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


       ximtoppm - convert an Xim file to a PPM image



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

       You can abbreviate any option to its shortest unique prefix.


       This program is part of Netpbm(1).

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


              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 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 pamcomp(1)foronewaytouse the alpha output file.


       pamcomp(1), ppm(1)


       Copyright (C) 1991 by Jef Poskanzer.

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

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