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Fix bug where if an object placement was reused elsewhere a circular reference was created

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This commit is contained in:
Dion Moult
2022-08-30 20:08:50 +10:00
parent 451512ddff
commit af1a40c913
2 changed files with 36 additions and 1 deletions
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src/ifcopenshell-python/test/api/geometry/test_edit_object_placement.py
+34
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@@ -134,6 +134,40 @@ class TestEditObjectPlacement(test.bootstrap.IFC4):
assert numpy.array_equal(ifcopenshell.util.placement.get_local_placement(element.ObjectPlacement), matrix2)
assert element.ObjectPlacement != element2.ObjectPlacement
def test_changing_an_object_placement_shared_by_its_parent(self):
ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcProject")
ifcopenshell.api.run("unit.assign_unit", self.file)
element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
ifcopenshell.api.run("spatial.assign_container", self.file, product=subelement, relating_structure=element)
matrix1 = numpy.array(
(
(1.0, 0.0, 0.0, 1.0),
(0.0, 1.0, 0.0, 2.0),
(0.0, 0.0, 1.0, 3.0),
(0.0, 0.0, 0.0, 1.0),
)
)
matrix2 = numpy.array(
(
(1.0, 0.0, 0.0, 4.0),
(0.0, 1.0, 0.0, 5.0),
(0.0, 0.0, 1.0, 6.0),
(0.0, 0.0, 0.0, 1.0),
)
)
ifcopenshell.api.run(
"geometry.edit_object_placement", self.file, product=element, matrix=matrix1.copy(), is_si=False
)
subelement.ObjectPlacement = element.ObjectPlacement
ifcopenshell.api.run(
"geometry.edit_object_placement", self.file, product=subelement, matrix=matrix2.copy(), is_si=False
)
assert subelement.ObjectPlacement.PlacementRelTo != subelement.ObjectPlacement
assert numpy.array_equal(ifcopenshell.util.placement.get_local_placement(subelement.ObjectPlacement), matrix2)
assert element.ObjectPlacement != subelement.ObjectPlacement
def test_changing_placements_relative_to_a_spatial_container(self):
ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcProject")
ifcopenshell.api.run("unit.assign_unit", self.file)