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libtiff3-devel-3.5.7-6mdk.ppc.rpm

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<H1>RAS2TIFF</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>

ras2tiff - create a
<FONT SIZE="-1">TIFF</FONT>
file from a Sun rasterfile
<A NAME="lbAC">&nbsp;</A>
<H2>SYNOPSIS</H2>

<B>ras2tiff</B>

[
<I>options</I>

]
<I>input.ras</I>

<I>output.tif</I>

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

<I>ras2tiff</I>

converts a file in the Sun rasterfile format to
<FONT SIZE="-1">TIFF.</FONT>
By default, the
<FONT SIZE="-1">TIFF</FONT>
image is created with data samples packed (<I>PlanarConfiguration</I>=1),

compressed with the Lempel-Ziv &amp; Welch algorithm (<I>Compression</I>=5),

and with each strip no more than 8 kilobytes.
These characteristics can overriden, or explicitly specified
with the options described below.
<P>

Any colormap information in the rasterfile is carried over to the
<FONT SIZE="-1">TIFF</FONT>
file by including a
<I>Colormap</I>

tag in the output file.
If the rasterfile has a colormap, the
<I>PhotometricInterpretation</I>

tag is set to 3 (palette);
otherwise it is set to 2 (RGB) if the depth
is 24 or 1 (min-is-black) if the depth is not 24.
<A NAME="lbAE">&nbsp;</A>
<H2>OPTIONS</H2>

<DL COMPACT>
<DT><B>-c</B>

<DD>
Specify a compression scheme to use when writing image data:
<B>-c none</B>

for no compression,
<B>-c packbits</B>

for the PackBits compression algorithm,
<B>-c jpeg</B>

for the baseline JPEG compression algorithm,
<B>-c zip</B>

for the Deflate compression algorithm,
and
<B>-c lzw</B>

for Lempel-Ziv &amp; Welch (the default).
<DT><B>-r</B>

<DD>
Write data with a specified number of rows per strip;
by default the number of rows/strip is selected so that each strip
is approximately 8 kilobytes.
</DL>
<A NAME="lbAF">&nbsp;</A>
<H2>BUGS</H2>

Does not handle all possible rasterfiles.
In particular, 
<I>ras2tiff</I>

does not handle run-length encoded images.
<A NAME="lbAG">&nbsp;</A>
<H2>SEE ALSO</H2>

<I><A HREF="pal2rgb+1.html">pal2rgb</A></I>(1),

<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>
<HR>
This document was created by
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Time: 01:31:47 GMT, November 23, 1999
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