Allow user toggle if aggregates are created. Useful for artists.

src/ifcblenderexport/blenderbim/import_ifc.py

@@ -151,7 +151,8 @@ class IfcImporter():
         self.calculate_unit_scale()
         self.create_project()
         self.create_spatial_hierarchy()
-        self.create_aggregates()
+        if self.ifc_import_settings.should_import_aggregates:
+            self.create_aggregates()
         if self.ifc_import_settings.should_import_opening_elements:
             self.create_openings_collection()
         self.purge_diff()
@@ -570,8 +571,10 @@ class IfcImporter():
                 global_id = element.Decomposes[0].RelatingObject.GlobalId
                 if global_id in self.spatial_structure_elements:
                     collection = self.spatial_structure_elements[global_id]['blender']
-            else:
+            elif self.ifc_import_settings.should_import_aggregates:
                 collection = bpy.data.collections.get(f'IfcRelAggregates/{element.Decomposes[0].id()}')
+            else:
+                return self.place_object_in_spatial_tree(element.Decomposes[0].RelatingObject, obj)
             if collection:
                 collection.objects.link(obj)
         elif hasattr(element, 'HasFillings') \
@@ -717,4 +720,5 @@ class IfcImportSettings:
         self.should_use_legacy = False
         self.should_merge_by_class = False
         self.should_merge_by_material = False
+        self.should_import_aggregates = True
         self.diff_file = None

src/ifcblenderexport/blenderbim/operator.py

@@ -101,6 +101,7 @@ class ImportIFC(bpy.types.Operator, ImportHelper):
         ifc_import_settings.should_treat_styled_item_as_material = bpy.context.scene.BIMProperties.import_should_treat_styled_item_as_material
         ifc_import_settings.should_use_cpu_multiprocessing = bpy.context.scene.BIMProperties.import_should_use_cpu_multiprocessing
         ifc_import_settings.should_use_legacy = bpy.context.scene.BIMProperties.import_should_use_legacy
+        ifc_import_settings.should_import_aggregates = bpy.context.scene.BIMProperties.import_should_import_aggregates
         ifc_import_settings.should_merge_by_class = bpy.context.scene.BIMProperties.import_should_merge_by_class
         ifc_import_settings.should_merge_by_material = bpy.context.scene.BIMProperties.import_should_merge_by_material
         ifc_importer = import_ifc.IfcImporter(ifc_import_settings)

src/ifcblenderexport/blenderbim/prop.py

@@ -382,6 +382,7 @@ class BIMProperties(PropertyGroup):
     import_should_treat_styled_item_as_material: BoolProperty(name="Import Treating Styled Item as Material", default=False)
     import_should_use_legacy: BoolProperty(name="Import with Legacy Importer", default=False)
     import_should_use_cpu_multiprocessing: BoolProperty(name="Import with CPU Multiprocessing", default=False)
+    import_should_import_aggregates: BoolProperty(name="Import Aggregates", default=True)
     import_should_merge_by_class: BoolProperty(name="Import and Merge by Class", default=False)
     import_should_merge_by_material: BoolProperty(name="Import and Merge by Material", default=False)
     qa_reject_element_reason: StringProperty(name="Element Rejection Reason")

src/ifcblenderexport/blenderbim/ui.py

@@ -645,6 +645,8 @@ class BIM_PT_mvd(Panel):
 
         layout.label(text='Simplifications:')
 
+        row = layout.row()
+        row.prop(bim_properties, 'import_should_import_aggregates')
         row = layout.row()
         row.prop(bim_properties, 'import_should_merge_by_class')
         row = layout.row()