Hi Andy,

Thanks for your reply. Currently I am looking at the small examples but I would 
like to be able to fetch larger geometries in future. Is it possible for the 
simulation to connect to a parallel pvserver which will send images back to the 
client?

Putting interactive usage to one side for a moment, is non-uniform AMR 
supported in Catalyst batch? I.e. overlapping structured grids . I couldn’t 
find any references to non-uniform AMR in ParaView while researching.

Kind regards,
Jim

From: Andy Bauer [mailto:andy.ba...@kitware.com]
Sent: 31 March 2016 16:08
To: Eliot Jim AWE <jim.el...@awe1.awe.co.uk>
Cc: paraview@paraview.org
Subject: EXTERNAL: Re: [Paraview] CxxOverlappingAMRExample with Catalyst Live

Hi Jim,
Yes, currently Overlapping AMR data sets are not supported by Catalyst Live. 
This is because VTK doesn't support sending that data object. That would have 
to be changed in vtkCommunicator::Send(vtkDataObject* data, int remoteHandle, 
int tag).
A workaround would be to use a Threshold filter to convert to a multiblock of 
unstructured grids, use the merge blocks filter and then extract this output to 
the client. You'll get some warnings about the data set not being a polydata 
(think about running a large simulation and trying to transfer all of that to a 
separate server or client). I'm assuming since you're trying to fetch the 
entire data set that the use case isn't for an overly large data set.
Cheers,
Andy

On Thu, Mar 31, 2016 at 9:44 AM, 
<jim.el...@awe.co.uk<mailto:jim.el...@awe.co.uk>> wrote:

Good afternoon,

I have been trying to use Catalyst Live with the CxxOverlappingAMRExample from 
the ParaView Catalyst Example Code repository [1] but I see an error when I try 
to visualise the data from a ParaView client. The client connects to the 
simulation successfully and PVTrivialProducer1 appears in the Pipeline Browser. 
The Information tab shows it as an Overlapping AMR Dataset with 3 levels. 
However, when I click on the PVTrivialProducer1 icon, ParaView prints an error 
then segfaults. The error is something like:

    Warning: In <src-dir>/VTK/Parallel/Core/vtkCommunicator.cxx, line 394
    vtkSocketCommunicator (…): Cannot receive vtkOverlappingAMR

I have tried this with both ParaView 4.4.0 and 5.0.0 with the same results. The 
example works fine when I am using non-Live Catalyst (i.e. it writes out a 
bunch of vtm files that I can read into ParaView).

So I am wondering, are AMR meshes not supported by Catalyst Live? Do I have to 
handle AMR meshes differently when using Catalyst interactively?

Many thanks,
Jim

[1] https://github.com/Kitware/ParaViewCatalystExampleCode

Jim Eliot
High Performance Computing Group
AWE, Aldermaston, Reading, RG7 4PR


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your computer. While attachments are virus checked, AWE plc 
does not accept any liability in respect of any virus which is not 
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