[vtkusers] vtkContourFilter precision with vtkPlane

[Bill Lorensen]

Looks like an aliasing problem. http://en.wikipedia.org/wiki/Aliasing

You need to increase the samples.


On Fri, Sep 21, 2012 at 4:11 AM, Henning Meyer <tutmann at gmail.com> wrote:

> Hi All,
>
> encountered a strange behaviour of vtkContourFilter. Basically the
> quality of the generated mesh dramatically changes, when the scale of
> the model is changed (with adapted dims and bounds of the
> vtkSampleFunction).
> For me, this only happens in combinations of vtkPlane or vtkBox with
> vtkImplicitBoolean.
>
> I modified this example a bit:
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/ImplicitFunctions/ImplicitSphere
>
> Please have a look a the attached sources - I'm thankful for any hint.
>
> Henning
>
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