIAL_IDS, mesh.material_ids(), 1);
-	write_dataset(meshGroup, DATASET_NAME_ITEM_IDS, mesh.item_ids(), 1);
-	write_dataset(meshGroup, DATASET_NAME_EDGES_ITEM_IDS, mesh.edges_item_ids(), 1);
-
-	{
-		auto& ts = mesh.materials();
-		hsize_t d[2] { ts.size() };
-		H5::DataSpace dataspace(1, d);
-		const auto& dt = style_compound;
-
-		std::vector<surface_style_serialization> data;
-		data.reserve(ts.size());
-		for (auto& m : ts) {
-			data.emplace_back();
-			write_style(data.back(), m);
-		}
-
-		auto ds = meshGroup.createDataSet(DATASET_NAME_MATERIALS, dt, dataspace);
-		ds.write(data.data(), dt);
-	}
-}
-
-
-const H5std_string HdfSerializer::DATASET_NAME_POSITIONS = "positions";
-const H5std_string HdfSerializer::DATASET_NAME_UVCOORDS = "uvcoords";
-const H5std_string HdfSerializer::DATASET_NAME_NORMALS = "normals";
-const H5std_string HdfSerializer::DATASET_NAME_INDICES = "indices";
-const H5std_string HdfSerializer::DATASET_NAME_EDGES = "edges";
-const H5std_string HdfSerializer::DATASET_NAME_MATERIAL_IDS = "material_ids";
-const H5std_string HdfSerializer::DATASET_NAME_ITEM_IDS = "item_ids";
-const H5std_string HdfSerializer::DATASET_NAME_EDGES_ITEM_IDS = "edges_item_ids";
-const H5std_string HdfSerializer::DATASET_NAME_MATERIALS = "materials";
-const H5std_string HdfSerializer::DATASET_NAME_OCCT = "brep";
-const H5std_string HdfSerializer::DATASET_NAME_PLACEMENT = "placement";
-
-const H5std_string HdfSerializer::GROUP_NAME_MESH = "mesh";
-
-
-#endif
@@ -1,119 +0,0 @@
-/********************************************************************************
- *                                                                              *
- * 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/>.         *
- *                                                                              *
- ********************************************************************************/
-
-#ifndef HDFSERIALIZER_H
-#define HDFSERIALIZER_H
-
-#if defined(WITH_HDF5) && defined(IFOPSH_WITH_OPENCASCADE)
-
-#include <set>
-#include <string>
-#include <fstream>
-
-#include "H5Cpp.h"
-
-#include "../serializers/serializers_api.h"
-#include "../ifcgeom/GeometrySerializer.h"
-
-#define USE_BINARY
-
-class SERIALIZERS_API HdfSerializer : public GeometrySerializer {
-private:
-	const std::string hdf_filename;
-	unsigned int vcount_total;
-	H5::H5File file;
-	ifcopenshell::geometry::SerializerSettings settings_;
-
-	static const H5std_string DATASET_NAME_POSITIONS;
-	static const H5std_string DATASET_NAME_UVCOORDS;
-	static const H5std_string DATASET_NAME_NORMALS;
-	static const H5std_string DATASET_NAME_INDICES;
-	static const H5std_string DATASET_NAME_EDGES;
-	static const H5std_string DATASET_NAME_MATERIAL_IDS;
-	static const H5std_string DATASET_NAME_ITEM_IDS;
-	static const H5std_string DATASET_NAME_EDGES_ITEM_IDS;
-	static const H5std_string DATASET_NAME_MATERIALS;
-	static const H5std_string DATASET_NAME_OCCT;
-	static const H5std_string DATASET_NAME_PLACEMENT;	
-
-	static const H5std_string GROUP_NAME_MESH;
-
-	struct surface_style_serialization {
-		const char* name;
-		const char* original_name;
-		// 0 if unset
-		unsigned int id;
-		// nan if unset
-		double diffuse[3];
-		double specular[3];
-		double transparency;
-		double specularity;
-	};
-
-	struct brep_element {
-		int id;
-		double matrix[4][4];
-#ifdef USE_BINARY
-		hvl_t shape_serialization;
-#else
-		const char* shape_serialization;
-#endif
-		surface_style_serialization surface_style;
-	};
-
-	H5::CompType compound;
-	H5::CompType style_compound;
-	H5::StrType str_type;
-	H5::ArrayType double4x4, double3;
-	H5::DataType shape_type;
-
-private:
-
-	std::map<std::string, boost::shared_ptr<IfcGeom::Representation::BRep>> brep_cache_;
-	std::map<std::string, boost::shared_ptr<IfcGeom::Representation::Triangulation>> triangulation_cache_;
-	std::map<std::string, std::string> group_cache_;
-
-	H5::Group createRepresentationGroup(const H5::Group& element_group, const std::string& gid);
-	void read_surface_style(const surface_style_serialization& s,
-	                        ifcopenshell::geometry::taxonomy::style& gss,
-	                        ifcopenshell::file& f);
-	void write_style(surface_style_serialization& data, const ifcopenshell::geometry::taxonomy::style::ptr& s);
-
-public:
-	HdfSerializer(const std::string& hdf_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, bool read_only=false);
-	virtual ~HdfSerializer() {}
-	bool ready();
-	void writeHeader();
-
-	H5::Group write(const IfcGeom::Element* o);
-	void write(const IfcGeom::BRepElement* o);
-	void write(const IfcGeom::TriangulationElement* o);
-	void remove(const std::string& guid);
-
-	IfcGeom::Element* read(ifcopenshell::file& f, const std::string& guid, const std::string&, read_type rt = READ_BREP);
-	
-	void finalize() {}
-	bool isTesselated() const { return false; }
-	void setUnitNameAndMagnitude(const std::string& /*name*/, float /*magnitude*/) {}
-	void setFile(ifcopenshell::file*) {}
-};
-
-#endif
-
-#endif
@@ -1,68 +0,0 @@
-/********************************************************************************
- *                                                                              *
- * 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 defined(WITH_HDF5) && defined(IFOPSH_WITH_OPENCASCADE)
-
-#include "geometry_serializer_plugin.h"
-#include "HdfSerializer.h"
-
-#include <boost/dll/alias.hpp>
-#include <boost/make_shared.hpp>
-
-namespace ifcopenshell {
-namespace serializers {
-namespace geometry_hdf_plugin {
-
-plugin::abi_info plugin_abi() {
-	return plugin::host_abi();
-}
-
-plugin::metadata plugin_metadata() {
-	return geometry_serializer_plugin_metadata("h5");
-}
-
-boost::shared_ptr<GeometrySerializer> create_serializer(const geometry_serializer_context& context) {
-	return boost::make_shared<HdfSerializer>(context.output_temp_filename, context.geometry_settings, context.serializer_settings);
-}
-
-void configure_serializer(geometry_serializer_context& context) {
-	context.geometry_settings.get<ifcopenshell::geometry::settings::IteratorOutput>().value = ifcopenshell::geometry::settings::NATIVE;
-}
-
-void register_plugin(geometry_serializer_registry& registry, const plugin::module& module) {
-	geometry_serializer_info info;
-	info.format = "hdf";
-	info.name = "HDF";
-	info.description = "Hierarchical Data Format storing positions, normals and indices.";
-	info.extensions = { ".h5" };
-	info.kernel_ids = { "opencascade" };
-	info.supports_triangulation = true;
-	info.supports_brep = true;
-	registry.bind(info, create_serializer, configure_serializer, module);
-}
-
-}
-}
-}
-
-BOOST_DLL_ALIAS(ifcopenshell::serializers::geometry_hdf_plugin::plugin_abi, ifcopenshell_plugin_abi_v1)
-BOOST_DLL_ALIAS(ifcopenshell::serializers::geometry_hdf_plugin::plugin_metadata, ifcopenshell_plugin_metadata_v1)
-BOOST_DLL_ALIAS(ifcopenshell::serializers::geometry_hdf_plugin::register_plugin, ifcopenshell_register_geometry_serializer_plugin_v1)
-
-#endif
@@ -181,10 +181,8 @@ echo.

 cd "%DEPS_DIR%"

-:: VERSIONS
-:: Don't use HDF5 1.13.0, because it has a broken cmake package path.
-set HDF5_VERSION=1_13_1
-set OCCT_VERSION=7.8.1
+:: VERSIONS
+set OCCT_VERSION=7.8.1
 IF DEFINED QT6_VERSION (
    echo Using overridden QT6_VERSION: '%QT6_VERSION%'
 ) else (
@@ -211,9 +209,8 @@ IF "%IFCOS_INSTALL_PYTHON%"=="TRUE" (
 :: Cache last used CMake generator and configurable dependency dirs for other scripts to use
 :: This is consolidated at the beginning of the script so that the script can be partially
 :: executed by jumping (using goto) to different labels.
-if defined GEN_SHORTHAND echo GEN_SHORTHAND=%GEN_SHORTHAND%>"%~dp0\%BUILD_DEPS_CACHE_PATH%"
-echo HDF5_VERSION=%HDF5_VERSION%>>"%~dp0\%BUILD_DEPS_CACHE_PATH%"
-echo QT6_VERSION=%QT6_VERSION%>>"%~dp0\%BUILD_DEPS_CACHE_PATH%"
+if defined GEN_SHORTHAND echo GEN_SHORTHAND=%GEN_SHORTHAND%>"%~dp0\%BUILD_DEPS_CACHE_PATH%"
+echo QT6_VERSION=%QT6_VERSION%>>"%~dp0\%BUILD_DEPS_CACHE_PATH%"
 IF "%IFCOS_INSTALL_PYTHON%"=="TRUE" (
    echo PYTHONHOME=%PYTHONHOME%>>"%~dp0\%BUILD_DEPS_CACHE_PATH%"
 )
@@ -345,10 +342,10 @@ popd

 :mpfr

-IF EXIST "%INSTALL_DIR%\mpfr" (
-    echo Found existing "%INSTALL_DIR%\mpfr", skipping
-    goto :HDF5
-)
+IF EXIST "%INSTALL_DIR%\mpfr" (
+    echo Found existing "%INSTALL_DIR%\mpfr", skipping
+    goto :Boost
+)

 set DEPENDENCY_NAME=mpfr
 set DEPENDENCY_DIR=%DEPS_DIR%\mpfr
@@ -381,42 +378,9 @@ copy lib\%VS_PLATFORM%\%DEBUG_OR_RELEASE%\* "%INSTALL_DIR%\mpfr"
 IF NOT %ERRORLEVEL%==0 GOTO :Error
 popd

-:HDF5
-
-set DEPENDENCY_NAME=hdf5
-set DEPENDENCY_DIR=%DEPS_DIR%\hdf5-%HDF5_VERSION%
-set HDF5_CMAKE_ZIP=hdf5-%HDF5_VERSION%.zip
-set DEPENDENCY_INSTALL_NAME=HDF5-%HDF5_VERSION%-win%ARCH_BITS%
-set HDF5_INSTALL_NAME=%DEPENDENCY_INSTALL_NAME%
-set NEXT_DEPENDENCY_LABEL=Boost
-
-call :CheckInstallation
-if %ERRORLEVEL%==200 GOTO %NEXT_DEPENDENCY_LABEL%
-
-if "%ARCH_BITS%"=="64" set ARCH_BITS_64=64
-call :DownloadFile ^
-    https://github.com/HDFGroup/hdf5/archive/refs/tags/hdf5-%HDF5_VERSION%.zip ^
-    "%DEPS_DIR%" %HDF5_CMAKE_ZIP%
-IF NOT %ERRORLEVEL%==0 GOTO :Error
-call :ExtractArchive %HDF5_CMAKE_ZIP% "%DEPS_DIR%" "%DEPS_DIR%\hdf5-%HDF5_VERSION%"
-IF NOT %ERRORLEVEL%==0 GOTO :Error
-if exist "%DEPS_DIR%\hdf5-hdf5-%HDF5_VERSION%" ren "%DEPS_DIR%\hdf5-hdf5-%HDF5_VERSION%" "hdf5-%HDF5_VERSION%"
-pushd "%DEPENDENCY_DIR%"
-call :RunCMake -DCMAKE_INSTALL_PREFIX="%INSTALL_DIR%\%HDF5_INSTALL_NAME%" ^
-               -DHDF5_ENABLE_Z_LIB_SUPPORT=OFF -DBUILD_TESTING=OFF ^
-               -DHDF5_BUILD_TOOLS=OFF -DHDF5_BUILD_EXAMPLES=OFF -DBUILD_SHARED_LIBS=OFF -DHDF5_BUILD_UTILS=OFF ^
-               -DHDF5_BUILD_CPP_LIB=ON
-IF NOT %ERRORLEVEL%==0 GOTO :Error
-call :BuildCMakeProject "%DEPENDENCY_DIR%\%BUILD_DIR%" %DEBUG_OR_RELEASE%
-IF NOT %ERRORLEVEL%==0 GOTO :Error
-call :InstallCMakeProject "%DEPENDENCY_DIR%\%BUILD_DIR%" %DEBUG_OR_RELEASE%
-IF NOT %ERRORLEVEL%==0 GOTO :Error
-call :MarkInstallation
-popd
-
-:: Note all of the dependencies have appropriate label so that user can easily skip something if wanted
-:: by modifying this file and using goto.
-:Boost
+:: Note all of the dependencies have appropriate label so that user can easily skip something if wanted
+:: by modifying this file and using goto.
+:Boost
 :: DEPENDENCY_NAME is used for logging and DEPENDENCY_DIR for saving from some redundant typing
 set DEPENDENCY_NAME=Boost %BOOST_VERSION%
 set DEPENDENCY_DIR=%DEPS_DIR%\boost_%BOOST_VER%
@@ -17,9 +17,9 @@
 ::                                                                             ::
 :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
 ::
-:: Example usage:
-::   run-cmake.bat vs2022-x64
-::   run-cmake.bat vs2022-x64 -DGLTF_SUPPORT=ON -DHDF5_SUPPORT=OFF
+:: Example usage:
+::   run-cmake.bat vs2022-x64
+::   run-cmake.bat vs2022-x64 -DGLTF_SUPPORT=ON
 ::
 :: Used environment variables:
 :: - `ADD_COMMIT_SHA` - if defined then `ADD_COMMIT_SHA` and `VERSION_OVERRIDE` cmake args will be set to `ON`.
@@ -93,10 +93,9 @@ if not defined BOOST_INSTALL_DIR (
    set BOOST_INSTALL_DIR=%DEPS_DIR%\boost_1_86_0\stage\%GEN_SHORTHAND%
 )

-set OPENCOLLADA_INSTALL_DIR=%INSTALL_DIR%\OpenCOLLADA
-set LIBXML2_INCLUDE_DIR=%DEPS_DIR%\OpenCOLLADA\Externals\LibXML\include
-set LIBXML2_LIBRARIES=%INSTALL_DIR%\OpenCOLLADA\lib\opencollada\xml.lib
-set HDF5_INSTALL_DIR=%INSTALL_DIR%\HDF5-%HDF5_VERSION%-win%ARCH_BITS%
+set OPENCOLLADA_INSTALL_DIR=%INSTALL_DIR%\OpenCOLLADA
+set LIBXML2_INCLUDE_DIR=%DEPS_DIR%\OpenCOLLADA\Externals\LibXML\include
+set LIBXML2_LIBRARIES=%INSTALL_DIR%\OpenCOLLADA\lib\opencollada\xml.lib

 set PYTHON_EXECUTABLE=%PYTHONHOME%\python.exe
 for /f "usebackq delims=" %%v in (`
@@ -142,11 +141,10 @@ echo    BOOST_INSTALL_DIR       = %BOOST_INSTALL_DIR%
 echo    OCC_INCLUDE_DIR         = %OCC_INCLUDE_DIR%
 echo    OCC_LIBRARY_DIR         = %OCC_LIBRARY_DIR%
 echo    OCC_INSTALL_DIR         = %OCC_INSTALL_DIR%
-echo    OPENCOLLADA_INSTALL_DIR = %OPENCOLLADA_INSTALL_DIR%
-echo    LIBXML2_INCLUDE_DIR     = %LIBXML2_INCLUDE_DIR%
-echo    LIBXML2_LIBRARIES       = %LIBXML2_LIBRARIES%
-echo    HDF5_INSTALL_DIR        = %HDF5_INSTALL_DIR%
-echo    PYTHONHOME              = %PYTHONHOME%
+echo    OPENCOLLADA_INSTALL_DIR = %OPENCOLLADA_INSTALL_DIR%
+echo    LIBXML2_INCLUDE_DIR     = %LIBXML2_INCLUDE_DIR%
+echo    LIBXML2_LIBRARIES       = %LIBXML2_LIBRARIES%
+echo    PYTHONHOME              = %PYTHONHOME%
 echo    PYTHON_INCLUDE_DIR      = %PYTHON_INCLUDE_DIR%
 echo    PYTHON_LIBRARY          = %PYTHON_LIBRARY%
 echo    PYTHON_EXECUTABLE       = %PYTHON_EXECUTABLE%
@@ -173,7 +171,7 @@ set CMAKELISTS_DIR=..\cmake
 if not (%1)==() if exist CMakeCache.txt. del /Q CMakeCache.txt
 echo "Running CMake for %PROJECT_NAME%."

-set CMAKE_PREFIX_PATH=%HDF5_INSTALL_DIR%;%OPENCOLLADA_INSTALL_DIR%;%SWIG_INSTALL_DIR%
+set CMAKE_PREFIX_PATH=%OPENCOLLADA_INSTALL_DIR%;%SWIG_INSTALL_DIR%
 set CMAKE_PREFIX_PATH=%CMAKE_PREFIX_PATH%;%ROCKSDB_INSTALL_DIR%;%ZSTD_INSTALL_DIR%
 set CMAKE_PREFIX_PATH=%CMAKE_PREFIX_PATH%;%BOOST_INSTALL_DIR%;%CCACHE_INSTALL_DIR%
 set CMake_PREFIX_PATH=%CMAKE_PREFIX_PATH%;%USD_INSTALL_DIR%;%TBB_INSTALL_DIR%
@@ -35,15 +35,7 @@ function mark_based_on_artifacts {
        [string]$installation_dir
    )

-    if ($dependency_name -eq "hdf5") {
-        if ($env:BUILD_CFG -eq "Debug") {
-            $artifact = "lib\libhdf5_D.lib"
-        }
-        else {
-            $artifact = "lib\libhdf5.lib"
-        }
-    }
-    elseif ($dependency_name -eq "opencollada") {
+    if ($dependency_name -eq "opencollada") {
        if ($env:BUILD_CFG -eq "Debug") {
            $artifact = "lib\opencollada\OpenCOLLADAFrameworkd.lib"
        }
@@ -109,7 +101,6 @@ function check_installation {


 # Dependencies Release/Debug configs compatibility:
-# - hdf5: incompatible
 # - OpenCASCADE: incompatible
 # - rocksdb: incompatible
 # - opencollada: incompatible
				`@@ -1 +0,0 @@`
				`This cache folder contains .h5 files. These files cache IFC geometry for performance only. You may safely clear the contents of this cache folder without losing data.`