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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2018-04-08 19:41:19 +0000 |
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| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2018-04-08 19:41:19 +0000 |
| commit | 36d381ff97d39623ed932bef43f3f48b18c51bf7 (patch) | |
| tree | 9ef1460ab0f91dd1db5e27e5c4c491889ef5ffc5 /pamlevels.html | |
| parent | cee435f0c8994877757a4cdc9f9d66f333c062b1 (diff) | |
| download | netpbm-mirror-36d381ff97d39623ed932bef43f3f48b18c51bf7.tar.gz netpbm-mirror-36d381ff97d39623ed932bef43f3f48b18c51bf7.tar.xz netpbm-mirror-36d381ff97d39623ed932bef43f3f48b18c51bf7.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@3199 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'pamlevels.html')
| -rw-r--r-- | pamlevels.html | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/pamlevels.html b/pamlevels.html index 8d6f0a6e..43783c97 100644 --- a/pamlevels.html +++ b/pamlevels.html @@ -2,7 +2,7 @@ <HTML><HEAD><TITLE>Pamlevels User Manual</TITLE> </HEAD><BODY> <H1>pamlevels</H1> -Updated: 31 March 2018 +Updated: 08 April 2018 <BR> <A HREF="#index">Table Of Contents</A> @@ -13,7 +13,6 @@ pamlevels - effect a "levels" transformation <H2 id="synopsis">SYNOPSIS</H2> <B>pamlevels</B> -[<b>-direct</b>] <b>-from1</b> <I>from1</I> <b>-to1</b> <I>to1</I> <b>-from2</b> <I>from2</I> @@ -46,8 +45,8 @@ of <i>color</i>. <p>The transformation preserves <A HREF="http://www.c-f-systems.com/ColorIntegrity.html">color integrity</A>. -<p>When the transformation is linear (i.e. uses two mappings) and preseves zero -(i.e. maps black to black), it corresponds to multiplication of light +<p>When the transformation is linear (i.e. uses two mappings) and preserves +zero (i.e. maps black to black), it corresponds to multiplication of light intensity by a constant. <H2 id="examples">EXAMPLES</H2> @@ -90,7 +89,7 @@ the transformation function. See <a href="#description">DESCRIPTION</a>. variation on PPM where the samples are proportional to light intensity, rather than brightness (gamma-adjusted) as in true PPM. The input must be of this form and the <b>pamlevels</b> makes the output of this form. - + </dl> <H2 id="seealso">SEE ALSO</H2> |