10dcb9ef1SAndrey Kiselev<!-- Creator : groff version 1.18.1 --> 2f14d1a56SAndrey Kiselev<!-- CreationDate: Sat Feb 24 18:37:19 2007 --> 3fd935fb2SAndrey Kiselev<html> 4fd935fb2SAndrey Kiselev<head> 5fd935fb2SAndrey Kiselev<meta name="generator" content="groff -Thtml, see www.gnu.org"> 6fd935fb2SAndrey Kiselev<meta name="Content-Style" content="text/css"> 7fd935fb2SAndrey Kiselev<title>TIFF2BW</title> 8fd935fb2SAndrey Kiselev</head> 9fd935fb2SAndrey Kiselev<body> 10e49fae91SMike Welles 11fd935fb2SAndrey Kiselev<h1 align=center>TIFF2BW</h1> 12fd935fb2SAndrey Kiselev<a href="#NAME">NAME</a><br> 13fd935fb2SAndrey Kiselev<a href="#SYNOPSIS">SYNOPSIS</a><br> 14fd935fb2SAndrey Kiselev<a href="#DESCRIPTION">DESCRIPTION</a><br> 15fd935fb2SAndrey Kiselev<a href="#OPTIONS">OPTIONS</a><br> 16fd935fb2SAndrey Kiselev<a href="#SEE ALSO">SEE ALSO</a><br> 17e49fae91SMike Welles 18fd935fb2SAndrey Kiselev<hr> 19fd935fb2SAndrey Kiselev<a name="NAME"></a> 20fd935fb2SAndrey Kiselev<h2>NAME</h2> 210dcb9ef1SAndrey Kiselev<!-- INDENTATION --> 220dcb9ef1SAndrey Kiselev<table width="100%" border=0 rules="none" frame="void" 230dcb9ef1SAndrey Kiselev cols="2" cellspacing="0" cellpadding="0"> 240dcb9ef1SAndrey Kiselev<tr valign="top" align="left"> 250dcb9ef1SAndrey Kiselev<td width="8%"></td> 260dcb9ef1SAndrey Kiselev<td width="91%"> 270dcb9ef1SAndrey Kiselev<p>tiff2bw − convert a color <small>TIFF</small> image 280dcb9ef1SAndrey Kiselevto greyscale</p> 290dcb9ef1SAndrey Kiselev</td> 300dcb9ef1SAndrey Kiselev</table> 31fd935fb2SAndrey Kiselev<a name="SYNOPSIS"></a> 32fd935fb2SAndrey Kiselev<h2>SYNOPSIS</h2> 330dcb9ef1SAndrey Kiselev<!-- INDENTATION --> 340dcb9ef1SAndrey Kiselev<table width="100%" border=0 rules="none" frame="void" 350dcb9ef1SAndrey Kiselev cols="2" cellspacing="0" cellpadding="0"> 360dcb9ef1SAndrey Kiselev<tr valign="top" align="left"> 370dcb9ef1SAndrey Kiselev<td width="8%"></td> 380dcb9ef1SAndrey Kiselev<td width="91%"> 39ef833c65SAndrey Kiselev<p><b>tiff2bw</b> [ <i>options</i> ] <i>input.tif 400dcb9ef1SAndrey Kiselevoutput.tif</i></p> 410dcb9ef1SAndrey Kiselev</td> 420dcb9ef1SAndrey Kiselev</table> 43fd935fb2SAndrey Kiselev<a name="DESCRIPTION"></a> 44fd935fb2SAndrey Kiselev<h2>DESCRIPTION</h2> 450dcb9ef1SAndrey Kiselev<!-- INDENTATION --> 460dcb9ef1SAndrey Kiselev<table width="100%" border=0 rules="none" frame="void" 470dcb9ef1SAndrey Kiselev cols="2" cellspacing="0" cellpadding="0"> 480dcb9ef1SAndrey Kiselev<tr valign="top" align="left"> 490dcb9ef1SAndrey Kiselev<td width="8%"></td> 500dcb9ef1SAndrey Kiselev<td width="91%"> 510dcb9ef1SAndrey Kiselev<p><i>Tiff2bw</i> converts an <small>RGB</small> or Palette 520dcb9ef1SAndrey Kiselevcolor <small>TIFF</small> image to a greyscale image by 530dcb9ef1SAndrey Kiselevcombining percentages of the red, green, and blue channels. 540dcb9ef1SAndrey KiselevBy default, output samples are created by taking 28% of the 550dcb9ef1SAndrey Kiselevred channel, 59% of the green channel, and 11% of the blue 5687c5da6fSAndrey Kiselevchannel. To alter these percentages, the <b>−R</b>, 5787c5da6fSAndrey Kiselev<b>−G</b>, and <b>−B</b> options may be 5887c5da6fSAndrey Kiselevused.</p> 590dcb9ef1SAndrey Kiselev</td> 600dcb9ef1SAndrey Kiselev</table> 61fd935fb2SAndrey Kiselev<a name="OPTIONS"></a> 62fd935fb2SAndrey Kiselev<h2>OPTIONS</h2> 630dcb9ef1SAndrey Kiselev<!-- TABS --> 641255f5abSAndrey Kiselev<table width="100%" border=0 rules="none" frame="void" 650dcb9ef1SAndrey Kiselev cols="5" cellspacing="0" cellpadding="0"> 66fd935fb2SAndrey Kiselev<tr valign="top" align="left"> 670dcb9ef1SAndrey Kiselev<td width="10%"></td> 6887c5da6fSAndrey Kiselev<td width="3%"> 691255f5abSAndrey Kiselev 700dcb9ef1SAndrey Kiselev<p><b>−c</b></p> 710dcb9ef1SAndrey Kiselev</td> 720dcb9ef1SAndrey Kiselev<td width="5%"></td> 730dcb9ef1SAndrey Kiselev<td width="80%"> 741255f5abSAndrey Kiselev 750dcb9ef1SAndrey Kiselev<p>Specify a compression scheme to use when writing image 76ef833c65SAndrey Kiselevdata: <b>−c none</b> for no compression, <b>−c 77ef833c65SAndrey Kiselevpackbits</b> for the PackBits compression algorithm, 78ef833c65SAndrey Kiselev<b>−c zip</b> for the Deflate compression algorithm, 79ef833c65SAndrey Kiselev<b>−c g3</b> for the CCITT Group 3 compression 80ef833c65SAndrey Kiselevalgorithm, <b>−c g4</b> for the CCITT Group 4 81ef833c65SAndrey Kiselevcompression algorithm, and <b>−c lzw</b> for 82ef833c65SAndrey KiselevLempel-Ziv & Welch (the default).</p> 830dcb9ef1SAndrey Kiselev</td> 840dcb9ef1SAndrey Kiselev<td width="0%"> 850dcb9ef1SAndrey Kiselev</td> 861255f5abSAndrey Kiselev<tr valign="top" align="left"> 870dcb9ef1SAndrey Kiselev<td width="10%"></td> 8887c5da6fSAndrey Kiselev<td width="3%"> 891255f5abSAndrey Kiselev 900dcb9ef1SAndrey Kiselev<p><b>−r</b></p> 910dcb9ef1SAndrey Kiselev</td> 920dcb9ef1SAndrey Kiselev<td width="5%"></td> 930dcb9ef1SAndrey Kiselev<td width="80%"> 9487c5da6fSAndrey Kiselev 950dcb9ef1SAndrey Kiselev<p>Write data with a specified number of rows per strip; by 960dcb9ef1SAndrey Kiselevdefault the number of rows/strip is selected so that each 970dcb9ef1SAndrey Kiselevstrip is approximately 8 kilobytes.</p> 980dcb9ef1SAndrey Kiselev</td> 990dcb9ef1SAndrey Kiselev<td width="0%"> 1000dcb9ef1SAndrey Kiselev</td> 1011255f5abSAndrey Kiselev<tr valign="top" align="left"> 1020dcb9ef1SAndrey Kiselev<td width="10%"></td> 10387c5da6fSAndrey Kiselev<td width="3%"> 1041255f5abSAndrey Kiselev 1050dcb9ef1SAndrey Kiselev<p><b>−R</b></p> 1060dcb9ef1SAndrey Kiselev</td> 1070dcb9ef1SAndrey Kiselev<td width="5%"></td> 1080dcb9ef1SAndrey Kiselev<td width="80%"> 1091255f5abSAndrey Kiselev 1100dcb9ef1SAndrey Kiselev<p>Specify the percentage of the red channel to use 1110dcb9ef1SAndrey Kiselev(default 28).</p> 1120dcb9ef1SAndrey Kiselev</td> 1130dcb9ef1SAndrey Kiselev<td width="0%"> 1140dcb9ef1SAndrey Kiselev</td> 1151255f5abSAndrey Kiselev<tr valign="top" align="left"> 1160dcb9ef1SAndrey Kiselev<td width="10%"></td> 11787c5da6fSAndrey Kiselev<td width="3%"> 1181255f5abSAndrey Kiselev 1190dcb9ef1SAndrey Kiselev<p><b>−G</b></p> 1200dcb9ef1SAndrey Kiselev</td> 1210dcb9ef1SAndrey Kiselev<td width="5%"></td> 1220dcb9ef1SAndrey Kiselev<td width="80%"> 1231255f5abSAndrey Kiselev 1240dcb9ef1SAndrey Kiselev<p>Specify the percentage of the green channel to use 1250dcb9ef1SAndrey Kiselev(default 59).</p> 1260dcb9ef1SAndrey Kiselev</td> 1270dcb9ef1SAndrey Kiselev<td width="0%"> 1280dcb9ef1SAndrey Kiselev</td> 1291255f5abSAndrey Kiselev<tr valign="top" align="left"> 1300dcb9ef1SAndrey Kiselev<td width="10%"></td> 13187c5da6fSAndrey Kiselev<td width="3%"> 1321255f5abSAndrey Kiselev 1330dcb9ef1SAndrey Kiselev<p><b>−B</b></p> 1340dcb9ef1SAndrey Kiselev</td> 1350dcb9ef1SAndrey Kiselev<td width="5%"></td> 1360dcb9ef1SAndrey Kiselev<td width="80%"> 13787c5da6fSAndrey Kiselev 1380dcb9ef1SAndrey Kiselev<p>Specify the percentage of the blue channel to use 1390dcb9ef1SAndrey Kiselev(default 11).</p> 1400dcb9ef1SAndrey Kiselev</td> 1410dcb9ef1SAndrey Kiselev<td width="0%"> 1420dcb9ef1SAndrey Kiselev</td> 14387c5da6fSAndrey Kiselev</table> 1441255f5abSAndrey Kiselev<a name="SEE ALSO"></a> 1451255f5abSAndrey Kiselev<h2>SEE ALSO</h2> 1460dcb9ef1SAndrey Kiselev<!-- INDENTATION --> 1470dcb9ef1SAndrey Kiselev<table width="100%" border=0 rules="none" frame="void" 1480dcb9ef1SAndrey Kiselev cols="2" cellspacing="0" cellpadding="0"> 1490dcb9ef1SAndrey Kiselev<tr valign="top" align="left"> 1500dcb9ef1SAndrey Kiselev<td width="8%"></td> 1510dcb9ef1SAndrey Kiselev<td width="91%"> 1520dcb9ef1SAndrey Kiselev<p><b>pal2rgb</b>(1), <b>tiffinfo</b>(1), <b>tiffcp</b>(1), 1530dcb9ef1SAndrey Kiselev<b>tiffmedian</b>(1), <b>libtiff</b>(3)</p> 1540dcb9ef1SAndrey Kiselev<!-- INDENTATION --> 1550dcb9ef1SAndrey Kiselev<p>Libtiff library home page: 156*d4dd6cccSBob Friesenhahn<b>http://www.simplesystems.org/libtiff/</b></p> 1570dcb9ef1SAndrey Kiselev</td> 1580dcb9ef1SAndrey Kiselev</table> 159fd935fb2SAndrey Kiselev<hr> 160fd935fb2SAndrey Kiselev</body> 161fd935fb2SAndrey Kiselev</html> 162