[vtkusers] structurating a set of unstructured points

[David Doria]

On Thu, Oct 7, 2010 at 5:06 AM, Luca Penasa <luca.penasa at email.it> wrote:

> hi everybody,
>        i have a set of point as unstructured grid. these points are laying
> on
> a plane (eg a plane with normal [1,0,0]) into the 3d space. i need to
> transform this point set to an image (maybe i want a numpy matrix). I
> see there are some functions of splattering (like vtkFastSplattering or
> others) based on IDW or gaussian kernels, does anybody have some sample
> code or could help me in this problem? I think that these algorithms
> give a 3d image as output? isn't it? how could i extract a numpy
> two-dimensional matrix from that?
>
>
> hope the problem is well exposed.
> thanks!
>
>
I think this should do what you're looking for:
http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/QuantizePolyDataPoints

David
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