Resolve #1836. Scaling in Blender is now auto resolved when representations are updated.

src/ifcopenshell-python/ifcopenshell/api/geometry/add_representation.py

@@ -66,6 +66,15 @@ class Usecase:
         return any([abs((tM @ v.co).z) > threshold for v in face.verts])
 
     def evaluate_geometry(self):
+        if self.settings["blender_object"].scale != Vector((1., 1., 1.)):
+            if self.settings["blender_object"].data.users == 1:
+                context_override = {}
+                context_override["object"] = context_override["active_object"] = self.settings["blender_object"]
+                context_override["selected_objects"] = context_override["selected_editable_objects"] = [self.settings["blender_object"]]
+                bpy.ops.object.transform_apply(context_override, location=False, rotation=False, scale=True)
+            else:
+                self.settings["blender_object"].scale = Vector((1., 1., 1.))
+
         for modifier in self.settings["blender_object"].modifiers:
             if modifier.type == "BOOLEAN":
                 modifier.show_viewport = False

src/ifcopenshell-python/ifcopenshell/api/geometry/unassign_representation.py

@@ -34,9 +34,8 @@ class Usecase:
         self.settings["product"].RepresentationMaps = self.settings["product"].RepresentationMaps or None
 
     def remove_representation_map_only(self, representation_map):
-        dummy_representation = self.file.createIfcShapeRepresentation()
-        representation_map.MappedRepresentation = dummy_representation
-        ifcopenshell.util.element.remove_deep(self.file, representation_map)
+        representation_map.MappedRepresentation = self.file.createIfcShapeRepresentation()
+        ifcopenshell.util.element.remove_deep2(self.file, representation_map)
         self.file.remove(representation_map)
 
     def unassign_products_using_mapped_representation(self, representation_map):