Move boundary origin to space origin

Ensure that boundary origin is same as space origin to assign correct
geometry into IFC.

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

@@ -285,6 +285,7 @@ class UpdateBoundaryGeometry(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
+        tool.Boundary.move_origin_to_space_origin(context.active_object)
         settings = tool.Boundary.get_assign_connection_geometry_settings(context.active_object)
         ifcopenshell.api.run("boundary.assign_connection_geometry", tool.Ifc.get(), **settings)
         return {"FINISHED"}

src/blenderbim/blenderbim/tool/boundary.py

@@ -62,3 +62,12 @@ class Boundary(blenderbim.core.tool.Boundary):
     def polyline_to_2d(cls, polyline, placement_matrix):
         matrix_inv = placement_matrix.inverted()
         return tuple((matrix_inv @ v).to_2d() for v in polyline)
+
+    @classmethod
+    def move_origin_to_space_origin(cls, obj):
+        model = tool.Ifc.get()
+        boundary = tool.Ifc.get_entity(obj)
+        space = tool.Ifc.get_object(boundary.RelatingSpace)
+        translation = obj.matrix_world.translation - space.matrix_world.translation
+        obj.data.transform(mathutils.Matrix.Translation(translation))
+        obj.matrix_world = space.matrix_world