Method AllocateUseSet

Rendering/Volume/vtkUnstructuredGridVolumeZSweepMapper.cxx:2815–2833

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//------------------------------------------------------------------------------
void vtkUnstructuredGridVolumeZSweepMapper::AllocateUseSet(vtkIdType size)
{
  if (this->UseSet != nullptr)
  {
    if (size > static_cast<vtkIdType>(this->UseSet->Vector.size()))
    {
      delete this->UseSet;
      this->UseSet = new vtkUseSet(size);
    }
    else
    {
      this->UseSet->Clear();
    }
  }
  else
  {
    this->UseSet = new vtkUseSet(size);
  }
}

//------------------------------------------------------------------------------
void vtkUnstructuredGridVolumeZSweepMapper::AllocateVertices(vtkIdType size)