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Re: ListContourPlot3D - only working with arrays?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg107957] Re: ListContourPlot3D - only working with arrays?
  • From: dh <dh at metrohm.com>
  • Date: Thu, 4 Mar 2010 05:25:26 -0500 (EST)
  • References: <hmlf4g$k04$1@smc.vnet.net>

Hi,
you do not have enough data for a contour plot.

Try the following with n=40 and n=4:
n = 40;
data = Flatten[Table[{x, y, z, x^2 + y^2 + z^2}, {x, 0, n}, {y, 0, n}, 
{z, 0, n}],2];
ListContourPlot3D[data]
Daniel


On 03.03.2010 11:54, pernille wrote:
> Hi
>
> I have data in the form {{x1,y1,z1,f1},{x2,y2,z2,f2},...} and want to make a 3D contourplot.
>
> But why does this not work ?? :
>
> ListContourPlot3D[{{1, 1, 1, 3}, {1, 1, 2, 4}, {1, 1, 3, 5}, {1, 2, 1,
>      4}, {1, 2, 2, 5}, {1, 2, 3, 6}, {1, 3, 1, 5}, {1, 3, 2, 6}, {1, 3,
>      3, 7}, {2, 1, 1, 4}, {2, 1, 2, 5}, {2, 1, 3, 6}, {2, 2, 1, 5}, {2,
>      2, 2, 6}, {2, 2, 3, 7}, {2, 3, 1, 6}, {2, 3, 2, 7}, {2, 3, 3,
>     8}, {3, 1, 1, 5}, {3, 1, 2, 6}, {3, 1, 3, 7}, {3, 2, 1, 6}, {3, 2,
>     2, 7}, {3, 2, 3, 8}, {3, 3, 1, 7}, {3, 3, 2, 8}, {3, 3, 3, 9}},
>   Contours ->  {2, 4, 6, 8}]
>
>
>
> when this does ?? :
>
> ListContourPlot3D[
>   Table[x + y + z, {x, 1, 3, 1}, {y, 1, 3, 1}, {z, 1, 3, 1}],
>   Contours ->  {2, 4, 6, 8}]
>
> It should be the same plot - only in the first case you get to define x,y and z coordinates yourself?
>
> I'm very thankful for any help!
>


-- 

Daniel Huber
Metrohm Ltd.
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CH-9100 Herisau
Tel. +41 71 353 8585, Fax +41 71 353 8907
E-Mail:<mailto:dh at metrohm.com>
Internet:<http://www.metrohm.com>



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