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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2020-07-29 04:29:43 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2020-07-29 04:29:43 +0000 |
| commit | 56ef5a9528e4eb818db26d7cee8733d46d6cb687 (patch) | |
| tree | 6a7445bfbf8b85d74742589ed9e4a018932b9bd4 /pamarith.html | |
| parent | 0c8ba8cfb493e2749b677ef48bb817dc4283a032 (diff) | |
| download | netpbm-mirror-56ef5a9528e4eb818db26d7cee8733d46d6cb687.tar.gz netpbm-mirror-56ef5a9528e4eb818db26d7cee8733d46d6cb687.tar.xz netpbm-mirror-56ef5a9528e4eb818db26d7cee8733d46d6cb687.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@3904 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'pamarith.html')
| -rw-r--r-- | pamarith.html | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pamarith.html b/pamarith.html index e42af51d..edefd981 100644 --- a/pamarith.html +++ b/pamarith.html @@ -35,6 +35,10 @@ and height. The arithmetic is performed on each pair of identically located tuples to generate the identically located tuple of the output. +<p>Most of what <b>pamarith</b> does is not meaningful for visual images. It + works toward Netpbm's secondary purpose of just manipulating arbitrary + matrices of numbers. + <p>For the purpose of the calculation, it assumes any PBM, PGM, or PPM input image is the equivalent PAM image of tuple type <b>BLACKANDWHITE</b>, <b>GRAYSCALE</b>, or <b>RGB</b>, respectively, |