[Paraview] Exodus weirdness

[Moreland, Kenneth]

I don't recall seeing anything quite like that before.  Are these boundaries in question those in the original simulation (noted by the file number) or the processes in your visualization (which can be annotated with the Process Id Scalars filter)?  Does running the data through D3 help?

-Ken


On 4/30/09 1:30 PM, "Rick Angelini" <angel at arl.army.mil> wrote:

I am working with one of my customers viewing an Exodus dataset
generated by Alegra(?) using 256p.    The dataset loads fine, but seems
to have an issue at the processor boundaries.    When viewing the
dataset using something like a clip plane or isosurface, the data seems
to be "slipped" (or offset) at each processor boundary - that is, there
appears to be a hard edge at each processor boundary.     Unfortunately,
I'm not able to post an image that represents the problem.

I'm not familiar with the Exodus data format, but it looks like it could
be an issue associate with ghost cells.   Either there are no ghost
cells at the processor boundary layer, or they're possibly being
mismanaged?     Curiously enough, this is the first time we've noticed
this problem after processing quite a few Exodus datasets.    We're
using the latest production version of Paraview (3.4) and we've also
been able to duplicate the issue with other visualization tools, so we
think this is a problem with this particular Exodus dataset, if not the
Exodus format in general.

Any ideas?


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   ****      Kenneth Moreland
    ***      Sandia National Laboratories
***********
*** *** ***  email: kmorel at sandia.gov
**  ***  **  phone: (505) 844-8919
    ***      web:   http://www.cs.unm.edu/~kmorel

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