123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136 |
- <!-- 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>图层数据贴地高度 </title>
- <script
- type="text/javascript"
- src="../lib/include-lib.js"
- libpath="../lib/"
- include="jquery,font-awesome,bootstrap,layer,haoutil,ztree,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>
- <div class="infoview">
- <button id="btn_start" type="button" class="btn btn-primary" title="贴地属性性能较低,建议异步计算后将高度值存放数据库内,后期直接加载此高度值">
- 异步计算贴地高度 <span id="lblTip">0/0</span>
- </button>
- <button id="btnSave" type="button" class="btn btn-primary">保存GeoJSON</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;
- 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: 31.722018, lng: 117.251926, alt: 8378, heading: 360, pitch: -33 },
- },
- });
- //创建三维地球场景
- map = new mars3d.Map("mars3dContainer", mapOptions);
- map.basemap = 2017; //切换到蓝色底图
- let tiles3dLayer = new mars3d.layer.TilesetLayer({
- name: "合肥市建筑物",
- url: "//data.mars3d.cn/3dtiles/jzw-hefei/tileset.json",
- maximumScreenSpaceError: 1,
- maximumMemoryUsage: 1024,
- marsJzwStyle: true, //打开建筑物特效(内置Shader代码)
- popup: [
- { field: "objectid", name: "编号" },
- { field: "name", name: "名称" },
- { field: "height", name: "楼高", unit: "米" },
- ],
- center: { lat: 31.841018, lng: 117.252932, alt: 1346, heading: 38, pitch: -26 },
- flyTo: true,
- });
- map.addLayer(tiles3dLayer);
- let geoJsonLayer = new mars3d.layer.GeoJsonLayer({
- name: "体育设施点",
- url: "//data.mars3d.cn/file/geojson/hfty-point.json",
- symbol: {
- type: "billboard",
- styleOptions: {
- image: "img/marker/mark1.png",
- scale: 0.7,
- verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
- },
- },
- popup: "all",
- flyTo: true,
- });
- map.addLayer(geoJsonLayer);
- //绑定事件
- geoJsonLayer.on(mars3d.EventType.load, function (event) {
- $("#lblTip").html(`0/${geoJsonLayer.length}`);
- console.log("数据加载完成", event);
- });
- $("#btn_start").click(function () {
- getDataSurfaceHeight(geoJsonLayer);
- });
- $("#btnSave").click(function () {
- let geojson = geoJsonLayer.toGeoJSON();
- console.log("geojson", geojson);
- haoutil.file.downloadFile("hfty-point-含高度值.json", JSON.stringify(geojson));
- });
- }
- //计算贴地高度示例代码,可以将获取到的高度更新到数据库内,后续不用重复计算。
- function getDataSurfaceHeight(graphicLayer) {
- if (graphicLayer.length == 0) {
- haoutil.msg("数据尚未加载成功!");
- return;
- }
- haoutil.loading.show();
- //对图层内的数据做贴地运算,自动得到贴地高度
- graphicLayer.clampToGround({
- endItem: function (index, len) {
- $("#lblTip").html(`${index + 1}/${len}`);
- console.log(index);
- },
- callback: function () {
- haoutil.loading.hide();
- },
- });
- }
- </script>
- </body>
- </html>
|