Method GetNodeValue

Common/DataModel/vtkPiecewiseFunction.cxx:322–338

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//------------------------------------------------------------------------------
int vtkPiecewiseFunction::GetNodeValue(int index, double val[4])
{
  int size = static_cast<int>(this->Internal->Nodes.size());

  if (index < 0 || index >= size)
  {
    vtkErrorMacro("Index out of range!");
    return -1;
  }

  val[0] = this->Internal->Nodes[index]->X;
  val[1] = this->Internal->Nodes[index]->Y;
  val[2] = this->Internal->Nodes[index]->Midpoint;
  val[3] = this->Internal->Nodes[index]->Sharpness;

  return 1;
}

//------------------------------------------------------------------------------
int vtkPiecewiseFunction::SetNodeValue(int index, double val[4])