mirror of https://gitee.com/antv-l7/antv-l7
77 lines
2.1 KiB
HTML
77 lines
2.1 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<meta name="geometry" content="diagram">
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<link rel="stylesheet" href="./assets/common.css">
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<title>dem demo</title>
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<style>
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#map { position:absolute; top:0; bottom:0; width:100%; }
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</style>
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</head>
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<body>
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<div id = 'gui' style="position:absolute;top:0px;right:0px;z-index:2;"></div>
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<div id="map"></div>
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<script src="https://webapi.amap.com/maps?v=1.4.8&key=15cd8a57710d40c9b7c0e3cc120f1200&plugin=Map3D"></script>
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<script src="./assets/jquery-3.2.1.min.js"></script>
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<script src="./assets/geotiff.browserify.min.js"></script>
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<script src="../build/L7.js"></script>
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<script>
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const scene = new L7.Scene({
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id: 'map',
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viewMode: '3D',
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mapStyle: 'amap://styles/ba3e9759545cd618392ef073c0dfda8c?isPublic=true', // 样式URL
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center: [ 110.770672, 44.159869 ],
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pitch: 0,
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zoom: 3
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});
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scene.on('loaded', () => {
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const xhr = new XMLHttpRequest();
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xhr.open('GET', ' https://gw.alipayobjects.com/os/rmsportal/XKgkjjGaAzRyKupCBiYW.dat', true);
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xhr.responseType = 'arraybuffer';
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xhr.onload = function(e) {
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if (this.status === 200) {
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// get binary data as a response
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const blob = this.response;
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const tiff = GeoTIFF.parse(blob);
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const image = tiff.getImage();
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const values = image.readRasters()[0].values();
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const m = image.getHeight();
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const n = image.getWidth();
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const layer = scene.RasterLayer({ zIndex: 2 }).
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source(values, {
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parser: {
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type: 'raster',
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width: n,
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height: m,
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min: 0,
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max: 8000,
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extent: [ 73.482190241, 3.82501784112, 135.106618732, 57.6300459963 ]
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}
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})
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.style({
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rampColors: {
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colors: [ '#002466', '#0D408C', '#105CB3', '#1A76C7', '#2894E0', '#3CB4F0', '#65CEF7', '#98E3FA', '#CFF6FF', '#E8FCFF' ],
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positions: [ 0, 0.02, 0.05, 0.1, 0.2, 0.3, 0.5, 0.6, 0.8, 1.0 ]
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}
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})
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.render();
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console.log(layer);
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}
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};
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xhr.send();
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});
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</script>
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</body>
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</html>
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