Method Execute

Filters/Parallel/Testing/Cxx/DistributedDataRenderPass.cxx:88–388

}

void MyProcess::Execute()
{
  this->ReturnValue = 1;
  int numProcs = this->Controller->GetNumberOfProcesses();
  int me = this->Controller->GetLocalProcessId();

  int i, go;

  //  vtkCompositeRenderManager *prm = vtkCompositeRenderManager::New();
  //  vtkParallelRenderManager *prm = vtkParallelRenderManager::New();
  vtkImageRenderManager* prm = vtkImageRenderManager::New();

  vtkRenderWindowInteractor* iren = nullptr;

  if (me == 0)
  {
    iren = vtkRenderWindowInteractor::New();
  }

  // READER

  vtkDataSetReader* dsr = vtkDataSetReader::New();
  vtkUnstructuredGrid* ug = vtkUnstructuredGrid::New();

  vtkDataSet* ds = nullptr;

  if (me == 0)
  {
    char* fname =
      vtkTestUtilities::ExpandDataFileName(this->Argc, this->Argv, "Data/tetraMesh.vtk");

    dsr->SetFileName(fname);

    ds = dsr->GetOutput();

    dsr->Update();

    delete[] fname;

    go = 1;

    if ((ds == nullptr) || (ds->GetNumberOfCells() == 0))
    {
      if (ds)
      {
        std::cout << "Failure: input file has no cells" << std::endl;
      }
      go = 0;
    }
  }
  else
  {
    ds = static_cast<vtkDataSet*>(ug);
  }

  vtkMPICommunicator* comm = vtkMPICommunicator::SafeDownCast(this->Controller->GetCommunicator());

  comm->Broadcast(&go, 1, 0);