Parent Topic: <A href="http://www.pcigeomatics.com/cgi-bin/pcihlp/IWORKS|LUT+Editing|LUT+Editor">LUT Editor</a><hr>
<H5>Applying Functions</H5>
The ``Apply'' button is used to apply a mathematical function as part
of the LUT. The function is applied within bounds defined
by the markers along the bottom and sides of the main editing graph.<p>
The markers along the left side of the graph determine the minimum and 
maximum output grey level values, while the markers along the bottom of 
the graph determine the range of input data values within which the 
function is applied. The markers can be moved by clicking on them
and dragging them. The values can also be entered directly with
textfields. <p>
If the function name ends with ``w/Tail'', this means for regions
outside of the minimum and maximum grey level values (i.e. horizontal
markers), the tails will be set to the end point values. If the
function names ends with ``Piece'', this means that only the 
LUT values between the minimum and maximum grey level values will
be affected. All other parts of the LUT will remain unchanged.
<P>
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Parent Topic: <A href="http://www.pcigeomatics.com/cgi-bin/pcihlp/IWORKS|LUT+Editing|LUT+Editor">LUT Editor</a><br>
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