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<title>RAW2TIFF</title>
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<h1 align=center>RAW2TIFF</h1>
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<a href="#NAME">NAME</a><br>
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<a href="#SYNOPSIS">SYNOPSIS</a><br>
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<a href="#DESCRIPTION">DESCRIPTION</a><br>
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<a href="#OPTIONS">OPTIONS</a><br>
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<a href="#GUESSING THE IMAGE GEOMETRY">GUESSING THE IMAGE GEOMETRY</a><br>
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<a href="#SEE ALSO">SEE ALSO</a><br>
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<p>raw2tiff − create a <small>TIFF</small> file from a
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<a name="SYNOPSIS"></a>
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<p><b>raw2tiff</b> [ <i>options</i> ] <i>input.raw
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<a name="DESCRIPTION"></a>
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cols="2" cellspacing="0" cellpadding="0">
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<p><i>raw2tiff</i> converts a raw byte sequence into
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<small>TIFF.</small> By default, the <small>TIFF</small>
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image is created with data samples packed
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(<i>PlanarConfiguration</i>=1), compressed with the PackBits
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algorithm (<i>Compression</i>=32773), and with each strip no
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more than 8 kilobytes. These characteristics can overridden,
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or explicitly specified with the options described
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<a name="OPTIONS"></a>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<p><b>−H</b> <i>number</i></p></td>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<p>size of input image file header in bytes (0 by default).
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This amount of data just will be skipped from the start of
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file while reading.</p>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<p><b>−w</b> <i>number</i></p></td>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<p>width of input image in pixels (can be guessed, see
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<b><small>GUESSING THE IMAGE GEOMETRY</small></b>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<p><b>−l</b> <i>number</i></p></td>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="19%"></td>
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<p>length of input image in lines (can be guessed, see
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<b><small>GUESSING THE IMAGE GEOMETRY</small></b>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<p><b>−b</b> <i>number</i></p></td>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="19%"></td>
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<p>number of bands in input image (1 by default).</p>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<p><b>−d</b> <i>data_type</i></p></td>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="19%"></td>
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<p>type of samples in input image, where <i>data_type</i>
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cols="3" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="19%"></td>
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<p>8-bit unsigned integer (default),</p>
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<td width="19%"></td>
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<p>16-bit unsigned integer,</p>
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<td width="19%"></td>
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<p>32-bit unsigned integer,</p>
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<td width="19%"></td>
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<p>8-bit signed integer,</p>
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<td width="19%"></td>
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<p>16-bit signed integer,</p>
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<td width="19%"></td>
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<p>32-bit signed integer,</p>
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<td width="19%"></td>
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<p>32-bit IEEE floating point,</p>
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<td width="19%"></td>
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<p>64-bit IEEE floating point.</p>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<p><b>−i</b> <i>config</i></p></td>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="19%"></td>
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<p>type of samples interleaving in input image, where
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<i>config</i> may be:</p></td>
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cols="3" cellspacing="0" cellpadding="0">
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<td width="19%"></td>
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<p>pixel interleaved data (default),</p>
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<td width="19%"></td>
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<p>band interleaved data.</p>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<p><b>−p</b> <i>photo</i></p></td>
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cols="2" cellspacing="0" cellpadding="0">
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<p>photometric interpretation (color space) of the input
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image, where <i>photo</i> may be:</p></td>
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cols="3" cellspacing="0" cellpadding="0">
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<td width="19%"></td>
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<p><b>miniswhite</b></p>
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<p>white color represented with 0 value,</p>
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<td width="19%"></td>
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<p><b>minisblack</b></p>
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<p>black color represented with 0 value (default),</p>
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<td width="19%"></td>
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<p>image has RGB color model,</p>
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<td width="19%"></td>
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<p>image has CMYK (separated) color model,</p>
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<td width="19%"></td>
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<p>image has YCbCr color model,</p>
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<td width="19%"></td>
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<p>image has CIE L*a*b color model,</p>
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<td width="19%"></td>
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<p>image has ICC L*a*b color model,</p>
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<td width="19%"></td>
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<p>image has ITU L*a*b color model.</p>
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<td width="10%"></td>
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<p><b>−s</b></p>
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<p>swap bytes fetched from the input file.</p>
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<td width="10%"></td>
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<p><b>−L</b></p>
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<p>input data has LSB2MSB bit order (default).</p>
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<td width="10%"></td>
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<p><b>−M</b></p>
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<p>input data has MSB2LSB bit order.</p>
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<td width="10%"></td>
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<p><b>−c</b></p>
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<p>Specify a compression scheme to use when writing image
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data: <b>−c none</b> for no compression, <b>−c
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packbits</b> for the PackBits compression algorithm (the
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default), <b>−c jpeg</b> for the baseline JPEG
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compression algorithm, <b>−c zip</b> for the Deflate
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compression algorithm, and <b>−c lzw</b> for
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Lempel-Ziv & Welch.</p>
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<p><b>−r</b> <i>number</i></p></td>
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<p>Write data with a specified number of rows per strip; by
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default the number of rows/strip is selected so that each
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strip is approximately 8 kilobytes.</p>
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<a name="GUESSING THE IMAGE GEOMETRY"></a>
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<h2>GUESSING THE IMAGE GEOMETRY</h2>
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<p><i>raw2tiff</i> can guess image width and height in case
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one or both of these parameters are not specified. If you
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omit one of those parameters, the complementary one will be
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calculated based on the file size (taking into account
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header size, number of bands and data type). If you omit
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both parameters, the statistical approach will be used.
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Utility will compute correlation coefficient between two
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lines at the image center using several appropriate line
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sizes and the highest absolute value of the coefficient will
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indicate the right line size. That is why you should be
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cautious with the very large images, because guessing
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process may take a while (depending on your system
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performance). Of course, the utility can’t guess the
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header size, number of bands and data type, so it should be
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specified manually. If you don’t know anything about
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your image, just try with the several combinations of those
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<p>There is no magic, it is just a mathematical statistics,
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so it can be wrong in some cases. But for most ordinary
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images guessing method will work fine.</p>
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<a name="SEE ALSO"></a>
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<p><b>pal2rgb</b>(1), <b>tiffcp</b>(1),
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<b>tiffmedian</b>(1), <b>libtiff</b>(3)</p>
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<p>Libtiff library home page:
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<b>http://www.remotesensing.org/libtiff/</b></p>
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