69 lines
2.3 KiB
JavaScript
69 lines
2.3 KiB
JavaScript
// OSRM car engine
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// Doesn't yet support hints
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OSRMEngine = function (vehicleName, baseURL, locale) {
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this.vehicleName = vehicleName;
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this.baseURL = baseURL;
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this.locale = locale;
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if (!locale)
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this.locale = "en";
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};
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OSRMEngine.prototype.createConfig = function () {
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var that = this;
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return {
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name: "javascripts.directions.engines.osrm_" + this.vehicleName.toLowerCase(),
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creditline: '<a href="http://project-osrm.org/" target="_blank">OSRM</a>',
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draggable: true,
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_hints: {},
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getRoute: function (isFinal, points) {
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var url = that.baseURL + "?z=14&output=json";
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for (var i = 0; i < points.length; i++) {
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var pair = points[i].join(',');
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url += "&loc=" + pair;
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if (this._hints[pair]) url += "&hint=" + this._hints[pair];
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}
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if (isFinal) url += "&instructions=true";
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this.requestCORS(url);
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},
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gotRoute: function (router, data) {
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if (data.status == 207) {
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return false;
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}
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// Draw polyline
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var line = L.PolylineUtil.decode(data.route_geometry);
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for (i = 0; i < line.length; i++) {
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line[i].lat /= 10;
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line[i].lng /= 10;
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}
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router.setPolyline(line);
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// Assemble instructions
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var steps = [];
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for (i = 0; i < data.route_instructions.length; i++) {
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var s = data.route_instructions[i];
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var linesegend;
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var instCodes = s[0].split('-');
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var instText = "<b>" + (i + 1) + ".</b> ";
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instText += TURN_INSTRUCTIONS[instCodes[0]];
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if (instCodes[1]) {
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instText += "exit " + instCodes[1] + " ";
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}
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if (instCodes[0] != 15) {
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instText += s[1] ? "<b>" + s[1] + "</b>" : I18n.t('javascripts.directions.instructions.unnamed');
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}
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if ((i + 1) < data.route_instructions.length) {
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linesegend = data.route_instructions[i + 1][3] + 1;
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} else {
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linesegend = s[3] + 1;
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}
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steps.push([line[s[3]], s[0].split('-')[0], instText, s[2], line.slice(s[3], linesegend)]);
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}
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if (steps.length) router.setItinerary({ steps: steps, distance: data.route_summary.total_distance, time: data.route_summary.total_time });
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return true;
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}
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};
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};
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OSM.RoutingEngines.add(false, new OSRMEngine("Car", "http://router.project-osrm.org/viaroute").createConfig());
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