[Paraview] Cannot send vtkMultiPieceDataSet when using Catalyst

[Andy Bauer]

Hi,

The Catalyst Live In-Situ work is still beta functionality. I haven't tried
it with a multipiece data set so it doesn't surprise me that it doesn't
work. We are looking for funding to improve this and because of this we
haven't had the resources to test it out as thoroughly as we'd like.

I would suggest moving to ParaView 4.0.1 though instead of that release
candidate.

Regards,
Andy


On Fri, Dec 13, 2013 at 12:00 AM, 谢茂金 <xiemaojin at sccas.cn> wrote:

>  Hi all,
>        When I run the Catalyst example CxxMultiPieceExample with parallel
> Live Data Visualization, I get errors "Cannot send vtkMultiPieceDataSet"
> "Socket error in call to send. Broken pipe"  as the figure shown below.
> I just modify the SampleScripts/feslicescript.py slightly by changing the
> paramter of coprocessor.EnableLiveVisualization() from False to True.
>
> [My paraview version 4.0.0, compiled with PARAVIEW_USE_MPI on]
>
> The error occurs when clicking on the Live Data icons in the PipeLine
> panel, shown in Fig.1 . As I click it, both pvserver and paraview client
> are crashed, while the simulation code continues except printing the error
> information once as mentioned before, shown in Fig.2. If I dont force it to
> quit, the simulation runs well and generates proper coprocessing snapshots
> in fullgrid_* and slice_* folders.
>  Fig 1. Both pvserver and paraview crash when click
>
> To make things clear, I insert some printf in the code FEAdaptor.cxx and
> found that the errors are generated when calling Processor->CoProcess().
> For the sake of simplicity, I run the program with only one process in one
> node.
>
> mpiexec -np 1 pvserver
> paraview #and then connect to localhost:11111 and then connect to catalyst.
> mpiexec -np 1 ./FEDriver Sample/feslicescript.py
>
> The code snippets and run time errors.
>  Fig. 2 Code snippet and run time error
>
>
> More information are as follows.
>
> Here is why I run this example.
> I have an application in which I wanna do a parallel Live Visualization of
> a volume data, and is quite similar to the Catalyst example
> named CxxImageDataExample. But I failed to make the sub-images composited
> correctly by setting the extent and whole extent,  both in the example code
> [shown in Fig.3] and my application code. It shows the error of "RegionIDs
> cannot be 0". Thus I think I need a vtkMultiBlockDataSet and
> vtkMultiPieceDataSet to manage my volume data and its division, it this
> true?
>
> Would you please take some minutes to do a simple test of these two
> examples to see is it running correct on your machines?
>
> Many thanks to you!
>
>  Fig.  3 Incorrect compisiting of two sub-images (CxxImageDataExample,
> running in two processes)
>
> ------------------------------
> Maojin XIE
>
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