Bing Maps Tile System Bing地图瓦片体系 原文链接:http://msdn.microsoft.com/en-us/library/bb259689.aspx Bing Maps provides a world map that users can directly manipulate to pan and zoom. To make this interaction as fast and responsive as possible, we chose to pr…
代码: function getPosition() { //得到当前三维场景 var scene = viewer.scene; //得到当前三维场景的椭球体 var ellipsoid = scene.globe.ellipsoid; var entity = viewer.entities.add({ label : { show : false } }); var longitudeString = null; var latitudeString = null; var height…
在网页三维地球上进行可视化开发与经纬度坐标以及高度是分不开的,能够实时获取鼠标位置的经纬度对可视化效果有很好的帮助,Cesium当然能做到: (1)首先在里创建显示坐标的容器 样式自己调整的合适即可,要注意一点,position必须设成absolute,z-index必须大于1,因为cesiumcontainer的z-index是1. (2)在 //显示坐标 var canvas = scene.canvas; var handler = new Cesium.ScreenSpace…
代码 // 获取当前三维范围 function getCurrentExtent() { // 范围对象 var extent = {}; // 得到当前三维场景 var scene = viewer.scene; // 得到当前三维场景的椭球体 var ellipsoid = scene.globe.ellipsoid; var canvas = scene.canvas; // canvas左上角 var car3_lt = viewer.camera.pickEllipsoid(new C…
