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deck.gl + Mapbox HexagonLayer Example
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| <html> | |
| <head> | |
| <title>Road Accidents in UK</title> | |
| <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
| <script src="https://unpkg.com/deck.gl@^6.2.0/deckgl.min.js"></script> | |
| <script src="https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.js"></script> | |
| <link rel="stylesheet" type="text/css" href="https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.css"> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| <style type="text/css"> | |
| body { font-family: Helvetica, Arial, sans-serif; width: 100vw; height: 100vh; margin: 0; } | |
| #control-panel { position: absolute; background: #fff; top: 0; left: 0; margin: 12px; padding: 20px; font-size: 12px; line-height: 1.5; z-index: 1; } | |
| label { display: inline-block; width: 140px; } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="control-panel"> | |
| <div> | |
| <label>Radius</label> | |
| <input id="radius" type="range" min="1000" max="20000" step="1000" value="1000"></input> | |
| <span id="radius-value"></span> | |
| </div> | |
| <div> | |
| <label>Coverage</label> | |
| <input id="coverage" type="range" min="0" max="1" step="0.1" value="1"></input> | |
| <span id="coverage-value"></span> | |
| </div> | |
| <div> | |
| <label>Upper Percentile</label> | |
| <input id="upperPercentile" type="range" min="90" max="100" step="1" value="100"></input> | |
| <span id="upperPercentile-value"></span> | |
| </div> | |
| </div> | |
| </body> | |
| <script type="text/javascript"> | |
| mapboxgl.accessToken = 'pk.eyJ1IjoidWJlcmRhdGEiLCJhIjoiY2pudzRtaWloMDAzcTN2bzN1aXdxZHB5bSJ9.2bkj3IiRC8wj3jLThvDGdA'; | |
| const {MapboxLayer, HexagonLayer} = deck; | |
| const map = new mapboxgl.Map({ | |
| container: document.body, | |
| style: 'mapbox://styles/mapbox/dark-v9', | |
| center: [-1.4157, 52.2324], | |
| zoom: 6, | |
| pitch: 40.5 | |
| }); | |
| const DATA_URL = 'https://raw.githubusercontent.com/uber-common/deck.gl-data/master/examples/3d-heatmap/heatmap-data.csv'; | |
| const OPTIONS = ['radius', 'coverage', 'upperPercentile']; | |
| const COLOR_RANGE = [ | |
| [1, 152, 189], | |
| [73, 227, 206], | |
| [216, 254, 181], | |
| [254, 237, 177], | |
| [254, 173, 84], | |
| [209, 55, 78] | |
| ]; | |
| const LIGHT_SETTINGS = { | |
| lightsPosition: [-0.144528, 49.739968, 8000, -3.807751, 54.104682, 8000], | |
| ambientRatio: 0.4, | |
| diffuseRatio: 0.6, | |
| specularRatio: 0.2, | |
| lightsStrength: [0.8, 0.0, 0.8, 0.0], | |
| numberOfLights: 2 | |
| }; | |
| let hexagonLayer; | |
| map.on('load', () => { | |
| hexagonLayer = new MapboxLayer({ | |
| type: HexagonLayer, | |
| id: 'heatmap', | |
| data: d3.csv(DATA_URL), | |
| radius: 1000, | |
| coverage: 1, | |
| upperPercentile: 100, | |
| colorRange: COLOR_RANGE, | |
| elevationRange: [0, 1000], | |
| elevationScale: 250, | |
| extruded: true, | |
| getPosition: d => [Number(d.lng), Number(d.lat)], | |
| lightSettings: LIGHT_SETTINGS, | |
| opacity: 1 | |
| }); | |
| map.addLayer(hexagonLayer, 'waterway-label'); | |
| }); | |
| OPTIONS.forEach(key => { | |
| document.getElementById(key).oninput = (evt) => { | |
| const value = Number(evt.target.value); | |
| document.getElementById(key + '-value').innerHTML = value; | |
| if (hexagonLayer) { | |
| hexagonLayer.setProps({[key]: value}); | |
| } | |
| }; | |
| }); | |
| </script> | |
| </html> |
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