Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include "map.h"


static int
Xlaue(struct place *place, double *x, double *y)
{
        double r;
        if(place->nlat.l<PI/4+FUZZ)
                return(-1);
        r = tan(PI-2*place->nlat.l);
        if(r>3)
                return(-1);
        *x = - r * place->wlon.s;
        *y = - r * place->wlon.c;
        return(1);
}

proj
laue(void)
{
        return(Xlaue);
}