tgatoppm - convert TrueVision Targa file into a portable
pixmap
SYNOPSIS
tgatoppm [--alphaout={alpha-filename,-}] [--headerdump]
tga-filename
DESCRIPTION
Reads a TrueVision Targa file as input. Produces a
portable pixmap as output.
OPTIONS
--alphaout=alpha-filename
tgatoppm creates a PGM (portable graymap) file con
taining 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, tgatoppm does not generate an alpha
file, and if the input image has an alpha channel,
tgatoppm simply discards it.
If you specify - as the filename, tgatoppm writes
the alpha output to Standard Output and discards
the image.
See pnmcomp(1) for one way to use the alpha output
file.
--headerdump
Causes the header information to be dumped to
stderr.
All options can be abbreviated to their shortest unique
prefix. Should really be in PNM, not PPM.
SEE ALSO
ppmtotga(1), pnmcomp(1), ppm(5)
AUTHOR
Partially based on tga2rast, version 1.0, by Ian J.
MacPhedran.
Copyright (C) 1989 by Jef Poskanzer.
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