Migrate to OpenLayers
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176
front/index.js
176
front/index.js
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@ -1,36 +1,76 @@
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const L = require('leaflet');
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require('ol/ol.css');
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const {Map, View} = require('ol');
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const TileLayer = require('ol/layer/Tile').default;
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const XYZSource = require('ol/source/XYZ').default;
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const VectorLayer = require('ol/layer/Vector').default;
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const VectorSource = require('ol/source/Vector').default;
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const Feature = require('ol/Feature').default;
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const Point = require('ol/geom/Point').default;
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const LineString = require('ol/geom/LineString').default;
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const proj = require('ol/proj');
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const {Style, Fill, Stroke, Circle} = require('ol/style');
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const color = require('color');
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require('leaflet/dist/leaflet.css');
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// Map background
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const mapboxToken = `pk.eyJ1IjoibWF0dGVvZGVsYWJyZSIsImEiOiJjazUxaWNsdXcwdWhjM2\
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9tc2xndXJoNGtxIn0.xELwMerqJLFimIqU6RxnZw`;
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// MAP
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const map = L.map('map').setView(
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[43.605, 3.88],
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/* zoomLevel = */ 13
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);
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const backgroundSource = new XYZSource({
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url: 'https://api.mapbox.com/' + [
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'styles', 'v1', 'mapbox', 'streets-v11',
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'tiles', '256', '{z}', '{x}', '{y}',
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].join('/') + `?access_token=${mapboxToken}`,
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});
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L.tileLayer('https://api.mapbox.com/styles/v1/{id}/tiles/{z}/{x}/{y}?access_token={accessToken}', {
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attribution: [
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// TODO: Attribution des données TaM
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`Données cartographiques © Contributeurs d’<a href="https://www.open\
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streetmap.org/">OpenStreetMap</a>, <a href="https://creativecommons.org/\
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licenses/by-sa/2.0/">CC-BY-SA</a>`,
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'Imagerie © <a href="https://www.mapbox.com/">Mapbox</a>',
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].join(' | '),
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const backgroundLayer = new TileLayer({
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source: backgroundSource,
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});
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id: 'mapbox/streets-v11',
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tileSize: 512,
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// Data overlay
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const dataSource = new VectorSource();
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accessToken: 'pk.eyJ1IjoibWF0dGVvZGVsYWJyZSIsImEiOiJjazUxaWNsdXcwdWhjM29tc2xndXJoNGtxIn0.xELwMerqJLFimIqU6RxnZw',
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const SERVER = window.origin;
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maxZoom: 19,
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zoomSnap: 0,
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zoomOffset: -1,
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}).addTo(map);
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fetch(SERVER + '/network').then(res => res.json()).then(network =>
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{
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const stopPoints = Object.entries(network.stops)
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.map(([stopId, stop]) =>
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{
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const feature = new Feature({
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type: 'stop',
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color: network.lines[stop.lines[0]].color,
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geometry: new Point(proj.fromLonLat([stop.lon, stop.lat])),
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});
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// </MAP>
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//
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// TAM
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feature.setId(stopId);
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return feature;
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});
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const segmentLines = Object.entries(network.segments)
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.map(([segmentId, segment]) =>
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{
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const feature = new Feature({
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type: 'segment',
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color: network.lines[segment.lines[0]].color,
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geometry: new LineString(segment.nodes.map(
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({lat, lon}) => proj.fromLonLat([lon, lat])
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)),
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})
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feature.setId(segmentId);
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return feature;
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});
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dataSource.addFeatures(
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stopPoints.concat(segmentLines)
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);
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});
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const makeBorderColor = mainColor =>
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{
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@ -39,41 +79,55 @@ const makeBorderColor = mainColor =>
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return hsl.hex();
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};
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const SERVER = window.origin;
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fetch(SERVER + '/network').then(res => res.json()).then(network =>
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{
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Object.values(network.segments).forEach(segment =>
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const dataLayer = new VectorLayer({
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source: dataSource,
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style: (feature, resolution) =>
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{
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const color = network.lines[segment.lines[0]].color;
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const borderColor = makeBorderColor(color);
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const nodes = segment.nodes.map(({lat, lon}) => [lat, lon]);
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L.polyline(nodes, {weight: 8, color: borderColor}).addTo(map);
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const line = L.polyline(nodes, {weight: 6, color}).addTo(map);
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line.bindPopup(`${segment.length} m`);
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});
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Object.entries(network.stops).forEach(([stopId, stop]) =>
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{
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const color = network.lines[stop.lines[0]].color;
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const borderColor = makeBorderColor(color);
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const stopMarker = L.circleMarker(
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[stop.lat, stop.lon],
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{
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fillColor: color,
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radius: 6,
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fillOpacity: 1,
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color: borderColor,
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weight: 2
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}
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).addTo(map);
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stopMarker.bindPopup(`<strong>${stop.name}</strong><br>
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Arrêt n°${stopId}`);
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});
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console.log(network);
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if (feature.get('type') === 'stop')
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{
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return new Style({
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image: new Circle({
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fill: new Fill({
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color: feature.get('color'),
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}),
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stroke: new Stroke({
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color: makeBorderColor(feature.get('color')),
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width: 2,
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}),
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radius: 6,
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}),
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});
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}
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else if (feature.get('type') === 'segment')
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{
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return [
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new Style({
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stroke: new Stroke({
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color: makeBorderColor(feature.get('color')),
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width: 8,
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}),
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}),
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new Style({
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stroke: new Stroke({
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color: feature.get('color'),
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width: 6,
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}),
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}),
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];
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}
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},
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});
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// Setup map
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const map = new Map({
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target: 'map',
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layers: [
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backgroundLayer,
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dataLayer,
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],
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view: new View({
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center: proj.fromLonLat([3.88, 43.605]),
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zoom: 13,
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maxZoom: 22,
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}),
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});
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@ -0,0 +1,71 @@
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/**
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* Based on https://github.com/mikhailshilkov/leaflet-corridor
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*/
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const leaflet = require('leaflet');
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/**
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* Polyline whose weight is based on a fixed number of meters of thickness
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* rather than a static number of pixels.
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*/
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const Corridor = leaflet.Polyline.extend({
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initialize(latlngs, options)
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{
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leaflet.Polyline.prototype.initialize.call(this, latlngs, options);
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this.corridor = options.corridor;
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},
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onAdd(map)
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{
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leaflet.Polyline.prototype.onAdd.call(this, map);
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map.on('zoomend', () => this._updateWeight(map));
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this._updateWeight(map);
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},
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onRemove(map)
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{
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map.off('zoomend', () => this._updateWeight(map));
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leaflet.Polyline.prototype.onRemove.call(this, map);
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},
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/**
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* Update the actual line weight to span the requested number of meters
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* based on the current meter density.
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*/
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_updateWeight(map)
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{
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this.setStyle({
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weight: this.corridor / this._getMetersPerPixel(map)
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});
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},
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/**
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* Calculate how many meters are in a pixel at the current zoom level
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* around the current center point.
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*
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* @param map Map to take the zoom level from.
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* @return Number of meters per pixel.
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*/
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_getMetersPerPixel(map)
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{
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const centerLatLng = map.getCenter();
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const centerPixels = map.latLngToContainerPoint(centerLatLng);
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// Place two points left and right of the center
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const point1 = leaflet.point(centerPixels.x + 5, centerPixels.y);
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const point2 = leaflet.point(centerPixels.x - 5, centerPixels.y);
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// Convert back to latitude and longitude then compute distance
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const point1LatLng = map.containerPointToLatLng(point1);
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const point2LatLng = map.containerPointToLatLng(point2);
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console.log(point1LatLng.distanceTo(point2LatLng) / 10, 'mètres par pixel');
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return point1LatLng.distanceTo(point2LatLng) / 10;
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},
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});
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module.exports = (latlngs, options) => new Corridor(
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latlngs,
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options || { corridor: 100 }
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);
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@ -908,6 +908,11 @@
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"resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz",
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"integrity": "sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw=="
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},
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"@openlayers/pepjs": {
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"version": "0.5.3",
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"resolved": "https://registry.npmjs.org/@openlayers/pepjs/-/pepjs-0.5.3.tgz",
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"integrity": "sha512-Bgvi5c14BS0FJWyYWWFstNEnXsB30nK8Jt8hkAAdqr7E0gDdBBWVDglF3Ub19wTxvgJ/CVHyTY6VuCtnyRzglg=="
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},
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"@parcel/fs": {
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"version": "1.11.0",
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"resolved": "https://registry.npmjs.org/@parcel/fs/-/fs-1.11.0.tgz",
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@ -5128,6 +5133,17 @@
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"has": "^1.0.3"
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}
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},
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"ol": {
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"version": "6.1.1",
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"resolved": "https://registry.npmjs.org/ol/-/ol-6.1.1.tgz",
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"integrity": "sha512-0dL3i3eJqgOpqIjDKEY3grkeQnjAYfV5L/JCxhOu4SxiaizRwFrFgeas6LILRoxKa03jhQFbut2r2bbgcLGQeA==",
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"requires": {
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"@openlayers/pepjs": "^0.5.3",
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"pbf": "3.2.1",
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"pixelworks": "1.1.0",
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"rbush": "^3.0.1"
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}
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},
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"on-finished": {
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"version": "2.3.0",
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"resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
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@ -5393,6 +5409,15 @@
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"resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
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"integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
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},
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"pbf": {
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"version": "3.2.1",
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"resolved": "https://registry.npmjs.org/pbf/-/pbf-3.2.1.tgz",
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"integrity": "sha512-ClrV7pNOn7rtmoQVF4TS1vyU0WhYRnP92fzbfF75jAIwpnzdJXf8iTd4CMEqO4yUenH6NDqLiwjqlh6QgZzgLQ==",
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"requires": {
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"ieee754": "^1.1.12",
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"resolve-protobuf-schema": "^2.1.0"
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}
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},
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"pbkdf2": {
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"version": "3.0.17",
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"resolved": "https://registry.npmjs.org/pbkdf2/-/pbkdf2-3.0.17.tgz",
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@ -5427,6 +5452,11 @@
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"integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
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"dev": true
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},
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"pixelworks": {
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"version": "1.1.0",
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"resolved": "https://registry.npmjs.org/pixelworks/-/pixelworks-1.1.0.tgz",
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"integrity": "sha1-Hwla1I3Ki/ihyCWOAJIDGkTyLKU="
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},
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"pn": {
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"version": "1.1.0",
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"resolved": "https://registry.npmjs.org/pn/-/pn-1.1.0.tgz",
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@ -5909,6 +5939,11 @@
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"resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
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"integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
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},
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"protocol-buffers-schema": {
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"version": "3.3.3",
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"resolved": "https://registry.npmjs.org/protocol-buffers-schema/-/protocol-buffers-schema-3.3.3.tgz",
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"integrity": "sha512-jiszJ9Nzo8glRgP+PQ+QdQ/WqoolZLTIGBEG2PBwGWVGbTmq+j4S/3NR1kpoGE+pYXV2HfS8ukxXGKkBnMx7eA=="
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},
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"proxy-addr": {
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"version": "2.0.5",
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"resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.5.tgz",
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@ -6001,6 +6036,11 @@
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"resolved": "https://registry.npmjs.org/querystring-es3/-/querystring-es3-0.2.1.tgz",
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"integrity": "sha1-nsYfeQSYdXB9aUFFlv2Qek1xHnM="
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},
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"quickselect": {
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"version": "2.0.0",
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"resolved": "https://registry.npmjs.org/quickselect/-/quickselect-2.0.0.tgz",
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"integrity": "sha512-RKJ22hX8mHe3Y6wH/N3wCM6BWtjaxIyyUIkpHOvfFnxdI4yD4tBXEBKSbriGujF6jnSVkJrffuo6vxACiSSxIw=="
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},
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"quote-stream": {
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"version": "1.0.2",
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"resolved": "https://registry.npmjs.org/quote-stream/-/quote-stream-1.0.2.tgz",
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@ -6044,6 +6084,14 @@
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"unpipe": "1.0.0"
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}
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},
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"rbush": {
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"version": "3.0.1",
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"resolved": "https://registry.npmjs.org/rbush/-/rbush-3.0.1.tgz",
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"integrity": "sha512-XRaVO0YecOpEuIvbhbpTrZgoiI6xBlz6hnlr6EHhd+0x9ase6EmeN+hdwwUaJvLcsFFQ8iWVF1GAK1yB0BWi0w==",
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"requires": {
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"quickselect": "^2.0.0"
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}
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},
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"rc": {
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"version": "1.2.8",
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"resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
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@ -6270,6 +6318,14 @@
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"resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-3.0.0.tgz",
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"integrity": "sha1-six699nWiBvItuZTM17rywoYh0g="
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},
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"resolve-protobuf-schema": {
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"version": "2.1.0",
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"resolved": "https://registry.npmjs.org/resolve-protobuf-schema/-/resolve-protobuf-schema-2.1.0.tgz",
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"integrity": "sha512-kI5ffTiZWmJaS/huM8wZfEMer1eRd7oJQhDuxeCLe3t7N7mX3z94CN0xPxBQxFYQTSNz9T0i+v6inKqSdK8xrQ==",
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"requires": {
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"protocol-buffers-schema": "^3.3.1"
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}
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},
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"resolve-url": {
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"version": "0.2.1",
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"resolved": "https://registry.npmjs.org/resolve-url/-/resolve-url-0.2.1.tgz",
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@ -16,6 +16,7 @@
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"express": "^4.17.1",
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"geolib": "^3.2.1",
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"leaflet": "^1.6.0",
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"ol": "^6.1.1",
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"parcel-bundler": "^1.12.4",
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"request": "^2.88.0",
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"request-promise-native": "^1.0.8",
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