skyversation-public
/
web_show_function_ui_mars3d


			
				
					
						
						
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							<!-- 2017-12-7 14:56:03 | 修改 木遥（微信:  http://marsgis.cn/weixin.html ） -->
<!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="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>矢量数据Lod加载 </title>

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

    <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: 30.563158, lng: 116.329235, alt: 16165, heading: 0, pitch: -45 },
          },
        });

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

        var lodGraphicLayer = new mars3d.layer.LodGraphicLayer({
          IdField: "id", //数据的唯一主键 字段名称
          minimumLevel: 11, //限定层级，只加载该层级下的数据。[与效率相关的重要参数]
          debuggerTileInfo: true,
          //根据LOD分块信息去请求对应的Tile瓦块内的数据
          queryGridData: (grid, callback) => {
            queryGraphicLayerData(grid.extent).then(function (data) {
              callback(grid, data); //执行回调，回传数据
            });
          },
          //根据 attr属性 创建 矢量对象[必须返回Graphic对象]
          createGraphic(grid, attr) {
            let height = mars3d.PointUtil.getSurfaceHeight(map.scene, Cesium.Cartesian3.fromDegrees(attr.x, attr.y));

            var graphic = new mars3d.graphic.ModelPrimitive({
              position: [attr.x, attr.y, height],
              style: {
                url: "//data.mars3d.cn/gltf/mars/leida.glb",
                scale: 1,
                minimumPixelSize: 40,
              },
            });
            lodGraphicLayer.addGraphic(graphic);

            return graphic;
          },
        });
        map.addLayer(lodGraphicLayer);

        lodGraphicLayer.on(mars3d.EventType.click, (event) => {
          console.log("你单击了对象", event);
        });
      }

      function queryGraphicLayerData(extent) {
        return new Promise(function (resolve, reject) {
          $.ajax({
            url: "//server.mars3d.cn/server/pointRandom/",
            type: "get",
            dataType: "json",
            data: {
              xmin: extent.xmin,
              ymin: extent.ymin,
              xmax: extent.xmax,
              ymax: extent.ymax,
              count: 5,
            },
            success: function (result) {
              resolve(result);
            },
            error: function (data) {
              console.log("数据获取失败");
              reject(data);
            },
          });
        });
      }
    </script>
  </body>
</html>