Global Mapper SDK
The GM_ConvertCoordGroundToPixel function converts a coordinate between the current projection and pixel space. 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 GM_ConvertCoordGroundToPixel
(
double aGroundX, // IN: X Coord in current projection
double aGroundY, // IN: Y Coord in current projection
sint32* aPixelX, // OUT: X Coord in pixel space
sint32* 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
);