[Paraview-developers] Error in sharing vtkArrayData across Paraview ranks

[Prashant V]

Hi,

I have developed a Paraview source plugin. While running Paraview in parallel mode, I am trying to share a vtkArrayData from root process to other processes using vtkMPI send-receive. However, I am getting errors: 'Can not send vtkArrayData' and 'Can not receive vtkArrayData'. Is it that vtkArrayData is not allowed using send-receive? Is there any other alternative to share vtkArrayData across processes? Thanks.

Below is code snippet:

vtkMultiProcessController* Controller; // defined in header file

Code in cxx:

this->Controller = vtkMultiProcessController::GetGlobalController();
if(this->Controller)
{
     this->Controller->Register(this);
}

vtkSmartPointer<vtkArrayData> masterArray;

if(proc == 0) //root process
{
    masterArray =  from_some_method();
    for(int p=1; p < procCount; ++p)
    {
         this->Controller->Send(masterArray, p, 9999);
    }
}
else
{
    this->Controller->Receive(masterArray, 0, 9999);
}

Regards,
Prashant
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