Scene navigation

To navigate and control the scene, the following keyboard keys can be used.

'spacebar' = show/hide all commands in display window and show/hide statistics window. 

INFO: a: show all | i: fit view | d: show helper buffers | s: small feature culling | t: light view | m: toggle render mode | c: frustum culling | p: intersect type | 
e: examine mode | f: fly mode | y: freefly mode | w: walk mode | h: helicopter mode | l: lookAt mode | o: lookaround | g: game mode | n: turntable | u: upright position | 
v: print viewpoint info | r: reset view | home: first view | end: last view | pageUp: next view | pageDown: prev. view | +: increase speed | -: decrease speed 
    
'a' = switch to show all mode.
'b' = 
'c' = switch to view frustum culling mode on/off.
'd' = switch to display information mode on/off (show helper buffers).
'e' = switch to examine mode.
'f' = switch to fly around mode.
'g' = switch to game mode.
'h' = 
'i' = switch to view all mode at current aspect.
'j'
'k' 
'l' = switch to look at mode.
'm' = switch render mode.
'n' = switch to turntable mode.
'o' = switch to look around mode.    
'p' = switch intersect type, (color/textCoord/box/idBuf).
'q' = 
'r' = switch to reset view mode.
's' = switch to small feature culling mode on/off.
't' = switch to view all mode.
'u' = switch to upright position mode.
'v' = switch to get view point position - print viewpoint info (needs 'd' display information on first).
'w' = switch to walk mode.
'y' = switch to free fly mode.
    
'home' = move to first view.
'end' = move to last view.
'pageUp' = move to next view.
'pageDown' = move to previous view.
'+' = increase speed.
'-' = decrease speed.