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// $Id: G4VTrajectoryModel.hh,v 1.7 2006/08/14 11:43:34 allison Exp $
// GEANT4 tag $Name:  $
//
// Jane Tinslay, John Allison, Joseph Perl October 2005
//
// Class Description:
// Abstract base class for trajectory drawing models. Trajectory drawing
// 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 "G4VTrajectory.hh"

class G4VisTrajContext;

class G4VTrajectoryModel {

public:

  // Construct with context object
  G4VTrajectoryModel(const G4String& name, G4VisTrajContext* fpContext=0);

  // Destructor
  virtual ~G4VTrajectoryModel();
  
  // Draw method
  virtual void Draw(const G4VTrajectory& trajectory, const G4int& i_mode = 0, 
		    const G4bool& visible = true) const = 0;
  
  // Print configuration
  virtual void Print(std::ostream& ostr) const = 0;
  
  // Accessors
  G4String Name() const ;
  const G4VisTrajContext& GetContext() const;
  
  // Set verbosity
  void SetVerbose(const G4bool&);
  G4bool GetVerbose() const;

private:

  G4String fName;
  G4bool fVerbose;
  G4VisTrajContext* fpContext;
  
};

#endif

