#include <u.h>
#include <libc.h>
#include "map.h"
int
Xazequalarea(struct place *place, double *x, double *y)
{
double r;
r = sqrt(1. - place->nlat.s);
*x = - r * place->wlon.s;
*y = - r * place->wlon.c;
return(1);
}
proj
azequalarea(void)
{
return(Xazequalarea);
}
|