[Paraview] Resampling to a uniform grid

[Andy Bauer]

The resample to data set filter does work in parallel but the result will
only be on process 0. Each process sends its values to process 0 so this is
not an algorithm that will scale well.

Regards,
Andy


On Thu, Jul 10, 2014 at 11:31 AM, Moreland, Kenneth <kmorel at sandia.gov>
wrote:

>   Note that this will only work when running in serial. I'm sure that in
> parallel this will not sample correctly. That would require communication
> to resolve uneven distributions in the unstructured grid. I don't think
> anyone has written something like that yet.
>
>  -Ken
>
>   From: David E DeMarle <dave.demarle at kitware.com>
> Date: Thursday, July 10, 2014 7:17 AM
> To: "Kares, Robert J. (LANL)" <rjk at lanl.gov>
> Cc: "paraview at paraview.org" <paraview at paraview.org>
> Subject: [EXTERNAL] Re: [Paraview] Resampling to a uniform grid
>
>   You could start with Sources->Wavelet and reposition it as needed, but
> I'ld use a python programmable source. Attached is a state file to
> demonstrate.
>
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
>
> On Wed, Jul 9, 2014 at 6:06 PM, Kares, Robert J <rjk at lanl.gov> wrote:
>
>>  Folks,
>>
>>
>>
>> I would like to resample a scalar field defined on an unstructured
>>
>> grid in 3D onto a uniform rectangular 3D grid with specified logical and
>>
>> physical dimensions.
>>
>>
>>
>> It seems from the ParaView filters documentation that this can
>>
>> somehow be done using the Resample With Dataset filter. It appears
>>
>> to me that the procedure involves generating a uniform rectangular
>>
>> grid in some fashion and then feeding it to the Resample With Dataset
>>
>> filter along with the unstructured grid containing the scalar to be
>>
>> resampled.
>>
>>
>>
>> However, I am confused about just how to make the rectangular grid of
>>
>> specified size in the first place and about how to use it with the
>> Resample With Dataset
>>
>> filter.
>>
>>
>>
>> Could someone explain to me how to do this ?
>>
>>
>>
>> Thanks,
>>
>>
>>
>>                                        --Bob
>>
>>
>>
>>
>>
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