// Alberto Pulvirenti (alberto.pulvirenti@ct.infn.it)
//
+#include "AliESDtrackCuts.h"
+#include "AliAODpidUtil.h"
#include "AliAnalysisManager.h"
#include "AliESDInputHandler.h"
+#include "AliRsnDaughter.h"
+
#include "AliRsnCutPIDITS.h"
ClassImp(AliRsnCutPIDITS)
//_________________________________________________________________________________________________
AliRsnCutPIDITS::AliRsnCutPIDITS
(const char *name, AliPID::EParticleType ref, Double_t min, Double_t max, Bool_t rejectOutside) :
- AliRsnCut(name, AliRsnCut::kDaughter, min, max),
- fInitialized(kFALSE),
- fRejectOutside(rejectOutside),
- fMomMin(0.0),
- fMomMax(1E+20),
- fRefType(ref),
- fESDpid(),
- fAODpid()
+ AliRsnCut(name, AliRsnCut::kDaughter, min, max),
+ fIsMC(kFALSE),
+ fRejectOutside(rejectOutside),
+ fMomMin(0.0),
+ fMomMax(1E+20),
+ fRefType(ref),
+ fESDpid(),
+ fAODpid()
{
//
// Main constructor.
//_________________________________________________________________________________________________
AliRsnCutPIDITS::AliRsnCutPIDITS
(const AliRsnCutPIDITS& copy) :
- AliRsnCut(copy),
- fInitialized(kFALSE),
- fRejectOutside(copy.fRejectOutside),
- fMomMin(copy.fMomMin),
- fMomMax(copy.fMomMax),
- fRefType(copy.fRefType),
- fESDpid(copy.fESDpid),
- fAODpid(copy.fAODpid)
+ AliRsnCut(copy),
+ fIsMC(copy.fIsMC),
+ fRejectOutside(copy.fRejectOutside),
+ fMomMin(copy.fMomMin),
+ fMomMax(copy.fMomMax),
+ fRefType(copy.fRefType),
+ fESDpid(copy.fESDpid),
+ fAODpid(copy.fAODpid)
{
//
// Copy constructor.
// Assignment operator
//
- AliRsnCut::operator=(copy);
-
- fInitialized = kFALSE;
- fRejectOutside = copy.fRejectOutside;
- fMomMin = copy.fMomMin;
- fMomMax = copy.fMomMax;
- fRefType = copy.fRefType;
- fESDpid = copy.fESDpid;
- fAODpid = copy.fAODpid;
-
- return (*this);
-}
+ AliRsnCut::operator=(copy);
-//_________________________________________________________________________________________________
-void AliRsnCutPIDITS::SetMC(Bool_t yn)
-{
-//
-// Properly set the PID response
-//
+ fIsMC = copy.fIsMC;
+ fRejectOutside = copy.fRejectOutside;
+ fMomMin = copy.fMomMin;
+ fMomMax = copy.fMomMax;
+ fRefType = copy.fRefType;
+ fESDpid = copy.fESDpid;
+ fAODpid = copy.fAODpid;
- AliITSPIDResponse itsresponse(yn);
-
- fESDpid.GetITSResponse() = itsresponse;
- fAODpid.GetITSResponse() = itsresponse;
+ return (*this);
}
//_________________________________________________________________________________________________
// Cut checker.
//
- // initialize if needed
- if (!fInitialized) Initialize();
-
- // coherence check
- if (!TargetOK(object)) return kFALSE;
-
- // reject not ITS tracks
- // status is checked in the same way for all tracks
- AliVTrack *vtrack = dynamic_cast<AliVTrack*>(fDaughter->GetRef());
- if (!vtrack)
- {
- AliDebug(AliLog::kDebug + 2, Form("Impossible to process an object of type '%s'. Cut applicable only to ESD/AOD tracks", fDaughter->GetRef()->ClassName()));
- return kFALSE;
- }
-
- // check status, to know it track is an ITS+TPC or ITS standalone
- // and reject it if it is of none of them
- Bool_t isSA = kFALSE;
- if (IsTPC(vtrack)) isSA = kFALSE;
- else if (IsSA(vtrack)) isSA = kTRUE;
- else
- {
- AliDebug(AliLog::kDebug + 2, "Status flags unmatched");
- return kFALSE;
- }
-
- // common evaluation variables
- Int_t k, nITSpidLayers = 0;
- Double_t mom = vtrack->P();
- AliESDtrack *esdTrack = fDaughter->GetRefESDtrack();
- AliAODTrack *aodTrack = fDaughter->GetRefAODtrack();
-
- // check momentum
- if (mom < fMomMin || mom > fMomMax)
- {
- AliDebug(AliLog::kDebug + 2, Form("Track momentum = %.5f, outside allowed range", mom));
- return (!fRejectOutside);
- }
-
- // count number of PID layers...
- if (esdTrack)
- {
- UChar_t itsCluMap = esdTrack->GetITSClusterMap();
- for(k = 2; k < 6; k++) if(itsCluMap & (1 << k)) ++nITSpidLayers;
- }
- else if (aodTrack)
- {
- for(k = 2; k < 6; k++) if (TESTBIT(aodTrack->GetITSClusterMap(), k)) ++nITSpidLayers;
- }
- else
- {
- AliDebug(AliLog::kDebug + 2, Form("Impossible to process an object of type '%s'. Cut applicable only to ESD/AOD tracks", fDaughter->GetRef()->ClassName()));
- return kFALSE;
- }
- // ...and reject tracks where it is smaller than 3
- if (nITSpidLayers < 3)
- {
- AliDebug(AliLog::kDebug+2, "Rejecting track with too few ITS pid layers");
- return kFALSE;
- }
-
- // assign PID nsigmas to default cut check value
- // since bad object types are rejected before, here we have an ESD track or AOD track
- if (esdTrack)
- fCutValueD = fESDpid.GetITSResponse().GetNumberOfSigmas(mom, esdTrack->GetITSsignal(), fRefType, nITSpidLayers, isSA);
- else
- fCutValueD = fAODpid.NumberOfSigmasITS(aodTrack, fRefType);
-
- // use default cut checking method
- return OkRangeD();
+ // coherence check
+ if (!TargetOK(object)) return kFALSE;
+
+ // reject not ITS tracks
+ // status is checked in the same way for all tracks
+ AliVTrack *vtrack = fDaughter->Ref2Vtrack();
+ if (!vtrack) {
+ AliDebug(AliLog::kDebug + 2, Form("Impossible to process an object of type '%s'. Cut applicable only to ESD/AOD tracks", fDaughter->GetRef()->ClassName()));
+ return kFALSE;
+ }
+
+ // check status, to know it track is an ITS+TPC or ITS standalone
+ // and reject it if it is of none of them
+ Bool_t isSA = kFALSE;
+ if (IsTPC(vtrack)) isSA = kFALSE;
+ else if (IsSA(vtrack)) isSA = kTRUE;
+ else {
+ AliDebug(AliLog::kDebug + 2, "Status flags unmatched");
+ return kFALSE;
+ }
+
+ // common evaluation variables
+ Int_t k, nITSpidLayers = 0;
+ Double_t mom = vtrack->P();
+ AliESDtrack *esdTrack = fDaughter->Ref2ESDtrack();
+ AliAODTrack *aodTrack = fDaughter->Ref2AODtrack();
+
+ // count number of PID layers...
+ if (esdTrack) {
+ UChar_t itsCluMap = esdTrack->GetITSClusterMap();
+ for (k = 2; k < 6; k++) if (itsCluMap & (1 << k)) ++nITSpidLayers;
+ } else if (aodTrack) {
+ for (k = 2; k < 6; k++) if (TESTBIT(aodTrack->GetITSClusterMap(), k)) ++nITSpidLayers;
+ } else {
+ AliDebug(AliLog::kDebug + 2, Form("Impossible to process an object of type '%s'. Cut applicable only to ESD/AOD tracks", fDaughter->GetRef()->ClassName()));
+ return kFALSE;
+ }
+ // ...and reject tracks where it is smaller than 3
+ if (nITSpidLayers < 3) {
+ AliDebug(AliLog::kDebug + 2, "Rejecting track with too few ITS pid layers");
+ return kFALSE;
+ }
+
+ // assign PID nsigmas to default cut check value
+ // since bad object types are rejected before, here we have an ESD track or AOD track
+ if (esdTrack) {
+ if (!fESDpid) fESDpid = new AliESDpid(fIsMC);
+ fCutValueD = fESDpid->GetITSResponse().GetNumberOfSigmas(mom, esdTrack->GetITSsignal(), fRefType, nITSpidLayers, isSA);
+ } else {
+ if (!fAODpid) fAODpid = new AliAODpidUtil(fIsMC);
+ fCutValueD = fAODpid->NumberOfSigmasITS(aodTrack, fRefType);
+ }
+
+ // use AliRsnCut default method to check cut
+ Bool_t cutCheck = OkRangeD();
+
+ // now check the momentum:
+ // -- if it stays inside the accepted range, track just checked
+ // with respect to the nsigma band
+ // -- if it stays outside the accepted range and 'fRejectOutside' is kTRUE,
+ // track is always rejected, while if 'fRejectOutside' is kFALSE,
+ // track is accepted if it stays inside the nsigma band
+ if ((mom >= fMomMin && mom <= fMomMax))
+ return cutCheck;
+ else {
+ AliDebug(AliLog::kDebug + 2, Form("Track momentum = %.5f, outside allowed range", mom));
+ return ((!fRejectOutside) && cutCheck);
+ }
}
//_________________________________________________________________________________________________
// Print information on this cut
//
- AliInfo(Form("Cut name : %s", GetName()));
- AliInfo(Form("--> cut range (nsigma) : %.3f %.3f", fMinD, fMaxD));
- AliInfo(Form("--> momentum range : %.3f %.3f", fMomMin, fMomMax));
- AliInfo(Form("--> tracks outside range are: %s", (fRejectOutside ? "rejected" : "accepted")));
-}
-
-//_________________________________________________________________________________________________
-void AliRsnCutPIDITS::Initialize()
-{
-//
-// Initialize ESD pid object from global one
-//
-
- AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
- AliESDInputHandler *handler = dynamic_cast<AliESDInputHandler*>(mgr->GetInputEventHandler());
- if (handler)
- {
- AliESDpid *pid = handler->GetESDpid();
- fESDpid = (*pid);
- }
-
- fInitialized = kTRUE;
+ AliInfo(Form("Cut name : %s", GetName()));
+ AliInfo(Form("--> cut range (nsigma) : %.3f %.3f", fMinD, fMaxD));
+ AliInfo(Form("--> momentum range : %.3f %.3f", fMomMin, fMomMax));
+ AliInfo(Form("--> tracks outside range are: %s", (fRejectOutside ? "rejected" : "accepted")));
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff