mirror of https://gitee.com/antv-l7/antv-l7
81 lines
2.2 KiB
HTML
81 lines
2.2 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
<meta http-equiv="X-UA-Compatible" content="ie=edge">
|
|
<meta name="geometry" content="diagram">
|
|
<link rel="stylesheet" href="./assets/common.css">
|
|
|
|
<title>dem demo</title>
|
|
<style>
|
|
#map { position:absolute; top:0; bottom:0; width:100%; }
|
|
</style>
|
|
</head>
|
|
|
|
<body>
|
|
<div id = 'gui' style="position:absolute;top:0px;right:0px;z-index:2;"></div>
|
|
<div id="map"></div>
|
|
<script src="https://webapi.amap.com/maps?v=1.4.8&key=15cd8a57710d40c9b7c0e3cc120f1200&plugin=Map3D"></script>
|
|
<script src="./assets/jquery-3.2.1.min.js"></script>
|
|
<script src="./assets/geotiff.browserify.min.js"></script>
|
|
<script src="../build/L7.js"></script>
|
|
<script>
|
|
|
|
const scene = new L7.Scene({
|
|
id: 'map',
|
|
viewMode: '3D',
|
|
mapStyle: 'amap://styles/ba3e9759545cd618392ef073c0dfda8c?isPublic=true', // 样式URL
|
|
center: [ 110.770672, 34.159869 ],
|
|
pitch: 0,
|
|
zoom: 4
|
|
});
|
|
|
|
scene.on('loaded', () => {
|
|
|
|
const xhr = new XMLHttpRequest();
|
|
xhr.open('GET', ' https://gw.alipayobjects.com/os/rmsportal/XKgkjjGaAzRyKupCBiYW.dat', true);
|
|
xhr.responseType = 'arraybuffer';
|
|
xhr.onload = function(e) {
|
|
if (this.status === 200) {
|
|
// get binary data as a response
|
|
const blob = this.response;
|
|
const tiff = GeoTIFF.parse(blob);
|
|
const image = tiff.getImage();
|
|
const values = image.readRasters()[0];
|
|
const m = image.getHeight();
|
|
const n = image.getWidth();
|
|
|
|
const layer = scene.RasterLayer({ zIndex: 2 }).
|
|
source(values, {
|
|
type: 'raster',
|
|
width: n,
|
|
height: m,
|
|
min: 0,
|
|
max: 8000,
|
|
extent: [ 73.482190241, 3.82501784112, 135.106618732, 57.6300459963 ]
|
|
|
|
})
|
|
.style({
|
|
rampColors: {
|
|
colors: [ '#002466', '#0D408C', '#105CB3', '#1A76C7', '#2894E0', '#3CB4F0', '#65CEF7', '#98E3FA', '#CFF6FF', '#E8FCFF' ],
|
|
positions: [ 0, 0.02, 0.05, 0.1, 0.2, 0.3, 0.5, 0.6, 0.8, 1.0 ]
|
|
}
|
|
})
|
|
.render();
|
|
setTimeout(()=>{
|
|
layer.style({
|
|
rampColors: 'viridis',
|
|
}).render();
|
|
},3000)
|
|
|
|
}
|
|
};
|
|
xhr.send();
|
|
});
|
|
|
|
</script>
|
|
</body>
|
|
</html>
|
|
|