[Paraview] Resampling data in ParaView

[Jérôme]

Fine!
Thanks a lot for your explanations. Then I will work on that.
Do you mind if I go on this thread for eventual misunderstandings?

Jerome

2010/6/3 Utkarsh Ayachit <utkarsh.ayachit at kitware.com>:
> Jerome,
>
> The VTK class has the trick to override the extent-translator which is
> what does-what-it-does in ParaView. ParaView by default overrides the
> extent translator with vtkPVExtentTranslator which uses the original
> data exetent information for partitioning and that's what messes such
> fancy pipelines up. The filer can explicitly override ParaView's
> behavior. So to answer, no, there's nothing on ParaView side that
> needs to be added to support changing of extents it is in the
> pipeline.
>
> Utkarsh
>
> On Thu, Jun 3, 2010 at 2:24 PM, Jérôme <jerome.velut at gmail.com> wrote:
>> Hi Utkarsh,
>>
>> Thanks for your tips. I will take a look around this class. Though I have
>> a question: This is a VTK class, and I don't have problem in stand-alone
>> VTK applications. If I have to change something in VTK classes, it means
>> that I will have duplicated filters, the native VTK ones and the modified
>> of mine... Don't you think there something on ParaView-side to do?
>>
>> Thanks again and best regards,
>> Jerome
>>
>> 2010/6/3 Utkarsh Ayachit <utkarsh.ayachit at kitware.com>:
>>> Jerome,
>>>
>>> You may want to look at VTK/Hybrid/vtkImageDataLIC2D.cxx to see how it
>>> plays tricks with the extent-translator to generate images with larger
>>> extent when magnification > 1.
>>>
>>> Utkarsh
>>>
>>> On Thu, Jun 3, 2010 at 5:02 AM, Jérôme <jerome.velut at gmail.com> wrote:
>>>> Finally, I found a bug opened 6 months ago:
>>>>   http://www.paraview.org/Bug/view.php?id=10125
>>>> I added a note. I hope that it will interest some PV gurus
>>>>
>>>> Jerome
>>>>
>>>> 2010/6/2 Jérôme <jerome.velut at gmail.com>:
>>>>> Dear all,
>>>>>
>>>>> I fill very surprised that *nobody* has to resample some data inside
>>>>> ParaView. Several threads deal with enabling some VTK filters in
>>>>> ParaView that actually change the extent of the input image (just as
>>>>> vtkImageResample), but when the output extent is higher that input,
>>>>> there is a strange behaviour. Sorry for being lazy: the problem was
>>>>> described in the following threads.
>>>>>   http://www.paraview.org/pipermail/paraview/2010-May/017309.html
>>>>>   http://www.paraview.org/pipermail/paraview/2009-October/014306.html
>>>>>   http://www.paraview.org/pipermail/paraview/2009-April/011945.html
>>>>>
>>>>> Please, tell me if I am doing something wrong in the XML, if I am
>>>>> stupid, if this is a known limitation of ParaView, if I am not sending
>>>>> to the right mailing list, if [put your own proposition].
>>>>>
>>>>> Thanks for all, and best regards.
>>>>> Jerome
>>>>>
>>>>> PS: you can find the incriminated XML files here:
>>>>> http://github.com/jeromevelut/Peavip . Beware of the Spline Filter,
>>>>> another pending request has been sent.
>>>>>
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>>
>