# select GRID gun
/fred/gun GRID
# select SHADOW draw mode
/fred/draw SHADOW
# select BOX test volume
/fred/volume BOX
# initialize
/run/initialize
# initialize x-windows OpenGL viewer
/control/execute draw.script
# select a large but not too time consuming number of tracks
/gridGun/n1 40
/gridGun/n2 40
# run script 1
/control/execute grids1.script
# run script 2
/control/execute grids2.script
# run script 3
/control/execute grids3.script