Add unique gml:id on polygons

web/api/dataflows/b/b_get_handler.py

@@ -103,7 +103,7 @@ class BGetHandler:
                 z."year",
                 z.area,
                 ra."name" ra_name,
-                ST_AsGML(3,z.geom,15,16,'gml', z."name") gml,
+                ST_AsGML(3,z.geom,15,17,'gml', z."name") gml,
                 ra.organisation ra_organisation,
                 ra."locator" ra_locator,
                 ra.postcode ra_postcode,

web/helpers/eea/geometry.py

@@ -17,12 +17,15 @@ class Geometry:
         self.namespace = ns
 
     def as_element(self):
+        # Need to have unique gml:id on sub polygon level       
+        toBeReplaced = "gml:Polygon gml:id=" + '"' + self.name + '">'
+        numberOfOccurences = self.gml.count(toBeReplaced)
       
-        self.gml = self.gml.replace("EPSG:","urn:ogc:def:crs:EPSG::" ) 
-                                     
-
-        root = Element("{" + self.namespace + "}geometry")
+        for n in range(1, numberOfOccurences):
+            replacer = "gml:Polygon gml:id=" + '"' + self.name + "_" + str(n) + '">'
+            self.gml = self.gml.replace(toBeReplaced, replacer, 1)      
         
+        root = Element("{" + self.namespace + "}geometry")
         gml = io.StringIO('''<root xmlns:gml="http://www.opengis.net/gml/3.2">''' + self.gml + '</root>' )
         gml_info = ET.parse(gml).getroot()