105 lines
3.5 KiB
JavaScript
105 lines
3.5 KiB
JavaScript
// For docs, see:
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// http://developer.mapquest.com/web/products/open/directions-service
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// http://open.mapquestapi.com/directions/
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// https://github.com/apmon/openstreetmap-website/blob/21edc353a4558006f0ce23f5ec3930be6a7d4c8b/app/controllers/routing_controller.rb#L153
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function MapQuestEngine(id, routeType) {
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var MQ_SPRITE_MAP = {
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0: 0, // straight
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1: 1, // slight right
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2: 2, // right
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3: 3, // sharp right
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4: 4, // reverse
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5: 7, // sharp left
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6: 6, // left
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7: 5, // slight left
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8: 4, // right U-turn
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9: 4, // left U-turn
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10: 21, // right merge
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11: 20, // left merge
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12: 21, // right on-ramp
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13: 20, // left on-ramp
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14: 24, // right off-ramp
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15: 25, // left off-ramp
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16: 18, // right fork
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17: 19, // left fork
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18: 0 // straight fork
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};
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return {
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id: id,
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creditline: '<a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="' + document.location.protocol + '//developer.mapquest.com/content/osm/mq_logo.png">',
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draggable: false,
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getRoute: function (points, callback) {
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var from = points[0];
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var to = points[points.length - 1];
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return $.ajax({
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url: document.location.protocol + OSM.MAPQUEST_DIRECTIONS_URL,
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data: {
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key: OSM.MAPQUEST_KEY,
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from: from.lat + "," + from.lng,
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to: to.lat + "," + to.lng,
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routeType: routeType,
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// locale: I18n.currentLocale(), //Doesn't actually work. MapQuest requires full locale e.g. "de_DE", but I18n may only provides language, e.g. "de"
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manMaps: false,
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shapeFormat: "raw",
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generalize: 0,
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unit: "k"
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},
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dataType: "jsonp",
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success: function (data) {
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if (data.info.statuscode !== 0)
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return callback(true);
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var i;
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var line = [];
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var shape = data.route.shape.shapePoints;
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for (i = 0; i < shape.length; i += 2) {
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line.push(L.latLng(shape[i], shape[i + 1]));
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}
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// data.route.shape.maneuverIndexes links turns to polyline positions
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// data.route.legs[0].maneuvers is list of turns
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var steps = [];
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var mq = data.route.legs[0].maneuvers;
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for (i = 0; i < mq.length; i++) {
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var s = mq[i];
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var d;
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var linesegstart, linesegend, lineseg;
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linesegstart = data.route.shape.maneuverIndexes[i];
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if (i === mq.length - 1) {
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d = 15;
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linesegend = linesegstart + 1;
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} else {
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d = MQ_SPRITE_MAP[s.turnType];
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linesegend = data.route.shape.maneuverIndexes[i + 1] + 1;
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}
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lineseg = [];
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for (var j = linesegstart; j < linesegend; j++) {
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lineseg.push(L.latLng(data.route.shape.shapePoints[j * 2], data.route.shape.shapePoints[j * 2 + 1]));
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}
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steps.push([L.latLng(s.startPoint.lat, s.startPoint.lng), d, s.narrative, s.distance * 1000, lineseg]);
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}
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callback(false, {
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line: line,
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steps: steps,
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distance: data.route.distance * 1000,
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time: data.route.time
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});
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},
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error: function () {
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callback(true);
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}
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});
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}
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};
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}
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if (OSM.MAPQUEST_KEY) {
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OSM.Directions.addEngine(new MapQuestEngine("mapquest_bicycle", "bicycle"), true);
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OSM.Directions.addEngine(new MapQuestEngine("mapquest_foot", "pedestrian"), true);
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OSM.Directions.addEngine(new MapQuestEngine("mapquest_car", "fastest"), true);
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}
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