EDepSimSpillTimeGenerator.hh

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#ifndef EDepSim_SpillTimeGenerator_hh_seen
#define EDepSim_SpillTimeGenerator_hh_seen

#include <vector>

#include "kinem/EDepSimVTimeGenerator.hh"

/// Generate an interaction time according to the spill parameters.  This
/// object is created using the EDepSim::SpillTimeFactory where the spill
/// parameters can be set (there is more documentation there).  The time of
/// the interaction is adjusted for the neutrino travel time.
namespace EDepSim {class SpillTimeGenerator;}
class EDepSim::SpillTimeGenerator : public EDepSim::VTimeGenerator {
public:
    /// Create the generatory.  The name is for documentation, the spillTime
    /// gives the start time of the first bunch at the center of the EDepSim::
    /// hall, the bunchSeparation is the time between bunch starts, and the
    /// bunchLength is the time length of a bunch with respect to it's start
    /// time.
    SpillTimeGenerator(G4String name, 
                            double spillTime,
                            double bunchSeparation,
                            double bunchLength,
                            const std::vector<double>& bunchPower);
    virtual ~SpillTimeGenerator();

    /// Return the time of the event to be generated.
    double GetTime(const G4LorentzVector& vertex);

    /// Flag if the time should be forced.  This tells the calling routine
    /// that the time returned by this generator should override any times
    /// found in the original vertex.  This returns true, so that the
    /// generated spill time overrides the interaction time.
    virtual bool ForceTime();

private:
    /// The time that the neutrinos are crossing (0,0,0).
    double fSpillTime;
    
    /// The time between bunch starts.
    double fBunchSeparation;
    
    /// The length of a bunch.  This is the gaussian width of the bunch.
    double fBunchLength;

    /// The power in each bunch.
    std::vector<double> fBunchPower;

    /// The maximum power in a bunch.
    double fMaxPower;
};
#endif