[Paraview] Fwd: Catalyst simple test
Dan Lipsa
dan.lipsa at kitware.com
Wed Feb 18 10:18:07 EST 2015
Hi Felipe,
I'll try to take a look at it today.
Dan
On Wed, Feb 18, 2015 at 9:58 AM, Felipe Bordeu <felipe.bordeu at ec-nantes.fr>
wrote:
>
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> Hi Dan,
>
> Yes I already saw the post, but is with python. I just want to send my
> data to paraview.
>
> I translated the related code for the live visu from python to c++. But I
> still missing something.
>
> Can some one look at the code (attached). It is a very simple adaptor with
> a very simple vtkCPVTKPipeline.
>
> The thing is I don't understand the way the vtkLiveInsituLink class know
> about the vtkPBTrivialProducer.
>
> Thanks to all.
>
> Felipe
>
>
> Le 17/02/2015 21:43, Dan Lipsa a écrit :
> > (just a forward of my previous response to the list)
> >
> > ---------- Forwarded message ----------
> > From: *Dan Lipsa* <dan.lipsa at kitware.com <mailto:dan.lipsa at kitware.com>
> <dan.lipsa at kitware.com>>
> > Date: Tue, Feb 17, 2015 at 12:19 PM
> > Subject: Re: [Paraview] Catalyst simple test
> > To: Felipe Bordeu <felipe.bordeu at ec-nantes.fr
> <mailto:felipe.bordeu at ec-nantes.fr> <felipe.bordeu at ec-nantes.fr>>
> >
> >
> > Hi Felipe,
> > Have you seen: http://www.kitware.com/blog/home/post/722?
> >
> > This blog post shows you how to setup a live connection and describe a
> simple pipeline using python.
> > The pipeline was generated from Tools/Manage Plugins, Catalyst Script
> Generator Plugin, Load Selected. Then you can build your pipeline and
> export it using CoProcessing, Export State.
> >
> > We don't have an example with only C++.
> > Setting up the visualization pipeline as well as the connection to
> catalyst live, while possible, is more involved in C++.
> > Basically, you'll have write in C++ some of the code in simple.py and
> coprocessing.py.
> >
> > In your specific case, maybe you are missing the calls to
> >
> > coprocessor.DoLiveVisualization(datadescription, "localhost", 22222)
> >
> > or
> > coprocessor.EnableLiveVisualization(True, 1)
> >
> > These are lines from the python coprocessing script that you'll have to
> rewrite in C++.
> >
> > Dan
> >
> >
> > On Tue, Feb 17, 2015 at 10:54 AM, Felipe Bordeu <
> felipe.bordeu at ec-nantes.fr <mailto:felipe.bordeu at ec-nantes.fr>
> <felipe.bordeu at ec-nantes.fr>> wrote:
> >
> >
> > Hi everybody,
> >
> > I 'm trying to connect my simulation code (a dummy simulation code for
> > the moment) to paraview using Catalyst to do live visualization. Just
> > make a mesh (2D structured, with 1 field), and send it to paraview
> > without python. But I something is not working. The code runs, I can
> > connect to paraview, pause the simulation but unable to sent the data
> > for the visualization.
> >
> > So I'm doing this : for initialization
> >
> > create a vtkCPProcessor object and call Initialize();
> > create a vtkCPPipeline derived object class and added to the processor (
> > Processor->AddPipeline(pipeline.GetPointer()); ) .
> > (why do I need a Pipeline if I'm going to send my raw data (in vtk
> > format of course) to paraview?)
> > in the CoProcess( vtkCPDataDescription* dataDescription) member function
> > the only relevant lines are :
> > vtkNew<vtkPVTrivialProducer> producer;
> > vtkImageData* grid =
> >
> vtkImageData::SafeDownCast(dataDescription->GetInputDescriptionByName("input")->GetGrid());
> > producer->SetOutput(grid,dataDescription->GetTime());
> >
> > create a vtkLiveInsituLink
> > LiveLink = vtkLiveInsituLink::New();
> > LiveLink->SetInsituPort(22222);
> > LiveLink->SetHostname("localhost");
> > LiveLink->SetProcessType(vtkLiveInsituLink::INSITU);
> > vtkSMProxyManager* proxyManager =
> vtkSMProxyManager::GetProxyManager();
> > vtkSMSessionProxyManager* sessionProxyManager =
> > proxyManager->GetActiveSessionProxyManager();
> > LiveLink->Initialize(sessionProxyManager);
> >
> >
> > then in each time-step I do :
> >
> > vtkCPDataDescription* dataDescription = vtkCPDataDescription::New();
> > dataDescription->AddInput("input");
> > dataDescription-> SetTimeData(time, timeStep);
> > if(Processor->RequestDataDescription(dataDescription) != 0){
> > // Create a uniform grid
> > vtkImageData* grid = vtkImageData::New();
> > ....
> > ""setextent, create DoubleArray, fill the array, put the array in the
> > grid""
> > ...
> > dataDescription->GetInputDescriptionByName("input")->SetGrid(grid);
> > grid->Delete();
> >
> > Processor->CoProcess(dataDescription);
> >
> >
> > (and also the LiveLink code, not sure about this) this is similar to the
> > coprocessing.py
> >
> > while(true){
> > LiveLink->InsituUpdate(timeStep, time);
> >
> > LiveLink->InsituPostProcess(time, timeStep);
> >
> > if (LiveLink->GetSimulationPaused()){
> > if (LiveLink->WaitForLiveChange()){
> > break;
> > }
> > } else {
> > break;
> > }
> > }
> >
> >
> > I'm pretty sure I'm mixing the code for the different examples I found
> > on the web and in the sources. I didn't find an example with pure c++
> > and live viz.
> > How I can tell to the LiveLink with data I want to sent to paraview???
> >
> > using ParaView 4.3.1 compiled from git source in linux.
> >
> > Thanks to all.
> >
> >
> >
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>
> - --
> Felipe Bordeu Weldt
> Ingénieur de Recherche
> - -------------------------------------
> Tél. : 33 (0)2 40 37 16 57
> Fax. : 33 (0)2 40 74 74 06
> Felipe.Bordeu at ec-nantes.fr
> Institut GeM - UMR CNRS 6183
> École Centrale Nantes
> 1 Rue de La Noë, 44321 Nantes, FRANCE
> - -------------------------------------
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> _______________________________________________
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> Visit other Kitware open-source projects at
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>
> Please keep messages on-topic and check the ParaView Wiki at:
> http://paraview.org/Wiki/ParaView
>
> Search the list archives at: http://markmail.org/search/?q=ParaView
>
> Follow this link to subscribe/unsubscribe:
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