[Paraview] Different visualization result using serial or parallel ParaView ...

[Stefan Melber]

Hi Utkarsh,

so i assume its finally a problem of the reader (here Ensight) which 
does not produce the ghost-cells. Ok, for the small testcase it works 
fine - however for the real one some of the processes fails with an 
error and ParaView in the end crashes. I then tried instead of using the 
"Ghost Cell Generator" i use "D31"-filter - and it does its job (seems 
it produces the ghost cells too because running the ghost-cell filter 
after D31 there is nothing to do for the filter).

However - regarding the error i found with "Ghost Cell Generator" i will 
send you a bigger (sorry) testcase.Just read in the data and apply the 
GhostCellGenerator in parallel ... i will crash.

Best regards,

       Stefan

> Stefan,
>
> Attached is a fixed state file. Since the file didn't have ghost-cell 
> information, the filters like "Compute Derivatives" didn't produce 
> correct result at the process boundary cells. By putting a "Ghost Cell 
> Generator" filter in the pipeline, one can address that issue.
>
> Utkarsh
>
> On Thu, Feb 9, 2017 at 8:18 AM, Utkarsh Ayachit 
> <utkarsh.ayachit at kitware.com <mailto:utkarsh.ayachit at kitware.com>> wrote:
>
>     That's odd. Stefan, can you send me the dataset please? I'll have
>     it looked into.
>
>     Thanks
>     Utkarsh
>
>     On Thu, Feb 9, 2017 at 4:04 AM, Stefan Melber
>     <Stefan.Melber at dlr.de <mailto:Stefan.Melber at dlr.de>> wrote:
>
>         Hi,
>
>
>         during visualization of vortices i found a bug (or feature?)
>         of ParaView: running the case in serial mode the results look
>         fine. However, doing the same in parallel mode (e.g. 8 cores)
>         the picture looks "ugly". Has anyone seen such an effect
>         running in parallel? I am using the current version (v5.2.0)
>         on a Linux 64bit machine with a Quadro 4000 graphics card.
>
>         Attached there are two pics showing the effect, a picture of
>         the used pipeline and the restart file...
>
>         The test-data can be send to you for testing - i just need a
>         email-address to send it to.
>
>         Best regards,
>
>              Stefan
>
>
>
>
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