标签:
来自http://support.supermap.com.cn/DataWarehouse/WebDocHelp/OnlineHelp/JavaScript/files/SuperMap/Projection-js.html
SuperMap.Projection
坐标转换类。这个类封装了与 proj4js 投影对象进行交互的几种方法。
SuperMap 默认支持 EPSG:4326, CRS:84, urn:ogc:def:crs:EPSG:6.6:4326, EPSG:900913, EPSG:3857, EPSG:102113, EPSG:102100 投影间的转换。
对于 SuperMap 不支持或者用户想要自定义投影类型,可通过下载 proj4js 产品包,并引入产品包中的 proj4js.js 实现自定义的投影转换。 具体方法可以参见开发指南《坐标投影转换》。
目前 proj4js 支持的投影种类有: WGS84, EPSG:4326, EPSG:4269, EPSG:3875, EPSG:3785, EPSG4139,EPSG:4181, EPSG:4272, EPSG:4302, EPSG:21781, EPSG:102113,EPSG:26591,EPSG:26912, EPSG:27200, EPSG:27563, EPSG:41001, EPSG:42304,EPSG:102067, EPSG:102757, EPSG:102758, EPSG:900913, GOOGLE
----------------------------------------------------------------------------------------------------------------------------------------------------------------
http://my.oschina.net/lirong/blog/12820
http://lab.osgeo.cn/post/5610.html
http://hi.baidu.com/liongg/item/318820d21fa73fe6b2f7776d
http://blog.3snews.net/space.php?uid=688&do=blog&id=18629
http://blog.csdn.net/cpcpc/article/details/6123320
----------------------------------------------------------------------------------------------------------------------------------------------------------------
标签:
原文地址:http://www.cnblogs.com/xiyatuyun/p/4270420.html