ppm2tiff - create a TIFF file from PPM, PGM and PBM image files


   ppm2tiff [ options ] [ input.ppm ] output.tif


   ppm2tiff converts a file in the PPM, PGM and PBM image formats to TIFF.
   By default,  the  TIFF  image  is  created  with  data  samples  packed
   (PlanarConfiguration=1),   compressed   with   the  Packbits  algorithm
   (Compression=32773), and with each strip  no  more  than  8  kilobytes.
   These  characteristics  can be overridden, or explicitly specified with
   the options described below

   If   the   PPM    file    contains    greyscale    data,    then    the
   PhotometricInterpretation  tag is set to 1 (min-is-black), otherwise it
   is set to 2 (RGB).

   If no PPM file is specified on the command  line,  ppm2tiff  will  read
   from the standard input.


   -c     Specify  a  compression  scheme  to use when writing image data:
          none for no compression, packbits for PackBits compression (will
          be  used  by  default),  lzw for Lempel-Ziv & Welch compression,
          jpeg for baseline JPEG compression, zip for Deflate compression,
          g3 for CCITT Group 3 (T.4) compression, and g4 for CCITT Group 4
          (T.6) compression.

   -r     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.

   -R     Mark  the  resultant  image  to  have  the  specified  X  and  Y
          resolution (in dots/inch).


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

   Libtiff library home page: http://www.simplesystems.org/libtiff/

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