* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-
+/* $Id$ */
//_________________________________________________________________________
-// Reconstructed Particle
-//*-- Y. Schutz: SUBATECH
-//////////////////////////////////////////////////////////////////////////////
+// A Reconstructed Particle in PHOS
+// To become a general class of AliRoot ?
+// Why should I put meaningless comments
+// just to satisfy
+// the code checker
+//
+//*-- Author: Yves Schutz (SUBATECH)
+
// --- ROOT system ---
// --- Standard library ---
-// --- AliRoot header files ---
+// --- AliRoot header files ---
#include "AliPHOSRecParticle.h"
-
-ClassImp(AliPHOSRecParticle)
-
+#include "AliPHOSGetter.h"
//____________________________________________________________________________
- AliPHOSRecParticle::AliPHOSRecParticle(AliPHOSTrackSegment * ts)
+ AliPHOSRecParticle::AliPHOSRecParticle(): fPHOSTrackSegment(0) , fDebug( kFALSE )
{
// ctor
-
- fPHOSTrackSegment = new AliPHOSTrackSegment(*ts) ;
- fE = ts->GetEnergy() ;
- TVector3 momdir = ts->GetMomentumDirection() ;
- fPx = fE * momdir.X() ;
- fPy = fE * momdir.Y() ;
- fPz = fE * momdir.Z() ;
- fType = kUNDEFINED ;
-
+ const Int_t nSPECIES = AliESDtrack::kSPECIES;
+ for(Int_t i = 0; i<nSPECIES ; i++)
+ fPID[i]=0.;
}
+
//____________________________________________________________________________
-TString AliPHOSRecParticle::Name()
+ AliPHOSRecParticle::AliPHOSRecParticle(const AliPHOSRecParticle & rp)
+ : AliPHOSFastRecParticle(rp)
{
- TString name ;
- switch (fType) {
- case kGAMMA:
- name = "PHOTON" ;
- break ;
- case kELECTRON:
- name = "ELECTRON" ;
- break ;
- case kNEUTRAL:
- name = "NEUTRAL" ;
- break ;
- case kCHARGEDHADRON:
- name = "CHARGED HADRON" ;
- break ;
- case kNEUTRALHADRON:
- name = "NEUTRAL HADRON" ;
- break ;
- case kNEUTRALEM:
- name = "NEUTRAL EM" ;
- break ;
- case kGAMMAHADRON:
- name = "PHOTON HADRON" ;
- break ;
+ // copy ctor
- }
- return name ;
+ fPHOSTrackSegment = rp.fPHOSTrackSegment ;
+ fDebug = kFALSE ;
+ fType = rp.fType ;
+ fIndexInList = rp.fIndexInList ;
+
+ fPdgCode = rp.fPdgCode;
+ fStatusCode = rp.fStatusCode;
+ fMother[0] = rp.fMother[0];
+ fMother[1] = rp.fMother[1];
+ fDaughter[0] = rp.fDaughter[0];
+ fDaughter[1] = rp.fDaughter[1];
+ fWeight = rp.fWeight;
+ fCalcMass = rp.fCalcMass;
+ fPx = rp.fPx;
+ fPy = rp.fPy;
+ fPz = rp.fPz;
+ fE = rp.fE;
+ fVx = rp.fVx;
+ fVy = rp.fVy;
+ fVz = rp.fVz;
+ fVt = rp.fVt;
+ fPolarTheta = rp.fPolarTheta;
+ fPolarPhi = rp.fPolarPhi;
+ fParticlePDG = rp.fParticlePDG;
+ const Int_t nSPECIES = AliESDtrack::kSPECIES;
+ for(Int_t i = 0; i<nSPECIES ; i++)
+ fPID[i]=rp.fPID[i];
}
//____________________________________________________________________________
-void AliPHOSRecParticle::Print()
+const Int_t AliPHOSRecParticle::GetNPrimaries() const
+{
+ return -1;
+}
+
+//____________________________________________________________________________
+const Int_t AliPHOSRecParticle::GetNPrimariesToRecParticles() const
+{
+ // Get the number of primaries at the origine of the RecParticle
+ Int_t rv = 0 ;
+ AliPHOSGetter * gime = AliPHOSGetter::Instance() ;
+ Int_t emcRPindex = dynamic_cast<AliPHOSTrackSegment*>(gime->TrackSegments()->At(GetPHOSTSIndex()))->GetEmcIndex();
+ dynamic_cast<AliPHOSEmcRecPoint*>(gime->EmcRecPoints()->At(emcRPindex))->GetPrimaries(rv) ;
+ return rv ;
+}
+
+//____________________________________________________________________________
+const TParticle * AliPHOSRecParticle::GetPrimary(Int_t index) const
{
- cout << "AliPHOSRecParticle > " << "type is " << Name() << endl
- << " " << "Energy = " << fE << endl
- << " " << "Px = " << fPx << endl
- << " " << "Py = " << fPy << endl
- << " " << "Pz = " << fPz << endl ;
+ // Get the list of primary particles at the origine of the RecParticle
+ if ( index > GetNPrimariesToRecParticles() ) {
+ if (fDebug)
+ Warning("GetPrimary", "AliPHOSRecParticle::GetPrimary -> %d is larger that the number of primaries %d",
+ index, GetNPrimaries()) ;
+ return 0 ;
+ }
+ else {
+ Int_t dummy ;
+ AliPHOSGetter * gime = AliPHOSGetter::Instance() ;
+
+ Int_t emcRPindex = dynamic_cast<AliPHOSTrackSegment*>(gime->TrackSegments()->At(GetPHOSTSIndex()))->GetEmcIndex();
+ Int_t primaryindex = dynamic_cast<AliPHOSEmcRecPoint*>(gime->EmcRecPoints()->At(emcRPindex))->GetPrimaries(dummy)[index] ;
+ return gime->Primary(primaryindex) ;
+ }
+ // return 0 ;
+}
+//____________________________________________________________________________
+const Double_t * AliPHOSRecParticle::GetPID()
+{
+ // Get the probability densities that this reconstructed particle
+ // has a type of i:
+ // i particle types
+ // ----------------------
+ // 0 electron
+ // 1 muon
+ // 2 pi+-
+ // 3 K+-
+ // 4 p/pbar
+ // 5 photon
+ // 6 pi0 at high pt
+ // 7 neutron
+ // 8 K0L
+
+
+ const Int_t nSPECIES = AliESDtrack::kSPECIES;
+ if (IsElectron() ) fPID[0] = 1.0;
+ if (IsChargedHadron()) {
+ fPID[1] = 0.25;
+ fPID[2] = 0.25;
+ fPID[3] = 0.25;
+ fPID[4] = 0.25;
+ }
+ if (IsFastChargedHadron()) {
+ fPID[1] = 0.33;
+ fPID[2] = 0.33;
+ fPID[3] = 0.33;
+ fPID[4] = 0.00;
+ }
+ if (IsSlowChargedHadron()) {
+ fPID[1] = 0.00;
+ fPID[2] = 0.00;
+ fPID[3] = 0.00;
+ fPID[4] = 1.00;
+ }
+
+ if (IsPhoton() || IsHardPhoton()) fPID[nSPECIES] =1.0;
+ if (IsHardPi0()) fPID[nSPECIES+1]=1.0;
+ if (IsFastNeutralHadron()) fPID[nSPECIES+2]=1.0;
+ if (IsSlowNeutralHadron()) fPID[nSPECIES+3]=1.0;
+
+ return fPID;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff