app/assets/javascripts/routing_engines/mapquest_bicycle.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 // *** needs to give credit
   7
   8 OSM.RoutingEngines.list.push({
   9         name: "javascripts.directions.engines.mapquest_bike",
  10         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">',
  11         draggable: false,
  12         _hints: {},
  13         MQ_SPRITE_MAP: {
  14                 0: 1, // straight
  15                 1: 2, // slight right
  16                 2: 3, // right
  17                 3: 4, // sharp right
  18                 4: 5, // reverse
  19                 5: 6, // sharp left
  20                 6: 7, // left
  21                 7: 8, // slight left
  22                 8: 5, // right U-turn
  23                 9: 5, // left U-turn
  24                 10: 2, // right merge
  25                 11: 8, // left merge
  26                 12: 2, // right on-ramp
  27                 13: 8, // left on-ramp
  28                 14: 2, // right off-ramp
  29                 15: 8, // left off-ramp
  30                 16: 2, // right fork
  31                 17: 8, // left fork
  32                 18: 1  // straight fork
  33         },
  34         getRoute: function(isFinal,points) {
  35                 var url="http://open.mapquestapi.com/directions/v2/route?key=Fmjtd%7Cluur290anu%2Crl%3Do5-908a0y";
  36                 var from=points[0]; var to=points[points.length-1];
  37                 url+="&from="+from.join(',');
  38                 url+="&to="+to.join(',');
  39                 url+="&routeType=bicycle";
  40         //url+="&locale=" + I18n.currentLocale(); //Doesn't actually work. MapQuest requires full locale e.g. "de_DE", but I18n only provides language, e.g. "de"
  41                 url+="&manMaps=false";
  42                 url+="&shapeFormat=raw&generalize=0";
  43                 this.requestJSONP(url+"&callback=");
  44         },
  45         gotRoute: function(router,data) {
  46                 // *** what if no route?
  47
  48                 var poly=[];
  49                 var shape=data.route.shape.shapePoints;
  50                 for (var i=0; i<shape.length; i+=2) {
  51                         poly.push(L.latLng(shape[i],shape[i+1]));
  52                 }
  53                 router.setPolyline(poly);
  54
  55                 // data.shape.maneuverIndexes links turns to polyline positions
  56                 // data.legs[0].maneuvers is list of turns
  57                 var steps=[];
  58                 var mq=data.route.legs[0].maneuvers;
  59                 for (var i=0; i<mq.length; i++) {
  60                         var s=mq[i];
  61                         var d=(i==mq.length-1) ? 15: this.MQ_SPRITE_MAP[s.turnType];
  62                         steps.push([L.latLng(s.startPoint.lat, s.startPoint.lng), d, s.narrative, s.distance*1000]);
  63                 }
  64                 router.setItinerary( { steps: steps });
  65         }
  66 });