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LEPEventShapes.h
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// -*- C++ -*-
//
// LEPEventShapes.h is a part of Herwig++ - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2007 The Herwig Collaboration
//
// Herwig++ is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef HERWIG_LEPEventShapes_H
#define HERWIG_LEPEventShapes_H
//
// This is the declaration of the LEPEventShapes class.
//
#include "ThePEG/Handlers/AnalysisHandler.h"
#include "ThePEG/Vectors/Lorentz5Vector.h"
#include "EventShapes.h"
#include "Herwig++/Utilities/Histogram.h"
namespace Herwig {
using namespace ThePEG;
/** \ingroup Analysis
* The LEPEventShapes class performs the analysis of global event shapes and
* compares with LEP data. This handler is solely intended as a slave
* handler for the EventShapesMasterAnalysis class.
*
* @see \ref LEPEventShapesInterfaces "The interfaces"
* defined for LEPEventShapes
*/
class LEPEventShapes: public AnalysisHandler {
public:
/** @name Virtual functions required by the AnalysisHandler class. */
//@{
/**
* Analyze a given Event. Note that a fully generated event
* may be presented several times, if it has been manipulated in
* between. The default version of this function will call transform
* to make a lorentz transformation of the whole event, then extract
* all final state particles and call analyze(tPVector) of this
* analysis object and those of all associated analysis objects. The
* default version will not, however, do anything on events which
* have not been fully generated, or have been manipulated in any
* way.
* @param event pointer to the Event to be analyzed.
* @param ieve the event number.
* @param loop the number of times this event has been presented.
* If negative the event is now fully generated.
* @param state a number different from zero if the event has been
* manipulated in some way since it was last presented.
*/
virtual void analyze(tEventPtr event, long ieve, int loop, int state);
/**
* Transform the event to the desired Lorentz frame and return the
* corresponding LorentzRotation.
* @param event a pointer to the Event to be transformed.
* @return the LorentzRotation used in the transformation.
*/
virtual LorentzRotation transform(tEventPtr event) const;
/**
* Analyze the given vector of particles. The default version calls
* analyze(tPPtr) for each of the particles.
* @param particles the vector of pointers to particles to be analyzed
*/
virtual void analyze(const tPVector & particles);
using AnalysisHandler::analyze;
//@}
public:
/** @name Functions used by the persistent I/O system. */
//@{
/**
* Function used to write out object persistently.
* @param os the persistent output stream written to.
*/
void persistentOutput(PersistentOStream & os) const;
/**
* Function used to read in object persistently.
* @param is the persistent input stream read from.
* @param version the version number of the object when written.
*/
void persistentInput(PersistentIStream & is, int version);
//@}
/**
* The standard Init function used to initialize the interfaces.
* Called exactly once for each class by the class description system
* before the main function starts or
* when this class is dynamically loaded.
*/
static void Init();
protected:
/** @name Clone Methods. */
//@{
/**
* Make a simple clone of this object.
* @return a pointer to the new object.
*/
inline virtual IBPtr clone() const {return new_ptr(*this);}
/** Make a clone of this object, possibly modifying the cloned object
* to make it sane.
* @return a pointer to the new object.
*/
inline virtual IBPtr fullclone() const {return new_ptr(*this);}
//@}
protected:
/** @name Standard Interfaced functions. */
//@{
/**
* Initialize this object. Called in the run phase just before
* a run begins.
*/
virtual void doinitrun();
/**
* Finalize this object. Called in the run phase just after a
* run has ended. Used eg. to write out statistics.
*/
virtual void dofinish();
//@}
private:
/**
* The static object used to initialize the description of this class.
* Indicates that this is a concrete class with persistent data.
*/
static ClassDescription<LEPEventShapes> initLEPEventShapes;
/**
* The assignment operator is private and must never be called.
* In fact, it should not even be implemented.
*/
LEPEventShapes & operator=(const LEPEventShapes &);
private:
/**
* Histogram for \f$1-T\f$ distribution.
*/
HistogramPtr _omthr;
/**
* Histogram for the major distribution
*/
HistogramPtr _maj;
/**
* Histogram for the minor distribution
*/
HistogramPtr _min;
/**
* Histogram for the oblateness distribution
*/
HistogramPtr _obl;
/**
* Histogram for the sphericity distribution
*/
HistogramPtr _sph;
/**
* Histogram for the aplanarity distribution
*/
HistogramPtr _apl;
/**
* Histogram for the planarity distribution
*/
HistogramPtr _pla;
/**
* Histogram for the C distribution
*/
HistogramPtr _c;
/**
* Histogram for the D distribution
*/
HistogramPtr _d;
/**
* Histogram for the \f$M_{\rm high}\f$ distribution
*/
HistogramPtr _mhi;
/**
* Histogram for the \f$M_{\rm low}\f$ distribution
*/
HistogramPtr _mlo;
/**
* Histogram for the \f$M_{\rm high}-M_{\rm low}\f$ distribution
*/
HistogramPtr _mdiff;
/**
* Histogram for the \f$B_{\rm max}\f$ distribution
*/
HistogramPtr _bmax;
/**
* Histogram for the \f$B_{\rm min}\f$ distribution
*/
HistogramPtr _bmin;
/**
* Histogram for the \f$B_{\rm max}+B_{\rm min}\f$ distribution
*/
HistogramPtr _bsum;
/**
* Histogram for the \f$B_{\rm max}-B_{\rm min}\f$ distribution
*/
HistogramPtr _bdiff;
/**
* Pointer to the object which calculates the event shapes
*/
EventShapesPtr _shapes;
};
}
#include "ThePEG/Utilities/ClassTraits.h"
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the
* base classes of LEPEventShapes. */
template <>
struct BaseClassTrait<Herwig::LEPEventShapes,1> {
/** Typedef of the first base class of LEPEventShapes. */
typedef AnalysisHandler NthBase;
};
/** This template specialization informs ThePEG about the name of
* the LEPEventShapes class and the shared object where it is defined. */
template <>
struct ClassTraits<Herwig::LEPEventShapes>
: public ClassTraitsBase<Herwig::LEPEventShapes> {
/** Return a platform-independent class name */
static string className() { return "Herwig::LEPEventShapes"; }
/** Return the name(s) of the shared library (or libraries) be loaded to get
* access to the LEPEventShapes class and any other class on which it depends
* (except the base class). */
static string library() { return "HwAnalysis.so HwLEPAnalysis.so"; }
};
/** @endcond */
}
#endif /* HERWIG_LEPEventShapes_H */

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