Global Mapper SDK
Convert a coordinate between the current projection and a pixel coordinate. The conversion space can be either the last drawn coordinate space or the caller can provide the coordinate space to work in.
Syntax
C++
Copy
GM_Error_t32 __stdcall GM_ConvertCoordGroundToPixelDouble
(
double aGroundX, // IN: X Coord in current projection
double aGroundY, // IN: Y Coord in current projection
double* aPixelX, // OUT: X Coord in pixel space
double* aPixelY, // OUT: Y Coord in pixel space
const GM_Rectangle_t* aWorldBounds, // IN: World bounds to convert from or NULL for last drawn
const GM_PixelRect_t* aPixelRect // IN: Pixel bounds to convert from or NULL for last drawn
);