ref: 381da3192f22f6e4909f7a093776e91ba6a9f93b
dir: /sys/src/cmd/map/libmap/azequidist.c/
#include <u.h> #include <libc.h> #include "map.h" int Xazequidistant(struct place *place, double *x, double *y) { double colat; colat = PI/2 - place->nlat.l; *x = -colat * place->wlon.s; *y = -colat * place->wlon.c; return(1); } proj azequidistant(void) { return(Xazequidistant); }