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PPM2TIFF(1)							   PPM2TIFF(1)

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

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

DESCRIPTION
       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 (Planar‐
       Configuration=1),  compressed  with  the	 Packbits  algorithm (Compres‐
       sion=32773), and with each strip no more than 8 kilobytes. These	 char‐
       acteristics can be overridden, or explicitly specified with the options
       described below

       If the PPM file contains greyscale data, then the  PhotometricInterpre‐
       tation 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.

OPTIONS
       -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 resolu‐
	      tion (in dots/inch).

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

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

libtiff				 March 1, 2006			   PPM2TIFF(1)

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