1*59cc4ca5SDavid du Colombier #include <u.h> 2*59cc4ca5SDavid du Colombier #include <libc.h> 33e12c5d1SDavid du Colombier #include "map.h" 43e12c5d1SDavid du Colombier 53e12c5d1SDavid du Colombier int Xazequalarea(struct place * place,double * x,double * y)6219b2ee8SDavid du ColombierXazequalarea(struct place *place, double *x, double *y) 73e12c5d1SDavid du Colombier { 83e12c5d1SDavid du Colombier double r; 93e12c5d1SDavid du Colombier r = sqrt(1. - place->nlat.s); 103e12c5d1SDavid du Colombier *x = - r * place->wlon.s; 113e12c5d1SDavid du Colombier *y = - r * place->wlon.c; 123e12c5d1SDavid du Colombier return(1); 133e12c5d1SDavid du Colombier } 143e12c5d1SDavid du Colombier 153e12c5d1SDavid du Colombier proj azequalarea(void)163e12c5d1SDavid du Colombierazequalarea(void) 173e12c5d1SDavid du Colombier { 183e12c5d1SDavid du Colombier return(Xazequalarea); 193e12c5d1SDavid du Colombier } 20