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7 <title>PPM2TIFF
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11 <h1 align=center
>PPM2TIFF
</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>
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27 <p>ppm2tiff
− create a
<small>TIFF
</small> file from
28 <small>PPM, PGM
</small> and
<small>PBM
</small> image
32 <a name=
"SYNOPSIS"></a>
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40 <p><b>ppm2tiff
</b> [
<i>options
</i> ] [
<i>input.ppm
</i> ]
44 <a name=
"DESCRIPTION"></a>
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52 <p><i>ppm2tiff
</i> converts a file in the
<small>PPM,
53 PGM
</small> and
<small>PBM
</small> image formats to
54 <small>TIFF.
</small> By default, the
<small>TIFF
</small>
55 image is created with data samples packed
56 (
<i>PlanarConfiguration
</i>=
1), compressed with the Packbits
57 algorithm (
<i>Compression
</i>=
32773), and with each strip no
58 more than
8 kilobytes. These characteristics can be
59 overridden, or explicitly specified with the options
62 <p>If the
<small>PPM
</small> file contains greyscale data,
63 then the
<i>PhotometricInterpretation
</i> tag is set to
1
64 (min-is-black), otherwise it is set to
2 (RGB).
</p>
66 <p>If no
<small>PPM
</small> file is specified on the command
67 line,
<i>ppm2tiff
</i> will read from the standard input.
</p>
70 <a name=
"OPTIONS"></a>
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79 <p><b>−c
</b></p>
84 <p>Specify a compression scheme to use when writing image
85 data:
<b>none
</b> for no compression,
<b>packbits
</b> for
86 PackBits compression (will be used by default),
<b>lzw
</b>
87 for Lempel-Ziv
& Welch compression,
<b>jpeg
</b> for
88 baseline JPEG compression,
<b>zip
</b> for Deflate
89 compression,
<b>g3
</b> for CCITT Group
3 (T
.4) compression,
90 and
<b>g4
</b> for CCITT Group
4 (T
.6) compression.
</p>
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98 <p><b>−r
</b></p>
103 <p>Write data with a specified number of rows per strip; by
104 default the number of rows/strip is selected so that each
105 strip is approximately
8 kilobytes.
</p>
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110 <td width=
"10%"></td>
113 <p><b>−R
</b></p>
118 <p>Mark the resultant image to have the specified X and Y
119 resolution (in dots/inch).
</p>
124 <a name=
"SEE ALSO"></a>
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132 <p><b>tiffinfo
</b>(
1),
<b>tiffcp
</b>(
1),
133 <b>tiffmedian
</b>(
1),
<b>libtiff
</b>(
3)
</p>
135 <p>Libtiff library home page:
136 <b>http://www.remotesensing.org/libtiff/
</b></p>