GM_ProjectPointFromECEF

Projects a point from ECEF (earth-centered earth-fixed) coordinates referenced to some datum (normally WGS84) to coordinates in some projection. See GM_ProjectPointToECEF for a sample.

Syntax

C++
Copy 
GM_DLL_EXPORTED GM_Error_t32 __stdcall GM_ProjectPointFromECEF
(
double                  aX,         // IN: ECEF X coordinate of input
double                  aY,         // IN: ECEF Y coordinate of input
double                  aZ,         // IN: ECEF Z coordinate of input
double*                 aXOut,      // OUT: X coordinate of output point
double*                 aYOut,      // OUT: Y coordinate of output point
double*                 aZOut,      // OUT: Z coordinate of output point (meters above ellipsoid)
DATUM                   aDatum,     // IN: datum of ECEF coordinate (normally GM_DATUM_WGS_84)
const GM_Projection_t*  aProjOut    // IN: projection to convert to (NULL for current)
)