/home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/DQA/DQADtagAlg/DQADtagAlg-00-00-13/DQADtagAlg/util/MyUtil.h File Reference

#include "GaudiKernel/NTuple.h"
#include "CLHEP/Vector/LorentzVector.h"
#include "EmcRecEventModel/RecEmcShower.h"

Go to the source code of this file.

Functions
void	fill (NTuple::Array< double > &nt_p4, const HepLorentzVector &p4)
void	fill (NTuple::Matrix< double > &nt_p4, const HepLorentzVector &p4, int i)
HepLorentzVector	getP4 (RecEmcShower *gtrk)

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Function Documentation

void fill	(	NTuple::Matrix< double > &	nt_p4,
		const HepLorentzVector &	p4,
		int	i
	)

Definition at line 10 of file MyUtil.cxx.

                                                                          {
   nt_p4[i][0] = p4.x();
   nt_p4[i][1] = p4.y();
   nt_p4[i][2] = p4.z();
   nt_p4[i][3] = p4.e();
}

void fill	(	NTuple::Array< double > &	nt_p4,
		const HepLorentzVector &	p4
	)

Definition at line 3 of file MyUtil.cxx.

Referenced by MdcHitMapGuts::clear(), DQADtag::execute(), dchain::CombinatoricList< CandidateClass >::fill(), and TrkRecoTrk::setRep().

                                                                  {
   nt_p4[0] = p4.x();
   nt_p4[1] = p4.y();
   nt_p4[2] = p4.z();
   nt_p4[3] = p4.e();
}

HepLorentzVector getP4

(

RecEmcShower *

gtrk

)

Definition at line 16 of file MyUtil.cxx.

References cos(), DstEmcShower::energy(), DstEmcShower::phi(), sin(), and DstEmcShower::theta().

Referenced by Pi0::make_pi0_list(), high_momentum::operator()(), and Pi0::Pi0ListToTDS().

                                           {
   double eraw = gtrk->energy();
   double phi  = gtrk->phi();
   double the  = gtrk->theta();

   double pxy  = eraw * sin(the);

   HepLorentzVector ptrk( pxy  * cos(phi),
                          pxy  * sin(phi),
                          eraw * cos(the),
                          eraw );

   return ptrk;
}

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