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geometry.unassign_representation to remove shape aspects

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previously it was leaving unused shape aspects unconnected to any other elements, now it will purge them
This commit is contained in:
Andrej730
2024-09-13 16:50:41 +05:00
parent aa289fd796
commit 8061e22480
2 changed files with 39 additions and 3 deletions
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src/ifcopenshell-python/test/api/geometry/test_unassign_representation.py
+16 -1
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@@ -25,26 +25,41 @@ class TestUnassignRepresentation(test.bootstrap.IFC4):
def test_unassigning_a_product_representation(self):
representation = self.file.createIfcShapeRepresentation()
representation2 = self.file.createIfcShapeRepresentation()
item = self.file.create_entity("IfcExtrudedAreaSolid")
representation2.Items = (item,)
wall = self.file.createIfcWall(
Representation=self.file.createIfcProductDefinitionShape(Representations=[representation, representation2])
)
shape_aspect = self.file.create_entity("IfcShapeAspect")
shape_aspect.ShapeRepresentations = (self.file.createIfcShapeRepresentation(Items=(item,)),)
shape_aspect.PartOfProductDefinitionShape = wall.Representation
ifcopenshell.api.geometry.unassign_representation(self.file, product=wall, representation=representation)
assert representation not in wall.Representation.Representations
ifcopenshell.api.geometry.unassign_representation(self.file, product=wall, representation=representation2)
assert not wall.Representation
assert len(self.file.by_type("IfcShapeRepresentation")) == 2
assert len(self.file.by_type("IfcProductDefinitionShape")) == 0
assert len(self.file.by_type("IfcShapeAspect")) == 0
def test_unassigning_a_type_product_representation(self):
representation = self.file.createIfcShapeRepresentation()
item = self.file.create_entity("IfcExtrudedAreaSolid")
representation = self.file.createIfcShapeRepresentation(Items=(item,))
origin = self.file.createIfcAxis2Placement3D()
repmap = self.file.createIfcRepresentationMap(MappedRepresentation=representation, MappingOrigin=origin)
walltype = self.file.createIfcWallType(RepresentationMaps=[repmap])
shape_aspect = self.file.create_entity("IfcShapeAspect")
shape_aspect.ShapeRepresentations = (self.file.createIfcShapeRepresentation(Items=(item,)),)
shape_aspect.PartOfProductDefinitionShape = repmap
ifcopenshell.api.geometry.unassign_representation(self.file, product=walltype, representation=representation)
assert not walltype.RepresentationMaps
assert len(self.file.by_type("IfcAxis2Placement3D")) == 0
assert len(self.file.by_type("IfcRepresentationMap")) == 0
assert len(self.file.by_type("IfcShapeRepresentation")) == 1
assert len(self.file.by_type("IfcShapeAspect")) == 0
def test_unassigning_a_type_product_representation_used_by_instances(self):
representation = self.file.createIfcShapeRepresentation()