RAW2TIFF(1)                                                        RAW2TIFF(1)


       raw2tiff - create a TIFF file from a raw data


       raw2tiff [ options ] input.raw output.tif


       raw2tiff  converts a raw byte sequence into TIFF.  By default, the TIFF
       image is created with data samples packed (PlanarConfiguration=1), com-
       pressed  with the PackBits algorithm (Compression=32773), and with each
       strip no more than 8 kilobytes.  These characteristics can  overridden,
       or explicitly specified with the options described below.


       -H <number>
              size  of  input  image file header in bytes (0 by default). This
              amount of data just will be skipped from the start of file while

       -w <number>
              width of input image in pixels (can be guessed, see GUESSING THE
              IMAGE GEOMETRY below).

       -l <number>
              length of input image in lines(can be guessed, see GUESSING  THE
              IMAGE GEOMETRY below).

       -b <number>
              number of bands in input image (1 by default).

       -d data_type
              type of samples in input image, where data_type may be:
              byte       8-bit unsigned integer (default),
              short      16-bit unsigned integer,
              long       32-bit unsigned integer,
              sbyte      8-bit signed integer,
              sshort     16-bit signed integer,
              slong      32-bit signed integer,
              float      32-bit IEEE floating point,
              double     64-bit IEEE floating point,

       -i config
              type  of  samples  interleaving in input image, where config may
              pixel      pixel interleaved data (default),
              band       band interleaved data.

       -p photo
              photometric interpretation (color space)  of  the  input  image,
              where photo may be:
              miniswhite white color represented with 0 value,
              minisblack black color represented with 0 value (default),
              rgb        image has RGB color model,
              cmyk       image has CMYK (separated) color model,
              ycbcr           image has YCbCr color model,
              cielab     image has CIE L*a*b color model,
              icclab     image has ICC L*a*b color model,
              itulab     image has ITU L*a*b color model,

       -s     swap bytes fetched from the input file.

       -L     input data has LSB2MSB bit order (default).

       -M     input data has MSB2LSB bit order.

       -c     Specify  a compression scheme to use when writing image data: -c
              none for no compression, -c packbits for the  PackBits  compres-
              sion algorithm (the default), -c jpeg for the baseline JPEG com-
              pression algorithm, -c zip for  the  Deflate  compression  algo-
              rithm, and -c lzw for Lempel-Ziv & Welch.

       -r <number>
              Write data with a specified number of rows per strip; by default
              the number of rows/strip is  selected  so  that  each  strip  is
              approximately 8 kilobytes.


       raw2tiff  can guess image width and height in case one or both of these
       parameters are not specified. If you omit one of those parameters,  the
       complementary  one  will  be  calculated based on the file size (taking
       into account header size, number of bands and data type). If  you  omit
       both  parameters,  the  statistical approach will be used. Utility will
       compute correlation coefficient between two lines at the  image  center
       using  several appropriate line sizes and the highest absolute value of
       the coefficient will indicate the right line  size.  That  is  why  you
       should be cautious with the very large images, because guessing process
       may take a while (depending on your system perfomance). Of course,  the
       utility  can’t guess the header size, number of bands and data type, so
       it should be specified manually. If you don’t know anything about  your
       image, just try with the several combinations of those options.

       There  is  no magic, it is just a mathematical statistics, so it can be
       wrong in some cases. But for most ordinary images guessing method  will
       work fine.


       pal2rgb(1), tiffinfo(1), tiffcp(1), tiffmedian(1), libtiff(3)

                              15 September, 2002                   RAW2TIFF(1)

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