ResetSpatialElementLocations patch now supports only_xy toggle.

Also rewrote the patch to use API and util functions to make it more
robust.

src/ifcpatch/test/test_ResetSpatialElementLocations.py

@@ -0,0 +1,64 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2025 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+import test.bootstrap
+import ifcopenshell.api
+import ifcopenshell.api.root
+import ifcopenshell.api.unit
+import ifcopenshell.util.unit
+import ifcpatch
+import numpy as np
+
+
+class TestResetSpatialElementLocations(test.bootstrap.IFC4):
+    def test_run(self):
+        project = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcProject")
+        unit = ifcopenshell.api.unit.add_si_unit(self.file, unit_type="LENGTHUNIT")
+        ifcopenshell.api.unit.assign_unit(self.file, units=[unit])
+        site = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcSite")
+        ifcopenshell.api.aggregate.assign_object(self.file, products=[site], relating_object=project)
+        m = np.eye(4)
+        m[0][3] = 42.0
+        m[2][3] = 42.0
+        ifcopenshell.api.geometry.edit_object_placement(self.file, product=site, matrix=m)
+        ifcpatch.execute(
+            {"file": self.file, "recipe": "ResetSpatialElementLocations", "arguments": ["IfcBuilding", False]}
+        )
+        m2 = ifcopenshell.util.placement.get_local_placement(site.ObjectPlacement)
+        assert np.allclose(m, m2)
+        ifcpatch.execute({"file": self.file, "recipe": "ResetSpatialElementLocations", "arguments": ["IfcSite", False]})
+        m2 = ifcopenshell.util.placement.get_local_placement(site.ObjectPlacement)
+        assert np.allclose(m2, np.eye(4))
+        ifcopenshell.api.geometry.edit_object_placement(self.file, product=site, matrix=m)
+        ifcpatch.execute({"file": self.file, "recipe": "ResetSpatialElementLocations", "arguments": ["", False]})
+        m2 = ifcopenshell.util.placement.get_local_placement(site.ObjectPlacement)
+        assert np.allclose(m2, np.eye(4))
+
+        m = np.eye(4)
+        m2 = np.eye(4)
+        m[0][3] = 42.0
+        m[1][3] = 42.0
+        m[2][3] = m2[2][3] = 42.0
+        ifcopenshell.api.geometry.edit_object_placement(self.file, product=site, matrix=m)
+        ifcpatch.execute({"file": self.file, "recipe": "ResetSpatialElementLocations", "arguments": ["", True]})
+        m = ifcopenshell.util.placement.get_local_placement(site.ObjectPlacement)
+        assert np.allclose(m, m2)
+
+
+class TestResetSpatialElementLocationsIFC2X3(test.bootstrap.IFC2X3, TestResetSpatialElementLocations):
+    pass