Parent Topic: <A href="http://www.pcigeomatics.com/cgi-bin/pcihlp/IWORKS|PCT+Editing">PCT Editing</a><hr>
<H4>Predefined Pseudocolour Tables</H4>
The Predefined Pseudocolour Table buttons allow the user to quickly
replace the existing PCT with a standard PCT provided by the
systems.<p>
Smooth
<P>
<UL>
<LI> A colour ramp running from dark blue to green to yellow to red 
to magenta. 
</UL>
Stepped
<P>
<UL>
<LI> A series of short colour ramps. 
</UL>
Grey Ramp
<P>
<UL>
<LI> A simple grey ramp with 0 mapped to black, and 255 mapped to
white. 
</UL>
Random
<P>
<UL>
<LI> A more or less random set of colours. 
</UL>
One step Undo is available after the selection of a predefined
Pseudocolour table, via the ``Undo'' button.
<P>
<hr>
Parent Topic: <A href="http://www.pcigeomatics.com/cgi-bin/pcihlp/IWORKS|PCT+Editing">PCT Editing</a><br>
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