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Hi,<br>
<br>
I make it work but using the python
interface(vtkCPPythonScriptPipeline). I think for my case is easier
to build pipelines with the Catalyst plugin for paraview. And anyway
my paraview is already compiled with python.<br>
<br>
Thanks to all for this great feature.<br>
<br>
Felipe<br>
<br>
<br>
Le 18/02/2015 16:18, Dan Lipsa a écrit :<br>
<span style="white-space: pre;">> Hi Felipe,<br>
> I'll try to take a look at it today.<br>
><br>
> Dan<br>
><br>
><br>
> On Wed, Feb 18, 2015 at 9:58 AM, Felipe Bordeu
<<a class="moz-txt-link-abbreviated" href="mailto:felipe.bordeu@ec-nantes.fr">felipe.bordeu@ec-nantes.fr</a>
<a class="moz-txt-link-rfc2396E" href="mailto:felipe.bordeu@ec-nantes.fr"><mailto:felipe.bordeu@ec-nantes.fr></a>> wrote:<br>
><br>
><br>
> Hi Dan,<br>
><br>
> Yes I already saw the post, but is with python. I just want
to send my data to paraview.<br>
><br>
> I translated the related code for the live visu from python
to c++. But I still missing something.<br>
><br>
> Can some one look at the code (attached). It is a very simple
adaptor with a very simple vtkCPVTKPipeline.<br>
><br>
> The thing is I don't understand the way the vtkLiveInsituLink
class know about the vtkPBTrivialProducer.<br>
><br>
> Thanks to all.<br>
><br>
> Felipe<br>
><br>
><br>
> Le 17/02/2015 21:43, Dan Lipsa a écrit :<br>
> > (just a forward of my previous response to the list)<br>
><br>
> > ---------- Forwarded message ----------<br>
> > From: *Dan Lipsa* <<a class="moz-txt-link-abbreviated" href="mailto:dan.lipsa@kitware.com">dan.lipsa@kitware.com</a>
<a class="moz-txt-link-rfc2396E" href="mailto:dan.lipsa@kitware.com"><mailto:dan.lipsa@kitware.com></a>
<a class="moz-txt-link-rfc2396E" href="mailto:dan.lipsa@kitware.com"><mailto:dan.lipsa@kitware.com></a>
<a class="moz-txt-link-rfc2396E" href="mailto:dan.lipsa@kitware.com"><mailto:dan.lipsa@kitware.com></a>><br>
> > Date: Tue, Feb 17, 2015 at 12:19 PM<br>
> > Subject: Re: [Paraview] Catalyst simple test<br>
> > To: Felipe Bordeu <<a class="moz-txt-link-abbreviated" href="mailto:felipe.bordeu@ec-nantes.fr">felipe.bordeu@ec-nantes.fr</a>
<a class="moz-txt-link-rfc2396E" href="mailto:felipe.bordeu@ec-nantes.fr"><mailto:felipe.bordeu@ec-nantes.fr></a>
<a class="moz-txt-link-rfc2396E" href="mailto:felipe.bordeu@ec-nantes.fr"><mailto:felipe.bordeu@ec-nantes.fr></a>
<a class="moz-txt-link-rfc2396E" href="mailto:felipe.bordeu@ec-nantes.fr"><mailto:felipe.bordeu@ec-nantes.fr></a>><br>
><br>
><br>
> > Hi Felipe,<br>
> > Have you seen:
<a class="moz-txt-link-freetext" href="http://www.kitware.com/blog/home/post/722">http://www.kitware.com/blog/home/post/722</a>?<br>
><br>
> > This blog post shows you how to setup a live connection
and describe a simple pipeline using python.<br>
> > 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.<br>
><br>
> > We don't have an example with only C++.<br>
> > Setting up the visualization pipeline as well as the
connection to catalyst live, while possible, is more involved in
C++.<br>
> > Basically, you'll have write in C++ some of the code in
simple.py and coprocessing.py.<br>
><br>
> > In your specific case, maybe you are missing the calls
to<br>
><br>
> > coprocessor.DoLiveVisualization(datadescription,
"localhost", 22222)<br>
><br>
> > or<br>
> > coprocessor.EnableLiveVisualization(True, 1)<br>
><br>
> > These are lines from the python coprocessing script that
you'll have to rewrite in C++.<br>
><br>
> > Dan<br>
><br>
><br>
> > On Tue, Feb 17, 2015 at 10:54 AM, Felipe Bordeu
<<a class="moz-txt-link-abbreviated" href="mailto:felipe.bordeu@ec-nantes.fr">felipe.bordeu@ec-nantes.fr</a>
<a class="moz-txt-link-rfc2396E" href="mailto:felipe.bordeu@ec-nantes.fr"><mailto:felipe.bordeu@ec-nantes.fr></a>
<a class="moz-txt-link-rfc2396E" href="mailto:felipe.bordeu@ec-nantes.fr"><mailto:felipe.bordeu@ec-nantes.fr></a>
<a class="moz-txt-link-rfc2396E" href="mailto:felipe.bordeu@ec-nantes.fr"><mailto:felipe.bordeu@ec-nantes.fr></a>> wrote:<br>
><br>
><br>
> > Hi everybody,<br>
><br>
> > I 'm trying to connect my simulation code (a dummy
simulation code for<br>
> > the moment) to paraview using Catalyst to do live
visualization. Just<br>
> > make a mesh (2D structured, with 1 field), and send it
to paraview<br>
> > without python. But I something is not working. The code
runs, I can<br>
> > connect to paraview, pause the simulation but unable to
sent the data<br>
> > for the visualization.<br>
><br>
> > So I'm doing this : for initialization<br>
><br>
> > create a vtkCPProcessor object and call Initialize();<br>
> > create a vtkCPPipeline derived object class and added to
the processor (<br>
> > Processor->AddPipeline(pipeline.GetPointer()); ) .<br>
> > (why do I need a Pipeline if I'm going to send my raw
data (in vtk<br>
> > format of course) to paraview?)<br>
> > in the CoProcess( vtkCPDataDescription* dataDescription)
member function<br>
> > the only relevant lines are :<br>
> > vtkNew<vtkPVTrivialProducer> producer;<br>
> > vtkImageData* grid =<br>
> >
vtkImageData::SafeDownCast(dataDescription->GetInputDescriptionByName("input")->GetGrid());<br>
> >
producer->SetOutput(grid,dataDescription->GetTime());<br>
><br>
> > create a vtkLiveInsituLink<br>
> > LiveLink = vtkLiveInsituLink::New();<br>
> > LiveLink->SetInsituPort(22222);<br>
> > LiveLink->SetHostname("localhost");<br>
> >
LiveLink->SetProcessType(vtkLiveInsituLink::INSITU);<br>
> > vtkSMProxyManager* proxyManager =
vtkSMProxyManager::GetProxyManager();<br>
> > vtkSMSessionProxyManager* sessionProxyManager =<br>
> > proxyManager->GetActiveSessionProxyManager();<br>
> > LiveLink->Initialize(sessionProxyManager);<br>
><br>
><br>
> > then in each time-step I do :<br>
><br>
> > vtkCPDataDescription* dataDescription =
vtkCPDataDescription::New();<br>
> > dataDescription->AddInput("input");<br>
> > dataDescription-> SetTimeData(time, timeStep);<br>
> >
if(Processor->RequestDataDescription(dataDescription) != 0){<br>
> > // Create a uniform grid<br>
> > vtkImageData* grid = vtkImageData::New();<br>
> > ....<br>
> > ""setextent, create DoubleArray, fill the array, put
the array in the<br>
> > grid""<br>
> > ...<br>
> >
dataDescription->GetInputDescriptionByName("input")->SetGrid(grid);<br>
> > grid->Delete();<br>
><br>
> > Processor->CoProcess(dataDescription);<br>
><br>
><br>
> > (and also the LiveLink code, not sure about this) this
is similar to the<br>
> > coprocessing.py<br>
><br>
> > while(true){<br>
> > LiveLink->InsituUpdate(timeStep, time);<br>
><br>
> > LiveLink->InsituPostProcess(time, timeStep);<br>
><br>
> > if (LiveLink->GetSimulationPaused()){<br>
> > if (LiveLink->WaitForLiveChange()){<br>
> > break;<br>
> > }<br>
> > } else {<br>
> > break;<br>
> > }<br>
> > }<br>
><br>
><br>
> > I'm pretty sure I'm mixing the code for the different
examples I found<br>
> > on the web and in the sources. I didn't find an example
with pure c++<br>
> > and live viz.<br>
> > How I can tell to the LiveLink with data I want to sent
to paraview???<br>
><br>
> > using ParaView 4.3.1 compiled from git source in linux.<br>
><br>
> > Thanks to all.<br>
><br>
><br>
><br>
> > _______________________________________________<br>
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- -- <br>
Felipe Bordeu Weldt<br>
Ingénieur de Recherche<br>
- -------------------------------------<br>
Tél. : 33 (0)2 40 37 16 57<br>
Fax. : 33 (0)2 40 74 74 06<br>
<a class="moz-txt-link-abbreviated" href="mailto:Felipe.Bordeu@ec-nantes.fr">Felipe.Bordeu@ec-nantes.fr</a><br>
Institut GeM - UMR CNRS 6183<br>
École Centrale Nantes<br>
1 Rue de La Noë, 44321 Nantes, FRANCE<br>
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