EvilTransform WGS-84 to GCJ-02 Original from: https://on4wp7.codeplex.com/SourceControl/changeset/view/21483#353936 http://emq.googlecode.com/svn/emq/src/Algorithm/Coords/Converter.java See also: http://blog.csdn.net/coolypf/article/details/8686588 http://cxzy.people.com.cn/GB/196034/14908095.html