基于Cesium可视域分析

# cesium-viewshed 基于Cesium的可视域分析 ---------------------------------------------------------------------------------------------------------------------------------------- ### 基于cesium的三维量测插件 ### cesium-viewshed ### 说明 ##### /cesium-viewshed/src/doc ### 使用 ##### 在项目中引入Cesium.js ##### 然后引入 cesium-viewshed.js 即可 <a href="http://zhangticcc.gitee.io/webgis/"><img alt="" height="100%" src="https://img-blog.csdnimg.cn/20201029105641945.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MDkwMjUyNw==,size_16,color_FFFFFF,t_70" width="90%" ></a>&nbsp; ``` // 初始化 let viewer = new Cesium.Viewer("viewerContainer") // 分析参数 var viewModel = { verticalAngle: 90, horizontalAngle: 120, distance: 10 }; // 添加可视域 var viewshed = new Cesium.ViewShed3D(viewer, { horizontalAngle: Number(viewModel.horizontalAngle), verticalAngle: Number(viewModel.verticalAngle), distance: Number(viewModel.distance), calback: function () { viewModel.distance = viewshed.distance } }); // 清除可视域 viewshed.destroy(); ```