improved relative path handling for textures #3365

now we're going to store all texture paths in .ifc as posix to keep them working if .ifc moved from one platform to another

previously it was saving all paths as absolute

src/ifcopenshell-python/ifcopenshell/api/style/add_surface_textures.py

@@ -130,12 +130,14 @@ class Usecase:
             return self.create_surface_texture(links[0].from_node, "DIFFUSE")
 
     def create_surface_texture(self, node, mode):
+        import blenderbim.tool as tool
+
         texture = self.file.create_entity(
             "IfcImageTexture",
             RepeatS=node.extension == "REPEAT",
             RepeatT=node.extension == "REPEAT",
             Mode=mode,
-            URLReference=node.image.filepath,
+            URLReference=tool.Blender.blender_path_to_posix(node.image.filepath),
         )
         self.textures.append(texture)
         self.process_texture_coordinates(node, texture)