py
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gaussian-splatting-my


			
				
					
						
						
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<title>TIFFCP</title>
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<h1 align=center>TIFFCP</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#OPTIONS">OPTIONS</a><br>
<a href="#EXAMPLES">EXAMPLES</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>

<hr>
<a name="NAME"></a>
<h2>NAME</h2>
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<p>tiffcp &minus; copy (and possibly convert) a
<small>TIFF</small> file</p>
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<a name="SYNOPSIS"></a>
<h2>SYNOPSIS</h2>
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<p><b>tiffcp</b> [ <i>options</i> ] <i>src1.tif ... srcN.tif
dst.tif</i></p>
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<a name="DESCRIPTION"></a>
<h2>DESCRIPTION</h2>
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<p><i>tiffcp</i> combines one or more files created
according to the Tag Image File Format, Revision 6.0 into a
single <small>TIFF</small> file. Because the output file may
be compressed using a different algorithm than the input
files, <i>tiffcp</i> is most often used to convert between
different compression schemes.</p>
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<p>By default, <i>tiffcp</i> will copy all the understood
tags in a <small>TIFF</small> directory of an input file to
the associated directory in the output file.</p>
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<p><i>tiffcp</i> can be used to reorganize the storage
characteristics of data in a file, but it is explicitly
intended to not alter or convert the image data content in
any way.</p>
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<a name="OPTIONS"></a>
<h2>OPTIONS</h2>
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<p><b>&minus;a</b></p>
</td>
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<p>Append to an existing output file instead of overwriting it.</p>
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</td>
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<td width="10%"></td>
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<p><b>&minus;b</b></p></td>
<td width="5%"></td>
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<p>subtract the following monochrome image from all others
processed. This can be used to remove a noise bias from a
set of images. This bias image is typically an image of
noise the camera saw with its shutter closed.</p>
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<p><b>&minus;B</b></p>
</td>
<td width="5%"></td>
<td width="80%">

<p>Force output to be written with Big-Endian byte order.
This option only has an effect when the output file is
created or overwritten and not when it is appended to.</p>
</td>
<td width="0%">
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<td width="10%"></td>
<td width="3%">

<p><b>&minus;C</b></p>
</td>
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<p>Suppress the use of &lsquo;&lsquo;strip
chopping&rsquo;&rsquo; when reading images that have a
single strip/tile of uncompressed data.</p>
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<td width="0%">
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<p><b>&minus;c</b></p>
</td>
<td width="5%"></td>
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<p>Specify the compression to use for data written to the
output file: <b>none</b> for no compression, <b>packbits</b>
for PackBits compression, <b>lzw</b> for Lempel-Ziv &amp;
Welch compression, <b>jpeg</b> for baseline JPEG
compression, <b>zip</b> for Deflate compression, <b>g3</b>
for CCITT Group 3 (T.4) compression, <b>g4</b> for CCITT
Group 4 (T.6) compression, or <b>sgilog</b> for SGILOG compression.
By default <i>tiffcp</i> will
compress data according to the value of the
<i>Compression</i> tag found in the source file.</p>
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<p>The <small>CCITT</small> Group 3 and Group 4 compression
algorithms can only be used with bilevel data.</p>
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<p>Group 3 compression can be specified together with
several T.4-specific options: <b>1d</b> for 1-dimensional
encoding, <b>2d</b> for 2-dimensional encoding, and
<b>fill</b> to force each encoded scanline to be zero-filled
so that the terminating EOL code lies on a byte boundary.
Group 3-specific options are specified by appending a
&lsquo;&lsquo;:&rsquo;&rsquo;-separated list to the
&lsquo;&lsquo;g3&rsquo;&rsquo; option; e.g. <b>&minus;c
g3:2d:fill</b> to get 2D-encoded data with byte-aligned EOL
codes.</p>
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<p><small>LZW</small> compression can be specified together
with a <i>predictor</i> value. A predictor value of 2 causes
each scanline of the output image to undergo horizontal
differencing before it is encoded; a value of 1 forces each
scanline to be encoded without differencing. LZW-specific
options are specified by appending a
&lsquo;&lsquo;:&rsquo;&rsquo;-separated list to the
&lsquo;&lsquo;lzw&rsquo;&rsquo; option; e.g. <b>&minus;c
lzw:2</b> for <small>LZW</small> compression with horizontal
differencing.</p>
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<p><b>&minus;f</b></p>
</td>
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<p>Specify the bit fill order to use in writing output
data. By default, <i>tiffcp</i> will create a new file with
the same fill order as the original. Specifying <b>&minus;f
lsb2msb</b> will force data to be written with the FillOrder
tag set to <small>LSB2MSB,</small> while <b>&minus;f
msb2lsb</b> will force data to be written with the FillOrder
tag set to <small>MSB2LSB.</small></p>
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<p><b>&minus;i</b></p>
</td>
<td width="5%"></td>
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<p>Ignore non-fatal read errors and continue processing of
the input file.</p>
</td>
<td width="0%">
</td>
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<td width="10%"></td>
<td width="3%">

<p><b>&minus;l</b></p>
</td>
<td width="5%"></td>
<td width="80%">

<p>Specify the length of a tile (in pixels). <i>tiffcp</i>
attempts to set the tile dimensions so that no more than 8
kilobytes of data appear in a tile.</p>
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<td width="0%">
</td>
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<td width="10%"></td>
<td width="3%">

<p><b>&minus;L</b></p>
</td>
<td width="5%"></td>
<td width="80%">

<p>Force output to be written with Little-Endian byte
order. This option only has an effect when the output file
is created or overwritten and not when it is appended
to.</p>
</td>
<td width="0%">
</td>
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<td width="10%"></td>
<td width="3%">

<p><b>&minus;M</b></p>
</td>
<td width="5%"></td>
<td width="80%">

<p>Suppress the use of memory-mapped files when reading
images.</p>
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<td width="0%">
</td>
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<td width="10%"></td>
<td width="3%">

<p><b>&minus;o</b></p>
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<td width="5%"></td>
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<p>Set initial directory offset.</p>
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<td width="0%">
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<td width="10%"></td>
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<p><b>&minus;p</b></p>
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<td width="5%"></td>
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<p>Specify the planar configuration to use in writing image
data that has one 8-bit sample per pixel. By default,
<i>tiffcp</i> will create a new file with the same planar
configuration as the original. Specifying <b>&minus;p
contig</b> will force data to be written with multi-sample
data packed together, while <b>&minus;p separate</b> will
force samples to be written in separate planes.</p>
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<p><b>&minus;r</b></p>
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<td width="5%"></td>
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<p>Specify the number of rows (scanlines) in each strip of
data written to the output file. By default (or when value
<b>0</b> is specified), <i>tiffcp</i> attempts to set the
rows/strip that no more than 8 kilobytes of data appear in a
strip. If you specify special value <b>&minus;1</b> it will
results in infinite number of the rows per strip. The entire
image will be the one strip in that case.</p>
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<p><b>&minus;s</b></p>
</td>
<td width="5%"></td>
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<p>Force the output file to be written with data organized
in strips (rather than tiles).</p>
</td>
<td width="0%">
</td>
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<td width="10%"></td>
<td width="3%">

<p><b>&minus;t</b></p>
</td>
<td width="5%"></td>
<td width="80%">

<p>Force the output file to be written with data organized
in tiles (rather than strips). options can be used to force
the resultant image to be written as strips or tiles of
data, respectively.</p>
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<td width="0%">
</td>
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<p><b>&minus;w</b></p>
</td>
<td width="5%"></td>
<td width="80%">

<p>Specify the width of a tile (in pixels). <i>tiffcp</i>
attempts to set the tile dimensions so that no more than 8
kilobytes of data appear in a tile. <i>tiffcp</i> attempts
to set the tile dimensions so that no more than 8 kilobytes
of data appear in a tile.</p>
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<td width="0%">
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<p><b>&minus;x</b></p>
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<td width="5%"></td>
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<p>Force the output file to be written with PAGENUMBER value
in sequence.</p>
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<td width="0%">
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<td width="10%"></td>
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<p><b>&minus;8</b></p>
</td>
<td width="5%"></td>
<td width="80%">

<p>Write BigTIFF instead of classic TIFF format.</p>
</td>
<td width="0%">
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<p><b>&minus;,=</b><i>character</i></p></td>
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<p>substitute <i>character</i> for &lsquo;,&rsquo; in
parsing image directory indices in files. This is necessary
if filenames contain commas. Note that <b>&minus;,=</b> with
whitespace immediately following will disable the special
meaning of the &lsquo;,&rsquo; entirely. See examples.</p>
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<a name="EXAMPLES"></a>
<h2>EXAMPLES</h2>
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<p>The following concatenates two files and writes the
result using <small>LZW</small> encoding:</p></td>
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<pre>tiffcp &minus;c lzw a.tif b.tif result.tif
</pre>
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<p>To convert a G3 1d-encoded <small>TIFF</small> to a
single strip of G4-encoded data the following might be
used:</p></td>
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<pre>tiffcp &minus;c g4 &minus;r 10000 g3.tif g4.tif
</pre>
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<p>(1000 is just a number that is larger than the number of
rows in the source file.)</p>
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<p>To extract a selected set of images from a multi-image
TIFF file, the file name may be immediately followed by a
&lsquo;,&rsquo; separated list of image directory indices.
The first image is always in directory 0. Thus, to copy the
1st and 3rd images of image file
&lsquo;&lsquo;album.tif&rsquo;&rsquo; to
&lsquo;&lsquo;result.tif&rsquo;&rsquo;:</p></td>
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<pre>tiffcp album.tif,0,2 result.tif
</pre>
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<p>A trailing comma denotes remaining images in sequence.
The following command will copy all image with except the
first one:</p></td>
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<pre>tiffcp album.tif,1, result.tif
</pre>
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<p>Given file &lsquo;&lsquo;CCD.tif&rsquo;&rsquo; whose
first image is a noise bias followed by images which include
that bias, subtract the noise from all those images
following it (while decompressing) with the
command:</p></td>
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<pre>tiffcp &minus;c none &minus;b CCD.tif CCD.tif,1, result.tif
</pre>
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<p>If the file above were named
&lsquo;&lsquo;CCD,X.tif&rsquo;&rsquo;, the <b>&minus;,=</b>
option would be required to correctly parse this filename
with image numbers, as follows:</p></td>
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<pre>tiffcp &minus;c none &minus;,=% &minus;b CCD,X.tif CCD,X%1%.tif result.tif

</pre>
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<a name="SEE ALSO"></a>
<h2>SEE ALSO</h2>
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<p><b>pal2rgb</b>(1), <b>tiffinfo</b>(1), <b>tiffcmp</b>(1),
<b>tiffmedian</b>(1), <b>tiffsplit</b>(1),
<b>libtiff</b>(3TIFF)</p>
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<p>Libtiff library home page:
<b>http://www.simplesystems.org/libtiff/</b></p>
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