Support adding / editing georeferencing for IFC2X3 fallback psets

src/ifcopenshell-python/ifcopenshell/api/georeference/add_georeferencing.py

@@ -17,6 +17,8 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell
+import ifcopenshell.api.pset
+import ifcopenshell.util.element
 
 
 def add_georeferencing(file: ifcopenshell.file) -> None:
@@ -42,6 +44,25 @@ def add_georeferencing(file: ifcopenshell.file) -> None:
 
         ifcopenshell.api.run("georeference.add_georeferencing", model)
     """
+    if file.schema == "IFC2X3":
+        if not (project := file.by_type("IfcProject")):
+            return
+        project = project[0]
+        if ifcopenshell.util.element.get_pset(project, "ePSet_ProjectedCRS"):
+            return
+        conversion = ifcopenshell.api.pset.add_pset(file, project, "ePSet_MapConversion")
+        crs = ifcopenshell.api.pset.add_pset(file, project, "ePSet_ProjectedCRS")
+        ifcopenshell.api.pset.edit_pset(file, crs, properties={"Name": ""})
+        ifcopenshell.api.pset.edit_pset(
+            file,
+            conversion,
+            properties={
+                "Eastings": file.createIfcLengthMeasure(0),
+                "Northings": file.createIfcLengthMeasure(0),
+                "OrthogonalHeight": file.createIfcLengthMeasure(0),
+            },
+        )
+        return
     if file.by_type("IfcProjectedCRS"):
         return
     source_crs = None

src/ifcopenshell-python/ifcopenshell/api/georeference/edit_georeferencing.py

@@ -100,13 +100,36 @@ def edit_georeferencing(
 
 class Usecase:
     def execute(self):
+        self.set_true_north()
+        if self.file.schema == "IFC2X3":
+            if not (project := self.file.by_type("IfcProject")):
+                return
+            project = project[0]
+            if (crs := ifcopenshell.util.element.get_pset(project, "ePSet_ProjectedCRS")):
+                crs = self.file.by_id(crs["id"])
+                for k, v in self.settings["projected_crs"].items():
+                    if k == "Description":
+                        v = self.file.createIfcText(v)
+                    elif k == "Name":
+                        v = self.file.createIfcLabel(v)
+                    else:
+                        v = self.file.createIfcIdentifier(v)
+                ifcopenshell.api.pset.edit_pset(self.file, crs, properties=self.settings["projected_crs"])
+            if (conversion := ifcopenshell.util.element.get_pset(project, "ePSet_MapConversion")):
+                conversion = self.file.by_id(conversion["id"])
+                for k, v in self.settings["map_conversion"].items():
+                    if k in ("XAxisAbscissa", "XAxisOrdinate", "Scale"):
+                        v = self.file.createIfcReal(v)
+                    else:
+                        v = self.file.createIfcLengthMeasure(v)
+                ifcopenshell.api.pset.edit_pset(self.file, conversion, properties=self.settings["map_conversion"])
+            return
         map_conversion = self.file.by_type("IfcMapConversion")[0]
         projected_crs = self.file.by_type("IfcProjectedCRS")[0]
         for name, value in self.settings["map_conversion"].items():
             setattr(map_conversion, name, value)
         for name, value in self.settings["projected_crs"].items():
             setattr(projected_crs, name, value)
-        self.set_true_north()
 
     def set_true_north(self):
         if not self.settings["true_north"]: