CoordinateSystemTransformx.h File Reference

#include "../../classes/classes.h"

Go to the source code of this file.

Functions
void	CoordinateSystemTransformx (double **px_dest, double **py_dest, double *x_src, double *y_src, int size, const char *str_src, const char *str_dst)

Function Documentation

CoordinateSystemTransformx()

void CoordinateSystemTransformx	(	double **	px_dest,
		double **	py_dest,
		double *	x_src,
		double *	y_src,
		int	size,
		const char *	str_src,
		const char *	str_dst
	)

Definition at line 12 of file CoordinateSystemTransformx.cpp.

                                                                                                                                               {
 
#if !defined(_HAVE_PROJ_)
   _error_("proj not installed");
#else
 
   /*Allocate output and initialize values as src*/
   _assert_(size>0);
   double* x_dest = xNew<double>(size);
   double* y_dest = xNew<double>(size);
   for(int i=0;i<size;i++){
      x_dest[i] = x_src[i];
      y_dest[i] = y_src[i];
   }
 
   /*Create proj.4 projection objects for src and dst*/
   projPJ pj_src  = pj_init_plus(str_src);
   projPJ pj_dst  = pj_init_plus(str_dst);
   if(!pj_src) _error_("Failed to initialize PROJ with source projection \""    <<str_src<<"\"\n");
   if(!pj_dst) _error_("Failed to initialize PROJ with destination projection\""<<str_dst<<"\"\n");
 
   /*Perform transformation*/
   int p = pj_transform(pj_src,pj_dst,size,1,x_dest,y_dest,NULL);
   if(p!=0) _error_("Reprojection failed, PROJ error code: "<<p<<"\n");
 
   /*Output : */
   *px_dest=x_dest;
   *py_dest=y_dest;
#endif
}