[Paraview] Removing *some* color legends in multi-screen immersive Paraview

[Stock, Mark]

Utkarsh,

That was exactly what I was looking for! It works perfectly. For future reference, at around line 230 of

ParaViewCore/ClientServerCore/Rendering/vtkPVRenderView.cxx

I removed

  window->AddRenderer(this->NonCompositedRenderer);

And added

  vtkMultiProcessController* Controller = vtkMultiProcessController::GetGlobalController();
  if (Controller->GetLocalProcessId() == 3) window->AddRenderer(this->NonCompositedRenderer);

And it built and ran just fine.

Thank you!

Mark
________________________________________
From: Utkarsh Ayachit [utkarsh.ayachit at kitware.com]
Sent: Wednesday, April 15, 2015 12:20 PM
To: Stock, Mark
Cc: paraview at paraview.org
Subject: Re: [Paraview] Removing *some* color legends in multi-screen immersive Paraview

In vtkPVRenderView.cxx, remove the following line:

   window->AddRenderer(this->NonCompositedRender).

Now, none of the views will render any 2D annotations, including
scalar bars. Once that work, you can tweak it to only skip adding that
renderer on the views you don't care about using the MPI rank,
obtained from the vtkMultProcessController::GetGlobalController()
instance.

Utkarsh



On Wed, Apr 15, 2015 at 1:59 PM, Stock, Mark <Mark.Stock at nrel.gov> wrote:
> Hello,
>
> I am digging through the Paraview code to find out where I can control which of our 6-projector VR CAVE screens will draw the color legends. The default seems to put all legends on all screens, which is very distracting. Does anyone know where I can intercept these draw calls with an MPI_RANK check?
>
> I'm on 4.2.0 with a 6-projector setup and a number of custom interactors. Not sure if the pvx and pvsm files are helpful, but I attached them anyway.
>
> Mark
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