Method SingleProcessExecute

Filters/ParallelGeometry/vtkPDistributedDataFilter.cxx:678–732

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkPDistributedDataFilter::SingleProcessExecute(vtkDataSet* input, vtkUnstructuredGrid* output)
{
  TimeLog timer("SingleProcessExecute", this->Timing);
  (void)timer;

  vtkDebugMacro(<< "vtkPDistributedDataFilter::SingleProcessExecute()");

  // we run the input through vtkMergeCells which will remove
  // duplicate points

  vtkDataSet* tmp = input->NewInstance();
  tmp->ShallowCopy(input);

  float tolerance = 0.0;

  if (this->RetainKdtree)
  {
    if (this->Kdtree == nullptr)
    {
      this->Kdtree = vtkPKdTree::New();
      if (this->UserCuts)
      {
        this->Kdtree->SetCuts(this->UserCuts);
      }
      this->Kdtree->SetTiming(this->GetTiming());
    }

    this->Kdtree->SetDataSet(tmp);
    this->Kdtree->BuildLocator();
    tolerance = (float)this->Kdtree->GetFudgeFactor();
    this->Kdtree->CreateGlobalDataArrayBounds();
  }
  else if (this->Kdtree)
  {
    this->Kdtree->Delete();
    this->Kdtree = nullptr;
  }

  vtkUnstructuredGrid* clean =
    vtkPDistributedDataFilter::MergeGrids(&tmp, 1, DeleteYes, 1, tolerance, 0);

  output->ShallowCopy(clean);
  clean->Delete();

  if (this->GhostLevel > 0)
  {
    // Add the vtkGhostType arrays.  We have the whole
    // data set, so all cells are level 0.

    vtkPDistributedDataFilter::AddConstantUnsignedCharPointArray(
      output, vtkDataSetAttributes::GhostArrayName(), 0);
    vtkPDistributedDataFilter::AddConstantUnsignedCharCellArray(
      output, vtkDataSetAttributes::GhostArrayName(), 0);
  }
}

//------------------------------------------------------------------------------
void vtkPDistributedDataFilter::ComputeMyRegionBounds()