BaseGenerator Class Reference

#include <BaseGenerator.h>

Inheritance diagram for BaseGenerator:

Public Member Functions
	BaseGenerator (TRandom *rnd=gRandom)
	BaseGenerator (const BaseGenerator &other)
void	setMothers3Momentum (MINT::counted_ptr< MINT::IReturnReal > p, MINT::counted_ptr< MINT::IReturnReal > cosTheta=(MINT::counted_ptr< MINT::IReturnReal >) 0, MINT::counted_ptr< MINT::IReturnReal > phi=(MINT::counted_ptr< MINT::IReturnReal >) 0)
void	unsetMothers3Momentum ()
bool	mothers3MomentumIsSet () const
void	setSaveEvents (const std::string &fname="GeneratorEvents.root", const std::string &opt="RECREATE")
void	dontSaveEvents ()
void	setUnweighted (bool uw=true)
void	setWeighted (bool w=true)
void	FillEventList (DalitzEventList &evtList, int NEvents)
void	FillEventList (DiskResidentEventList &evtList, int NEvents)
virtual MINT::counted_ptr< IDalitzEvent >	newEvent ()=0
virtual bool	exhausted () const
virtual bool	ensureFreshEvents ()
void	noPrintout ()
virtual	~BaseGenerator ()
Public Member Functions inherited from MINT::IEventGenerator< IDalitzEvent >
virtual	~IEventGenerator ()

Protected Member Functions
bool	saveEvents ()
TVector3	mothers3Momentum () const

Protected Attributes
std::string	_fname
bool	_unWeighted
MINT::counted_ptr< DiskResidentEventList >	_evtList
bool	_noPrintout
TRandom *	_rnd
MINT::counted_ptr< MINT::IReturnReal >	_mums_p
MINT::counted_ptr< MINT::IReturnReal >	_mums_cosTheta
MINT::counted_ptr< MINT::IReturnReal >	_mums_phi

Detailed Description

Definition at line 27 of file BaseGenerator.h.

Constructor & Destructor Documentation

BaseGenerator() [1/2]

BaseGenerator::BaseGenerator

(

TRandom *

rnd = gRandom

)

Definition at line 12 of file BaseGenerator.cpp.

  : _unWeighted(true)
  , _evtList(0)
  , _noPrintout(false)
  , _rnd(rnd)
  , _mums_p(0)
  , _mums_cosTheta(0)
  , _mums_phi(0)
{

}

BaseGenerator() [2/2]

BaseGenerator::BaseGenerator

(

const BaseGenerator &

other

)

Definition at line 23 of file BaseGenerator.cpp.

  : IEventGenerator<IDalitzEvent>()
  , _unWeighted(other._unWeighted)
  , _evtList(other._evtList)
  , _noPrintout(other._noPrintout)
  , _rnd(other._rnd)
  , _mums_p(other._mums_p)
  , _mums_cosTheta(other._mums_cosTheta)
  , _mums_phi(other._mums_phi)
{
}

~BaseGenerator()

BaseGenerator::~BaseGenerator ( )

virtual

Definition at line 157 of file BaseGenerator.cpp.

                             {

}

Member Function Documentation

dontSaveEvents()

void BaseGenerator::dontSaveEvents

(

)

Definition at line 80 of file BaseGenerator.cpp.

                                  {
  _evtList = 
    counted_ptr<DiskResidentEventList>(0);
}

ensureFreshEvents()

bool BaseGenerator::ensureFreshEvents ( )

virtual

Implements MINT::IEventGenerator< IDalitzEvent >.

Reimplemented in SignalGenerator, FromFileGenerator, and FoamDalitzMC.

Definition at line 152 of file BaseGenerator.cpp.

                                     {
  if(0 == _rnd) _rnd = gRandom;
  _rnd->SetSeed(time(0)*3);
  return true;
}

exhausted()

virtual bool BaseGenerator::exhausted ( ) const

inlinevirtual

Implements MINT::IEventGenerator< IDalitzEvent >.

Reimplemented in SignalGenerator, FromFileGenerator, and FoamDalitzMC.

Definition at line 70 of file BaseGenerator.h.

{return false;}

FillEventList() [1/2]

void BaseGenerator::FillEventList	(	DalitzEventList &	evtList,
		int	NEvents
	)

Definition at line 116 of file BaseGenerator.cpp.

                                                                      {
  bool dbThis=false;
  if(dbThis) cout << "BaseGenerator::FillEventList (mr) called" << endl;

  time_t t0 = time(0);
  for(int i=0; i < NEvents; i++){
    if(!_noPrintout){
        int printEvery  = 10000;
        //if(i < 1000) printEvery=100;
        bool printout = ( i%printEvery == 0 || i < 1);
        if(dbThis || printout){
            cout << "BaseGenerator::FillEventList (memory resident)" << endl;
            cout << " about to make event number " << i << endl;
            cout << "   current list size " << evtList.size() << endl;
            double dt = difftime(time(0), t0);
            cout << "     this took " << dt << "s" << endl;
            if(dt > 0) cout << "     or " << evtList.size()/dt << "evt/s" << endl;
        }
    }
    //    counted_ptr<IDalitzEvent> evt = newEvent();
    if(dbThis) cout << " got new event, now adding it" << endl;
    //    evtList.Add(counted_ptr<DalitzEvent>(new DalitzEvent(evt.get()))); // this is a bit silly - will fix later
    counted_ptr<IDalitzEvent> evtPtr(newEvent());
    DalitzEvent evt(evtPtr.get());
    evtList.Add(evt);
    if(dbThis){
      cout << "BaseGenerator::FillEventList (memory resident)" <<endl;
      cout << "After adding this event to the event list:\n " << evt << endl;
      cout << ".... the last event in the list is:\n " 
       << evtList[evtList.size()-1] << endl;
      cout << "are they the same?" << endl;
    }

  }
}

FillEventList() [2/2]

void BaseGenerator::FillEventList	(	DiskResidentEventList &	evtList,
		int	NEvents
	)

Definition at line 85 of file BaseGenerator.cpp.

                                                                            {
  bool dbThis=false;
  if(dbThis) cout << "BaseGenerator::FillEventList (dr) called" << endl;
  time_t t0 = time(0);
  for(int i=0; i < NEvents; i++){
    if(!_noPrintout){
        int printEvery  = 10000;
        //if(i < 1000) printEvery=100;
        bool printout = ( i%printEvery == 0 || i < 1);
        if(dbThis || printout){
            cout << "BaseGenerator::FillEventList (disk resident)" << endl;
            cout << " about to make event number " << i << endl;
            cout << "   current list size " << evtList.size() << endl;
            double dt = difftime(time(0), t0);
            cout << "     this took " << dt << "s" << endl;
            if(dt > 0) cout << "     or " << evtList.size()/dt << "evt/s" << endl;
    }
    }
    counted_ptr<IDalitzEvent> evtPtr(newEvent());
    DalitzEvent evt(evtPtr.get());
    evtList.Add(evt);
    if(dbThis){
      cout << "BaseGenerator::FillEventList (disk resident)" <<endl;
      cout << "After adding this event to the event list:\n " << evt << endl;
      cout << ".... the last event in the list is:\n " 
       << evtList.getEvent(evtList.size()-1) << endl;
      cout << "are they the same?" << endl;
    }
  }
}

mothers3Momentum()

TVector3 BaseGenerator::mothers3Momentum ( ) const

protected

Definition at line 51 of file BaseGenerator.cpp.

                                              {
  if(mothers3MomentumIsSet()){
    double p, cT, phi;
    if(0 != _mums_p) p = _mums_p->RealVal();
    else p=0;
    if(0 != _mums_cosTheta) cT = _mums_cosTheta->RealVal();
    else cT = _rnd->Rndm()*2.0 - 1.0;
    if(0 != _mums_phi) phi = _mums_phi->RealVal();
    else phi = _rnd->Rndm()*2.0*pi;
    
    double sT2 = 1.0 - cT*cT;
    double sT;
    if(sT2 < 0) sT=0;
    else sT = sqrt(sT2);

    TVector3 v(p*cos(phi)*sT, p*sin(phi)*sT, p*cT);

    return v;
  }else{
    TVector3 v(0,0,0);
    return v;
  }
}

mothers3MomentumIsSet()

bool BaseGenerator::mothers3MomentumIsSet

(

)

const

Definition at line 47 of file BaseGenerator.cpp.

                                               {
  return (0 != _mums_p);
}

newEvent()

virtual MINT::counted_ptr<IDalitzEvent> BaseGenerator::newEvent ( )

pure virtual

Implements MINT::IEventGenerator< IDalitzEvent >.

Implemented in SignalGenerator, FromFileGenerator, and FoamDalitzMC.

noPrintout()

void BaseGenerator::noPrintout ( )

inline

Definition at line 73 of file BaseGenerator.h.

{_noPrintout=true;}  

saveEvents()

bool BaseGenerator::saveEvents ( )

inlineprotected

Definition at line 34 of file BaseGenerator.h.

{return 0 != _evtList;}

setMothers3Momentum()

void BaseGenerator::setMothers3Momentum	(	MINT::counted_ptr< MINT::IReturnReal >	p,
		MINT::counted_ptr< MINT::IReturnReal >	cosTheta = (MINT::counted_ptr<MINT::IReturnReal>)0,
		MINT::counted_ptr< MINT::IReturnReal >	phi = (MINT::counted_ptr<MINT::IReturnReal>)0
	)

Definition at line 35 of file BaseGenerator.cpp.

                     {
  _mums_p = p;
  _mums_cosTheta = cosTheta;
  _mums_phi = phi;
}

setSaveEvents()

void BaseGenerator::setSaveEvents	(	const std::string &	fname = "GeneratorEvents.root",
		const std::string &	opt = "RECREATE"
	)

Definition at line 75 of file BaseGenerator.cpp.

                                         {
  _evtList = 
    counted_ptr<DiskResidentEventList>(new DiskResidentEventList(fname, opt));
}

setUnweighted()

void BaseGenerator::setUnweighted ( bool  uw = true )

inline

Definition at line 61 of file BaseGenerator.h.

{_unWeighted = uw;}

setWeighted()

void BaseGenerator::setWeighted ( bool  w = true )

inline

Definition at line 62 of file BaseGenerator.h.

{_unWeighted = ! w;}

unsetMothers3Momentum()

void BaseGenerator::unsetMothers3Momentum

(

)

Definition at line 43 of file BaseGenerator.cpp.

                                         {
  _mums_p = _mums_cosTheta = _mums_phi = counted_ptr<IReturnReal>(0);
}

Member Data Documentation

_evtList

MINT::counted_ptr<DiskResidentEventList> BaseGenerator::_evtList

protected

Definition at line 31 of file BaseGenerator.h.

_fname

std::string BaseGenerator::_fname

protected

Definition at line 29 of file BaseGenerator.h.

_mums_cosTheta

MINT::counted_ptr<MINT::IReturnReal> BaseGenerator::_mums_cosTheta

protected

Definition at line 40 of file BaseGenerator.h.

_mums_p

MINT::counted_ptr<MINT::IReturnReal> BaseGenerator::_mums_p

protected

Definition at line 39 of file BaseGenerator.h.

_mums_phi

MINT::counted_ptr<MINT::IReturnReal> BaseGenerator::_mums_phi

protected

Definition at line 41 of file BaseGenerator.h.

_noPrintout

bool BaseGenerator::_noPrintout

protected

Definition at line 32 of file BaseGenerator.h.

_rnd

TRandom* BaseGenerator::_rnd

protected

Definition at line 37 of file BaseGenerator.h.

_unWeighted

bool BaseGenerator::_unWeighted

protected

Definition at line 30 of file BaseGenerator.h.

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The documentation for this class was generated from the following files:

• Mint/BaseGenerator.h
• src/Mojito/DalitzEventGeneration/BaseGenerator.cpp