[Paraview] Down sample data?

[John Haase]

Andy,

I found that the "plot over line" filter will allow me to do sampling.
However, that has lead me into a second problem.

So I feed 2 "plot over line" filters into a "programmable" filter (to take
the difference between the two datasets). I then integrate the difference
over space using the "integrate variable" filter. Then to extract all the
time step values, I try to use the "plot selection over time" filter;
however, Paraview crashes when I try to apply the "plot selection over time"
filter.

Any advice?

Regards,

John R. Haase
jhaase1 at nd.edu

On Sat, Mar 31, 2018 at 2:24 PM, Andy Bauer <andy.bauer at kitware.com> wrote:

> Hi John,
>
> It depends on what type of grid you have. For image data, rectilinear grid
> or structured grid the extract subset filter is probably the best (for
> other grid types it will be grayed out since it's not applicable to those
> grid types). Otherwise, you can use resample with dataset.
>
> Note that both of these will work nicely with point data but for cell data
> you may want to use the cell data to point data filter first.
>
> On Sat, Mar 31, 2018 at 9:14 AM, John Haase <jhaase1 at nd.edu> wrote:
>
>> Hello all,
>>
>> I'm trying to down select my data so I can do a grid convergence study.
>> How would I go about doing this?
>>
>> I found an old post (https://public.kitware.com/pi
>> permail/paraview/2010-November/019453.html) that recomended doing an
>> "extract subset" filter; however that filter is grayed out.
>>
>> Any advice would be appreciated
>>
>> Regards,
>>
>> John
>>
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