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Ximtoppm User Manual(0)                                Ximtoppm User Manual(0)



NAME
       ximtoppm - convert an Xim file to a PPM image


SYNOPSIS
       ximtoppm

       [--alphaout={alpha-filename,-}] [ximfile]


DESCRIPTION
       This program is part of Netpbm(1).

       ximptoppm  reads  an  Xim file as input and produces a PPM image as output.  The Xim toolkit is included in the
       contrib tree of the X.V11R4 release.


OPTIONS
       You can abbreviate any option to its shortest unique prefix.



       --alphaout=alpha-filename
              ximtoppm creates a PGM file containing the alpha channel values in the input image.  If the input  image
              doesn't  contain an alpha channel, the alpha-filename file contains all zero (transparent) alpha values.
              If you don't specify --alphaout, ximtoppm does not generate an alpha file, and if the input image has an
              alpha channel, ximtoppm simply discards it.

              If  you  specify - as the filename, ximtoppm writes the alpha output to Standard Output and discards the
              image.

              Actually, an Xim image can contain an arbitrary fourth channel -- it need not be an Alpha channel.  xim-
              toppm extracts any fourth channel it finds as described above; it doesn't matter if it is an alpha chan-
              nel or not.

              See pamcomp(1)foronewaytouse the alpha output file.




SEE ALSO
       pamcomp(1), ppm(1)


AUTHOR
       Copyright (C) 1991 by Jef Poskanzer.



netpbm documentation             April 2, 2000         Ximtoppm User Manual(0)