projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 8414a40c | 1 | <!-- Creator : groff version 1.18.1 --> |
| 80ed523f | 2 | <!-- CreationDate: Sat Feb 24 18:37:19 2007 --> |
| 8414a40c VZ |
3 | <html> |
| 4 | <head> | |
| 5 | <meta name="generator" content="groff -Thtml, see www.gnu.org"> | |
| 6 | <meta name="Content-Style" content="text/css"> | |
| 7 | <title>TIFF2BW</title> | |
| 8 | </head> | |
| 9 | <body> | |
| 10 | ||
| 11 | <h1 align=center>TIFF2BW</h1> | |
| 12 | <a href="#NAME">NAME</a><br> | |
| 13 | <a href="#SYNOPSIS">SYNOPSIS</a><br> | |
| 14 | <a href="#DESCRIPTION">DESCRIPTION</a><br> | |
| 15 | <a href="#OPTIONS">OPTIONS</a><br> | |
| 16 | <a href="#SEE ALSO">SEE ALSO</a><br> | |
| 17 | ||
| 18 | <hr> | |
| 19 | <a name="NAME"></a> | |
| 20 | <h2>NAME</h2> | |
| 21 | <!-- INDENTATION --> | |
| 22 | <table width="100%" border=0 rules="none" frame="void" | |
| 23 | cols="2" cellspacing="0" cellpadding="0"> | |
| 24 | <tr valign="top" align="left"> | |
| 25 | <td width="8%"></td> | |
| 26 | <td width="91%"> | |
| 27 | <p>tiff2bw − convert a color <small>TIFF</small> image | |
| 28 | to greyscale</p> | |
| 29 | </td> | |
| 30 | </table> | |
| 31 | <a name="SYNOPSIS"></a> | |
| 32 | <h2>SYNOPSIS</h2> | |
| 33 | <!-- INDENTATION --> | |
| 34 | <table width="100%" border=0 rules="none" frame="void" | |
| 35 | cols="2" cellspacing="0" cellpadding="0"> | |
| 36 | <tr valign="top" align="left"> | |
| 37 | <td width="8%"></td> | |
| 38 | <td width="91%"> | |
| 80ed523f | 39 | <p><b>tiff2bw</b> [ <i>options</i> ] <i>input.tif |
| 8414a40c VZ |
40 | output.tif</i></p> |
| 41 | </td> | |
| 42 | </table> | |
| 43 | <a name="DESCRIPTION"></a> | |
| 44 | <h2>DESCRIPTION</h2> | |
| 45 | <!-- INDENTATION --> | |
| 46 | <table width="100%" border=0 rules="none" frame="void" | |
| 47 | cols="2" cellspacing="0" cellpadding="0"> | |
| 48 | <tr valign="top" align="left"> | |
| 49 | <td width="8%"></td> | |
| 50 | <td width="91%"> | |
| 51 | <p><i>Tiff2bw</i> converts an <small>RGB</small> or Palette | |
| 52 | color <small>TIFF</small> image to a greyscale image by | |
| 53 | combining percentages of the red, green, and blue channels. | |
| 54 | By default, output samples are created by taking 28% of the | |
| 55 | red channel, 59% of the green channel, and 11% of the blue | |
| 56 | channel. To alter these percentages, the <b>−R</b>, | |
| 57 | <b>−G</b>, and <b>−B</b> options may be | |
| 58 | used.</p> | |
| 59 | </td> | |
| 60 | </table> | |
| 61 | <a name="OPTIONS"></a> | |
| 62 | <h2>OPTIONS</h2> | |
| 63 | <!-- TABS --> | |
| 64 | <table width="100%" border=0 rules="none" frame="void" | |
| 65 | cols="5" cellspacing="0" cellpadding="0"> | |
| 66 | <tr valign="top" align="left"> | |
| 67 | <td width="10%"></td> | |
| 68 | <td width="3%"> | |
| 69 | ||
| 70 | <p><b>−c</b></p> | |
| 71 | </td> | |
| 72 | <td width="5%"></td> | |
| 73 | <td width="80%"> | |
| 74 | ||
| 75 | <p>Specify a compression scheme to use when writing image | |
| 80ed523f VZ |
76 | data: <b>−c none</b> for no compression, <b>−c |
| 77 | packbits</b> for the PackBits compression algorithm, | |
| 78 | <b>−c zip</b> for the Deflate compression algorithm, | |
| 79 | <b>−c g3</b> for the CCITT Group 3 compression | |
| 80 | algorithm, <b>−c g4</b> for the CCITT Group 4 | |
| 81 | compression algorithm, and <b>−c lzw</b> for | |
| 82 | Lempel-Ziv & Welch (the default).</p> | |
| 8414a40c VZ |
83 | </td> |
| 84 | <td width="0%"> | |
| 85 | </td> | |
| 86 | <tr valign="top" align="left"> | |
| 87 | <td width="10%"></td> | |
| 88 | <td width="3%"> | |
| 89 | ||
| 90 | <p><b>−r</b></p> | |
| 91 | </td> | |
| 92 | <td width="5%"></td> | |
| 93 | <td width="80%"> | |
| 94 | ||
| 95 | <p>Write data with a specified number of rows per strip; by | |
| 96 | default the number of rows/strip is selected so that each | |
| 97 | strip is approximately 8 kilobytes.</p> | |
| 98 | </td> | |
| 99 | <td width="0%"> | |
| 100 | </td> | |
| 101 | <tr valign="top" align="left"> | |
| 102 | <td width="10%"></td> | |
| 103 | <td width="3%"> | |
| 104 | ||
| 105 | <p><b>−R</b></p> | |
| 106 | </td> | |
| 107 | <td width="5%"></td> | |
| 108 | <td width="80%"> | |
| 109 | ||
| 110 | <p>Specify the percentage of the red channel to use | |
| 111 | (default 28).</p> | |
| 112 | </td> | |
| 113 | <td width="0%"> | |
| 114 | </td> | |
| 115 | <tr valign="top" align="left"> | |
| 116 | <td width="10%"></td> | |
| 117 | <td width="3%"> | |
| 118 | ||
| 119 | <p><b>−G</b></p> | |
| 120 | </td> | |
| 121 | <td width="5%"></td> | |
| 122 | <td width="80%"> | |
| 123 | ||
| 124 | <p>Specify the percentage of the green channel to use | |
| 125 | (default 59).</p> | |
| 126 | </td> | |
| 127 | <td width="0%"> | |
| 128 | </td> | |
| 129 | <tr valign="top" align="left"> | |
| 130 | <td width="10%"></td> | |
| 131 | <td width="3%"> | |
| 132 | ||
| 133 | <p><b>−B</b></p> | |
| 134 | </td> | |
| 135 | <td width="5%"></td> | |
| 136 | <td width="80%"> | |
| 137 | ||
| 138 | <p>Specify the percentage of the blue channel to use | |
| 139 | (default 11).</p> | |
| 140 | </td> | |
| 141 | <td width="0%"> | |
| 142 | </td> | |
| 143 | </table> | |
| 144 | <a name="SEE ALSO"></a> | |
| 145 | <h2>SEE ALSO</h2> | |
| 146 | <!-- INDENTATION --> | |
| 147 | <table width="100%" border=0 rules="none" frame="void" | |
| 148 | cols="2" cellspacing="0" cellpadding="0"> | |
| 149 | <tr valign="top" align="left"> | |
| 150 | <td width="8%"></td> | |
| 151 | <td width="91%"> | |
| 152 | <p><b>pal2rgb</b>(1), <b>tiffinfo</b>(1), <b>tiffcp</b>(1), | |
| 153 | <b>tiffmedian</b>(1), <b>libtiff</b>(3)</p> | |
| 154 | <!-- INDENTATION --> | |
| 155 | <p>Libtiff library home page: | |
| 156 | <b>http://www.remotesensing.org/libtiff/</b></p> | |
| 157 | </td> | |
| 158 | </table> | |
| 159 | <hr> | |
| 160 | </body> | |
| 161 | </html> |