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// $Id: G4TrajectoryDrawerUtils.hh,v 1.7 2007/05/30 08:56:55 allison Exp $
// GEANT4 tag $Name:  $
// 
// Jane Tinslay, John Allison, Joseph Perl November 2005
//
// Class Description
// Simple trajectory model drawing utility functions
// Class Description - End:

#ifndef G4TRAJECTORYDRAWERUTILS
#define G4TRAJECTORYDRAWERUTILS

#include "globals.hh"

class G4Colour;
class G4Polyline;
class G4Polymarker;
class G4VisTrajContext;
class G4VTrajectory;

namespace G4TrajectoryDrawerUtils {

  void GetPoints(const G4VTrajectory& traj, G4Polyline& trajectoryLine,
		 G4Polymarker& auxiliaryPoints, G4Polymarker& stepPoints);

  // Draw trajectory line and points
  void DrawLineAndPoints(const G4VTrajectory& traj, const G4int& i_mode, 
			 const G4Colour& cfg, const G4bool& visible);

  // Draw trajectory line and points using G4VisTrajContext object information
  void DrawLineAndPoints(const G4VTrajectory& traj, const G4VisTrajContext&, const G4int& i_mode=0);

}

#endif
