130 lines
2.7 KiB
HTML
130 lines
2.7 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML><HEAD><TITLE>Manpage of PPM2TIFF</TITLE>
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</HEAD><BODY BGCOLOR=WHITE><FONT FACE="helvetica, sans, arial">
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<H1>PPM2TIFF</H1>
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Section: User Commands (1)<BR>Updated: October 15, 1995<BR><A HREF="#index">Index</A>
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<BR><A HREF="index.html">Return to Main Contents</A>
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<HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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ppm2tiff - create a
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<FONT SIZE="-1">TIFF</FONT>
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file from a
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<FONT SIZE="-1">PPM</FONT>
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image file
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>ppm2tiff</B>
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[
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<I>options</I>
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] [
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<I>input.ppm</I>
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]
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<I>output.tif</I>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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<I>ppm2tiff</I>
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converts a file in the
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<FONT SIZE="-1">PPM</FONT>
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image format to
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<FONT SIZE="-1">TIFF.</FONT>
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By default, the
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<FONT SIZE="-1">TIFF</FONT>
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image is created with data samples packed (<I>PlanarConfiguration</I>=1),
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compressed with the Lempel-Ziv & Welch algorithm (<I>Compression</I>=5),
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and with each strip no more than 8 kilobytes.
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These characteristics can be overriden, or explicitly specified
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with the options described below
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<P>
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If the
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<FONT SIZE="-1">PPM</FONT>
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file contains greyscale data, then the
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<I>PhotometricInterpretation</I>
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tag is set to 1 (min-is-black),
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otherwise it is set to 2 (RGB).
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<P>
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If no
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<FONT SIZE="-1">PPM</FONT>
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file is specified on the command line,
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<I>ppm2tiff</I>
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will read from the standard input.
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<A NAME="lbAE"> </A>
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<H2>OPTIONS</H2>
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<DL COMPACT>
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<DT><B>-c</B>
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<DD>
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Specify a compression scheme to use when writing image data:
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<B>-c none</B>
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for no compression,
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<B>-c packbits</B>
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for the PackBits compression algorithm,
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<B>-c jpeg</B>
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for the baseline JPEG compression algorithm,
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<B>-c zip</B>
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for the Deflate compression algorithm,
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and
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<B>-c lzw</B>
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for Lempel-Ziv & Welch compression (the default).
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<DT><B>-r</B>
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<DD>
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Write data with a specified number of rows per strip;
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by default the number of rows/strip is selected so that each strip
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is approximately 8 kilobytes.
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<DT><B>-R</B>
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<DD>
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Mark the resultant image to have the specified
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X and Y resolution (in dots/inch).
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</DL>
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<A NAME="lbAF"> </A>
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<H2>SEE ALSO</H2>
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<I><A HREF="tiffinfo+1.html">tiffinfo</A></I>(1),
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<I><A HREF="tiffcp+1.html">tiffcp</A></I>(1),
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<I><A HREF="tiffmedian+1.html">tiffmedian</A></I>(1),
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<I><A HREF="libtiff+3">libtiff</A></I>(3)
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT><A HREF="#lbAB">NAME</A><DD>
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<DT><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT><A HREF="#lbAE">OPTIONS</A><DD>
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<DT><A HREF="#lbAF">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="index.html">man2html</A>,
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using the manual pages.<BR>
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Time: 01:31:47 GMT, November 23, 1999
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</BODY>
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</HTML>
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