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Re: Re: Fills in StackGraphics ?

  • To: mathgroup at
  • Subject: [mg43533] Re: [mg43303] Re: Fills in StackGraphics ?
  • From: Omega Consulting <info at>
  • Date: Fri, 19 Sep 2003 03:41:56 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

I believe this is because the first FilledPlot creates an empty polygon 
(the top and bottom surfaces are the same). StackGraphics then  balks when 
it tries to triangulate that polygon.

At 03:54 AM 8/24/2003, AES/newspost wrote:
>In article <bi7ncs$p6j$1 at>,
>  Omega Consulting <info at> wrote:
>>>Trying to stack a Table of Filled Plots, as in:
>>>and it basically works, except I'm unable to get any Fill except what I
>>>guess is the Mathematica default (kind of a horrible purple).
>>What you're seeing is the 3D lighting mechanism which colors a surface
>>according to it's orientation. To turn that off and see the colors of the
>>surfaces use Lighting->False.
>>Show[ StackGraphics[ slices], Lighting->False]
>Thanks!  That works -- but any idea why I also get an accompanying error
>    StackGraphics::"bdpts": "Error in non-convex triangulation."
>Exact code I'm using is
>     data = Table[{i, t Exp[-(i - t)^2/4]}, {t, 0, 10}, {i, 0, 10, 0.2}];
>     plots = Map[FilledListPlot[#, DisplayFunction -> Identity,
>         Fills -> White] &,  data];
>Show[StackGraphics[plots], Lighting -> False];

Omega Consulting
"The final answer to your Mathematica needs"

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