Accommodate space boundaries with no connection geometry, fetch spatial structure for IFC2X3, and fix scale bug when editing boundary profiles.

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

@@ -80,7 +80,7 @@ class BoundaryDecorator:
 
         for boundary in context.scene.BIMBoundaryProperties.boundaries:
             obj = boundary.obj
-            if not obj:
+            if not obj or not obj.data:  # A boundary may not have data if it has no connection geometry
                 continue
 
             if obj.mode == "EDIT":

src/blenderbim/blenderbim/bim/module/model/data.py

@@ -70,7 +70,10 @@ class AuthoringData:
         declarations = ifcopenshell.util.schema.get_subtypes(declaration)
         names = [d.name() for d in declarations]
 
-        declaration = tool.Ifc.schema().declaration_by_name("IfcSpatialElementType")
+        if tool.Ifc.get_schema() == "IFC2X3":
+            declaration = tool.Ifc.schema().declaration_by_name("IfcSpatialStructureElementType")
+        else:
+            declaration = tool.Ifc.schema().declaration_by_name("IfcSpatialElementType")
         declarations = ifcopenshell.util.schema.get_subtypes(declaration)
         names.extend([d.name() for d in declarations])
 

src/blenderbim/blenderbim/tool/model.py

@@ -279,6 +279,10 @@ class Model(blenderbim.core.tool.Model):
 
         if surface.is_a("IfcCurveBoundedPlane"):
             position = Matrix(ifcopenshell.util.placement.get_axis2placement(surface.BasisSurface.Position).tolist())
+            position[0][3] *= cls.unit_scale
+            position[1][3] *= cls.unit_scale
+            position[2][3] *= cls.unit_scale
+
             cls.import_curve(obj, position, surface.OuterBoundary)
             for inner_boundary in surface.InnerBoundaries:
                 cls.import_curve(obj, position, inner_boundary)