mirror of
https://github.com/jiawanlong/Cesium-Examples.git
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58 lines
2.2 KiB
HTML
58 lines
2.2 KiB
HTML
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<!--********************************************************************
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* by jiawanlong
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*********************************************************************-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<link rel="stylesheet" href="./../../libs/cesium/Cesium1.98/Widgets/widgets.css">
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<script type="text/javascript" src="./../../libs/cesium/Cesium1.98/Cesium.js"></script>
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</head>
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<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
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<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
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<script>
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window.viewer = new Cesium.Viewer('map', {
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imageryProvider: false,
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baseLayerPicker: false,
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});
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var xyz = new Cesium.UrlTemplateImageryProvider({
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"credit": "安徽",
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"url": '///data.mars3d.cn/tile/img/{z}/{x}/{y}.jpg'
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})
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viewer.imageryLayers.addImageryProvider(xyz)
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class CustomImageryProvider extends Cesium.UrlTemplateImageryProvider {
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constructor(options = {}) {
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super(options)
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}
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requestImage(x, y, level, request) {
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const rectangle = this._tilingScheme.tileXYToRectangle(x, y, level);
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const west = Cesium.Math.toDegrees(rectangle.west);
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const south = Cesium.Math.toDegrees(rectangle.south);
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const east = Cesium.Math.toDegrees(rectangle.east);
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const north = Cesium.Math.toDegrees(rectangle.north);
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// 2. 构建带bbox参数的请求URL（格式需与服务器约定）
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// 示例URL：/api/image?bbox=west,south,east,north&format=png
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const bbox = [west, south, east, north].join(',');
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console.log(level, '-------------', x, y)
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console.log(bbox)
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return Promise.resolve();
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}
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}
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const imageryProvider = new CustomImageryProvider({
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url: '你的实际地图URL', // 需要替换为真实URL
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minimumLevel: 1,
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maximumLevel: 18, // 通常最大级别不会到111
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});
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let layer = viewer.imageryLayers.addImageryProvider(imageryProvider);
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</script>
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</body>
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</html>
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