if roads statement

Author: Santonia27

flood_adapt/database_builder/create_database.py

@@ -1082,9 +1082,10 @@ def update_fiat_elevation(self):
         )
         exposure = pd.read_csv(exposure_csv_path)
         dem = rxr.open_rasterio(dem_file)
-        roads_path = Path(self.fiat_model.root) / "exposure" / "roads.gpkg"
-        roads = gpd.read_file(roads_path).to_crs(dem.spatial_ref.crs_wkt)
-        roads["geometry"] = roads.geometry.centroid  # get centroids
+        if "roads" in self.fiat_model.exposure.geom_names:
+            roads_path = Path(self.fiat_model.root) / "exposure" / "roads.gpkg"
+            roads = gpd.read_file(roads_path).to_crs(dem.spatial_ref.crs_wkt)
+            roads["geometry"] = roads.geometry.centroid  # get centroids
 
         x_points = xr.DataArray(roads["geometry"].x, dims="points")
         y_points = xr.DataArray(roads["geometry"].y, dims="points")