Miscellaneous Screen Settings - Orientation, Climit

Currently this widget has two functions that affect images that
are displayed after the settings are changed. They do do not
affect any images already on the screen.

The orientation button allows the image to be displayed in any
of 8 orientations. The current orientation is showed by the
sketch of (x,y) directions on the button. Pressing the button
changes the sketch and a parameter called !iorder which controls
the way images are displayed. The default orientation is TV scan
mode with x increasing from left to right but with y increasing
from top to bottom. Hence the image origin is at the top left
corner. The most common variation from this default has the
origin at the bottom left corner.

The climit parameter controls how big an image has to be before
it gets compressed by a factor of 2 before display. The default
is 799 which means that any image with 800 or more pixels in
width or height gets compressed. Hence a 1024x1024 image gets
compressed into a 512x512 pixel window. If the full image was
desired in this case, set the climit to 1025 or greater and
PRESS RETURN. It is important to complete the entry with a
carriage return or the value will not be updated.

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