TrackSimple.hh

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#ifndef G_TRACK_SIMPLE_H
#define G_TRACK_SIMPLE_H
 
#include "Track.hh"
 
namespace Garfield {
 
/// Generate tracks based on a cluster density given by the user. 
 
class TrackSimple : public Track {
 
 public:
  /// Constructor
  TrackSimple();
  /// Destructor
  virtual ~TrackSimple() {}
 
  /// Constant distance between clusters.
  void SetEqualSpacing() { m_useEqualSpacing = true; }
  /// Exponentially distributed distance between clusters.
  void SetExponentialSpacing() { m_useEqualSpacing = false; }
 
  /// Set the cluster density (inverse mean free path).
  void SetClusterDensity(const double d);
  virtual double GetClusterDensity();
  /// Set the stopping power (dE/dx).
  void SetStoppingPower(const double dedx);
  virtual double GetStoppingPower();
 
  virtual bool NewTrack(const double x0, const double y0, const double z0,
                        const double t0, const double dx0, const double dy0,
                        const double dz0);
  virtual bool GetCluster(double& xcls, double& ycls, double& zcls, 
                          double& tcls, int& n, double& e, double& extra);
 
 protected:
  bool m_isReady;
 
  // Particle position, time and direction
  double m_x, m_y, m_z, m_t;
  double m_dx, m_dy, m_dz;
  // Mean free path (mean spacing between adjacent clusters)
  double m_mfp;
  // Average energy per cluster
  double m_eloss;
 
  bool m_useEqualSpacing;
};
}
 
#endif