OpenLayers开发中,坐标系'EPSG:4326'转'EPSG:900913'
来源:互联网 发布:网页美工要学些什么 编辑:程序博客网 时间:2024/06/16 04:50
var mapOptions = {
resolutions: [156543.03390625, 78271.516953125, 39135.7584765625, 19567.87923828125, 9783.939619140625, 4891.9698095703125, 2445.9849047851562, 1222.9924523925781, 611.4962261962891, 305.74811309814453, 152.87405654907226, 76.43702827453613, 38.218514137268066, 19.109257068634033, 9.554628534317017, 4.777314267158508, 2.388657133579254, 1.194328566789627, 0.5971642833948135],
// resolutions: [0.703125, 0.3515625, 0.17578125, 0.087890625, 0.0439453125, 0.02197265625, 0.010986328125, 0.0054931640625, 0.00274658203125,
// 0.001373291015625, 6.866455078125E-4, 3.4332275390625E-4, 1.71661376953125E-4, 8.58306884765625E-5, 4.291534423828125E-5,
// 2.1457672119140625E-5, 1.0728836059570312E-5, 5.364418029785156E-6, 2.682209014892578E-6],
projection: new OpenLayers.Projection('EPSG:900913'),
displayProjection: new OpenLayers.Projection('EPSG:4326'),
maxExtent: new OpenLayers.Bounds(-20037508.34, -20037508.34, 20037508.34, 20037508.34),
allOverlays: true,
// units: "meters",
controls: []
};
function drawFature(vwkt,vl){
var feature = new OpenLayers.Format.WKT().read(vwkt);
var gml = new OpenLayers.Format.GML();
var style = {
strokeColor: "blue",
strokeWidth: 1,
pointerEvents: "visiblePainted",
fillColor: "red",
fillOpacity: 0.5
};
feature.style=style;
var geo = feature.geometry;
var bo = geo.getBounds();
var latlon=bo.getCenterLonLat();
var p=latlon.transform(map.displayProjection,map.getProjectionObject());
var lat = p.lat;
var lon = p.lon;
console.info(lat+"--"+lon);
vectorLayer.addFeatures([feature]);
locatebylonlat(lon,lat,vl);
map.moveTo([lon, lat],10, new Object());
}
0 0
- OpenLayers开发中,坐标系'EPSG:4326'转'EPSG:900913'
- EPSG:4326坐标系和EPSG:900913坐标系
- EPSG:900913 与 EPSG:4326 转换方法
- EPSG
- EPSG:4326
- 常见EPSG
- GIS中WKT、SRID、EPSG概念
- No code "EPSG:4326" from authority "EPSG" found for object of type "EngineeringCRS"
- WKT、SRID、EPSG概念
- WKT、SRID、EPSG概念
- GOOGLE MAP使用的投影为EPSG:900913
- Google map 地图分块算法的解析 EPSG:900913
- Google map EPSG:900913 地图分块算法、切片算法个人解析。一看就明白哈
- openscale加载wms服务的参数,geoserver只认EPSG:4326??
- 查询oracle srid 对应的EPSG代码
- CRS:84与EPSG:84的区别
- 如何创建EPSG Geodetic Parameter Dataset for Postgresql 8
- google map所采用的投影EPSG:3785 简介
- JS中如何判断null、undefined与NaN
- Win7x64_opencv3.0_VS2013下配置过程和问题解决
- mysql InnoDB Monitors 4种监控
- iOS 企业证书发布app 流程
- Other Linker Flags的设置
- OpenLayers开发中,坐标系'EPSG:4326'转'EPSG:900913'
- stl之hash set
- java 面试 - SQL情景
- Ubuntu-安装-有道词典
- jQuery 学习笔记(三)——事件与应用
- Android截图 调用图片照片并截图,相机照相截图
- flash builder授权问题解决
- POJ 2739 Sum of Consecutive Prime Numbers-数论-(连续素数和)
- Java foreach