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From: sfeam <sfeam@users.sourceforge.net>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Back side of surfaces - linestyle
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Date: Tue, 21 Jun 2011 09:53:15 -0700
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macko wrote:

> 
> Using v4.4.3, I am trying to control colors of two sides of a surface...
> but I can only set one color. Here is an example:
> 
> ---
> set terminal pdf size 6,5 enhanced
> 
> set style line 1 lc rgbcolor "blue"
> set style line 2 lc rgbcolor "black"
> set style line 3 lc rgbcolor "red"
> 
> set hidden3d offset 1
> show hidden3d #says "Back side of surfaces has linestyle offset of 1"
> 
> splot sin(x*y) w l linestyle 1
> ---
> 
> The "linestyle 1" part selects a color of *both* sides; the "offset 1"
> does not seem to work. What am I missing?

I think you want "offset 0".
In other words, "increment the color by 0 before drawing to other side".


> 
> Thanks,
> 
> Maciej