ref: 55033d9aedd86ab398644d188ae826cb537a52c7
dir: /sys/src/cmd/map/libmap/rectangular.c/
#include <u.h> #include <libc.h> #include "map.h" static double scale; static int Xrectangular(struct place *place, double *x, double *y) { *x = -scale*place->wlon.l; *y = place->nlat.l; return(1); } proj rectangular(double par) { scale = cos(par*RAD); if(scale<.1) return 0; return(Xrectangular); }