skyversation-public
/
web_show_function_ui_mars3d


			
				
					
						
						
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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>功能示例 </title>

    <!--第三方lib-->
    <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>

    <!-- 面板 -->
    <div class="infoview">
      <span>提示：请单击地图，分析拾取点最近的体育场所。</span>
      <button class="btn btn-primary" onclick="clearAll()" type="button">清除</button>
    </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;
      var pointLayer;
      var graphicLayer;

      var pointStyle = {
        verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
        scale: 1,
        scaleByDistance: true,
        scaleByDistance_far: 20000,
        scaleByDistance_farValue: 0.7,
        scaleByDistance_near: 1000,
        scaleByDistance_nearValue: 1,
        clampToGround: true,
      };

      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: 31.967015, lng: 117.316406, alt: 9150, heading: 206, pitch: -42 },
            fxaa: true,
          },
        });

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

        pointLayer = new mars3d.layer.GeoJsonLayer({
          name: "体育设施点",
          url: "//data.mars3d.cn/file/geojson/hfty-point.json",
          symbol: {
            styleOptions: {
              ...pointStyle,
              image: "img/marker/mark3.png",
            },
          },
          popup: "{项目名称}",
          zIndex: 10,
        });
        map.addLayer(pointLayer);

        //创建矢量数据图层
        graphicLayer = new mars3d.layer.GraphicLayer({
          zIndex: 20,
        });
        map.addLayer(graphicLayer);

        // 地球点击事件
        map.on(mars3d.EventType.click, (e) => {
          clickPoint(e.cartesian);
        });
      }

      function clickPoint(position) {
        if (pointLayer.length === 0) {
          haoutil.msg("正在加载数据,请稍等......");
          return;
        }

        graphicLayer.clear();

        // 生成查询点
        var queryPoint = new mars3d.graphic.BillboardEntity({
          position: position,
          style: {
            ...pointStyle,
            image: "img/marker/start.png",
          },
          popup: "查询点",
        });
        graphicLayer.addGraphic(queryPoint);

        //turf分析
        var targetPoint = queryPoint.toGeoJSON();
        var points = pointLayer.toGeoJSON();
        var nearest = turf.nearestPoint(targetPoint, points);
        if (!nearest) {
    return;
  }

        let nearestPoint = mars3d.Util.geoJsonToGraphics(nearest)[0];

        //连线
        let polyline = new mars3d.graphic.PolylineEntity({
          positions: [position, nearestPoint.position],
          style: {
            width: 5,
            clampToGround: true,
            material: mars3d.MaterialUtil.createMaterialProperty(mars3d.MaterialType.LineFlow, {
              color: "rgba(89,249,255,0.8)",
              image: "img/textures/LineDataTrans.png",
              speed: 8,
            }),
          },
        });
        graphicLayer.addGraphic(polyline);

        //终点
        var endPoint = new mars3d.graphic.CircleEntity({
          position: nearestPoint.position,
          style: {
            radius: polyline.distance / 10,
            height: 40,
            material: mars3d.MaterialUtil.createMaterialProperty(mars3d.MaterialType.CircleWave, {
              color: "#00ffff",
              count: 2,
              speed: 20,
            }),
          },
          popup: "最近的体育场所是:<br />" + nearestPoint.attr["项目名称"],
        });
        graphicLayer.addGraphic(endPoint);
        endPoint.openPopup();
      }

      function clearAll() {
        graphicLayer.clear();
      }
    </script>
  </body>
</html>