#include <osg/Timer>
#include <osg/io_utils>
#include <osg/observer_ptr>
#include <osgUtil/IntersectionVisitor>
#include <osgUtil/PolytopeIntersector>
#include <osgUtil/LineSegmentIntersector>
#include <osgGA/TrackballManipulator>
#include <osgGA/StateSetManipulator>
#include <osgGA/KeySwitchMatrixManipulator>
#include <osgGA/NodeTrackerManipulator>
#include "PickHandler.hpp"