地形陰影鳥瞰図の作成 (windows dos プロンプトの例)
type 5440*.MEM 5540*.MEM 5640*.MEM 5541*.MEM 5641*.MEM | mem_g 1733 2400 504000 132600 > topo50.grd
g_seppou 10 < topo50.grd > topo50s.grd
echo v > change.txt
echo Xstr 0.0 >> change.txt
echo v >> change.txt
echo Ystr 0.0 >> change.txt
echo v >> change.txt
echo Dx 55.74 >> change.txt
echo v >> change.txt
echo Dy 46.31 >> change.txt
echo t >> change.txt
echo 1 1 1733 2400 9999.99 0.0 >> change.txt
echo s >> change.txt
echo y >> change.txt
g_change topo50s.grd -v < change.txt
g_shd -az 270 -an 45 -he 0.5 -ppm < topo50.grd > shade.ppm
echo Lw 2 > coast.jkg
dbsel coast.db 1 140 36.50 141.05 37.50 >> coast.jkg
echo Lw 5 >> coast.jkg
echo m 506700 133800 >> coast.jkg
echo l 507736 133800 >> coast.jkg
echo l 507736 134400 >> coast.jkg
echo l 506700 134400 >> coast.jkg
echo l 506700 133800 >> coast.jkg
jkg_seg 1733 2400 504001.125 132600.75 2.25 1.5 < coast.jkg > coast.seg
birdP -f topo50s.grd -cf shade.ppm -rz -10 -rx 45 -sz 5 -pm 0 -in 1 -ey 150000 -sf coast.seg | jkppm -x 2000 -y 2000 > bird.ppm