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rsc 2004-04-21 22:19:33 +00:00
parent a01e58366c
commit 28994509cc
82 changed files with 13293 additions and 0 deletions
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19
src/cmd/map/libmap/cylindrical.c Normal file
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#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);
}