TrackPropagationHelper.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
 
//                                                            //
//  Header file for class TrackPropagationHelper              //
//                                                            //
//  Description: Helper class for using extrapolators to      //
//               extend raw track data                        //
//                                                            //
//  Author: Thomas H. Kittelmann (Thomas.Kittelmann@cern.ch)  //
//          Actual extrapolation code by Thijs Cornelissen    //
//  Initial version: February 2008                            //
//                                                            //
 
#ifndef TRACKPROPAGATIONHELPER_H
#define TRACKPROPAGATIONHELPER_H
 
#include "VP1Base/VP1HelperClassBase.h"
 
#include "TrkSurfaces/PlaneSurface.h"
#include "TrkEventPrimitives/ParticleHypothesis.h"
 
//#include "CLHEP/Geometry/Point3D.h"
#include "GeoPrimitives/GeoPrimitives.h"
 
#include <vector>
 
 
 
namespace Trk {
  class Track;
  class IExtrapolator;
  class Volume;
}
 
class TrackPropagationHelper : public VP1HelperClassBase {
public:
 
  TrackPropagationHelper( IVP1System* sys );
  ~TrackPropagationHelper();
 
  bool makePointsNeutral( std::vector<Amg::Vector3D >& points, const Trk::Track* );
  bool makePointsCharged( std::vector<Amg::Vector3D >& points, const Trk::Track*,
              Trk::IExtrapolator * extrapolator, Trk::ParticleHypothesis hypo = Trk::nonInteracting, bool useMEOT=false, const Trk::Volume* volume=0 );
 
  std::vector<Trk::PlaneSurface>& getExtrapolationSurfaces() const;
  bool showExtrapolationSurfaces() const;
  
  // double maxR2ForTracks() const; //!< Returns the maximum r^2 to draw track curves up to. Set by 
 
private:
 
  class Imp;
  Imp * m_d;
 
};
 
#endif