GM_CalcDistance

GM_Error_t32 GM_CalcDistance

(

double  aFromX,     // IN: start X/longitude coordinate

double  aFromY,     // IN: start Y/latitude coordinate

double  aToX,       // IN: stop X/longitude coordinate

double  aToY,       // IN: stop Y/latitude coordinate

boolean aLatLon,    // IN: TRUE - coordinates are lat/lon, FALSE - coordaintes are in the current projection?

double* aDist       // OUT: distance in meters between the points

);