mirror of
https://github.com/jiawanlong/Cesium-Examples.git
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109 lines
4.7 KiB
HTML
109 lines
4.7 KiB
HTML
<!--********************************************************************
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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="./../../cesium/Cesium1.98/Widgets/widgets.css">
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<script type="text/javascript" src="./../../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 type="text/javascript">
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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
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const viewer = new Cesium.Viewer('map', {});
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// 开启帧率
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viewer.scene.debugShowFramesPerSecond = true;
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function getOptions(item) {
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var opts = {};
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for (var key in item) {
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var value = item[key];
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if (value == null) continue;
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switch (key) {
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default: //直接赋值
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opts[key] = value;
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break;
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case "crs":
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opts[key] = value;
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if (value == "4326" || value.toUpperCase() == "EPSG4326" || value.toUpperCase() == 'EPSG:4326') {
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opts.tilingScheme = new Cesium.GeographicTilingScheme({
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numberOfLevelZeroTilesX: item.numberOfLevelZeroTilesX || 2,
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numberOfLevelZeroTilesY: item.numberOfLevelZeroTilesY || 1
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});
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} else if (value == '4490' || value.toUpperCase() == 'EPSG4490' || value.toUpperCase() == 'EPSG:4490') {
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opts.tilingScheme = new Cesium.GeographicTilingScheme({
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numberOfLevelZeroTilesX: item.numberOfLevelZeroTilesX || 2,
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numberOfLevelZeroTilesY: item.numberOfLevelZeroTilesY || 1
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});
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opts.is4490 = true;
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} else {
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opts.tilingScheme = new Cesium.WebMercatorTilingScheme({
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numberOfLevelZeroTilesX: item.numberOfLevelZeroTilesX || 1,
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numberOfLevelZeroTilesY: item.numberOfLevelZeroTilesY || 1
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});
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}
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break;
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case "proxy":
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opts.proxy = new Cesium.DefaultProxy(value);
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break;
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case "rectangle":
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opts.rectangle = Cesium.Rectangle.fromDegrees(value.xmin, value.ymin, value.xmax, value.ymax);
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break;
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}
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}
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if (opts.is4490 && opts.url) {
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opts.url = opts.url.replace('{z}', '{z4490}');
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opts.url = opts.url.replace('{arc_z}', '{arc_z4490}');
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opts.url = opts.url.replace('{arc_Z}', '{arc_Z4490}');
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}
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if (!opts.url || !opts.proxy && !opts.headers && !opts.queryParameters) { } else if (opts.url instanceof Cesium.Resource) {
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opts.url.headers = opts.headers;
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} else {
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opts.url = new Cesium.Resource({
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url: opts.url,
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proxy: opts.proxy ? new Cesium[('DefaultProxy')](opts.proxy) : null,
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headers: opts.headers,
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queryParameters: opts.queryParameters
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})
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}
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return opts;
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}
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var opts = {
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name: "影像",
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type: "tile",
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url: "https://engine.piesat.cn/hr_data/wmts?tilematrix={z}&layer=wmts_ifile&style=wmts_satellite&tilerow={y}&tilecol={x}&tilematrixset=Global_ifile&format=image/jpeg&service=WMTS&version=1.0.0&request=GetTile",
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crs: "4490",
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rectangle: {
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xmin: -180,
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xmax: 180,
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ymin: -90,
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ymax: 90
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},
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minimumLevel: 1,
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maximumLevel: 18,
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alpha: 1,
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visible: true,
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layerid: '123'
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}
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var opts = getOptions(opts);
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opts.customTags = opts.customTags || {};
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opts.customTags.z4490 = function (imageryProvider, x, y, level) {
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return level;
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};
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var xyz = new Cesium.UrlTemplateImageryProvider(opts);
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viewer.imageryLayers.addImageryProvider(xyz)
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</script>
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</body>
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</html> |