passerelle/apps/opengis/models.py

@@ -161,6 +161,9 @@ class OpenGIS(BaseResource):
             'request': 'GetFeature',
             self.get_typename_label(): typename or self.query_layer,
             'outputFormat': self.get_output_format(),
+            # force usage of EPSG:4326 (=WGS 84) as required by GeoJSON
+            # https://www.rfc-editor.org/rfc/rfc7946#section-4
+            'srsName': 'EPSG:4326',
         }
         if property_name:
             params['propertyName'] = property_name