mapbox-buildings-mapzen.html
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Map3D - ECHARTS-GL</title>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes"> <!-- Fullscreen Landscape on iOS -->
<link rel="stylesheet" href="./common.css">
</head>
<body>
<div id="main"></div>
<script src="../node_modules/echarts/dist/echarts.js"></script>
<script src="../dist/echarts-gl.js"></script>
<script src='lib/mapbox-gl.js'></script>
<link href='lib/mapbox-gl.css' rel='stylesheet' />
<script src="lib/jquery.min.js"></script>
<script src="lib/dat.gui.js"></script>
<script src="lib/LRU.js"></script>
<script src="https://unpkg.com/sphericalmercator"></script>
<script src="js/commonUI.js"></script>
<script>
mapboxgl.accessToken = window.location.search.slice(1);
var chart = echarts.init(document.getElementById('main'));
var cache = new LRUCache(100);
chart.setOption({
mapbox3D: {
// 北京
// center: [116.39157, 39.90673],
// 纽约
center: [-74.02158343200102, 40.6143657735403],
// 上海
// center: [121.4978, 31.2398],
// 伦敦
// center: [-0.118092, 51.509865],
zoom: 17,
pitch: 10,
// bearing: -10,
style: 'mapbox://styles/mapbox/light-v9',
altitudeScale: 2,
postEffect: {
enable: true,
screenSpaceAmbientOcclusion: {
enable: true,
intensity: 2,
quality: 'high',
radius: 7
},
screenSpaceReflection: {
enable: false
},
depthOfField: {
enable: false,
blurRadius: 5,
focalDistance: 80
}
},
light: {
main: {
intensity: 1,
alpha: -30,
shadow: true,
shadowQuality: 'high'
},
ambient: {
intensity: 0.
},
ambientCubemap: {
texture: 'asset/pisa.hdr',
exposure: 1,
diffuseIntensity: 0.5,
specularIntensity: 1
}
}
},
series: [{
type: 'polygons3D',
coordinateSystem: 'mapbox3D',
data: [],
shading: 'realistic',
silent: true,
realisticMaterial: {
metalness: 0,
roughness: 0.8
}
}]
});
function addBuildings(geoJSON) {
chart.hideLoading();
var polygonsData = geoJSON.features.filter(function (feature) {
return feature.geometry.type === 'Polygon'
|| feature.geometry.type === 'MultiPolygon'
}).map(function (feature) {
return {
coords: feature.geometry.coordinates,
multiPolygon: feature.geometry.type === 'MultiPolygon',
value: Math.random(),
height: +feature.properties.height || 5
};
});
chart.addData({
seriesIndex: 0,
data: polygonsData
});
}
var requests = [];
function loadBuildings() {
chart.hideLoading();
chart.showLoading();
chart.setOption({
series: [{
// Clear
data: []
}]
});
var mapbox = chart.getModel().getComponent('mapbox3D').getMapbox();
var coordBounds = mapbox.getBounds();
var merc = new SphericalMercator({
size: 512
});
var tileBounds = merc.xyz(
[coordBounds.getWest(), coordBounds.getSouth(), coordBounds.getEast(), coordBounds.getNorth()],
15
);
var z = 15;
var loadingCount = 0;
requests.forEach(function (req) {
req.abort();
});
requests = [];
function load(url) {
var geoJSON = cache.get(url);
if (geoJSON) {
addBuildings(geoJSON);
}
else {
loadingCount++;
var request = $.getJSON(url).done(function (geoJSON) {
loadingCount--;
cache.put(url, geoJSON);
addBuildings(geoJSON);
requests.splice(requests.indexOf(request), 1);
});
requests.push(request);
}
}
for (var x = tileBounds.minX; x <= tileBounds.maxX; x++) {
for (var y = tileBounds.minY; y <=tileBounds.maxY; y++) {
load(`https://tile.mapzen.com/mapzen/vector/v1/512/buildings/${z}/${x}/${y}.json?api_key=${MAPZEN_API}`);
}
}
};
var gui = new dat.GUI();
var config = {
roughness: 0.4
}
gui.add(config, 'roughness', 0.1, 0.9).onFinishChange(function () {
chart.setOption({
series: [{
realisticMaterial: {
roughness: config.roughness
}
}]
});
});
window.addEventListener('resize', function () {
chart.resize();
});
loadBuildings();
var mapbox = chart.getModel().getComponent('mapbox3D').getMapbox();
mapbox.on('dragend', loadBuildings);
</script>
</body>
</html>