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<H1>PAL2RGB</H1>
Section: User Commands  (1)<BR>Updated: October 15, 1995<BR><A HREF="#index">Index</A>
<BR><A HREF="index.html">Return to Main Contents</A>
<HR>

<A NAME="lbAB">&nbsp;</A>
<H2>NAME</H2>

pal2rgb - convert a palette color
<FONT SIZE="-1">TIFF</FONT>
image to a full color image
<A NAME="lbAC">&nbsp;</A>
<H2>SYNOPSIS</H2>

<B>pal2rgb</B>

[
<I>options</I>

]
<I>input.tif</I>

<I>output.tif</I>

<A NAME="lbAD">&nbsp;</A>
<H2>DESCRIPTION</H2>

<I>Pal2rgb</I>

converts a palette color
<FONT SIZE="-1">TIFF</FONT>
image to a full color image by
applying the colormap of the palette image to each sample
to generate a full color
<FONT SIZE="-1">RGB</FONT>
image.
<A NAME="lbAE">&nbsp;</A>
<H2>OPTIONS</H2>

Options that affect the interpretation of input data are:
<DL COMPACT>
<DT><B>-C</B>

<DD>
This option overrides the default behaviour of
<I>pal2rgb</I>

in determining whether or not
colormap entries contain 16-bit or 8-bit values.
By default the colormap is inspected and
if no colormap entry greater than 255 is found,
the colormap is assumed to have only 8-bit values; otherwise
16-bit values (as required by the
<FONT SIZE="-1">TIFF</FONT>
specification) are assumed.
The
<B>-C</B>

option can be used to explicitly specify the number of
bits for colormap entries:
<B>-C 8</B>

for 8-bit values, 
<B>-C 16</B>

for 16-bit values.
</DL>
<P>

Options that affect the output file format are:
<DL COMPACT>
<DT><B>-p</B>

<DD>
Explicitly select the planar configuration used in organizing
data samples in the output image:
<B>-p contig</B>

for samples packed contiguously, and
<B>-p separate</B>

for samples stored separately.
By default samples are packed.
<DT><B>-c</B>

<DD>
Use the specific compression algorithm to encoded image data
in the output file:
<B>-c packbits</B>

for Macintosh Packbits,
<B>-c lzw</B>

for Lempel-Ziv &amp; Welch,
<B>-c zip</B>

for Deflate,
<B>-c none</B>

for no compression.
If no compression-related option is specified, the input
file's compression algorithm is used.
<DT><B>-r</B>

<DD>
Explicitly specify the number of rows in each strip of the
output file.
If the
<B>-r</B>

option is not specified, a number is selected such that each
output strip has approximately 8 kilobytes of data in it.
</DL>
<A NAME="lbAF">&nbsp;</A>
<H2>BUGS</H2>

Only 8-bit images are handled.
<A NAME="lbAG">&nbsp;</A>
<H2>SEE ALSO</H2>

<I><A HREF="tiffinfo+1.html">tiffinfo</A></I>(1),

<I><A HREF="tiffcp+1.html">tiffcp</A></I>(1),

<I><A HREF="tiffmedian+1.html">tiffmedian</A></I>(1),

<I><A HREF="libtiff+3">libtiff</A></I>(3)


<HR>
<A NAME="index">&nbsp;</A><H2>Index</H2>
<DL>
<DT><A HREF="#lbAB">NAME</A><DD>
<DT><A HREF="#lbAC">SYNOPSIS</A><DD>
<DT><A HREF="#lbAD">DESCRIPTION</A><DD>
<DT><A HREF="#lbAE">OPTIONS</A><DD>
<DT><A HREF="#lbAF">BUGS</A><DD>
<DT><A HREF="#lbAG">SEE ALSO</A><DD>
</DL>
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Time: 01:31:47 GMT, November 23, 1999
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