[SciPy-User] creating a 3D surface plot from collected data

Robert Kern robert.kern@gmail....
Wed Feb 17 09:56:40 CST 2010


On Wed, Feb 17, 2010 at 08:54, URI <zallen@urologicresearchinstitute.org> wrote:

> I tried using mlab.mesh from mayavi but apparently the x y z components need to
> be 2D arrays (see
> http://code.enthought.com/projects/mayavi/docs/development/html/mayavi/auto/mlab_helper_functions.html#enthought.mayavi.mlab.mesh).
>
> I don't understand this, how can my list of the x-positions of the vertices be a
> 2D array?

It is for rectilinear grids of z=f(x,y) surfaces only.

> I did try to use mlab.plot3d (see
> http://code.enthought.com/projects/mayavi/docs/development/html/mayavi/auto/mlab_helper_functions.html#enthought.mayavi.mlab.plot3d)
> and it gave me a nice line drawing of my shape, but an actual surface would be
> much nicer.

Please see the previous posts about using the SurfaceReconstructionFilter.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
  -- Umberto Eco


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