Fix bug where you couldn't filter imported subelements without also selecting their parents

src/blenderbim/blenderbim/bim/import_ifc.py

@@ -1042,6 +1042,8 @@ class IfcImporter:
     def create_aggregate_collections(self):
         if self.ifc_import_settings.has_filter:
             rel_aggregates = [e.IsDecomposedBy[0] for e in self.elements if e.IsDecomposedBy]
+            rel_aggregates += [e.Decomposes[0] for e in self.elements if e.Decomposes]
+            rel_aggregates = set(rel_aggregates)
         else:
             rel_aggregates = [a for a in self.file.by_type("IfcRelAggregates") if a.RelatingObject.is_a("IfcElement")]
 

src/blenderbim/blenderbim/bim/module/spatial/operator.py

@@ -104,7 +104,7 @@ class CopyToContainer(bpy.types.Operator):
         self.file = IfcStore.get_file()
         objects = list(bpy.data.objects.get(self.obj, context.selected_objects))
         sprops = context.scene.BIMSpatialProperties
-        container_ids = [c.ifc_definition_id for c in sprops.spatial_elements if c.is_selected]
+        container_ids = [c.ifc_definition_id for c in sprops.containers if c.is_selected]
         for obj in objects:
             container = ifcopenshell.util.element.get_container(
                 self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)

src/ifcopenshell-python/ifcopenshell/api/root/copy_class.py

@@ -54,3 +54,6 @@ class Usecase:
         if not element.is_a("IfcProduct") or not element.ObjectPlacement:
             return
         element.ObjectPlacement = ifcopenshell.util.element.copy(self.file, element.ObjectPlacement)
+        element.ObjectPlacement.RelativePlacement = ifcopenshell.util.element.copy_deep(
+            self.file, element.ObjectPlacement.RelativePlacement
+        )

src/ifcopenshell-python/test/api/root/test_copy_class.py

@@ -23,6 +23,7 @@ class TestCopyClass(test.bootstrap.IFC4):
         new = ifcopenshell.api.run("root.copy_class", self.file, product=element)
         assert subelement.ObjectPlacement.PlacementRelTo == element.ObjectPlacement
         assert subelement.ObjectPlacement.PlacementRelTo != new.ObjectPlacement
+        assert element.ObjectPlacement.RelativePlacement != new.ObjectPlacement.RelativePlacement
 
     def test_copying_psets_so_changing_properties_of_the_new_element_does_not_affect_the_old(self):
         element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")