You can now see and edit WCS in the Blender UI (new API for it too)

src/ifcopenshell-python/test/api/georeference/test_edit_wcs.py

@@ -0,0 +1,47 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2022 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 numpy as np
+import test.bootstrap
+import ifcopenshell.api.root
+import ifcopenshell.api.context
+import ifcopenshell.api.georeference
+import ifcopenshell.util.geolocation
+
+
+class TestEditWCS(test.bootstrap.IFC4):
+    def test_editing_wcs(self):
+        ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcProject")
+        ifcopenshell.api.context.add_context(self.file, "Model")
+        ifcopenshell.api.context.add_context(self.file, "Plan")
+
+        ifcopenshell.api.georeference.edit_wcs(self.file)
+        wcs = ifcopenshell.util.geolocation.get_wcs(self.file)
+        m = np.eye(4)
+        assert np.allclose(wcs, m)
+
+        ifcopenshell.api.georeference.edit_wcs(self.file, x=1, y=2, z=3)
+        m[:, 3] = [1, 2, 3, 1]
+        wcs = ifcopenshell.util.geolocation.get_wcs(self.file)
+        assert np.allclose(wcs, m)
+
+        ifcopenshell.api.georeference.edit_wcs(self.file, x=1, y=2, z=3, rotation=90)
+        m[:, 0] = [0, 1, 0, 0]
+        m[:, 1] = [-1, 0, 0, 0]
+        wcs = ifcopenshell.util.geolocation.get_wcs(self.file)
+        assert np.allclose(wcs, m)