Method UpdateConfiguration

Interaction/Widgets/vtkCameraPathRepresentation.cxx:312–349

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//------------------------------------------------------------------------------
void vtkCameraPathRepresentation::UpdateConfiguration(int npts)
{
  if (this->NumberOfHandles == npts)
  {
    return;
  }

  if (npts < 0)
  {
    return;
  }

  if (npts == 0)
  {
    this->NumberOfHandles = 0;
    this->CleanRepresentation();
    return;
  }

  // Ensure no handle is highlighted
  this->HighlightHandle(nullptr);

  // in case there was no spline before, reallocate it
  if (!this->GetParametricSpline())
  {
    vtkNew<vtkPoints> points;
    points->SetDataType(VTK_DOUBLE);
    points->SetNumberOfPoints(npts);
    vtkNew<vtkParametricSpline> spline;
    spline->SetPoints(points);
    this->SetParametricSplineInternal(spline);
    this->LineMapper->SetInputConnection(this->ParametricFunctionSource->GetOutputPort());
  }

  this->NumberOfHandles = npts;

  this->RebuildRepresentation();
}

//------------------------------------------------------------------------------
int vtkCameraPathRepresentation::InsertHandleOnLine(double* pos)