Javascript

Cesium 加载json数据

本文主要是介绍Cesium 加载json数据，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！ 
Cesium.GeoJsonDataSource.load(json).then(function (dataSource) {
   
     
     
    viewer.dataSources.add(dataSource).then(res => {
   
     
     
        test = res;
        test.name = '测试'
    });
});

案例：

<!DOCTYPE html>
<html lang="ch-en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <link rel="stylesheet" href="./js/Cesium-1.72/Build/Cesium/Widgets/widgets.css">
    <style>
        #map3d {
   
     
     
            height: 1000px;
            width: 1000px;
            margin: 0 auto;
        }
    </style>
</head>
<body>
<div id="map3d"></div>
</body>
<script src="./js/Cesium-1.72/Build/Cesium/Cesium.js"></script>
<script src="./js/jQuery.js"></script>
<script>
    viewer = new Cesium.Viewer('map3d', {
   
     
     
        selectionIndicator: false,
        animation: false,
        baseLayerPicker: false,
        timeline: false,
        sceneModePicker: false,
        navigationHelpButton: false,
        fullscreenButton: false,
        imageryProvider: new Cesium.WebMapTileServiceImageryProvider({
   
     
     
            url: 'http://t0.tianditu.gov.cn/img_w/wmts?tk=7fdca056b488529020b96dd0a6891579',
            layer: 'img',
            style: 'default',
            tileMatrixSetID: 'w',
            format: 'tiles',
            tileHeight: 0,
            maximumLevel: 18
        }),
    });
    const json = {
   
     
     
        "type": "Polygon",
        "coordinates": [[[106.818340748, 35.345186594], [106.912227457, 35.857950428], [107.235357796, 35.9277981500001], [107.730486478, 36.022622105], [107.85655614, 35.8806908460001], [107.822121228, 35.5285600620001], [107.584770259, 35.2284864530001], [107.376631529, 35.1572428380001], [107.022823644, 35.1807053140001], [106.988349662, 35.2733902210001], [106.818340748, 35.345186594]]]
    }
    Cesium.GeoJsonDataSource.load(json).then(function (dataSource) {
   
     
     
        viewer.dataSources.add(dataSource).then(res => {
   
     
     
            test = res;
            test.name = '测试'
        });
    });
</script>
</html>

pic_be672a44.png

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