Global Mapper SDK

GM_GPSGetVelocity

Retrieves the current GPS velocity value in meters/second. Will return GM_Error_GPSDataNotValid if there if either we are not tracking a GPS device or the velocity is not known.

Syntax

C++

Copy

GM_Error_t32 GM_GPSGetVelocity
(
float*                  aVelocity       // out: current GPS velocity in m/s
);