[vtkusers] How to and random noise to the point locations in vtkPolyData?

[David Doria]

On Tue, Jan 11, 2011 at 5:23 PM, agerlach <agerlach at gmail.com> wrote:

>
> Hello,
>
> I am developing an application that compares a 3D CAD generated model with
> that of a 3D scan of the same object. To test my algorithms I would like to
> load the CAD model as a vtkPolyData, deep copy that to a new vtkPolyData
> and
> then add random noise to the point locations in the second vtkPolyData. I
> know how to create the random noise, but how do I modify the point
> locations
> in the vtkPolyData? I just want to add the noise to the x,y,z locations of
> the point locations of each point in the mesh. Thanks.
>

Take a look at this:
https://github.com/daviddoria/vtkNoiseFilter

<https://github.com/daviddoria/vtkNoiseFilter>It should do what you want
directly, or if not, at least give you a good start.

David
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