1 28994509 2004-04-21 devnull #include <u.h>
 2 28994509 2004-04-21 devnull #include <libc.h>
 3 28994509 2004-04-21 devnull #include "map.h"
 4 28994509 2004-04-21 devnull 
 5 28994509 2004-04-21 devnull int
 6 28994509 2004-04-21 devnull Xazequalarea(struct place *place, double *x, double *y)
 7 28994509 2004-04-21 devnull {
 8 28994509 2004-04-21 devnull 	double r;
 9 28994509 2004-04-21 devnull 	r = sqrt(1. - place->nlat.s);
10 28994509 2004-04-21 devnull 	*x = - r * place->wlon.s;
11 28994509 2004-04-21 devnull 	*y = - r * place->wlon.c;
12 28994509 2004-04-21 devnull 	return(1);
13 28994509 2004-04-21 devnull }
14 28994509 2004-04-21 devnull 
15 28994509 2004-04-21 devnull proj
16 28994509 2004-04-21 devnull azequalarea(void)
17 28994509 2004-04-21 devnull {
18 28994509 2004-04-21 devnull 	return(Xazequalarea);
19 28994509 2004-04-21 devnull }