Method InitializeHandles

Interaction/Widgets/vtkCameraPathRepresentation.cxx:443–475

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkCameraPathRepresentation::InitializeHandles(vtkPoints* points)
{
  if (!points)
  {
    vtkErrorMacro(<< "ERROR: Invalid or nullptr points\n");
    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);
  for (int i = 0; i < npts; ++i)
  {
    this->SetHandlePosition(i, points->GetPoint(i));
  }
}

//------------------------------------------------------------------------------
void vtkCameraPathRepresentation::SizeHandles()