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https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
83 lines
3.5 KiB
Python
83 lines
3.5 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.placement
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class Usecase:
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def __init__(self, file, **settings):
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self.file = file
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self.settings = {
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"product": None,
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"relating_structure": None,
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}
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for key, value in settings.items():
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self.settings[key] = value
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def execute(self):
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contained_in_structure = self.settings["product"].ContainedInStructure
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contains_elements = self.settings["relating_structure"].ContainsElements
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if contains_elements and contained_in_structure and contained_in_structure[0] == contains_elements[0]:
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return
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aggregate = ifcopenshell.util.element.get_aggregate(self.settings["product"])
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if aggregate:
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ifcopenshell.api.run(
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"aggregate.unassign_object", self.file, relating_object=aggregate, product=self.settings["product"]
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)
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if contained_in_structure:
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related_elements = list(contained_in_structure[0].RelatedElements)
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related_elements.remove(self.settings["product"])
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if related_elements:
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contained_in_structure[0].RelatedElements = related_elements
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ifcopenshell.api.run("owner.update_owner_history", self.file, **{"element": contained_in_structure[0]})
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else:
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self.file.remove(contained_in_structure[0])
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if contains_elements:
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related_elements = list(contains_elements[0].RelatedElements)
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related_elements.append(self.settings["product"])
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contains_elements[0].RelatedElements = related_elements
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ifcopenshell.api.run("owner.update_owner_history", self.file, **{"element": contains_elements[0]})
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else:
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contains_elements = self.file.create_entity(
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"IfcRelContainedInSpatialStructure",
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**{
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"GlobalId": ifcopenshell.guid.new(),
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"OwnerHistory": ifcopenshell.api.run("owner.create_owner_history", self.file),
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"RelatedElements": [self.settings["product"]],
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"RelatingStructure": self.settings["relating_structure"],
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}
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)
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placement = getattr(self.settings["product"], "ObjectPlacement", None)
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if placement and placement.is_a("IfcLocalPlacement"):
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ifcopenshell.api.run(
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"geometry.edit_object_placement",
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self.file,
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product=self.settings["product"],
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matrix=ifcopenshell.util.placement.get_local_placement(self.settings["product"].ObjectPlacement),
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is_si=False,
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)
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return contains_elements
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