cesium加载shp文件

在Cesium中加载shp文件可以使用Cesium VectorTileImageryProvider。首先，你需要下载CesiumVectorTile.js文件并在index.html中引入。然后，你可以使用以下代码来加载shp文件：

var VectorTileImageryProvider = Cesium.VectorTileImageryProvider;

function addshp() {
  line_gaosuDL = new VectorTileImageryProvider({
    source: "./SampleData/shp/Province_R_2.shp",
    defaultStyle: {
      outlineColor: "rgb(101, 255, 67)",
      lineWidth: 5,
    },
  });

  line_gaosuDL.readyPromise.then(function() {
    viewer.imageryLayers.addImageryProvider(line_gaosuDL);
  });
}

这段代码会创建一个VectorTileImageryProvider对象，并指定shp文件的路径。你可以根据自己的需求修改路径和样式。然后，通过调用readyPromise来确保shp文件加载完成后再将其添加到Cesium的图层中。
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