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The Color menu controls color map of a dataset. Currently there
are five colormaps: gray scale, flag, CBI, CGSI, and rainbow. Flag maps positive
value to red and negative value to blue, zero is white. CGSI behaves similarly except
negative values are mapped to black. CBI maps maps positive to blue, zeros to black,
and negatives to red. The rainbow maps negative values to green transitioning
to blue, white for zero, yellow, red, and finally purple for large positive values.
The Color menu also allows you to change the color used for the text and
the background color.
2009-04-13
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