[Paraview-developers] Help to create a textsource proxy and to display it in C++

[PULVERAIL, Sebastien]

Hello,

Thank you for your help.

I have two questions about the piece of code you gave me :

1/ Where can I find the property helper to set for a given proxy?

2/ You are using a variable renderView. I assume that it matches to the current active render view.
How can I get it? With something like pqActiveObjects::instance().activeView()??

Thank you in advance.

Sébastien

De : Utkarsh Ayachit [mailto:utkarsh.ayachit at kitware.com]
Envoyé : mercredi 10 juin 2015 19:47
À : PULVERAIL, Sebastien; paraview-developers at paraview.org
Objet : Re: [Paraview-developers] Help to create a textsource proxy and to display it in C++

Oops...use "TextSourceRepresentation" instead of "DataLabelRepresentation".
Utkarsh

On Wed, Jun 10, 2015 at 1:46 PM Utkarsh Ayachit <utkarsh.ayachit at kitware.com<mailto:utkarsh.ayachit at kitware.com>> wrote:
Something like following should do the trick:
       vtkSMProxy* labelRepresentation = sessionProxyManager->NewProxy("representations", "DataLabelRepresentation");
      vtkSMPropertyHelper(labelRepresentation, "Input").Set(title);
      vtkSMPropertyHelper(labelRepresentation, "PointLabelMode").Set("IDs");
      vtkSMPropertyHelper(labelRepresentation, "PointLabelVisibility").Set(1);
      labelRepresentation->UpdateVTKObjects();
      vtkSMPropertyHelper(renderView, "Representations").Add(labelRepresentation);
      renderView->UpdateVTKObjects();




On Wed, Jun 10, 2015 at 12:11 PM PULVERAIL, Sebastien <sebastien.pulverail at sogeti.com<mailto:sebastien.pulverail at sogeti.com>> wrote:
Hello,

I’m trying to display a label in my render scene programmatically speaking.
Let’s assume that the label to display is my scene title.

If I’m right, the first step is to create my source proxy :
        vtkSMProxyManager* proxyManager = vtkSMProxyManager::GetProxyManager();
        vtkSMSessionProxyManager* sessionProxyManager = proxyManager->GetActiveSessionProxyManager();

        vtkSmartPointer<vtkSMSourceProxy> title;
        title.TakeReference(vtkSMSourceProxy::SafeDownCast(sessionProxyManager->NewProxy("sources", "TextSource")));
        vtkSMPropertyHelper(title, "Text").Set("MyTitle");

Then I assume that I have to create a TextSourceRepresentation and to tell my application that there is a new representation to render.
I don’t know how to do the last two steps.

Can you please help me to make this work?

Thank you in advance.

Sébastien.
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