2022-01-19 12:18:33 +11:00
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# 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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2021-08-08 20:13:24 +10:00
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import ifcopenshell
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import ifcopenshell.util.element
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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 = {"material": None, "element": None}
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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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ifcopenshell.api.run("material.unassign_material", self.file, product=self.settings["element"])
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if self.settings["material"].is_a("IfcMaterial"):
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ifcopenshell.api.run(
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"material.assign_material",
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self.file,
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product=self.settings["element"],
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type="IfcMaterial",
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material=self.settings["material"],
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)
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# No other material type can be copied right now.
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# 1. Material lists and constituents may have shape aspects and I
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# haven't implemented it yet.
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# 2. Material layer and profile sets implicitly define parametric
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# geometry and we have no way of guaranteeing that this constraint is
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# satisfied.
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# 3. Material set usages follow an unofficial constraint that all
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# instances must have a usage of their type's material set. We cannot
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# guarantee that constraint.
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