| | 1 | <!-- Creator : groff version 1.18.1 --> |
| | 2 | <!-- CreationDate: Mon Mar 13 18:03:12 2006 --> |
| | 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>THUMBNAIL</title> |
| | 8 | </head> |
| | 9 | <body> |
| | 10 | |
| | 11 | <h1 align=center>THUMBNAIL</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="#BUGS">BUGS</a><br> |
| | 17 | <a href="#SEE ALSO">SEE ALSO</a><br> |
| | 18 | |
| | 19 | <hr> |
| | 20 | <a name="NAME"></a> |
| | 21 | <h2>NAME</h2> |
| | 22 | <!-- INDENTATION --> |
| | 23 | <table width="100%" border=0 rules="none" frame="void" |
| | 24 | cols="2" cellspacing="0" cellpadding="0"> |
| | 25 | <tr valign="top" align="left"> |
| | 26 | <td width="8%"></td> |
| | 27 | <td width="91%"> |
| | 28 | <p>thumbnail − create a <small>TIFF</small> file with |
| | 29 | thumbnail images</p> |
| | 30 | </td> |
| | 31 | </table> |
| | 32 | <a name="SYNOPSIS"></a> |
| | 33 | <h2>SYNOPSIS</h2> |
| | 34 | <!-- INDENTATION --> |
| | 35 | <table width="100%" border=0 rules="none" frame="void" |
| | 36 | cols="2" cellspacing="0" cellpadding="0"> |
| | 37 | <tr valign="top" align="left"> |
| | 38 | <td width="8%"></td> |
| | 39 | <td width="91%"> |
| | 40 | <p><b>thumbnail</b> [ <i>options</i> ] <i>input.tif |
| | 41 | output.tif</i></p> |
| | 42 | </td> |
| | 43 | </table> |
| | 44 | <a name="DESCRIPTION"></a> |
| | 45 | <h2>DESCRIPTION</h2> |
| | 46 | <!-- INDENTATION --> |
| | 47 | <table width="100%" border=0 rules="none" frame="void" |
| | 48 | cols="2" cellspacing="0" cellpadding="0"> |
| | 49 | <tr valign="top" align="left"> |
| | 50 | <td width="8%"></td> |
| | 51 | <td width="91%"> |
| | 52 | <p><i>thumbnail</i> is a program written to show how one |
| | 53 | might use the SubIFD tag (#330) to store thumbnail images. |
| | 54 | <i>thumbnail</i> copies a <small>TIFF</small> Class F |
| | 55 | facsimile file to the output file and for each image an |
| | 56 | 8-bit greyscale <i>thumbnail sketch</i>. The output file |
| | 57 | contains the thumbnail image with the associated |
| | 58 | full-resolution page linked below with the SubIFD tag.</p> |
| | 59 | <!-- INDENTATION --> |
| | 60 | <p>By default, thumbnail images are 216 pixels wide by 274 |
| | 61 | pixels high. Pixels are calculated by sampling and filtering |
| | 62 | the input image with each pixel value passed through a |
| | 63 | contrast curve.</p> |
| | 64 | </td> |
| | 65 | </table> |
| | 66 | <a name="OPTIONS"></a> |
| | 67 | <h2>OPTIONS</h2> |
| | 68 | <!-- TABS --> |
| | 69 | <table width="100%" border=0 rules="none" frame="void" |
| | 70 | cols="5" cellspacing="0" cellpadding="0"> |
| | 71 | <tr valign="top" align="left"> |
| | 72 | <td width="10%"></td> |
| | 73 | <td width="3%"> |
| | 74 | |
| | 75 | <p><b>−w</b></p> |
| | 76 | </td> |
| | 77 | <td width="5%"></td> |
| | 78 | <td width="80%"> |
| | 79 | |
| | 80 | <p>Specify the width of thumbnail images in pixels.</p> |
| | 81 | </td> |
| | 82 | <td width="0%"> |
| | 83 | </td> |
| | 84 | <tr valign="top" align="left"> |
| | 85 | <td width="10%"></td> |
| | 86 | <td width="3%"> |
| | 87 | |
| | 88 | <p><b>−h</b></p> |
| | 89 | </td> |
| | 90 | <td width="5%"></td> |
| | 91 | <td width="80%"> |
| | 92 | |
| | 93 | <p>Specify the height of thumbnail images in pixels.</p> |
| | 94 | </td> |
| | 95 | <td width="0%"> |
| | 96 | </td> |
| | 97 | <tr valign="top" align="left"> |
| | 98 | <td width="10%"></td> |
| | 99 | <td width="3%"> |
| | 100 | |
| | 101 | <p><b>−c</b></p> |
| | 102 | </td> |
| | 103 | <td width="5%"></td> |
| | 104 | <td width="80%"> |
| | 105 | |
| | 106 | <p>Specify a contrast curve to apply in generating the |
| | 107 | thumbnail images. By default pixels values are passed |
| | 108 | through a linear contrast curve that simply maps the pixel |
| | 109 | value ranges. Alternative curves are: <b>exp50</b> for a 50% |
| | 110 | exponential curve, <b>exp60</b> for a 60% exponential curve, |
| | 111 | <b>exp70</b> for a 70% exponential curve, <b>exp80</b> for a |
| | 112 | 80% exponential curve, <b>exp90</b> for a 90% exponential |
| | 113 | curve, <b>exp</b> for a pure exponential curve, |
| | 114 | <b>linear</b> for a linear curve.</p> |
| | 115 | </td> |
| | 116 | <td width="0%"> |
| | 117 | </td> |
| | 118 | </table> |
| | 119 | <a name="BUGS"></a> |
| | 120 | <h2>BUGS</h2> |
| | 121 | <!-- INDENTATION --> |
| | 122 | <table width="100%" border=0 rules="none" frame="void" |
| | 123 | cols="2" cellspacing="0" cellpadding="0"> |
| | 124 | <tr valign="top" align="left"> |
| | 125 | <td width="8%"></td> |
| | 126 | <td width="91%"> |
| | 127 | <p>There are no options to control the format of the saved |
| | 128 | thumbnail images.</p> |
| | 129 | </td> |
| | 130 | </table> |
| | 131 | <a name="SEE ALSO"></a> |
| | 132 | <h2>SEE ALSO</h2> |
| | 133 | <!-- INDENTATION --> |
| | 134 | <table width="100%" border=0 rules="none" frame="void" |
| | 135 | cols="2" cellspacing="0" cellpadding="0"> |
| | 136 | <tr valign="top" align="left"> |
| | 137 | <td width="8%"></td> |
| | 138 | <td width="91%"> |
| | 139 | <p><b>tiffdump</b>(1), <b>tiffgt</b>(1), <b>tiffinfo</b>(1), |
| | 140 | <b>libtiff</b>(3)</p> |
| | 141 | <!-- INDENTATION --> |
| | 142 | <p>Libtiff library home page: |
| | 143 | <b>http://www.remotesensing.org/libtiff/</b></p> |
| | 144 | </td> |
| | 145 | </table> |
| | 146 | <hr> |
| | 147 | </body> |
| | 148 | </html> |
projects / wxWidgets.git / blame_incremental