set_ap_frame - set the frame of a aperture.
set the the frame of a aperture.
ap=circle(12); tp=three_point(0,0,10); tv_x=three_vector(-1,0,0); tv_y=three_vector(0,-1,0); tv_z=three_vector(0,0,-1); tf=three_frame(tp,tv_x,tv_y,tv_z); ap=set_ap_frame(ap,tf);
Chen jingyuan, Gan guangyong (IAPCM, Beijing,China.)
three_frame , circle , rectang , annul_ap , hex_ap , spid_annul_ap , til_hex_ap , aperture ,