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September 12, 2020 04:37
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Using deck.gl with Mapbox GL JS (Method 2): Using deck.gl layers as custom Mapbox layers
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| <html> | |
| <head> | |
| <title>Using deck.gl with Mapbox GL JS (Method 2)</title> | |
| <script src="https://d3js.org/d3.v5.min.js" type="text/javascript"></script> | |
| <script src="https://unpkg.com/deck.gl@latest/dist.min.js"></script> | |
| <script src="https://api.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.js"></script> | |
| <link href="https://api.mapbox.com/mapbox-gl-js/v1.12.0/mapbox-gl.css" rel="stylesheet" /> | |
| <style type="text/css"> | |
| body { | |
| width: 100vw; | |
| height: 100vh; | |
| margin: 0; | |
| position: relative; | |
| } | |
| #map { | |
| width: 100%; | |
| height: 100%; | |
| } | |
| .panel { | |
| background-color: white; | |
| opacity: 0.7; | |
| position: absolute; | |
| top: 0; | |
| left: 0; | |
| z-index: 1; | |
| } | |
| #tooltip { | |
| position: absolute; | |
| top: 0; | |
| left: 0; | |
| z-index: 2; | |
| background-color: white; | |
| visibility: visible; | |
| padding: 5px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class='panel'> | |
| <input type="radio" id="satellite" name="map_style" value="satellite"> | |
| <label for="satellite">Satellite</label><br> | |
| <input type="radio" id="street" name="map_style" value="street"> | |
| <label for="street">Street</label><br> | |
| </div> | |
| <div id='map'></div> | |
| <div id='tooltip'><div> | |
| </body> | |
| <script type="text/javascript"> | |
| const {MapboxLayer, ScatterplotLayer, HeatmapLayer} = deck; | |
| d3.json("data.json").then(function(data){ | |
| const heatmapLayer = | |
| new MapboxLayer({ | |
| data, | |
| type: HeatmapLayer, | |
| id: 'heatmap-layer', | |
| getPosition: d => [+d.lon, +d.lat], | |
| getWeight: 1, | |
| colorRange: [[1, 152, 189, 255], [73, 227, 206, 255], [216, 254, 181, 255], [254, 237, 177, 255],[254, 173, 84, 255],[209, 55, 78, 255]], | |
| radiusPixels: 20, | |
| intensity: 1.2, | |
| threshold: 0.03, | |
| visibility: 'visible' | |
| }) | |
| const scatterLayer = | |
| new MapboxLayer({ | |
| data, | |
| id: 'scatterplot-layer', | |
| type: ScatterplotLayer, | |
| getPosition: d => [+d.lon, +d.lat], | |
| getFillColor: [1, 152, 189, 255], | |
| //getRadius: 500, | |
| radiusScale: 1, | |
| radiusMaxPixels: 10, | |
| radiusMinPixels: 5, | |
| opacity: 0.5, | |
| pickable: true, | |
| //onHover: info => showTooltip(info), | |
| onClick: info => showTooltip(info), | |
| visibility: 'none' | |
| }) | |
| mapboxgl.accessToken = 'pk.eyJ1IjoiZGlhbmFtZW93IiwiYSI6ImNqcmh4aWJnOTIxemI0NXA0MHYydGwzdm0ifQ.9HakB25m0HLT-uDY2yat7A' | |
| const map = new mapboxgl.Map({ | |
| style: 'mapbox://styles/mapbox/dark-v9', | |
| container: 'map', | |
| center: [103.84, 1.35], | |
| zoom: 11, | |
| pitch: 0, | |
| bearing: 0, | |
| renderWorldCopies: 1 | |
| }); | |
| map.on('load', () => { | |
| const firstLabelLayerId = map.getStyle().layers.find(layer => layer.type === "symbol").id; | |
| map.addLayer(heatmapLayer, firstLabelLayerId); | |
| map.addLayer(scatterLayer); | |
| }); | |
| map.on('zoom', function () { | |
| d3.select('#tooltip').style('visibility', 'hidden') | |
| if (map.getZoom() > 14) { | |
| map.setLayoutProperty('scatterplot-layer', 'visibility', 'visible'); | |
| map.setLayoutProperty('heatmap-layer', 'visibility', 'none'); | |
| } else { | |
| map.setLayoutProperty('heatmap-layer', 'visibility', 'visible'); | |
| map.setLayoutProperty('scatterplot-layer', 'visibility', 'none'); | |
| } | |
| }); | |
| function showTooltip(info){ | |
| d3.select('#tooltip') | |
| .style('top', info.y) | |
| .style('left', info.x) | |
| .style('visibility', 'visible') | |
| .html(`<p>${info.object.town}</p><p>${info.object.address}</p>`) | |
| } | |
| //document.querySelector("#satellite").addEventListener('click',function (){ | |
| //map.setStyle('mapbox://styles/mapbox/satellite-v9?optimize=true') | |
| //}) | |
| //document.querySelector("#street").addEventListener('click',function (){ | |
| //map.setStyle('mapbox://styles/mapbox/streets-v11?optimize=true') | |
| //}) | |
| }) | |
| </script> | |
| </html> |
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