Controls:

Esc

exit

-> (Right)

show next grid

<- (Left)

show previous grid

1

toggle tree topology view on/off

2

toggle surface view on/off

3

toggle data view on/off

G

("geometry") look at center of geometry

H

("home") look at origin

I

toggle on-screen grid info on/off

left mouse

tumble

right mouse

pan

mouse wheel

zoom

X + wheel

move right cut plane

Shift + X + wheel

move left cut plane

Y + wheel

move top cut plane

Shift + Y + wheel

move bottom cut plane

Z + wheel

move front cut plane

Shift + Z + wheel

move back cut plane

Ctrl + X + wheel

move both X cut planes

Ctrl + Y + wheel

move both Y cut planes

Ctrl + Z + wheel

move both Z cut planes