【Cesium 基础】扩展baseLayerPicker

相关示例

1. 添加自定义baselayer

   var providerViewModels = [];
   let gaodev = new Cesium.UrlTemplateImageryProvider({
        url:
          "http://webrd0{s}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&scale=1&style=8&x={x}&y={y}&z={z}",
        subdomains: ["1", "2", "3", "4"]
      });
      var gaodeMapModel = new Cesium.ProviderViewModel({
        name: "高德矢量",
        iconUrl: Cesium.buildModuleUrl(
          "Widgets/Images/ImageryProviders/openStreetMap.png"
        ),
        tooltip: "高德矢量 地图服务",
        creationFunction: function() {
          return gaodev;//可以返回数据组
        }
      });
      providerViewModels.push(gaodeMapModel);
this.viewer.baseLayerPicker.viewModel.imageryProviderViewModels = providerViewModels;

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参考资料
[1]http://blog.sina.com.cn/s/blog_15e866bbe0102xnml.html

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