From e6700ea29b6fb7ea5bdab5bf876022a3ac3cbe5f Mon Sep 17 00:00:00 2001
From: Dion Moult <dion@thinkmoult.com>
Date: Thu, 4 Mar 2021 11:58:07 +1100
Subject: [PATCH] Fix bug where existing blender offsets weren't used when
 importing two offset models consecutively

---
 src/ifcblenderexport/blenderbim/bim/import_ifc.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ifcblenderexport/blenderbim/bim/import_ifc.py b/src/ifcblenderexport/blenderbim/bim/import_ifc.py
index a7e221387e..39d93ce06a 100644
--- a/src/ifcblenderexport/blenderbim/bim/import_ifc.py
+++ b/src/ifcblenderexport/blenderbim/bim/import_ifc.py
@@ -477,6 +477,9 @@ class IfcImporter:
         return products
 
     def calculate_model_offset(self):
+        props = bpy.context.scene.BIMGeoreferenceProperties
+        if props.has_blender_offset:
+            return
         project = self.file.by_type("IfcProject")[0]
         site = self.find_decomposed_ifc_class(project, "IfcSite")
         if site and self.is_element_far_away(site[0]):