mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
80 lines
3.6 KiB
Python
80 lines
3.6 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.api
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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 = {"product": None, "representation": 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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if self.settings["product"].is_a("IfcProduct"):
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product_type = ifcopenshell.util.element.get_type(self.settings["product"])
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if (
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product_type
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and product_type.RepresentationMaps
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and self.settings["representation"].RepresentationType != "MappedRepresentation"
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):
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self.settings["product"] = product_type
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if self.settings["product"].is_a("IfcProduct"):
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self.assign_product_representation(self.settings["product"], self.settings["representation"])
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elif self.settings["product"].is_a("IfcTypeProduct"):
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if self.settings["product"].RepresentationMaps:
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maps = list(self.settings["product"].RepresentationMaps)
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else:
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maps = []
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self.zero = self.file.createIfcCartesianPoint((0.0, 0.0, 0.0))
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self.x_axis = self.file.createIfcDirection((1.0, 0.0, 0.0))
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self.z_axis = self.file.createIfcDirection((0.0, 0.0, 1.0))
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maps.append(
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self.file.create_entity(
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"IfcRepresentationMap",
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**{
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"MappingOrigin": self.file.createIfcAxis2Placement3D(self.zero, self.z_axis, self.x_axis),
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"MappedRepresentation": self.settings["representation"],
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}
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)
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)
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self.settings["product"].RepresentationMaps = maps
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if self.file.schema == "IFC2X3":
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types = self.settings["product"].ObjectTypeOf
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else:
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types = self.settings["product"].Types
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if types:
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for element in types[0].RelatedObjects:
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mapped_representation = ifcopenshell.api.run(
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"geometry.map_representation", self.file, **{"representation": self.settings["representation"]}
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)
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self.assign_product_representation(element, mapped_representation)
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ifcopenshell.api.run("owner.update_owner_history", self.file, **{"element": self.settings["product"]})
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def assign_product_representation(self, product, representation):
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definition = product.Representation
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if not definition:
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definition = self.file.createIfcProductDefinitionShape()
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product.Representation = definition
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representations = list(definition.Representations) if definition.Representations else []
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representations.append(representation)
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definition.Representations = representations
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