app/assets/javascripts/routing_engines/mapquest.js

   1 // see:
   2 // http://developer.mapquest.com/web/products/open/directions-service
   3 // http://open.mapquestapi.com/directions/
   4 // https://github.com/apmon/openstreetmap-website/blob/21edc353a4558006f0ce23f5ec3930be6a7d4c8b/app/controllers/routing_controller.rb#L153
   5
   6 MapQuestEngine = function(vehicleName, vehicleParam, locale) {
   7     this.vehicleName = vehicleName;
   8     this.vehicleParam = vehicleParam;
   9     this.locale = locale;
  10     if (!locale)
  11         this.locale = "en";
  12 };
  13
  14 MapQuestEngine.prototype.createConfig = function() {
  15     var that = this;
  16     return {
  17                 name: "javascripts.directions.engines.mapquest_"+this.vehicleName.toLowerCase(),
  18                 creditline: 'Directions courtesy of <a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="http://developer.mapquest.com/content/osm/mq_logo.png">',
  19                 draggable: false,
  20                 _hints: {},
  21                 MQ_SPRITE_MAP: {
  22                         0: 1, // straight
  23                         1: 2, // slight right
  24                         2: 3, // right
  25                         3: 4, // sharp right
  26                         4: 5, // reverse
  27                         5: 6, // sharp left
  28                         6: 7, // left
  29                         7: 8, // slight left
  30                         8: 5, // right U-turn
  31                         9: 5, // left U-turn
  32                         10: 2, // right merge
  33                         11: 8, // left merge
  34                         12: 2, // right on-ramp
  35                         13: 8, // left on-ramp
  36                         14: 2, // right off-ramp
  37                         15: 8, // left off-ramp
  38                         16: 2, // right fork
  39                         17: 8, // left fork
  40                         18: 1  // straight fork
  41                 },
  42                 getRoute: function(isFinal,points) {
  43                         var url="http://open.mapquestapi.com/directions/v2/route?key=Fmjtd%7Cluur290anu%2Crl%3Do5-908a0y";
  44                         var from=points[0]; var to=points[points.length-1];
  45                         url+="&from="+from.join(',');
  46                         url+="&to="+to.join(',');
  47                         url+="&"+that.vehicleParam;
  48                         //url+="&locale=" + I18n.currentLocale(); //Doesn't actually work. MapQuest requires full locale e.g. "de_DE", but I18n only provides language, e.g. "de"
  49                         url+="&manMaps=false";
  50                         url+="&shapeFormat=raw&generalize=0";
  51                         this.requestCORS(url);
  52                 },
  53                 gotRoute: function(router,data) {
  54                         if (data.info.statuscode!=0) return false;
  55
  56                         var poly=[];
  57                         var shape=data.route.shape.shapePoints;
  58                         for (var i=0; i<shape.length; i+=2) {
  59                                 poly.push(L.latLng(shape[i],shape[i+1]));
  60                         }
  61                         router.setPolyline(poly);
  62
  63                         // data.shape.maneuverIndexes links turns to polyline positions
  64                         // data.legs[0].maneuvers is list of turns
  65                         var steps=[];
  66                         var mq=data.route.legs[0].maneuvers;
  67                         for (var i=0; i<mq.length; i++) {
  68                                 var s=mq[i];
  69                                 var d=(i==mq.length-1) ? 15: this.MQ_SPRITE_MAP[s.turnType];
  70                                 steps.push([L.latLng(s.startPoint.lat, s.startPoint.lng), d, s.narrative, s.distance*1000]);
  71                         }
  72                         router.setItinerary( { steps: steps });
  73                         return true;
  74                 }
  75         };
  76 };
  77
  78 OSM.RoutingEngines.list.push(new MapQuestEngine("Bicycle", "routeType=bicycle").createConfig());
  79 OSM.RoutingEngines.list.push(new MapQuestEngine("Foot", "routeType=pedestrian").createConfig());
  80 OSM.RoutingEngines.list.push(new MapQuestEngine("Car", "routeType=fastest").createConfig());
  81 // can be: routeType=fastest|shortest|pedestrian|multimodal|bicycle