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[rails.git] / app / assets / javascripts / index / directions / graphhopper.js

diff --git a/app/assets/javascripts/index/directions/graphhopper.js b/app/assets/javascripts/index/directions/graphhopper.js
index 356de34778a588ce44ba786fa533ccfc55d08fa7..e72f6d75f32528682ca816bbcc90003fa5e28c31 100644 (file)
--- a/app/assets/javascripts/index/directions/graphhopper.js
+++ b/app/assets/javascripts/index/directions/graphhopper.js
@@ -1,41 +1,47 @@
-function GraphHopperEngine(id, vehicleParam) {
+function GraphHopperEngine(id, vehicleType) {

   var GH_INSTR_MAP = {
   var GH_INSTR_MAP = {

-    "-3": 6, // sharp left
-    "-2": 7, // left
-    "-1": 8, // slight left
-    0: 0, // straight
-    1: 1, // slight right
-    2: 2, // right
-    3: 3, // sharp right
-    4: -1, // finish reached
-    5: -1 // via reached
+    "-3": 7, // sharp left
+    "-2": 6, // left
+    "-1": 5, // slight left
+    "0": 0, // straight
+    "1": 1, // slight right
+    "2": 2, // right
+    "3": 3, // sharp right
+    "4": 14, // finish reached
+    "5": 14, // via reached
+    "6": 10, // roundabout
+    "-7": 19, // keep left
+    "7": 18, // keep right
+    "-98": 4, // unknown direction u-turn
+    "-8": 4, // left u-turn
+    "8": 4 // right u-turn

   };
 
   return {
     id: id,
   };
 
   return {
     id: id,

-    creditline: '<a href="https://graphhopper.com/" target="_blank">Graphhopper</a>',
+    creditline: "<a href=\"https://www.graphhopper.com/\" target=\"_blank\">GraphHopper</a>",

     draggable: false,
 
     getRoute: function (points, callback) {
     draggable: false,
 
     getRoute: function (points, callback) {

-      // documentation
-      // https://github.com/graphhopper/graphhopper/blob/master/docs/web/api-doc.md
-      var url = document.location.protocol + "//graphhopper.com/api/1/route?"
-        + vehicleParam
-        + "&locale=" + I18n.currentLocale()
-        + "&key=LijBPDQGfu7Iiq80w3HzwB4RUDJbMbhs6BU0dEnn"
-        + "&type=jsonp"
-        + "&instructions=true";
-
-      for (var i = 0; i < points.length; i++) {
-        url += "&point=" + points[i].lat + ',' + points[i].lng;
-      }
-
-      $.ajax({
-        url: url,
-        dataType: 'jsonp',
+      // GraphHopper Directions API documentation
+      // https://graphhopper.com/api/1/docs/routing/
+      return $.ajax({
+        url: OSM.GRAPHHOPPER_URL,
+        data: {
+          vehicle: vehicleType,
+          locale: I18n.currentLocale(),
+          key: "LijBPDQGfu7Iiq80w3HzwB4RUDJbMbhs6BU0dEnn",
+          elevation: false,
+          instructions: true,
+          turn_costs: vehicleType === "car",
+          point: points.map(function (p) { return p.lat + "," + p.lng; })
+        },
+        traditional: true,
+        dataType: "json",

         success: function (data) {
         success: function (data) {

-          if (!data.paths || data.paths.length == 0)
+          if (!data.paths || data.paths.length === 0) {

             return callback(true);
             return callback(true);

+          }

 
           var path = data.paths[0];
           var line = L.PolylineUtil.decode(path.points);
 
           var path = data.paths[0];
           var line = L.PolylineUtil.decode(path.points);


@@ -44,31 +50,41 @@ function GraphHopperEngine(id, vehicleParam) {
           var len = path.instructions.length;
           for (var i = 0; i < len; i++) {
             var instr = path.instructions[i];
           var len = path.instructions.length;
           for (var i = 0; i < len; i++) {
             var instr = path.instructions[i];

-            var instrCode = (i === len - 1) ? 15 : GH_INSTR_MAP[instr.sign];
+            var instrCode = (i === len - 1) ? 14 : GH_INSTR_MAP[instr.sign];

             var instrText = "<b>" + (i + 1) + ".</b> ";
             instrText += instr.text;
             var latLng = line[instr.interval[0]];
             var distInMeter = instr.distance;
             var instrText = "<b>" + (i + 1) + ".</b> ";
             instrText += instr.text;
             var latLng = line[instr.interval[0]];
             var distInMeter = instr.distance;

+            var lineseg = [];
+            for (var j = instr.interval[0]; j <= instr.interval[1]; j++) {
+              lineseg.push({ lat: line[j][0], lng: line[j][1] });
+            }

             steps.push([
             steps.push([

-              {lat: latLng.lat, lng: latLng.lng},
+              { lat: latLng[0], lng: latLng[1] },

               instrCode,
               instrText,
               distInMeter,
               instrCode,
               instrText,
               distInMeter,

-              []
+              lineseg

             ]); // TODO does graphhopper map instructions onto line indices?
           }
 
             ]); // TODO does graphhopper map instructions onto line indices?
           }
 

-          callback(null, {
+          callback(false, {

             line: line,
             steps: steps,
             distance: path.distance,
             line: line,
             steps: steps,
             distance: path.distance,

-            time: path.time / 1000
+            time: path.time / 1000,
+            ascend: path.ascend,
+            descend: path.descend

           });
           });

+        },
+        error: function () {
+          callback(true);

         }
       });
     }
   };
 }
 
         }
       });
     }
   };
 }
 

-OSM.Directions.addEngine(GraphHopperEngine("graphhopper_bicycle", "vehicle=bike"), true);
-OSM.Directions.addEngine(GraphHopperEngine("graphhopper_foot", "vehicle=foot"), true);
+OSM.Directions.addEngine(new GraphHopperEngine("graphhopper_car", "car"), true);
+OSM.Directions.addEngine(new GraphHopperEngine("graphhopper_bicycle", "bike"), true);
+OSM.Directions.addEngine(new GraphHopperEngine("graphhopper_foot", "foot"), true);