ximtoppm


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

DESCRIPTION
       Reads an Xim file as input.  Produces a portable pixmap as output.  The
       Xim toolkit is included in the contrib tree of the X.V11R4 release.

OPTIONS
       --alphaout=alpha-filename
              ximtoppm creates a PGM (portable graymap)  file  containing  the
              alpha  channel  values  in  the input image.  If the input image
              doesn't contain an alpha channel, the alpha-filename  file  con-
              tains 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 out-
              put to Standard Output and discards the image.

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

              See pnmcomp(1) for one way to use the alpha output file.


       All options can be abbreviated to their shortest unique prefix.


SEE ALSO
       pnmcomp(1), ppm(5)

AUTHOR
       Copyright (C) 1991 by Jef Poskanzer.



                                 April 2, 2000                     ximtoppm(1)
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