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// $Id: G4VTrajectoryModel.hh,v 1.3 2005/12/02 19:16:15 perl Exp $
// GEANT4 tag $Name: geant4-08-00 $
//
// Jane Tinslay, John Allison, Joseph Perl October 2005
//
// Class Description:
// Abstract base class for trajectory models. Trajectory models are responsible
// for drawing individual trajectories according to a particular style.
// Class Description - End:

#ifndef G4VTRAJECTORYMODEL_HH
#define G4VTRAJECTORYMODEL_HH

#include "G4String.hh"
#include <iostream>

class G4VTrajectory;

class G4VTrajectoryModel {

public: // With description

  G4VTrajectoryModel(const G4String& name):fName(name) {}

  virtual ~G4VTrajectoryModel() {}

  virtual void Draw(const G4VTrajectory& trajectory, G4int i_mode = 0) const = 0;
  // Draw the trajectory with optional i_mode parameter

  virtual void Print(std::ostream& ostr) const = 0;
  // Print configuration

  G4String Name() const ;

protected:

  // Data member
  G4String fName;

};

inline G4String G4VTrajectoryModel::Name() const {return fName;}

#endif