Method BuildRepresentation

Interaction/Widgets/vtkCameraPathRepresentation.cxx:48–81

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

//------------------------------------------------------------------------------
void vtkCameraPathRepresentation::BuildRepresentation()
{
  if (this->NumberOfHandles < 1)
  {
    return;
  }
  this->ValidPick = 1;
  // change spline's number of points
  vtkPoints* points = this->ParametricSpline->GetPoints();
  if (points->GetNumberOfPoints() != this->NumberOfHandles)
  {
    points->SetNumberOfPoints(this->NumberOfHandles);
  }

  vtkBoundingBox bbox;
  for (int i = 0; i < this->NumberOfHandles; ++i)
  {
    double pt[3];
    this->CameraHandles[i]->GetPosition(pt);
    points->SetPoint(i, pt);
    bbox.AddPoint(pt);
  }
  this->ParametricSpline->SetClosed(this->Closed);
  this->ParametricSpline->Modified();

  this->ParametricFunctionSource->Update();

  double bounds[6];
  bbox.GetBounds(bounds);
  this->InitialLength = sqrt((bounds[1] - bounds[0]) * (bounds[1] - bounds[0]) +
    (bounds[3] - bounds[2]) * (bounds[3] - bounds[2]) +
    (bounds[5] - bounds[4]) * (bounds[5] - bounds[4]));
  this->SizeHandles();
}

//------------------------------------------------------------------------------
void vtkCameraPathRepresentation::AddCameraAt(vtkCamera* camera, int index)