From 36d381ff97d39623ed932bef43f3f48b18c51bf7 Mon Sep 17 00:00:00 2001 From: giraffedata Date: Sun, 8 Apr 2018 19:41:19 +0000 Subject: miscellaneous update git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@3199 9d0c8265-081b-0410-96cb-a4ca84ce46f8 --- pamlevels.html | 9 ++++----- 1 file 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 @@ Pamlevels User Manual

pamlevels

-Updated: 31 March 2018 +Updated: 08 April 2018
Table Of Contents @@ -13,7 +13,6 @@ pamlevels - effect a "levels" transformation

SYNOPSIS

pamlevels -[-direct] -from1 from1 -to1 to1 -from2 from2 @@ -46,8 +45,8 @@ of color.

The transformation preserves color integrity. -

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 +

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.

EXAMPLES

@@ -90,7 +89,7 @@ the transformation function. See DESCRIPTION. 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 pamlevels makes the output of this form. - +

SEE ALSO

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