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Fix #1931. Fix bug where duplicated type products should not share material associations.

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This commit is contained in:
Dion Moult
2022-01-14 13:15:47 +11:00
parent 5a87ab8171
commit ec38fe2edc
2 changed files with 12 additions and 0 deletions
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src/ifcopenshell-python/ifcopenshell/api/root/copy_class.py
+4
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@@ -39,6 +39,10 @@ class Usecase:
inverse = ifcopenshell.util.element.copy(self.file, inverse) inverse = ifcopenshell.util.element.copy(self.file, inverse)
inverse.RelatingMaterial = ifcopenshell.util.element.copy(self.file, inverse.RelatingMaterial) inverse.RelatingMaterial = ifcopenshell.util.element.copy(self.file, inverse.RelatingMaterial)
inverse.RelatedObjects = [to_element] inverse.RelatedObjects = [to_element]
elif inverse.is_a("IfcRelAssociatesMaterial") and from_element.is_a("IfcTypeProduct"):
inverse = ifcopenshell.util.element.copy(self.file, inverse)
inverse.RelatingMaterial = ifcopenshell.util.element.copy(self.file, inverse.RelatingMaterial)
inverse.RelatedObjects = [to_element]
else: else:
for i, value in enumerate(inverse): for i, value in enumerate(inverse):
if value == from_element: if value == from_element:
src/ifcopenshell-python/test/api/root/test_copy_class.py
+8
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@@ -117,6 +117,14 @@ class TestCopyClass(test.bootstrap.IFC4):
assert new.HasAssociations[0].RelatingMaterial != element.HasAssociations[0].RelatingMaterial assert new.HasAssociations[0].RelatingMaterial != element.HasAssociations[0].RelatingMaterial
assert new.HasAssociations[0].RelatingMaterial.is_a("IfcMaterialLayerSetUsage") assert new.HasAssociations[0].RelatingMaterial.is_a("IfcMaterialLayerSetUsage")
def test_copying_material_sets_for_type_elements_only(self):
element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
material = self.file.createIfcMaterialLayerSet()
self.file.createIfcRelAssociatesMaterial(RelatedObjects=[element], RelatingMaterial=material)
new = ifcopenshell.api.run("root.copy_class", self.file, product=element)
assert new.HasAssociations[0].RelatingMaterial != element.HasAssociations[0].RelatingMaterial
assert new.HasAssociations[0].RelatingMaterial.is_a("IfcMaterialLayerSet")
def test_copying_a_type_and_purging_type_relationships(self): def test_copying_a_type_and_purging_type_relationships(self):
type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType") type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall") element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")