[Paraview] display boundaries of 2D geometry

Wed Jun 15 10:20:17 EDT 2016

Hi Samuel,

thank you! So there is a way to do what I want provided that the mesh data are converted similar to the files you sent me. Good to know.
It would probably require some coding from my side to implement that solution for my workflow, i.e. teach Salomé and/or Elmer to convert the mesh into that multi-file format. Since I am short in time at the moment, I will live with the threshold filter solution Cory proposed.

Thank you again,

Matthias

Von: Samuel Key [mailto:samuelkey at bresnan.net]
Gesendet: Dienstag, 14. Juni 2016 18:45
An: Zenker, Dr. Matthias
Betreff: Re: [Paraview] display boundaries of 2D geometry

Matthias,

Here is a time(0.0) mesh datum set that you or your staff can use in PV 5.0.0 to see how PV's Extract Block filter works. Take a look at the ASCII-formatted file fmavto.mesh.pvd; it is a "mother file" that tells ParaView about all of the *.vtu files. (Also, the *.vtu can be loaded individually if you like.)

Samuel W. Key
FMS Development, LLC
1005 39th Ave. NE
Great Falls, Montana 59404
USA

On 6/14/2016 9:21 AM, Zenker, Dr. Matthias wrote:

Hi Cory,

thank you for the hint.

However, I don't know how to make a mesh generated by Salomé a multi-block dataset. Could you tell me more or give me a pointer on where I can find that out?

Thanks,

Matthias

-----Ursprüngliche Nachricht-----

Von: Cory Quammen [mailto:cory.quammen at kitware.com]

Gesendet: Dienstag, 14. Juni 2016 14:27

An: Zenker, Dr. Matthias

Cc: paraview at paraview.org<mailto:paraview at paraview.org>

Betreff: Re: [Paraview] display boundaries of 2D geometry

Hi Matthais,

People typically use multi-block data sets for this purpose. ParaView has a

multi-block inspector that enables you change the visibility of the blocks in a

data set. If you make each surface a block, then you can show/hide each at

will.

HTH,

Cory

On Tue, Jun 14, 2016 at 1:11 PM, Zenker, Dr. Matthias

<Matthias.Zenker at erbe-med.com><mailto:Matthias.Zenker at erbe-med.com> wrote:

Hi Cory,

this helped indeed, thank you.

I  load the mesh.vtu file and apply the Threshold filter on the GeometryID,

and display that together with my simulation results. That works fine.

If I want to display several parts selectively, I can use several Thresholds,

which is a bit clumsy.

It would be nice to be able to get a list of all GeometryIDs, and to check

those which I want displayed. Do you know if there is a way to do that? Or on

a more general basis: are there other, more elegant ways to display a

geometry in ParaView?

Thanks again,

Matthias

-----Ursprüngliche Nachricht-----

Von: Cory Quammen [mailto:cory.quammen at kitware.com]

Gesendet: Montag, 13. Juni 2016 22:28

An: Zenker, Dr. Matthias

Cc: paraview at paraview.org<mailto:paraview at paraview.org>

Betreff: Re: [Paraview] display boundaries of 2D geometry

Matthias,

I'm not sure I fully understand exactly what you are trying to do,

but I will try to make a suggestion anyway. If the edges have a cell

data array giving the ID, you should be able to use the Threshold

filter to extract the edges associated with a particular body ID.

Just set the threshold values to the ID you want to see.

Hope that helps,

Cory

On Mon, Jun 13, 2016 at 6:43 PM, Zenker, Dr. Matthias

<Matthias.Zenker at erbe-med.com><mailto:Matthias.Zenker at erbe-med.com> wrote:

Hi,

is there a way to display the boundaries (edges) of a 2D geometry?

I have converted my mesh to vtu using Elmergrid, so I have the IDs

of bodies (=surfaces in 2D) and boundaries (edges) in a vtu file.

Can I just display the edges having the same ID? The extract edges filter

does not help.

What

else could I try?

Thank you for a helpful hint,

Matthias

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R&D Engineer

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