On Mon, Mar 14, 2011 at 9:05 AM, herbie13 <g.h.herb...@dur.ac.uk> wrote:
>
> Hello,
>
> I basically have a Chi-Squared distribution that is dependent on 3
> variables.
> eg. X2(x, y, z)
>
> What I would like to do is be able to plot the chi-squared + 1 surface in
> 3-dimensions.
> eg. I would like to have the three axes as x, y and z. and then have a
> surface (its going to look like a closed blob effectively) that maps the
> chi-squared plus one surface.
>
> I have no idea how to do this though. Is it possible? any ideas?
>
I think matplotlib is relatively limited in its 3D capabilities. I would
suggest trying Mayavi2 with a contour3d[1] or a volume[2,3]. Look here[4]
for many examples.
[1]
http://code.enthought.com/projects/mayavi/docs/development/html/mayavi/auto/mlab_helper_functions.html#enthought.mayavi.mlab.contour3d
[2]
http://code.enthought.com/projects/mayavi/docs/development/html/mayavi/auto/example_chemistry.html#example-chemistry
[3]
http://code.enthought.com/projects/mayavi/docs/development/html/mayavi/auto/example_protein.html#example-protein
[4]
http://code.enthought.com/projects/mayavi/docs/development/html/mayavi/auto/examples.html
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