Fix #3757. Adding objects in offset models now correctly stores georeferenced coordinates.

src/blenderbim/blenderbim/bim/import_ifc.py

@@ -748,6 +748,7 @@ class IfcImporter:
                 # positionally significant and is left alone. This handles
                 # scenarios where often spatial elements are left at 0,0,0 and
                 # everything else is at map coordinates.
+                obj.BIMObjectProperties.blender_offset_type = "NOT_APPLICABLE"
                 return mathutils.Matrix(matrix.tolist())
             elif obj.data and obj.data.get("has_cartesian_point_offset", None):
                 obj.BIMObjectProperties.blender_offset_type = "CARTESIAN_POINT"

src/blenderbim/blenderbim/bim/prop.py

@@ -441,7 +441,7 @@ class BIMObjectProperties(PropertyGroup):
     collection: PointerProperty(type=bpy.types.Collection)
     ifc_definition_id: IntProperty(name="IFC Definition ID")
     blender_offset_type: EnumProperty(
-        items=[(o, o, "") for o in ["NONE", "OBJECT_PLACEMENT", "CARTESIAN_POINT"]],
+        items=[(o, o, "") for o in ["NONE", "OBJECT_PLACEMENT", "CARTESIAN_POINT", "NOT_APPLICABLE"]],
         name="Blender Offset",
         default="NONE",
     )

src/blenderbim/blenderbim/core/geometry.py

@@ -33,6 +33,7 @@ def edit_object_placement(
         return
     geometry.clear_cache(element)
     geometry.clear_scale(obj)
+    geometry.get_blender_offset_type(obj)
     ifc.run("geometry.edit_object_placement", product=element, matrix=surveyor.get_absolute_matrix(obj))
     geometry.record_object_position(obj)
 

src/blenderbim/blenderbim/tool/geometry.py

@@ -40,7 +40,7 @@ import blenderbim.bim.import_ifc
 from math import radians, pi
 from mathutils import Vector, Matrix
 from blenderbim.bim.ifc import IfcStore
-from typing import Union, Iterable
+from typing import Union, Iterable, Optional
 
 
 class Geometry(blenderbim.core.tool.Geometry):
@@ -982,3 +982,11 @@ class Geometry(blenderbim.core.tool.Geometry):
     def delete_opening_object_placement(cls, placement):
         model = tool.Ifc.get()
         ifcopenshell.util.element.remove_deep2(model, placement)
+
+    @classmethod
+    def get_blender_offset_type(cls, obj: bpy.types.Object) -> Optional[str]:
+        props = bpy.context.scene.BIMGeoreferenceProperties
+        if props.has_blender_offset:
+            if (result := obj.BIMObjectProperties.blender_offset_type) == "NONE":
+                result = obj.BIMObjectProperties.blender_offset_type = "OBJECT_PLACEMENT"
+            return result

src/blenderbim/blenderbim/tool/surveyor.py

@@ -28,7 +28,7 @@ class Surveyor(blenderbim.core.tool.Surveyor):
     def get_absolute_matrix(cls, obj):
         matrix = np.array(obj.matrix_world)
         props = bpy.context.scene.BIMGeoreferenceProperties
-        if props.has_blender_offset and obj.BIMObjectProperties.blender_offset_type == "OBJECT_PLACEMENT":
+        if props.has_blender_offset and obj.BIMObjectProperties.blender_offset_type != "NOT_APPLICABLE":
             unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
             matrix = np.array(
                 ifcopenshell.util.geolocation.local2global(