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New utility to get spatial and object decompositions from any IFC element

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This commit is contained in:
Dion Moult
2021-09-17 15:40:27 +10:00
parent 2b4d4439ea
commit 02a68f6827
2 changed files with 26 additions and 0 deletions
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src/ifcopenshell-python/test/util/test_element.py
+12
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@@ -174,6 +174,18 @@ class TestGetContainerIFC4(test.bootstrap.IFC4):
assert ifcopenshell.util.element.get_container(subelement) == building
class TestGetDecompositionIFC4(test.bootstrap.IFC4):
def test_getting_decomposed_subelements_of_an_element(self):
element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcElementAssembly")
subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBeam")
building = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
ifcopenshell.api.run("spatial.assign_container", self.file, product=element, relating_structure=building)
ifcopenshell.api.run("aggregate.assign_object", self.file, product=subelement, relating_object=element)
results = ifcopenshell.util.element.get_decomposition(building)
assert element in results
assert subelement in results
class TestGetAggregateIFC4(test.bootstrap.IFC4):
def test_getting_the_containing_aggregate_of_a_subelement(self):
element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")