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版本：9.4.0

地表开挖分析

支持矢量和栅格数据的地表开挖，可设置下挖深度和下挖部分贴图。

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   <!DOCTYPE html>
   <html>
   <head>
       <meta charset="utf-8"/>
       <title>地表开挖分析</title>
       <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no"/>
       <style>
           body {
               margin: 0;
               padding: 0;
           }

           #map {
               position: absolute;
               top: 0;
               bottom: 0;
               width: 100%;
           }

           .btn-group {
                position: absolute;
                top: 20px;
                left: 20px;
                color: white;
           }
       </style>
       <script src="https://delivery.mapmost.com/cdn/sdk/webgl/v9.4.0/mapmost-webgl-min.js"></script>
   </head>
   <body>
   <div id="map"></div>
    <div class="btn-group">
      <button onClick="add()">添加地表开挖分析</button>
      <button onClick="clear()">清除分析结果</button>
    </div>
    <script>
      let map = new mapmost.Map({
        container: "map",
        style: "<your style url>", 
        center: [120.67287475351259, 31.320097198762696], 
        zoom: 16, 
        pitch: 62, 
        userId:"***", // 授权码
      });

      let excavation;

      // 添加开挖分析
      function add() {
        excavation = new mapmost.ExcavationAnalysis(map);
        excavation.analyse({
          range: [
            [120.67315864678835, 31.317114830759607],
            [120.67250888359933, 31.31987574694101],
            [120.67458298302142, 31.32163926950146],
            [120.6753580544011,  31.32017624607974],
            [120.67581891774245, 31.316551049511048],
            [120.67315864678835, 31.317114830759607],
          ], // 设置开挖范围
          depth: 40, // 设置开挖深度
          sideImg: "./excavationAnalysis/excavate_kuangqu.jpg", // 设置开挖侧面贴图
          bottomImg: "./excavationAnalysis/excavate_bottom.jpg", // 设置开挖底部贴图
        });
      }

      // 清除分析结果，保留分析实例，可更新分析结果
      function clear() {
        excavation.clear();
      }
    
   </script>
   </body>
   </html>