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Using GraphHopper new API

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Peter 2014-04-01 16:22:06 +02:00
parent 9126653ffd
commit 873c1cb84e
1 changed files with 23 additions and 16 deletions
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37
app/assets/javascripts/routing_engines/graphhopper.js
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@ -15,9 +15,13 @@ GraphHopperEngine.prototype.createConfig = function() {
draggable: false, draggable: false,
_hints: {}, _hints: {},
getRoute: function(isFinal, points) { getRoute: function(isFinal, points) {
var url = "http://graphhopper.com/routing/api/route?" // documentation
// https://github.com/graphhopper/graphhopper/blob/master/docs/web/api-doc.md
var url = "http://graphhopper.com/api/1/route?"
+ that.vehicleParam + that.vehicleParam
+ "&locale=" + I18n.currentLocale(); + "&locale=" + I18n.currentLocale()
+ "&key=LijBPDQGfu7Iiq80w3HzwB4RUDJbMbhs6BU0dEnn";
for (var i = 0; i < points.length; i++) { for (var i = 0; i < points.length; i++) {
var pair = points[i].join(','); var pair = points[i].join(',');
url += "&point=" + pair; url += "&point=" + pair;
@ -28,25 +32,26 @@ GraphHopperEngine.prototype.createConfig = function() {
this.requestJSONP(url + "&type=jsonp&callback="); this.requestJSONP(url + "&type=jsonp&callback=");
}, },
gotRoute: function(router, data) { gotRoute: function(router, data) {
if (!data.info.routeFound) { if (!data.paths || data.paths.length == 0)
return false; return false;
}
// Draw polyline // Draw polyline
var line = L.PolylineUtil.decode(data.route.coordinates); var path = data.paths[0];
var line = L.PolylineUtil.decode(path.points);
router.setPolyline(line); router.setPolyline(line);
// Assemble instructions // Assemble instructions
var steps = []; var steps = [];
var instr = data.route.instructions; var len = path.instructions.length;
for (i = 0; i < instr.descriptions.length; i++) { for (i = 0; i < len; i++) {
var indi = instr.indications[i]; var instr = path.instructions[i];
var instrCode = (i == instr.descriptions.length - 1) ? 15 : this.GH_INSTR_MAP[indi]; var instrCode = (i === len - 1) ? 15 : this.GH_INSTR_MAP[instr.sign];
var instrText = "<b>" + (i + 1) + ".</b> "; var instrText = "<b>" + (i + 1) + ".</b> ";
instrText += instr.descriptions[i]; instrText += instr.text;
var latlng = instr.latLngs[i]; var latLng = line[instr.interval[0]];
var distInMeter = instr.distances[i]; var distInMeter = instr.distance;
steps.push([{lat: latlng[0], lng: latlng[1]}, instrCode, instrText, distInMeter, []]); // TODO does graphhopper map instructions onto line indices? steps.push([{lat: latLng.lat, lng: latLng.lng}, instrCode, instrText, distInMeter, []]); // TODO does graphhopper map instructions onto line indices?
} }
router.setItinerary({ steps: steps, distance: data.route.distance, time: data.route['time']/1000 }); router.setItinerary({ steps: steps, distance: path.distance, time: path.time / 1000 });
return true; return true;
}, },
GH_INSTR_MAP: { GH_INSTR_MAP: {
@ -56,7 +61,9 @@ GraphHopperEngine.prototype.createConfig = function() {
0: 0, // straight 0: 0, // straight
1: 1, // slight right 1: 1, // slight right
2: 2, // right 2: 2, // right
3: 3 // sharp right 3: 3, // sharp right
4: -1, // finish reached
5: -1 // via reached
} }
}; };
}; };