60 lines
2.1 KiB
Python
60 lines
2.1 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.util.element
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def remove_filling(file: ifcopenshell.file, element: ifcopenshell.entity_instance) -> None:
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"""Remove a filling relationship
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If an element is filling an opening, this removes the relationship such
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that the opening and element both still exist, but the element no longer
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fills the opening.
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:param element: The element filling an opening.
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:return: None
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Example:
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.. code:: python
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# Create a wall
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wall = ifcopenshell.api.root.create_entity(model, ifc_class="IfcWall")
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# Create an opening, such as for a service penetration with fire and
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# acoustic requirements.
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opening = ifcopenshell.api.root.create_entity(model, ifc_class="IfcOpeningElement")
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# Create a door
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door = ifcopenshell.api.root.create_entity(model, ifc_class="IfcDoor")
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# The door will now fill the opening.
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ifcopenshell.api.feature.add_filling(model, opening=opening, element=door)
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# Not anymore!
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ifcopenshell.api.feature.remove_filling(model, element=door)
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"""
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for rel in file.by_type("IfcRelFillsElement"):
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if rel.RelatedBuildingElement == element:
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history = rel.OwnerHistory
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file.remove(rel)
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if history:
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ifcopenshell.util.element.remove_deep2(file, history)
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break
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