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1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2<html>
3<head>
4<meta name="generator" content=
5"HTML Tidy for Solaris (vers 12 April 2005), see www.w3.org">
6<title>TIFF Tools Overview</title>
7</head>
8<body bgcolor="white">
9<h1><font face="Arial, Helvetica, Sans"><img src="images/quad.jpg"
10width="144" height="108" align="left" border="1" hspace="6"> TIFF
11Tools Overview</font></h1>
12<p>This software distribution comes with a small collection of
13programs for converting non-TIFF format images to TIFF and for
14manipulating and interogating the contents of TIFF images. Several
15of these tools are useful in their own right. Many of them however
16are more intended to serve as programming examples for using the
17TIFF library.</p>
18<h3>Device-dependent Programs</h3>
19There are two device-dependent programs that serve as simple
20examples for writing programs to display and save TIFF images.
21<table border cellpadding="3">
22<tr>
23<td valign="top" width="10%">
24<tt>tiffgt&nbsp;&nbsp;&nbsp;&nbsp;</tt></td>
25<td>Display the contents of one or more TIFF images using OpenGL.
26The software makes extensive use of the <tt>TIFFRGBAImage</tt>
27facilities described elsewhere.</td>
28</tr>
29<tr>
30<td valign="top" width="10%"><tt>tiffsv</tt></td>
31<td>A program to save all or part of a screen dump on a Silicon
32Graphics system. As for <tt>tiffgt</tt> this code, while written to
33use the IRIS GL, can be easily tailored to other devices.</td>
34</tr>
35</table>
36<h3>Device-independent Programs</h3>
37The remaining programs should be device-independent:
38<table border cellpadding="3">
39<tr>
40<td valign="top" width="10%"><tt>bmp2tiff</tt></td>
41<td>Convert BMP images to TIFF</td>
42</tr>
43<tr>
44<td valign="top" width="10%"><tt>fax2ps</tt></td>
45<td>Convert a Group 3- or Group 4- compressed TIFF to PostScript
46that is significantly more compressed than is generated by
47<tt>tiff2ps</tt> (unless <tt>tiff2ps</tt> writes PS Level II)</td>
48</tr>
49<tr>
50<td valign="top" width="10%"><tt>fax2tiff</tt></td>
51<td>Convert raw Group 3 or Group 4 facsimile data to TIFF</td>
52</tr>
53<tr>
54<td valign="top" width="10%"><tt>gif2tiff</tt></td>
55<td>A quick hack that converts GIF 87a format images to TIFF</td>
56</tr>
57<tr>
58<td valign="top" width="10%"><tt>pal2rgb</tt></td>
59<td>Convert a Palette-style image to a full color RGB image by
60applying the colormap</td>
61</tr>
62<tr>
63<td valign="top" width="10%"><tt>ppm2tiff</tt></td>
64<td>A quick hack that converts PPM format images to TIFF</td>
65</tr>
66<tr>
67<td valign="top" width="10%"><tt>ras2tiff</tt></td>
68<td>A quick hack that converts Sun rasterfile format images to TIFF
69-- it's less than complete</td>
70</tr>
71<tr>
72<td valign="top" width="10%"><tt>raw2tiff</tt></td>
73<td>Create a TIFF file from raw data</td>
74</tr>
75<tr>
76<td valign="top" width="10%"><tt>rgb2ycbcr</tt></td>
77<td>Convert an RGB, grayscale, or bilevel TIFF image to a YCbCr
78TIFF image; it's mainly provided for testing</td>
79</tr>
80<tr>
81<td valign="top" width="10%"><tt>sgi2tiff</tt></td>
82<td>A program to convert SGI image files to TIFF. This program is
83only useful on SGI machines as it uses <tt>-limage</tt>.</td>
84</tr>
85<tr>
86<td valign="top" width="10%"><tt>thumbnail</tt></td>
87<td>Copy a bilevel TIFF to one that includes 8-bit greyscale
88"thumbnail images" for each page; it is provided as an example of
89how one might use the <tt>SubIFD</tt> tag (and the library support
90for it)</td>
91</tr>
92<tr>
93<td valign="top" width="10%"><tt>tiff2bw</tt></td>
94<td>A simple program to convert a color image to grayscale</td>
95</tr>
96<tr>
97<td valign="top" width="10%"><tt>tiff2pdf</tt></td>
98<td>Convert TIFF images to PDF</td>
99</tr>
100<tr>
101<td valign="top" width="10%"><tt>tiff2ps</tt></td>
102<td>Convert TIFF images to PostScript</td>
103</tr>
104<tr>
105<td valign="top" width="10%"><tt>tiff2rgba</tt></td>
106<td>Convert a TIFF image to RGBA color space</td>
107</tr>
108<tr>
109<td valign="top" width="10%"><tt>tiffcmp</tt></td>
110<td>Compare the contents of two TIFF files (it does not check all
111the directory information, but does check all the data)</td>
112</tr>
113<tr>
114<td valign="top" width="10%"><tt>tiffcp</tt></td>
115<td>Copy, concatenate, and convert TIFF images (e.g. switching from
116Compression=5 to Compression=1)</td>
117</tr>
118<tr>
119<td valign="top" width="10%"><tt>tiffdither</tt></td>
120<td>Dither a b&amp;w image into a bilevel image (suitable for use
121in creating fax files)</td>
122</tr>
123<tr>
124<td valign="top" width="10%"><tt>tiffdump</tt></td>
125<td>Display the verbatim contents of the TIFF directory in a file
126(it's very useful for debugging bogus files that you may get from
127someone that claims they support TIFF)</td>
128</tr>
129<tr>
130<td valign="top" width="10%"><tt>tiffinfo</tt></td>
131<td>Display information about one or more TIFF files.</td>
132</tr>
133<tr>
134<td valign="top" width="10%"><tt>tiffmedian</tt></td>
135<td>A version of Paul Heckbert's median cut program that reads an
136RGB TIFF image, and creates a TIFF palette file as a result; it's
137useful for converting full-color RGB images to 8-bit color for your
138friends that have cheapo 8-bit framebuffers.</td>
139</tr>
140<tr>
141<td valign="top" width="10%"><tt>tiffset</tt></td>
142<td>Set a field in a TIFF header</td>
143</tr>
144<tr>
145<td valign="top" width="10%"><tt>tiffsplit</tt></td>
146<td>Create one or more single-image files from a (possibly)
147multi-image file</td>
148</tr>
149</table>
150<p>Check out the manual pages for details about the above
151programs.</p>
152<hr>
153Last updated: $Date: 2006/01/03 02:16:07 $
154</body>
155</html>
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