├── .gitignore ├── LICENSE ├── README.md └── ifc2json.py /.gitignore: -------------------------------------------------------------------------------- 1 | # Byte-compiled / optimized / DLL files 2 | __pycache__/ 3 | *.py[cod] 4 | *$py.class 5 | 6 | # C extensions 7 | *.so 8 | 9 | # Distribution / packaging 10 | .Python 11 | build/ 12 | develop-eggs/ 13 | dist/ 14 | downloads/ 15 | eggs/ 16 | .eggs/ 17 | lib/ 18 | lib64/ 19 | parts/ 20 | sdist/ 21 | var/ 22 | wheels/ 23 | pip-wheel-metadata/ 24 | share/python-wheels/ 25 | *.egg-info/ 26 | .installed.cfg 27 | *.egg 28 | MANIFEST 29 | 30 | # PyInstaller 31 | # Usually these files are written by a python script from a template 32 | # before PyInstaller builds the exe, so as to inject date/other infos into it. 33 | *.manifest 34 | *.spec 35 | 36 | # Installer logs 37 | pip-log.txt 38 | pip-delete-this-directory.txt 39 | 40 | # Unit test / coverage reports 41 | htmlcov/ 42 | .tox/ 43 | .nox/ 44 | .coverage 45 | .coverage.* 46 | .cache 47 | nosetests.xml 48 | coverage.xml 49 | *.cover 50 | *.py,cover 51 | .hypothesis/ 52 | .pytest_cache/ 53 | 54 | # Translations 55 | *.mo 56 | *.pot 57 | 58 | # Django stuff: 59 | *.log 60 | local_settings.py 61 | db.sqlite3 62 | db.sqlite3-journal 63 | 64 | # Flask stuff: 65 | instance/ 66 | .webassets-cache 67 | 68 | # Scrapy stuff: 69 | .scrapy 70 | 71 | # Sphinx documentation 72 | docs/_build/ 73 | 74 | # PyBuilder 75 | target/ 76 | 77 | # Jupyter Notebook 78 | .ipynb_checkpoints 79 | 80 | # IPython 81 | profile_default/ 82 | ipython_config.py 83 | 84 | # pyenv 85 | .python-version 86 | 87 | # pipenv 88 | # According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control. 89 | # However, in case of collaboration, if having platform-specific dependencies or dependencies 90 | # having no cross-platform support, pipenv may install dependencies that don't work, or not 91 | # install all needed dependencies. 92 | #Pipfile.lock 93 | 94 | # PEP 582; used by e.g. github.com/David-OConnor/pyflow 95 | __pypackages__/ 96 | 97 | # Celery stuff 98 | celerybeat-schedule 99 | celerybeat.pid 100 | 101 | # SageMath parsed files 102 | *.sage.py 103 | 104 | # Environments 105 | .env 106 | .venv 107 | env/ 108 | venv/ 109 | ENV/ 110 | env.bak/ 111 | venv.bak/ 112 | 113 | # Spyder project settings 114 | .spyderproject 115 | .spyproject 116 | 117 | # Rope project settings 118 | .ropeproject 119 | 120 | # mkdocs documentation 121 | /site 122 | 123 | # mypy 124 | .mypy_cache/ 125 | .dmypy.json 126 | dmypy.json 127 | 128 | # Pyre type checker 129 | .pyre/ 130 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2020 Jan Brouwer 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # IFC2JSON_python 2 | Python converter from IFC SPF to JSON 3 | -------------------------------------------------------------------------------- /ifc2json.py: -------------------------------------------------------------------------------- 1 | import ifcopenshell 2 | import json 3 | 4 | ifc_file = ifcopenshell.open('./samples/7m900_tue_hello_wall_with_door.ifc') 5 | schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(ifc_file.schema) 6 | id_objects = {} 7 | 8 | def entityToDict(entity): 9 | ref = { 10 | "Type": entity.is_a() 11 | } 12 | attr_dict = entity.__dict__ 13 | 14 | # check for globalid 15 | if "GlobalId" in attr_dict: 16 | ref["ref"] = attr_dict["GlobalId"] 17 | if not attr_dict["GlobalId"] in id_objects: 18 | d = { 19 | "Type": entity.is_a() 20 | } 21 | 22 | for i in range(0,len(entity)): 23 | attr = entity.attribute_name(i) 24 | if attr in attr_dict: 25 | if not attr == "OwnerHistory": 26 | jsonValue = getEntityValue(attr_dict[attr]) 27 | if jsonValue: 28 | d[attr] = jsonValue 29 | if attr_dict[attr] == None: 30 | continue 31 | elif isinstance(attr_dict[attr], ifcopenshell.entity_instance): 32 | d[attr] = entityToDict(attr_dict[attr]) 33 | elif isinstance(attr_dict[attr], tuple): 34 | subEnts = [] 35 | for subEntity in attr_dict[attr]: 36 | if isinstance(subEntity, ifcopenshell.entity_instance): 37 | subEntJson = entityToDict(subEntity) 38 | if subEntJson: 39 | subEnts.append(subEntJson) 40 | else: 41 | subEnts.append(subEntity) 42 | if len(subEnts) > 0: 43 | d[attr] = subEnts 44 | else: 45 | d[attr] = attr_dict[attr] 46 | id_objects[attr_dict["GlobalId"]] = d 47 | return ref 48 | else: 49 | d = { 50 | "Type": entity.is_a() 51 | } 52 | 53 | for i in range(0,len(entity)): 54 | attr = entity.attribute_name(i) 55 | if attr in attr_dict: 56 | if not attr == "OwnerHistory": 57 | jsonValue = getEntityValue(attr_dict[attr]) 58 | if jsonValue: 59 | d[attr] = jsonValue 60 | if attr_dict[attr] == None: 61 | continue 62 | elif isinstance(attr_dict[attr], ifcopenshell.entity_instance): 63 | d[attr] = entityToDict(attr_dict[attr]) 64 | elif isinstance(attr_dict[attr], tuple): 65 | subEnts = [] 66 | for subEntity in attr_dict[attr]: 67 | if isinstance(subEntity, ifcopenshell.entity_instance): 68 | # subEnts.append(None) 69 | subEntJson = entityToDict(subEntity) 70 | if subEntJson: 71 | subEnts.append(subEntJson) 72 | else: 73 | subEnts.append(subEntity) 74 | if len(subEnts) > 0: 75 | d[attr] = subEnts 76 | else: 77 | d[attr] = attr_dict[attr] 78 | return d 79 | 80 | def getEntityValue(value): 81 | if value == None: 82 | jsonValue = None 83 | elif isinstance(value, ifcopenshell.entity_instance): 84 | jsonValue = entityToDict(value) 85 | elif isinstance(value, tuple): 86 | jsonValue = None 87 | subEnts = [] 88 | for subEntity in value: 89 | subEnts.append(getEntityValue(subEntity)) 90 | jsonValue = subEnts 91 | else: 92 | jsonValue = value 93 | return jsonValue 94 | 95 | 96 | jsonObjects= [] 97 | entityIter = iter(ifc_file) 98 | for entity in entityIter: 99 | entityToDict(entity) 100 | for key in id_objects: 101 | jsonObjects.append(id_objects[key]) 102 | with open('7m900_tue_hello_wall_with_door.json', 'w') as outfile: 103 | json.dump(jsonObjects, outfile, indent=4) --------------------------------------------------------------------------------