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  11 <h1 align=center
>TIFFSV
</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=
"#NOTE">NOTE
</a><br> 
  17 <a href=
"#BUGS">BUGS
</a><br> 
  18 <a href=
"#SEE ALSO">SEE ALSO
</a><br> 
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  29 <p>tiffsv 
− save an image from the framebuffer in a
 
  30 <small>TIFF
</small> file (Silicon Graphics version)
</p> 
  33 <a name=
"SYNOPSIS"></a> 
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  41 <p><b>tiffsv
</b> [ 
<i>options
</i> ] 
<i>output.tif
</i> [
 
  42 <i>x1 x2 y1 y2
</i> ]
</p> 
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  53 <p><i>tiffsv
</i> saves all or part of the framebuffer in a
 
  54 file using the Tag Image File Format, Revision 
6.0. By
 
  55 default, the image is saved with data samples packed
 
  56 (
<i>PlanarConfiguration
</i>=
1), compressed with the
 
  57 Lempel-Ziv 
& Welch algorithm (
<i>Compression
</i>=
5), and
 
  58 with each strip no more than 
8 kilobytes. These
 
  59 characteristics can be overridden, or explicitly specified
 
  60 with the options described below.
</p> 
  63 <a name=
"OPTIONS"></a> 
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  72 <p><b>−b
</b></p> 
  77 <p>Save the image as a greyscale image as if it were
 
  78 processed by 
<i>tiff2bw
</i>(
1). This option is included for
 
  79 compatibility with the standard 
<i>scrsave
</i>(
6D)
 
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  88 <p><b>−c
</b></p> 
  93 <p>Specify the compression to use for data written to the
 
  94 output file: 
<b>none
</b> for no compression, 
<b>packbits
</b> 
  95 for PackBits compression, 
<b>jpeg
</b> for baseline JPEG
 
  96 compression, 
<b>zip
</b> for Deflate compression, and
 
  97 <b>lzw
</b> for Lempel-Ziv 
& Welch compression
 
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 107 <td width=
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 109 <p><small>LZW
</small> compression can be specified together
 
 110 with a 
<i>predictor
</i> value. A predictor value of 
2 causes
 
 111 each scanline of the output image to undergo horizontal
 
 112 differencing before it is encoded; a value of 
1 forces each
 
 113 scanline to be encoded without differencing. LZW-specific
 
 114 options are specified by appending a
 
 115 ‘‘:
’’-separated list to the
 
 116 ‘‘lzw
’’ option; e.g. 
<b>−c
 
 117 lzw:
2</b> for 
<small>LZW
</small> compression with horizontal
 
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 128 <p><b>−p
</b></p> 
 133 <p>Specify the planar configuration to use in writing image
 
 134 data. By default, 
<i>tiffsv
</i> will create a new file with
 
 135 the data samples packed contiguously. Specifying 
<b>−p
 
 136 contig
</b> will force data to be written with multi-sample
 
 137 data packed together, while 
<b>−p separate
</b> will
 
 138 force samples to be written in separate planes.
</p> 
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 146 <p><b>−r
</b></p> 
 151 <p>Specify the number of rows (scanlines) in each strip of
 
 152 data written to the output file. By default, 
<i>tiffsv
</i> 
 153 attempts to set the rows/strip that no more than 
8 kilobytes
 
 154 of data appear in a strip.
</p> 
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 167 <p>Except for the use of 
<small>TIFF,
</small> this program
 
 168 is equivalent to the standard 
<i>scrsave
</i> program. This
 
 169 means, for example, that you can use it in conjunction with
 
 170 the standard 
<i>icut
</i> program simply by creating a link
 
 171 called 
<i>scrsave
</i>, or by creating a shell script called
 
 172 <i>scrsave
</i> that invokes 
<i>tiffgt
</i> with the
 
 173 appropriate options.
</p> 
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 184 <p>If data are saved compressed and in separate planes, then
 
 185 the rows in each strip is silently set to one to avoid
 
 186 limitations in the 
<b>libtiff
</b>(
3TIFF) library.
</p> 
 189 <a name=
"SEE ALSO"></a> 
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 197 <p><b>scrsave
</b>(
6D) 
<b>pal2rgb
</b>(
1), 
<b>tiffdump
</b>(
1),
 
 198 <b>tiffgt
</b>(
1), 
<b>tiffinfo
</b>(
1), 
<b>tiffcp
</b>(
1),
 
 199 <b>tiffmedian
</b>(
1), 
<b>libtiff
</b>(
3TIFF)
</p> 
 201 <p>Libtiff library home page:
 
 202 <b>http://www.remotesensing.org/libtiff/
</b></p>