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Relative placements for nested elements are now supported.

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This commit is contained in:
Dion Moult
2022-02-01 17:39:55 +11:00
parent fd8aa6d142
commit 3e10f52965
2 changed files with 34 additions and 0 deletions
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src/ifcopenshell-python/ifcopenshell/api/geometry/edit_object_placement.py
+3
View File
@@ -80,6 +80,9 @@ class Usecase:
elif getattr(self.settings["product"], "Decomposes", None):
relating_object = self.settings["product"].Decomposes[0].RelatingObject
return relating_object.ObjectPlacement if hasattr(relating_object, "ObjectPlacement") else None
elif getattr(self.settings["product"], "Nests", None):
relating_object = self.settings["product"].Nests[0].RelatingObject
return relating_object.ObjectPlacement if hasattr(relating_object, "ObjectPlacement") else None
elif getattr(self.settings["product"], "VoidsElements", None):
relating_object = self.settings["product"].VoidsElements[0].RelatingBuildingElement
return relating_object.ObjectPlacement if hasattr(relating_object, "ObjectPlacement") else None
src/ifcopenshell-python/test/api/geometry/test_edit_object_placement.py
+31
View File
@@ -198,6 +198,37 @@ class TestEditObjectPlacement(test.bootstrap.IFC4):
assert numpy.array_equal(ifcopenshell.util.placement.get_local_placement(subelement.ObjectPlacement), submatrix)
assert subelement.ObjectPlacement.PlacementRelTo == element.ObjectPlacement
def test_changing_placements_relative_to_a_nest_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="IfcChiller")
subelement = ifcopenshell.api.run("system.add_port", self.file, element=element)
matrix = numpy.array(
(
(1.0, 0.0, 0.0, 1.0),
(0.0, 1.0, 0.0, 1.0),
(0.0, 0.0, 1.0, 1.0),
(0.0, 0.0, 0.0, 1.0),
)
)
submatrix = 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),
)
)
ifcopenshell.api.run(
"geometry.edit_object_placement", self.file, product=element, matrix=matrix.copy(), is_si=False
)
ifcopenshell.api.run(
"geometry.edit_object_placement", self.file, product=subelement, matrix=submatrix.copy(), is_si=False
)
assert numpy.array_equal(ifcopenshell.util.placement.get_local_placement(element.ObjectPlacement), matrix)
assert numpy.array_equal(ifcopenshell.util.placement.get_local_placement(subelement.ObjectPlacement), submatrix)
assert subelement.ObjectPlacement.PlacementRelTo == element.ObjectPlacement
def test_changing_placements_relative_to_a_voided_element(self):
ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcProject")
ifcopenshell.api.run("unit.assign_unit", self.file)