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

       ximtoppm - convert an Xim file to a PPM image


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

       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.

       You can abbreviate any option to its shortest unique prefix.

	      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 con-
	      tains all zero (transparent) alpha values.  If you don't specify	--alphaout,  xim-
	      toppm 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 Out-
	      put 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)
	       for one way to use 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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