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Sourcecode: r-cran-mapproj version File versions  Download package

cylindrical.c

/* RSB #include <u.h>
#include <libc.h>*/
#include "map.h"

int
Xcylindrical(struct place *place, double *x, double *y)
{
      if(fabs(place->nlat.l) > 80.*RAD)
            return(-1);
      *x = - place->wlon.l;
      *y = place->nlat.s / place->nlat.c;
      return(1);
}

proj
cylindrical(void)
{
      return(Xcylindrical);
}

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