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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2014-11-15 03:42:53 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2014-11-15 03:42:53 +0000 |
| commit | 5aace0df055cf5e6f0b655fb6475d060971c4cf4 (patch) | |
| tree | d42326b57ee65d8cd0f40874975af63007833928 /pamtotga.html | |
| parent | 736ac3d44de892065871db1c0167421d8643323a (diff) | |
| download | netpbm-mirror-5aace0df055cf5e6f0b655fb6475d060971c4cf4.tar.gz netpbm-mirror-5aace0df055cf5e6f0b655fb6475d060971c4cf4.tar.xz netpbm-mirror-5aace0df055cf5e6f0b655fb6475d060971c4cf4.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@2313 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'pamtotga.html')
| -rw-r--r-- | pamtotga.html | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/pamtotga.html b/pamtotga.html index e319e006..74deeca9 100644 --- a/pamtotga.html +++ b/pamtotga.html @@ -32,9 +32,9 @@ value. produces a TrueVision Targa file as output. The PAM image may be either a BLACKANDWHITE, GRAYSCALE, RGB, or RGB_ALPHA image. -<p>To create a TGA image with transparency (i.e. with an alpha mask), +<p>To create a TGA image with transparency (i.e. with a transparency mask), use RGB_ALPHA PAM input. Some Netpbm programs that generate images with -alpha masks generate them in that format. For another way to create +transparency masks generate them in that format. For another way to create the proper input stream, see <a href="pamstack.html"><b>pamstack</b></a>. <p>It is unclear that anything except <b>pamtotga</b> knows about TGAs @@ -102,11 +102,11 @@ Standard Input, <b>pamtotga</b> omits the image ID from the TGA header. That was always a misnomer, though, because a PPM class program would not be able to tell the difference between PGM and PPM input (it would all look like PPM), and thus could not choose the output Targa image type based on the type -of the input. Netpbm 10.6 also added the ability to handle an alpha channel, -so it became a PAM class program. +of the input. Netpbm 10.6 also added the ability to handle a transparency +channel, so it became a PAM class program. <p>In Netpbm 10.15 (April 2003), the program became the first in the -Netpbm package to recognize an alpha channel in a PAM. It recognized +Netpbm package to recognize a transparency channel in a PAM. It recognized tuple type "RGBA". But when this kind of PAM image was later added to the PAM specification, it was specified with tuple type "RGB_ALPHA". So in Netpbm 10-26 (January 2005), <b>pamtotga</b> |