[vtkusers] python and vtkRungeKutta45

[Berk Geveci]

Hi Felipe,

Unfortunately, the only way to subclass vtkFunctionSet is to do it in C++.
VTK's wrappers do not allow for virtual functions to be overwritten in
Python.

Best,
-berk


On Wed, Apr 23, 2014 at 10:28 AM, Felipe Bordeu
<felipe.bordeu at ec-nantes.fr>wrote:

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> Hello,
>
> I'm trying to use the vtkRungeKutta45, to generate a streamline in
> python for a implicit data.
> The problems is that my field is not a vtkdataset. So i can't use the
> streamline filter. So I need to generate the stream line manually from
> the vtkRungeKutta class.
>
> In all the examples/test (in python in the vtk repository), the
> vtkRungeKutta is used inside a vtkStreamLine.
>
> (Now the specific question)
>
> How do I define a custom vtkFunctionSet in python and how do a put in
> inside the vtkRungeKutta45 to be able to call
> vtkRungeKutta45::ComputeNextStep(...).
>
> Thanks
>
>
>
> - --
> Felipe Bordeu Weldt
> Ingénieur de Recherche
> - -------------------------------------
> Tél. : 33 (0)2 40 37 16 57
> Fax. : 33 (0)2 40 74 74 06
> Felipe.Bordeu at ec-nantes.fr
> Institut GeM - UMR CNRS 6183
> École Centrale Nantes
> 1 Rue de La Noë, 44321 Nantes, FRANCE
> - -------------------------------------
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