diff --git a/frontend-js/src/main/js/map/AbstractCustomMap.js b/frontend-js/src/main/js/map/AbstractCustomMap.js
index 65741ab9cbba0a75b56b304146fe0770afaa5f57..3611627375e8c41503553184da0b425b83daf399 100644
--- a/frontend-js/src/main/js/map/AbstractCustomMap.js
+++ b/frontend-js/src/main/js/map/AbstractCustomMap.js
@@ -957,4 +957,12 @@ AbstractCustomMap.prototype.isDebug = function() {
   return this.debug === true;
 };
 
+AbstractCustomMap.prototype.getTopLeftLatLng = function() {
+  return this.getModel().getTopLeftLatLng();
+};
+
+AbstractCustomMap.prototype.getBottomRightLatLng = function() {
+  return this.getModel().getBottomRightLatLng();
+};
+
 module.exports = AbstractCustomMap;