Method SetInput

Common/Transforms/vtkTransform.cxx:236–257

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

//------------------------------------------------------------------------------
void vtkTransform::SetInput(vtkLinearTransform* input)
{
  if (this->Input == input)
  {
    return;
  }
  if (input && input->CircuitCheck(this))
  {
    vtkErrorMacro("SetInput: this would create a circular reference.");
    return;
  }
  if (this->Input)
  {
    this->Input->Delete();
  }
  this->Input = input;
  if (this->Input)
  {
    this->Input->Register(this);
  }
  this->Modified();
}

//------------------------------------------------------------------------------
int vtkTransform::CircuitCheck(vtkAbstractTransform* transform)