Method ProcessComponents

Rendering/Annotation/vtkArcPlotter.cxx:244–343

}

int vtkArcPlotter::ProcessComponents(vtkIdType numPts, vtkPointData* pd)
{
  vtkIdType i;
  int j;
  double* range;

  this->Data = nullptr;
  switch (this->PlotMode)
  {
    case VTK_PLOT_SCALARS:
      if (pd->GetScalars())
      {
        this->Data = pd->GetScalars();
      }
      break;
    case VTK_PLOT_VECTORS:
      if (pd->GetVectors())
      {
        this->Data = pd->GetVectors();
      }
      break;
    case VTK_PLOT_NORMALS:
      if (pd->GetNormals())
      {
        this->Data = pd->GetNormals();
      }
      break;
    case VTK_PLOT_TCOORDS:
      if (pd->GetTCoords())
      {
        this->Data = pd->GetTCoords();
      }
      break;
    case VTK_PLOT_TENSORS:
      if (pd->GetTensors())
      {
        this->Data = pd->GetTensors();
      }
      break;
    case VTK_PLOT_FIELD_DATA:
      int arrayNum = (this->FieldDataArray < pd->GetNumberOfArrays() ? this->FieldDataArray
                                                                     : pd->GetNumberOfArrays() - 1);
      this->Data = pd->GetArray(arrayNum);
      break;
  }

  // Determine the number of components
  if (this->Data)
  {
    this->NumberOfComponents = this->Data->GetNumberOfComponents();
    if (this->PlotComponent >= 0)
    {
      this->ActiveComponent =
        (this->PlotComponent < this->NumberOfComponents ? this->PlotComponent
                                                        : this->NumberOfComponents - 1);
      this->StartComp = this->EndComp = this->ActiveComponent;
    }
    else