rm -f scene.oct scene.pic
time oconv scene.rad > scene.oct
time rpict -t 30 -vf v1.vf -ab 1 -x 1000 -y 1000 -aa 0.2 -ar 32 -ad 128 -as 0 -lr 6 -lw 0.005 scene.oct > scene.pic
time pfilt -x /2 -y /2 scene.pic > scene_e.pic
