convert local coordinates to wgs84

/** * Created by Wandergis on 2015/7/8. * provided Baidu coordinates (BD09), geodetic coordinates (MARS coordinates, GCJ02), and WGS84 coordinate system between the conversion *///define some constants var X_pi = 3.14159265358979324 * 3000.0/180.0;var PI = 3.1415 926535897932384626;var a = 6378245.0;var ee = 0.00669342

/WGS84 coordinates to Mars coordinates (IOS)) Mars coordinate system (GCJ-02) and Baidu coordinate system (BD-09) conversion algorithm: http://blog.csdn.net/coolypf/article/details/8569813 (interpretation: International latitude and longitude coordinate standard for WGS-84, The country must use at least the GCJ-02 developed by the National Bureau of testi

1.gcj-02 coordinate system (Mars coordinates) Introduction: http://blog.csdn.net/giswens/article/details/8775121 (archive: http://mapbd.com/cms/2012/07/25/)Theoretical basis for reverse transformation of 2.gcj-02 to real coordinates: http://blog.csdn.net/giswens/article/details/87752133.WGS84 coordinates with web Merca

We often hope that the arctoolbox tool can be used for Coordinate Transformation to convert the coordinate system in beijing 54 or Xi'an 80 to WGS84. In fact, this is not accurate, the projection coordinates of beijing 54 or Xi'an 80 can be computed and converted to the corresponding geographic coordinate system. However, since the conversion parameters from the

actually localposition, the local coordinates. So how do you make the two coordinates interchangeable? First of all, the local coordinates to the world coordinates already have predecessors proposed one method: Click the Open lin