Changes are now synchronised prior to switching representations.

src/blenderbim/blenderbim/tool/geometry.py

@@ -160,10 +160,35 @@ class Geometry(blenderbim.core.tool.Geometry):
         ifc_importer.material_creator.create(element, obj, mesh)
         return mesh
 
+    @classmethod
+    def import_representation_parameters(cls, data):
+        props = data.BIMMeshProperties
+        elements = tool.Ifc.get().traverse(tool.Ifc.get().by_id(props.ifc_definition_id))
+        props.ifc_parameters.clear()
+        for element in elements:
+            if element.is_a("IfcRepresentationItem") or element.is_a("IfcParameterizedProfileDef"):
+                for i in range(0, len(element)):
+                    if element.attribute_type(i) == "DOUBLE":
+                        new = props.ifc_parameters.add()
+                        new.name = "{}/{}".format(element.is_a(), element.attribute_name(i))
+                        new.step_id = element.id()
+                        new.type = element.attribute_type(i)
+                        new.index = i
+                        if element[i]:
+                            new.value = element[i]
+
     @classmethod
     def is_body_representation(cls, representation):
         return representation.ContextOfItems.ContextIdentifier == "Body"
 
+    @classmethod
+    def is_box_representation(cls, representation):
+        return representation.ContextOfItems.ContextIdentifier == "Box"
+
+    @classmethod
+    def is_edited(cls, obj):
+        return list(obj.scale) != [1.0, 1.0, 1.0] or obj in IfcStore.edited_objs
+
     @classmethod
     def is_mapped_representation(cls, representation):
         return representation.RepresentationType == "MappedRepresentation"
@@ -200,6 +225,10 @@ class Geometry(blenderbim.core.tool.Geometry):
             return cls.resolve_mapped_representation(representation.Items[0].MappingSource.MappedRepresentation)
         return representation
 
+    @classmethod
+    def run_geometry_update_representation(cls, obj=None):
+        bpy.ops.bim.update_representation(obj=obj.name, ifc_representation_class="")
+
     @classmethod
     def should_force_faceted_brep(cls):
         return bpy.context.scene.BIMGeometryProperties.should_force_faceted_brep

src/blenderbim/blenderbim/tool/type.py

@@ -114,4 +114,5 @@ class Type(blenderbim.core.tool.Type):
             should_reload=should_reload,
             enable_dynamic_voids=enable_dynamic_voids,
             is_global=is_global,
+            should_sync_changes_first=False,
         )