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The displayed surface can be viewed in the usual manner for 3D data
under Tina. That is the zoom facility is set according to;
left drag : up/down/left/right = image shift.
middle drag : left/right = zoom in/out (from centre)
up/down = rotate display about view direction.
right down : up/down = 3D rotation about vertical display axis.
The effects of these options on the display process are best understood
from personal experience.