[Paraview] extract voriticy and follow it in time
Ufuk Utku Turuncoglu (BE)
u.utku.turuncoglu at be.itu.edu.tr
Tue Apr 24 04:26:39 EDT 2018
Thanks Andy. I could try to implement a Programmable filter because even
if i able to use Threshold filter it is hard to track multiple region
produced by Threshold filter separately.
--ufuk
On 23.04.2018 09:54, Andy Bauer wrote:
> Hi Ufuk,
>
> The threshold filter operates on scalar/single component arrays only.
> Also, underneath the covers it operates on cell data exclusively so if
> you request thresholding on point data it will do a point data to cell
> data operation as well.
>
> I'm not aware of any filters in PV that would allow you to track a
> thresholded quantity. Unfortunately I can't think of any moderately
> easy way to do this in PV either.
>
> Best,
> Andy
>
> On Fri, Apr 20, 2018 at 4:40 PM, Ufuk Turuncoglu
> <u.utku.turuncoglu at be.itu.edu.tr
> <mailto:u.utku.turuncoglu at be.itu.edu.tr>> wrote:
>
> I could have vorticty as a new variable by using PythonCalculator.
> now, i need to follow points extracted from vorticity field in
> time and create poly line. so, I tried particle tracer and
> particle path bu no luck yet!
>
> Regards,
>
> --ufuk
>
> ----- Original Message -----
> From: "Ufuk Utku Turuncoglu (BE)" <u.utku.turuncoglu at be.itu.edu.tr
> <mailto:u.utku.turuncoglu at be.itu.edu.tr>>
> To: "paraview" <paraview at paraview.org <mailto:paraview at paraview.org>>
> Sent: Friday, April 20, 2018 3:09:35 PM
> Subject: [Paraview] extract voriticy and follow it in time
>
> Hi,
>
> I would like to use Threshold filter for Vorticity field
> calculated by
> ComputeDreivatives but in the variables list i could not see
> Vorticity
> field. So, is it possible to do it with any other way such as
> programmable filter etc. If i extract it from the whole data, then, i
> would like to follow it to create polyline that represent path of the
> selected region. So, is there any simple way to do that?
>
> Best Regards,
>
> --ufuk
>
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