src/host/gsmmap/geo.h

   1 /* WGS 84 */
   2 #define EQUATOR_RADIUS  6378137.0
   3 #define POLE_RADIUS     6356752.314
   4
   5 #define PI              3.1415926536
   6
   7 void geo2space(double *x, double *y, double *z, double lat, double lon);
   8 void space2geo(double *lat, double *lon, double x, double y, double z);
   9 double distinspace(double x1, double y1, double z1, double x2, double y2,
  10         double z2);
  11 double distonplane(double x1, double y1, double x2, double y2);
  12