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 transparency channel values in the input image. If the input image doesn't contain a transparency channel, the alpha-file- name file contains all zero (transparent) transparency values. If you don't spec- ify --alphaout, ximtoppm does not generate a transparency file, and if the input image has a transparency channel, ximtoppm simply discards it. If you specify - as the filename, ximtoppm writes the transparency output to Stan- dard Output and discards the image. Actually, an Xim image can contain an arbitrary fourth channel -- it need not be a transparency channel. ximtoppm extracts any fourth channel it finds as described above; it doesn't matter if it is a transparency channel or not. See pamcomp(1) for one way to use the transparency output file. SEE ALSO pamcomp(1), ppm(1) AUTHOR Copyright (C) 1991 by Jef Poskanzer. DOCUMENT SOURCE This manual page was generated by the Netpbm tool 'makeman' from HTML source. The master documentation is at http://netpbm.sourceforge.net/doc/ximtoppm.html netpbm documentation April 2, 2000 Ximtoppm User Manual(0)
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