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test_assign_representation.py
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test_assign_representation.py
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# IfcOpenShell - IFC toolkit and geometry engine
# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
#
# This file is part of IfcOpenShell.
#
# IfcOpenShell is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# IfcOpenShell is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
import test.bootstrap
import ifcopenshell.api
class TestAssignRepresentation(test.bootstrap.IFC4):
def test_assigning_to_a_product(self):
wall = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
rep = self.file.createIfcShapeRepresentation()
ifcopenshell.api.run("geometry.assign_representation", self.file, product=wall, representation=rep)
assert wall.Representation.Representations == (rep,)
def test_assigning_to_a_product_with_existing_representations(self):
wall = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
rep = self.file.createIfcShapeRepresentation()
rep2 = self.file.createIfcShapeRepresentation()
ifcopenshell.api.run("geometry.assign_representation", self.file, product=wall, representation=rep)
ifcopenshell.api.run("geometry.assign_representation", self.file, product=wall, representation=rep2)
assert wall.Representation.Representations == (rep, rep2)
def test_assigning_to_a_type_product(self):
walltype = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
rep = self.file.createIfcShapeRepresentation()
rep2 = self.file.createIfcShapeRepresentation()
ifcopenshell.api.run("geometry.assign_representation", self.file, product=walltype, representation=rep)
ifcopenshell.api.run("geometry.assign_representation", self.file, product=walltype, representation=rep2)
assert walltype.RepresentationMaps[0].MappedRepresentation == rep
assert walltype.RepresentationMaps[1].MappedRepresentation == rep2
def test_assigning_to_a_type_will_map_representations_to_instances(self):
wall = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
walltype = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
ifcopenshell.api.run("type.assign_type", self.file, related_objects=[wall], relating_type=walltype)
context = self.file.createIfcGeometricRepresentationContext()
rep = self.file.createIfcShapeRepresentation(ContextOfItems=context)
rep2 = self.file.createIfcShapeRepresentation(ContextOfItems=context)
ifcopenshell.api.run("geometry.assign_representation", self.file, product=walltype, representation=rep)
ifcopenshell.api.run("geometry.assign_representation", self.file, product=walltype, representation=rep2)
assert wall.Representation.Representations[0].RepresentationType == "MappedRepresentation"
assert wall.Representation.Representations[0].Items[0].MappingSource.MappedRepresentation == rep
assert wall.Representation.Representations[0].Items[0].MappingSource == walltype.RepresentationMaps[0]
assert wall.Representation.Representations[1].RepresentationType == "MappedRepresentation"
assert wall.Representation.Representations[1].Items[0].MappingSource.MappedRepresentation == rep2
assert wall.Representation.Representations[1].Items[0].MappingSource == walltype.RepresentationMaps[1]
def test_assigning_to_an_instance_with_a_geometric_type_adds_it_to_both_the_instance_and_type(self):
context = self.file.createIfcGeometricRepresentationContext()
rep = self.file.createIfcShapeRepresentation(ContextOfItems=context)
rep2 = self.file.createIfcShapeRepresentation(ContextOfItems=context)
walltype = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
ifcopenshell.api.run("geometry.assign_representation", self.file, product=walltype, representation=rep)
wall = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
ifcopenshell.api.run("type.assign_type", self.file, related_objects=[wall], relating_type=walltype)
ifcopenshell.api.run("geometry.assign_representation", self.file, product=wall, representation=rep2)
assert wall.Representation.Representations[0].RepresentationType == "MappedRepresentation"
assert wall.Representation.Representations[0].Items[0].MappingSource.MappedRepresentation == rep
assert walltype.RepresentationMaps[0].MappedRepresentation == rep
assert wall.Representation.Representations[1].RepresentationType == "MappedRepresentation"
assert wall.Representation.Representations[1].Items[0].MappingSource.MappedRepresentation == rep2
assert walltype.RepresentationMaps[1].MappedRepresentation == rep2
def test_assigning_to_an_instance_with_a_nongeometric_type_only_adds_it_to_the_instance(self):
context = self.file.createIfcGeometricRepresentationContext()
rep = self.file.createIfcShapeRepresentation(ContextOfItems=context)
walltype = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
wall = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
ifcopenshell.api.run("type.assign_type", self.file, related_objects=[wall], relating_type=walltype)
ifcopenshell.api.run("geometry.assign_representation", self.file, product=wall, representation=rep)
assert wall.Representation.Representations[0].RepresentationType != "MappedRepresentation"
assert wall.Representation.Representations[0] == rep
assert not walltype.RepresentationMaps
class TestAssignRepresentationIFC2X3(test.bootstrap.IFC2X3, TestAssignRepresentation):
pass