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<!-- Creator : groff version 1.22.4 --> <!-- CreationDate: Sun Nov 2 19:00:00 2025 --> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta name="generator" content="groff -Thtml, see www.gnu.org"> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <meta name="Content-Style" content="text/css"> <style type="text/css"> p { margin-top: 0; margin-bottom: 0; vertical-align: top } pre { margin-top: 0; margin-bottom: 0; vertical-align: top } table { margin-top: 0; margin-bottom: 0; vertical-align: top } h1 { text-align: center } </style> <title>PPM2TIFF</title> </head> <body> <h1 align="center">PPM2TIFF</h1> <a href="#NAME">NAME</a><br> <a href="#SYNOPSIS">SYNOPSIS</a><br> <a href="#DESCRIPTION">DESCRIPTION</a><br> <a href="#OPTIONS">OPTIONS</a><br> <a href="#SEE ALSO">SEE ALSO</a><br> <hr> <h2>NAME <a name="NAME"></a> </h2> <p style="margin-left:11%; margin-top: 1em">ppm2tiff &minus; create a <small>TIFF</small> file from <small>PPM, PGM</small> and <small>PBM</small> image files</p> <h2>SYNOPSIS <a name="SYNOPSIS"></a> </h2> <p style="margin-left:11%; margin-top: 1em"><b>ppm2tiff</b> [ <i>options</i> ] [ <i>input.ppm</i> ] <i>output.tif</i></p> <h2>DESCRIPTION <a name="DESCRIPTION"></a> </h2> <p style="margin-left:11%; margin-top: 1em"><i>ppm2tiff</i> converts a file in the <small>PPM, PGM</small> and <small>PBM</small> image formats to <small>TIFF.</small> By default, the <small>TIFF</small> image is created with data samples packed (<i>PlanarConfiguration</i>=1), compressed with the Packbits algorithm (<i>Compression</i>=32773), and with each strip no more than 8 kilobytes. These characteristics can be overridden, or explicitly specified with the options described below</p> <p style="margin-left:11%; margin-top: 1em">If the <small>PPM</small> file contains greyscale data, then the <i>PhotometricInterpretation</i> tag is set to 1 (min-is-black), otherwise it is set to 2 (RGB).</p> <p style="margin-left:11%; margin-top: 1em">If no <small>PPM</small> file is specified on the command line, <i>ppm2tiff</i> will read from the standard input.</p> <h2>OPTIONS <a name="OPTIONS"></a> </h2> <table width="100%" border="0" rules="none" frame="void" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="11%"></td> <td width="3%"> <p style="margin-top: 1em"><b>&minus;c</b></p></td> <td width="8%"></td> <td width="78%"> <p style="margin-top: 1em">Specify a compression scheme to use when writing image data: <b>none</b> for no compression, <b>packbits</b> for PackBits compression (will be used by default), <b>lzw</b> for Lempel-Ziv &amp; Welch compression, <b>jpeg</b> for baseline JPEG compression, <b>zip</b> for Deflate compression, <b>g3</b> for CCITT Group 3 (T.4) compression, and <b>g4</b> for CCITT Group 4 (T.6) compression.</p> </td></tr> <tr valign="top" align="left"> <td width="11%"></td> <td width="3%"> <p><b>&minus;r</b></p></td> <td width="8%"></td> <td width="78%"> <p>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.</p></td></tr> <tr valign="top" align="left"> <td width="11%"></td> <td width="3%"> <p><b>&minus;R</b></p></td> <td width="8%"></td> <td width="78%"> <p>Mark the resultant image to have the specified X and Y resolution (in dots/inch).</p></td></tr> </table> <h2>SEE ALSO <a name="SEE ALSO"></a> </h2> <p style="margin-left:11%; margin-top: 1em"><b>tiffinfo</b>(1), <b>tiffcp</b>(1), <b>tiffmedian</b>(1), <b>libtiff</b>(3)</p> <p style="margin-left:11%; margin-top: 1em">Libtiff library home page: <b>http://www.simplesystems.org/libtiff/</b></p> <hr> </body> </html>