skyversation
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cesium_example_auth


			
				
					
						
						
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							<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=0,minimum-scale=1.0,maximum-scale=1.0" />
    <meta name="author" content="火星科技 http://mars3d.cn " />
    <meta name="apple-touch-fullscreen" content="yes" />
    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-status-bar-style" content="black" />
    <meta name="format-detection" content="telephone=no" />
    <meta name="x5-fullscreen" content="true" />
    <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" />

    <!-- 标题及搜索关键字 -->
    <meta name="keywords" content="火星科技,cesium,3D,GIS,marsgis,三维,地球,地图,开发,框架,系统,示例,资料,模型,离线,外包,合肥,安徽,中国" />
    <meta
      name="description"
      content="火星科技 合肥火星 合肥火星科技 合肥火星科技有限公司 leaflet leaflet框架 leaflet开发 cesium cesium开发 cesium框架 三维 地球 模型  gis marsgis 地图离线 地图开发 地图框架 地图外包 框架 开发 外包  地图离线 二维地图 三维地图 全景漫游 地理信息系统 云GIS 三维GIS GIS平台 WebGIS"
    />

    <link rel="shortcut icon" type="image/x-icon" href="" />
    <title>模型热力图 </title>

    <!--第三方lib-->
    <script
      type="text/javascript"
      src="../lib/include-lib.js"
      libpath="../lib/"
      include="jquery,font-awesome,bootstrap,bootstrap-checkbox,layer,haoutil,turf,mars3d,mars3d-heatmap"
    ></script>

    <link href="css/style.css" rel="stylesheet" />
  </head>

  <body class="dark">
    <!--加载前进行操作提示，优化用户体验-->
    <div id="mask" class="signmask" onclick="removeMask()"></div>

    <div id="mars3dContainer" class="mars3d-container"></div>

    <!-- 图例面板 -->
    <div style="position: absolute; bottom: 30px; left: 10px">
      <img src="img/heatmap-tuli.png" height="200px" />
    </div>

    <div class="heatmap" style="overflow: hidden; width: 840px; height: 400px; display: none">
      <div class="heatmap-canvas" width="800" height="400"></div>
    </div>

    <script src="./js/common.js"></script>
    <script type="text/javascript">
      "use script"; //开发环境建议开启严格模式

      var map;

      function initMap(options) {
        //合并属性参数，可覆盖config.json中的对应配置
        var mapOptions = mars3d.Util.merge(options, {
          scene: {
            center: { lat: 31.654436, lng: 117.083883, alt: 759, heading: 316, pitch: -50 },
          },
        });

        //创建三维地球场景
        map = new mars3d.Map("mars3dContainer", mapOptions);

        //固定光照，避免gltf模型随时间存在亮度不一致。
        map.fixedLight = true;

        var tilesetLayer = new mars3d.layer.TilesetLayer({
          name: "石化工厂",
          url: "//data.mars3d.cn/3dtiles/max-shihua/tileset.json",
          position: { lng: 117.077158, lat: 31.659116, alt: 24.6 },
          maximumScreenSpaceError: 1,
          maximumMemoryUsage: 1024,
          center: {
            lat: 31.654436,
            lng: 117.083883,
            alt: 758.53,
            heading: 316.4,
            pitch: -50.1,
            roll: 359.8,
          },
          popup: "all",
        });
        map.addLayer(tilesetLayer);

        //测试点数据，实际开发时换掉
        var arrPoints = getRandomPoints(900);

        //热力图 图层
        var heatLayer = new mars3d.layer.HeatLayer({
          positions: arrPoints,
          //以下为热力图本身的样式参数，可参阅api：https://www.patrick-wied.at/static/heatmapjs/docs.html
          heatStyle: {
            radius: 40,
            blur: 0.8,
          },
          //以下为矩形矢量对象的样式参数
          style: {
            opacity: 0.6,
            classificationType: Cesium.ClassificationType.CESIUM_3D_TILE,
            clampToGround: true,
          },
        });
        map.addLayer(heatLayer);
      }

      //获取bbox矩形区域内的count个随机点
      function getRandomPoints(count) {
        var xmin = 117.075718,
          xmax = 117.083508,
          ymin = 31.654645,
          ymax = 31.661744;

        var arr = [];
        var arrPoint = turf.randomPoint(count, { bbox: [xmin, ymin, xmax, ymax] }).features; //随机点
        for (var i = 0; i < arrPoint.length; i++) {
          var item = arrPoint[i].geometry.coordinates;
          var val = Math.floor(Math.random() * 100); //热力值

          arr.push({ lng: item[0], lat: item[1], value: val });
        }
        return arr;
      }
    </script>
  </body>
</html>