Pass viewbox to Nominatim when geocoding routing endpoints

Fixes #2327
Closes #2328

diff --git a/app/assets/javascripts/index/directions.js b/app/assets/javascripts/index/directions.js
index 4f79ca4719bf014f6d9dc745d31a4487a1bd6011..4c39d6781e1673d61d3e7c28aa186bb509acd464 100644 (file)
--- a/app/assets/javascripts/index/directions.js
+++ b/app/assets/javascripts/index/directions.js
@@ -105,7 +105,9 @@ OSM.Directions = function (map) {
 
       endpoint.awaitingGeocode = true;
 
-      $.getJSON(OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json", function (json) {
+      var viewbox = map.getBounds().toBBoxString(); // <sw lon>,<sw lat>,<ne lon>,<ne lat>
+
+      $.getJSON(OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json&viewbox=" + viewbox, function (json) {
         endpoint.awaitingGeocode = false;
         endpoint.hasGeocode = true;
         if (json.length === 0) {