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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2014-11-15 03:42:53 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2014-11-15 03:42:53 +0000 |
commit | 5aace0df055cf5e6f0b655fb6475d060971c4cf4 (patch) | |
tree | d42326b57ee65d8cd0f40874975af63007833928 /ximtoppm.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 'ximtoppm.html')
-rw-r--r-- | ximtoppm.html | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/ximtoppm.html b/ximtoppm.html index 36985799..3b0605e5 100644 --- a/ximtoppm.html +++ b/ximtoppm.html @@ -36,23 +36,23 @@ the X.V11R4 release. <DL COMPACT> <DT><B>--alphaout=</B><I>alpha-filename</I> -<DD><B>ximtoppm</B> creates a PGM file containing the alpha channel -values in the input image. If the input image doesn't contain an -alpha channel, the <I>alpha-filename</I> file contains all zero -(transparent) alpha values. If you don't specify <B>--alphaout</B>, -<B>ximtoppm</B> does not generate an alpha file, and if the input -image has an alpha channel, <B>ximtoppm</B> simply discards it. +<DD><B>ximtoppm</B> creates a PGM file containing the transparency channel +values in the input image. If the input image doesn't contain a +transparency channel, the <I>alpha-filename</I> file contains all zero +(transparent) transparency values. If you don't specify <B>--alphaout</B>, +<B>ximtoppm</B> does not generate a transparency file, and if the input +image has a transparency channel, <B>ximtoppm</B> simply discards it. <P>If you specify <B>-</B> as the filename, <B>ximtoppm</B> writes the -alpha output to Standard Output and discards the image. +transparency output to Standard Output and discards the image. <P>Actually, an Xim image can contain an arbitrary fourth channel -- -it need not be an Alpha channel. <B>ximtoppm</B> extracts any fourth -channel it finds as described above; it doesn't matter if it is an -alpha channel or not. +it need not be a transparency channel. <B>ximtoppm</B> extracts any fourth +channel it finds as described above; it doesn't matter if it is a +transparency channel or not. <P>See <B><A HREF="pamcomp.html">pamcomp</A></B> for one way to use -the alpha output file. +the transparency output file. </DL> |