mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Andrej730
67 lines
2.8 KiB
Python
67 lines
2.8 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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import ifcopenshell
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import ifcopenshell.api
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import ifcopenshell.util.element
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def remove_context(file: ifcopenshell.file, context: ifcopenshell.entity_instance) -> None:
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"""Removes an IfcGeometricRepresentationContext
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Any representation geometry that is assigned to the context is also
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removed. If a context is removed, then any subcontexts are also removed.
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:param context: The IfcGeometricRepresentationContext entity to remove
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:type context: ifcopenshell.entity_instance
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:return: None
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:rtype: None
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Example:
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.. code:: python
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model = ifcopenshell.api.run("context.add_context", model, context_type="Model")
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# Revit had a bug where they incorrectly called the body representation a "Facetation"
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body = ifcopenshell.api.run("context.add_context", model,
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context_type="Model", context_identifier="Facetation", target_view="MODEL_VIEW", parent=model
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)
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# Let's just get rid of it completely
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ifcopenshell.api.run("context.remove_context", model, context=body)
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"""
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settings = {"context": context}
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for subcontext in settings["context"].HasSubContexts:
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ifcopenshell.api.run("context.remove_context", file, context=subcontext)
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if getattr(settings["context"], "ParentContext", None):
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new = settings["context"].ParentContext
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for inverse in file.get_inverse(settings["context"]):
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if inverse.is_a("IfcCoordinateOperation"):
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inverse.SourceCRS = inverse.TargetCRS
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ifcopenshell.util.element.remove_deep(file, inverse)
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else:
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ifcopenshell.util.element.replace_attribute(inverse, settings["context"], new)
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file.remove(settings["context"])
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else:
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representations_in_context = settings["context"].RepresentationsInContext
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file.remove(settings["context"])
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for element in representations_in_context:
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ifcopenshell.api.run("geometry.remove_representation", file, representation=element)
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