[Paraview] [EXTERNAL] Re: temporal threshold

timcfagan . timcfagan at gmail.com
Tue Jan 27 03:35:27 EST 2015


Thanks Ken, I made a csv file from data of the first time step, imported
it, and used the Table to Points filter to create the static topology. The
Resample with Dataset filter and Temporal Statistics filter then worked
fine.

On Tue, Jan 27, 2015 at 7:08 AM, Moreland, Kenneth <kmorel at sandia.gov>
wrote:

>   There is no straightforward way of getting around changing topology.
>
>  One so-so way to solve the problem is to build a static topology and use
> the Resample With Dataset filter to apply the field values in the changing
> topology to the static topology. You should then be able to run the
> temporal statistics filter on the static topology.
>
>  -Ken
>
>   From: "timcfagan ." <timcfagan at gmail.com>
> Date: Monday, January 26, 2015 at 12:57 PM
> To: Walter Scott <wascott at sandia.gov>
> Cc: David Thompson <david.thompson at kitware.com>, Kenneth Moreland <
> kmorel at sandia.gov>, David E DeMarle <dave.demarle at kitware.com>, "
> paraview at paraview.org" <paraview at paraview.org>
> Subject: Re: [Paraview] [EXTERNAL] Re: temporal threshold
>
>   Thanks, I see from Ken's comment that my problem is a changing
> topology. Some of the nodes in the grid will become active over time...
> I've tried sectioning away the regions that become active, but this didn't
> work... Is there a better way to get around topology change for this filter?
>
> On Tue, Jan 27, 2015 at 5:22 AM, Scott, W Alan <wascott at sandia.gov> wrote:
>
>> I stand corrected.  Thanks for the feedback.
>>
>> Alan
>>
>> -----Original Message-----
>> From: David Thompson [mailto:david.thompson at kitware.com]
>> Sent: Monday, January 26, 2015 11:15 AM
>> To: Scott, W Alan
>> Cc: Moreland, Kenneth; David E DeMarle; timcfagan .;
>> paraview at paraview.org
>> Subject: Re: [Paraview] [EXTERNAL] Re: temporal threshold
>>
>>  > You may be right.  I am just dredging up old memories from a few
>> years ago.  David Thompson should remember – he helped write the filter.
>> David?
>>
>> I am sure that at one point it worked in parallel, with the caveat that
>> samples of points or point-data will over-represent values on process
>> boundaries (because ParaView does not have knowledge of how many processes
>> hold any given process-boundary point).
>>
>> Err, and as I see Ken just mentioned, I only worked on the statistics
>> filters that Temporal Statistics uses under the hood.
>>
>>         David
>>
>
>
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