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Annotated edit history of tgatoppm(1) version 2, including all changes. View license author blame.
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1 perry 1 tgatoppm
2 !!!tgatoppm
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 OPTIONS
7 SEE ALSO
8 AUTHOR
9 ----
10 !!NAME
11
12
2 perry 13 tgatoppm - convert !TrueVision Targa file into a portable pixmap
1 perry 14 !!SYNOPSIS
15
16
17 __tgatoppm__
18 [[__--alphaout=__{''alpha-filename'',__-__}]
19 [[__--headerdump__] ''tga-filename''
20 !!DESCRIPTION
21
22
2 perry 23 Reads a !TrueVision Targa file as input. Produces a portable
1 perry 24 pixmap as output.
25 !!OPTIONS
26
27
28 __--alphaout=__''alpha-filename''
29
30
31 __tgatoppm__ creates a PGM (portable graymap) file
32 containing the alpha channel values in the input image. If
33 the input image doesn't contain an alpha channel, the
34 ''alpha-filename'' file contains all zero (transparent)
35 alpha values. If you don't specify __--alphaout__,
36 __tgatoppm__ does not generate an alpha file, and if the
37 input image has an alpha channel, __tgatoppm__ simply
38 discards it.
39
40
41 If you specify __-__ as the filename, __tgatoppm__
42 writes the alpha output to Standard Output and discards the
43 image.
44
45
46 See pnmcomp(1) for one way to use the alpha output
47 file.
48
49
50 __--headerdump__
51
52
53 Causes the header information to be dumped to
54 stderr.
55
56
57 All options can be abbreviated to their shortest unique
58 prefix. Should really be in PNM, not PPM.
59 !!SEE ALSO
60
61
62 ppmtotga(1), pnmcomp(1),
63 ppm(5)
64 !!AUTHOR
65
66
67 Partially based on tga2rast, version 1.0, by Ian J.
2 perry 68 !MacPhedran.
1 perry 69
70
71 Copyright (C) 1989 by Jef Poskanzer.
72 ----
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