Subversion Repositories planix.SVN

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

#define Xaitwist Xaitpole.nlat
static struct place Xaitpole;

static int
Xaitoff(struct place *place, double *x, double *y)
{
        struct place p;
        copyplace(place,&p);
        p.wlon.l /= 2.;
        sincos(&p.wlon);
        norm(&p,&Xaitpole,&Xaitwist);
        Xazequalarea(&p,x,y);
        *x *= 2.;
        return(1);
}

proj
aitoff(void)
{
        latlon(0.,0.,&Xaitpole);
        return(Xaitoff);
}