[Paraview] Distributed source for image data

Pat Marion pat.marion at kitware.com
Sun Feb 26 09:59:11 EST 2012


I think that the example I linked to does work in parallel, each process
produces a different extent of the grid.  Did you have to do something
differently to make it work?

Pat

On Sun, Feb 26, 2012 at 8:37 AM, Atanas Atanasov <atanasoa at in.tum.de> wrote:

>  On 02/26/2012 04:16 PM, David E DeMarle wrote:
>
> Take a look at the writing parallel readers page on the wiki. It explains
> what sources and readers need to do to support parallelism.
>
> Thank you! Yes ,I found it some hours ago. Now it works correctly.
> Regards,
> A.Atanasov
>
>   On Feb 26, 2012 5:51 AM, "Atanas Atanasov" <atanasoa at in.tum.de> wrote:
>
>>  Hi,
>> producing the grid is not the problem. I want to produce it in such way
>> that the data is distributed among process-ranks. For example if i run
>> paraview with four processes and we want to have a grid with 8x8, each
>> process holds a small piece of the grid(4x4).
>> Regards,
>> Atanas Atanasov
>> On 02/25/2012 09:12 PM, Pat Marion wrote:
>>
>> Hi,
>>
>> Perhaps this python programmable source example will be helpful:
>>
>>
>> http://www.paraview.org/Wiki/ParaView/Simple_ParaView_3_Python_Filters#Producing_Image_Data_.28Source.29
>>
>> Pat
>>
>> On Sat, Feb 25, 2012 at 8:39 AM, Atanas Atanasov <atanasoa at in.tum.de>wrote:
>>
>>> Hello.
>>> i want to create a source plugin for the vtkImageData, which generates a
>>> distributed grid. The plugin now holds variables for entering the global
>>> offset, size and dimension. How should i set the extents on the different
>>> processes? Should i set the piece_id for the different pieces? At the end
>>> the data should be able to be processed by the distributed filters of
>>> paraview. Thank you for your help!
>>> Regards,
>>> A.Atanasov
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>>
>>
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