Method UpdateRange

Common/DataModel/vtkPiecewiseFunction.cxx:458–483

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//------------------------------------------------------------------------------
bool vtkPiecewiseFunction::UpdateRange()
{
  double oldRange[2];
  oldRange[0] = this->Range[0];
  oldRange[1] = this->Range[1];

  int size = static_cast<int>(this->Internal->Nodes.size());
  if (size)
  {
    this->Range[0] = this->Internal->Nodes[0]->X;
    this->Range[1] = this->Internal->Nodes[size - 1]->X;
  }
  else
  {
    this->Range[0] = 0;
    this->Range[1] = 0;
  }
  // If the rage is the same, then no need to call Modified()
  if (oldRange[0] == this->Range[0] && oldRange[1] == this->Range[1])
  {
    return false;
  }

  this->Modified();
  return true;
}

//------------------------------------------------------------------------------
int vtkPiecewiseFunction::RemovePoint(double x)