Method InitializeHandles

Interaction/Widgets/vtkSplineWidget.cxx:1395–1432

}

void vtkSplineWidget::InitializeHandles(vtkPoints* points)
{
  if (!points)
  {
    return;
  }

  int npts = points->GetNumberOfPoints();
  if (npts < 2)
  {
    return;
  }

  double p0[3];
  double p1[3];

  points->GetPoint(0, p0);
  points->GetPoint(npts - 1, p1);

  if (vtkMath::Distance2BetweenPoints(p0, p1) == 0.0)
  {
    --npts;
    this->Closed = 1;
    this->ParametricSpline->ClosedOn();
  }

  this->SetNumberOfHandles(npts);
  int i;
  for (i = 0; i < npts; ++i)
  {
    this->SetHandlePosition(i, points->GetPoint(i));
  }

  if (this->Interactor && this->Enabled)
  {
    this->Interactor->Render();
  }
}

int vtkSplineWidget::IsClosed()
{