Method SetUpEmptyGrid

IO/Parallel/vtkPChacoReader.cxx:242–298

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

}
//------------------------------------------------------------------------------
void vtkPChacoReader::SetUpEmptyGrid(vtkUnstructuredGrid* output)
{
  int i;
  // Note: The cell and point arrays should be added in the same order in
  // which they are added in vtkChacoReader::BuildOutputGrid.  See "Note" in
  // vtkChacoReader.cxx.

  output->Initialize();

  if (this->GetGenerateVertexWeightArrays())
  {
    for (i = 0; i < this->NumberOfVertexWeights; i++)
    {
      vtkDoubleArray* da = vtkDoubleArray::New();
      da->SetNumberOfTuples(0);
      da->SetNumberOfComponents(1);
      da->SetName(this->GetVertexWeightArrayName(i + 1));
      output->GetPointData()->AddArray(da);
      da->Delete();
    }

    this->NumberOfPointWeightArrays = this->NumberOfVertexWeights;
  }

  if (this->GetGenerateEdgeWeightArrays())
  {
    for (i = 0; i < this->NumberOfEdgeWeights; i++)
    {
      vtkDoubleArray* da = vtkDoubleArray::New();
      da->SetNumberOfTuples(0);
      da->SetNumberOfComponents(1);
      da->SetName(this->GetEdgeWeightArrayName(i + 1));
      output->GetCellData()->AddArray(da);
      da->Delete();
    }

    this->NumberOfCellWeightArrays = this->NumberOfEdgeWeights;
  }

  if (this->GetGenerateGlobalElementIdArray())
  {
    vtkIntArray* ia = vtkIntArray::New();
    ia->SetNumberOfTuples(0);
    ia->SetNumberOfComponents(1);
    ia->SetName(vtkPChacoReader::GetGlobalElementIdArrayName());
    output->GetCellData()->AddArray(ia);
  }

  if (this->GetGenerateGlobalNodeIdArray())
  {
    vtkIntArray* ia = vtkIntArray::New();
    ia->SetNumberOfTuples(0);
    ia->SetNumberOfComponents(1);
    ia->SetName(vtkPChacoReader::GetGlobalNodeIdArrayName());
    output->GetPointData()->AddArray(ia);
  }
}
//------------------------------------------------------------------------------