[Paraview] [EXTERNAL] extract CTH parts (UNCLASSIFIED)

[Utkarsh Ayachit]

Rick,

Coincidentally, I am looking at the CTH parts class of filters right now.
Can you share the data or the images with the holes?

Utkarsh


On Mon, Aug 26, 2013 at 4:08 PM, Angelini, Richard C (Rick) CIV USARMY ARL
(US) <richard.c.angelini.civ at mail.mil> wrote:

> Classification: UNCLASSIFIED
> Caveats: NONE
>
> Alan - yeah, the dataset opens correctly with < 80 servers.   It doesn't
> matter how I distribute those 80 servers - I can do 16 processes on 5
> nodes,
> 8 processes on 10 nodes and it works.   If I play the same game with > 80
> nodes, I start seeing the holes.   I *doubt* that it's a bad node, but I'll
> do some deeper investigating just to verify.
>
> -----Original Message-----
> From: Scott, W Alan [mailto:wascott at sandia.gov]
> Sent: Monday, August 26, 2013 3:43 PM
> To: Angelini, Richard C (Rick) CIV USARMY ARL (US); paraview at paraview.org
> Subject: RE: [EXTERNAL] [Paraview] extract CTH parts (UNCLASSIFIED)
>
> Bad node?
>
> Try running the problem on a few nodes.  Next, try running the "big node"
> problem.  As you shift the nodes you are using, does the issue follow the
> underlying iron, or the same bad blocks in the dataset?
>
> Dataset opens correctly with smaller number of nodes?
>
> Want me to try it here?  80 does seem really, really small/easy/trivial for
> big data...
>
> Alan
>
> -----Original Message-----
> From: paraview-bounces at paraview.org [mailto:paraview-bounces at paraview.org]
> On Behalf Of Angelini, Richard C (Rick) CIV USARMY ARL (US)
> Sent: Monday, August 26, 2013 1:38 PM
> To: paraview at paraview.org
> Subject: [EXTERNAL] [Paraview] extract CTH parts (UNCLASSIFIED)
>
> Classification: UNCLASSIFIED
> Caveats: NONE
>
> I'm having an issue with the extract CTH parts filter in ParaView 4.0.1.
> The dataset consists of 1024 spcth files, regular structured mesh, 14
> blocks.  The issue seems to be that once I exceed X number of server
> processes (it seems to be about 80 servers), I start seeing holes in the
> resulting geometry.  The more I exceed the magic number of servers, the
> more
> holes I see in the resulting part.    If I create a clip using the
> volume_fraction scalar variable(s),  the geometry of the clip is correct -
> that is, the underlying data seems to be there.   So, I'm thinking that the
> data is being properly distributed and all of the data is accounted for,
> but
> that there's an issue with the "extract CTH parts" filter?    Doesn't seem
> likely, but stranger things have happened.
>
> Any ideas?
>
> Classification: UNCLASSIFIED
> Caveats: NONE
>
>
>
>
> Classification: UNCLASSIFIED
> Caveats: NONE
>
>
>
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