Groups > comp.graphics.apps.gnuplot > #3464

Re: Overlapping/Merge two density plot red and green scale using gnuplot

From	dale <dale@dalekelly.org>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: Overlapping/Merge two density plot red and green scale using gnuplot
Date	2016-11-16 07:41 -0500
Message-ID	<9se9n1.vm2.19.1@news.alt.net> (permalink)
References	<093d02c9-93e0-4d98-b0ab-3144692fdd0a@googlegroups.com> <9sd4sr.9c6.19.1@news.alt.net> <9sd6po.kd5.19.1@news.alt.net> <9sdhl6.l0p.19.1@news.alt.net>

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On 11/16/2016 12:51 AM, dale wrote:
> On 11/15/2016 9:45 PM, dale wrote:
>> you do need to add the secondary terms
> 
> are you doing your math in integers? rounding, clipping, etc. too?
> 
> in your blue calculation you might be diving by infinity if you don't 
> clip to 255, in eight bit calculations
> 

okay, its been almost 20 years

(R + G + B) needs clipped then rounded

-- 
dale | http://www.dalekelly.org

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Overlapping/Merge two density plot red and green scale using gnuplot Graziani Candiotto <graz13@gmail.com> - 2016-11-14 11:59 -0800
  Re: Overlapping/Merge two density plot red and green scale using gnuplot dale <dale@dalekelly.org> - 2016-11-15 21:13 -0500
    Re: Overlapping/Merge two density plot red and green scale using gnuplot dale <dale@dalekelly.org> - 2016-11-15 21:45 -0500
      Re: Overlapping/Merge two density plot red and green scale using gnuplot dale <dale@dalekelly.org> - 2016-11-16 00:51 -0500
        Re: Overlapping/Merge two density plot red and green scale using gnuplot dale <dale@dalekelly.org> - 2016-11-16 07:41 -0500
  Re: Overlapping/Merge two density plot red and green scale using gnuplot dale <dale@dalekelly.org> - 2016-11-17 21:32 -0500
    Re: Overlapping/Merge two density plot red and green scale using gnuplot dale <dale@dalekelly.org> - 2016-11-18 00:42 -0500
      Re: Overlapping/Merge two density plot red and green scale using gnuplot dale <dale@dalekelly.org> - 2016-11-18 00:46 -0500
      Re: Overlapping/Merge two density plot red and green scale using gnuplot dale <dale@dalekelly.org> - 2016-11-18 21:57 -0500

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