Added hotline based route overlay
Added a overlay which reflects the quality of the route based on either: * cost * altitude * incline
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Matzepan
parent
90dfa5b7f3
commit
9eeca7e2d5
7 changed files with 269 additions and 1 deletions
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@ -199,6 +199,8 @@
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requestUpdate: requestUpdate
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});
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routingPathQuality = new BR.RoutingPathQuality(map, layersControl);
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routing = new BR.Routing({
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routing: {
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router: L.bind(router.getRouteSegment, router)
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@ -233,6 +235,7 @@
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segmentsLayer = routing._segments;
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elevation.update(track, segmentsLayer);
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routingPathQuality.update(track, segmentsLayer);
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if (BR.conf.transit) {
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itinerary.update(track, segments);
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} else {
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@ -244,6 +247,7 @@
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}
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routing.addTo(map);
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routingPathQuality.addTo(map);
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elevation.addBelow(map);
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sidebar = BR.sidebar({
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201
js/plugin/RoutingPathQuality.js
Normal file
201
js/plugin/RoutingPathQuality.js
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@ -0,0 +1,201 @@
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BR.RoutingPathQuality = L.Control.extend({
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initialize: function(map, layersControl) {
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// hotline uses canvas and cannot be moved in front of the svg, so we create another pane
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map.createPane('routingQualityPane');
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map.getPane('routingQualityPane').style.zIndex = 450;
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map.getPane('routingQualityPane').style.pointerEvents = 'none';
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var renderer = new L.Hotline.Renderer({ pane: 'routingQualityPane' });
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this._routingSegments = L.featureGroup();
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layersControl.addOverlay(this._routingSegments, i18next.t('map.layer.route-quality'));
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this.providers = {
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cost: {
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title: i18next.t('map.route-quality-cost'),
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icon: 'fa-usd',
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provider: new HotlineProvider({
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hotlineOptions: {
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renderer: renderer
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},
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valueFunction: function(latLng) {
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let feature = latLng.feature;
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return (
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feature.cost.perKm +
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feature.cost.elev +
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feature.cost.turn +
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feature.cost.node +
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feature.cost.initial
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);
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}
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})
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},
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altitude: {
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title: i18next.t('map.route-quality-altitude'),
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icon: 'fa-area-chart',
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provider: new HotlineProvider({
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hotlineOptions: {
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renderer: renderer
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},
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valueFunction: function(latLng) {
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feature = latLng.feature;
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return latLng.alt;
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}
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})
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},
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incline: {
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title: i18next.t('map.route-quality-incline'),
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icon: 'fa-line-chart',
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provider: new HotlineProvider({
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hotlineOptions: {
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min: -15,
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max: 15,
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palette: {
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0.0: '#ff0000',
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0.5: '#00ff00',
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1.0: '#ff0000'
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},
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renderer: renderer
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},
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valueFunction: function(latLng, prevLatLng) {
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var deltaAltitude = latLng.alt - prevLatLng.alt, // in m
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distance = prevLatLng.distanceTo(latLng); // in m
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if (distance === 0) {
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return 0;
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}
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return (Math.atan(deltaAltitude / distance) * 180) / Math.PI;
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}
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})
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}
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};
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this.selectedProvider = this.options.initialProvider || 'cost';
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},
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onAdd: function(map) {
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var self = this;
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this._map = map;
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this._routingSegments.addTo(map);
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let states = [];
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var i,
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keys = Object.keys(this.providers),
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l = keys.length;
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for (i = 0; i < l; ++i) {
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let provider = this.providers[keys[i]];
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let nextState = keys[(i + 1) % l];
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states.push({
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stateName: keys[i],
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icon: provider.icon,
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title: provider.title,
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onClick: function(btn) {
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btn.state(nextState);
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self.setProvider(nextState);
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}
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});
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}
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this.routingPathButton = new L.easyButton({
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states: states
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}).addTo(map);
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return new L.DomUtil.create('div');
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},
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update: function(track, layer) {
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var segments = [];
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layer.eachLayer(function(layer) {
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segments.push(layer);
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});
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this.segments = segments;
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this._update(this.segments);
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},
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setProvider: function(provider) {
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this.selectedProvider = provider;
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this._update(this.segments);
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this._routingSegments.addTo(this._map);
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},
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_update: function(segments) {
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this._routingSegments.clearLayers();
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let layers = this.providers[this.selectedProvider].provider.computeLayers(segments);
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if (layers) {
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for (let i = 0; i < layers.length; i++) {
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this._routingSegments.addLayer(layers[i]);
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}
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}
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}
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});
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class HotlineProvider {
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constructor(options) {
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this.hotlineOptions = options.hotlineOptions;
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this.valueFunction = options.valueFunction;
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}
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computeLayers(segments) {
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let layers = [];
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if (segments) {
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let segmentLatLngs = [];
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for (let i = 0; segments && i < segments.length; i++) {
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let segment = segments[i];
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segmentLatLngs.push(this._computeLatLngVals(segment));
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}
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let flatLines = segmentLatLngs.flat();
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if (flatLines.length > 0) {
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let hotlineOptions = Object.assign(new Object(), this.hotlineOptions);
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if (!hotlineOptions.min && !hotlineOptions.max) {
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let minMax = this._calcMinMaxValues(flatLines);
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hotlineOptions.min = minMax.min;
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hotlineOptions.max = minMax.max;
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}
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for (let i = 0; i < segmentLatLngs.length; i++) {
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const line = segmentLatLngs[i];
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let hotline = L.hotline(line, hotlineOptions);
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layers.push(hotline);
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}
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}
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}
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return layers;
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}
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_computeLatLngVals(segment) {
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let latLngVals = [],
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segmentLatLngs = segment.getLatLngs(),
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segmentLength = segmentLatLngs.length;
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for (let i = 0; i < segmentLength; i++) {
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var val = this.valueFunction.call(
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this,
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segmentLatLngs[i],
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segmentLatLngs[Math.max(i - 1, 0)],
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i,
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segmentLatLngs
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);
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latLngVals.push(this._convertToArray(segmentLatLngs[i], val));
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}
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return latLngVals;
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}
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_convertToArray(latLng, val) {
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return [latLng.lat, latLng.lng, val];
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}
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_calcMinMaxValues(lines) {
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let min = lines[0][2],
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max = min;
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for (let i = 1; lines && i < lines.length; i++) {
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let line = lines[i];
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max = Math.max(max, line[2]);
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min = Math.min(min, line[2]);
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}
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if (min === max) {
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max = min + 1;
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}
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return {
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min: min,
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max: max
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};
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}
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}
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@ -154,7 +154,7 @@ L.BRouter = L.Class.extend({
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try {
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geojson = JSON.parse(xhr.responseText);
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layer = L.geoJSON(geojson).getLayers()[0];
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layer = this._assignFeatures(L.geoJSON(geojson).getLayers()[0]);
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return cb(null, layer);
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} catch (e) {
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@ -190,6 +190,55 @@ L.BRouter = L.Class.extend({
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xhr.send(profileText);
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},
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_assignFeatures: function(segment) {
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if (segment.feature.properties.messages) {
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let featureMessages = segment.feature.properties.messages,
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segmentLatLngs = segment.getLatLngs(),
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segmentLength = segmentLatLngs.length,
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featureSegmentIndex = 0;
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for (let mi = 1; mi < featureMessages.length; mi++) {
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var featureLatLng = this._getFeatureLatLng(featureMessages[mi]);
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for (let fi = featureSegmentIndex; fi < segmentLength; fi++) {
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let segmentLatLng = segmentLatLngs[fi],
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featureMessage = featureMessages[mi];
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segmentLatLng.feature = this._getFeature(featureMessage);
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segmentLatLng.message = featureMessage;
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if (featureLatLng.equals(segmentLatLngs[fi])) {
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featureSegmentIndex = fi + 1;
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break;
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}
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}
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}
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}
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return segment;
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},
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_getFeature: function(featureMessage) {
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//["Longitude", "Latitude", "Elevation", "Distance", "CostPerKm", "ElevCost", "TurnCost", "NodeCost", "InitialCost", "WayTags", "NodeTags"]
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return {
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cost: {
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perKm: parseInt(featureMessage[4]),
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elev: parseInt(featureMessage[5]),
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turn: parseInt(featureMessage[6]),
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node: parseInt(featureMessage[7]),
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initial: parseInt(featureMessage[8])
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},
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wayTags: featureMessage[9],
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nodeTags: featureMessage[10]
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};
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},
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_getFeatureLatLng: function(message) {
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var lon = message[0] / 1000000,
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lat = message[1] / 1000000;
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return L.latLng(lat, lon);
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},
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_handleProfileResponse: function(xhr, cb) {
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var response;
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