[vtkusers] Writing VTK filters in Python and C

[Berk Geveci]

I thought it was possible to use vtkProgrammableFilter from tcl,
python and java. If I am not wrong about this, vtkProgrammableFilter
can be used to test some functionality from python before porting
it to C++.

-Berk

>From: David Gobbi <dgobbi at irus.rri.ca>
>To: Robert Brown <robb at sophitia.tera-byte.com>
>CC: VTK users list <vtkusers at public.kitware.com>
>Subject: Re: [vtkusers] Writing VTK filters in Python and C
>Date: Fri, 15 Feb 2002 00:30:42 -0500 (EST)
>
>To add some additional clarification,
>
>1) It isn't possible to write a VTK filter in Python.  Maybe sometime
>    in the future it will be.
>
>    Well, that's not quite true... if you look into all places where you
>    can hook callbacks into VTK it probably is possible in some limited
>    cases.  But it wouldn't be easy, and I wouldn't advise it.
>
>2) Writing & wrapping your own VTK classes is a topic that is covered
>    fairly substantially in both the User's Guide and in the archives.
>    In VTK 3.x it basically amounts to adding your class to the appropriate
>    VTK subdirectory (usually 'local') and adding the class name to
>    the Makefile.in in that directory, then running 'configure'
>    (or pcmaker), then make (or nmake).  For VTK 4.x this topic was
>    recently discussed to death, and I can't tell you my method because
>    the VTK gods have declared it to be heresy ;)
>
>  - David
>
>--
>   David Gobbi, MSc                       dgobbi at irus.rri.ca
>   Advanced Imaging Research Group
>   Robarts Research Institute, University of Western Ontario
>
>On Fri, 15 Feb 2002, Prabhu Ramachandran wrote:
>
> > >>>>> "RB" == Robert Brown <robb at sophitia.tera-byte.com> writes:
> >
> >     RB> I want to write a filter to modify a dataset.  I'd like to
> >     RB> implement it in Python to see how it works, then in C if I
> >     RB> like it.  Is it possible to write a class in Python that can
> >     RB> be used in the VTK pipeline as a filter?  What's involved?
> >
> > With the latest CVS tree you can subclass another VTK class.  However,
> > you need to be a little careful.  This post from David should help.
> >
> > http://public.kitware.com/pipermail/vtkusers/2002-January/009142.html
> >
> > prabhu
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>
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