// M. Vala (email: martin.vala@cern.ch)
//
+#include <Riostream.h>
#include <TList.h>
#include "AliLog.h"
+#include "AliRsnMother.h"
#include "AliRsnEvent.h"
#include "AliRsnFunction.h"
-#include "AliRsnPIDIndex.h"
-#include "AliRsnCutMgr.h"
+#include "AliRsnCutSet.h"
#include "AliRsnCutStd.h"
+#include "AliRsnValue.h"
+#include "AliRsnCutManager.h"
#include "AliRsnPair.h"
ClassImp(AliRsnPair)
//_____________________________________________________________________________
-AliRsnPair::AliRsnPair(EPairType type, AliRsnPairDef *def) :
- TObject(),
- fOnlyTrue(kFALSE),
- fIsMixed(kFALSE),
- fPairType(type),
- fPIDMethod(AliRsnDaughter::kRealistic),
- fPairDef(def),
- fCutMgr(0),
- fFunctions("AliRsnFunction", 0),
- fTrack1(),
- fTrack2(),
- fPairParticle()
+AliRsnPair::AliRsnPair(const char *name, AliRsnPairDef *def) :
+ TNamed(name, ""),
+ fOnlyTrue(kFALSE),
+ fCheckDecay(kFALSE),
+ fIsMixed(kFALSE),
+ fPairDef(def),
+ fCutManager(),
+ fMother(),
+ fEvent(0x0)
{
//
// Default constructor
//
+
AliDebug(AliLog::kDebug+2,"<-");
AliDebug(AliLog::kDebug+2,"->");
- SetUp(type);
}
+
//_____________________________________________________________________________
-AliRsnPair::~AliRsnPair()
+AliRsnPair::AliRsnPair(const AliRsnPair& copy) :
+ TNamed(copy),
+ fOnlyTrue(copy.fOnlyTrue),
+ fCheckDecay(copy.fCheckDecay),
+ fIsMixed(copy.fIsMixed),
+ fPairDef(copy.fPairDef),
+ fCutManager(copy.fCutManager),
+ fMother(copy.fMother),
+ fEvent(0x0)
{
//
-// Destructor
+// Default constructor
//
+
AliDebug(AliLog::kDebug+2,"<-");
AliDebug(AliLog::kDebug+2,"->");
}
//_____________________________________________________________________________
-void AliRsnPair::SetUp(EPairType type)
+AliRsnPair& AliRsnPair::operator=(const AliRsnPair& copy)
{
-//
-// Sets up flag values by the pair types
-//
- AliDebug(AliLog::kDebug+2,"<-");
- switch (type) {
- case kNoPID:
- SetAllFlags(AliRsnDaughter::kNoPID, kFALSE);
- break;
- case kNoPIDMix:
- SetAllFlags(AliRsnDaughter::kNoPID, kTRUE);
- break;
- case kRealisticPID:
- SetAllFlags(AliRsnDaughter::kRealistic, kFALSE);
- break;
- case kRealisticPIDMix:
- SetAllFlags(AliRsnDaughter::kRealistic, kTRUE);
- break;
- case kPerfectPID:
- SetAllFlags(AliRsnDaughter::kPerfect, kFALSE);
- break;
- case kPerfectPIDMix:
- SetAllFlags(AliRsnDaughter::kPerfect, kTRUE);
- break;
- default :
- AliWarning("Wrong type selected: setting up for realistic PID - no mixing.");
- SetAllFlags(AliRsnDaughter::kRealistic, kFALSE);
- break;
- }
- AliDebug(AliLog::kDebug+2,"->");
+ fOnlyTrue = copy.fOnlyTrue;
+ fCheckDecay = copy.fCheckDecay;
+ fIsMixed = copy.fIsMixed;
+ fPairDef = copy.fPairDef;
+ fMother = copy.fMother;
+ fCutManager = copy.fCutManager;
+ fEvent = 0x0;
+
+ return (*this);
}
//_____________________________________________________________________________
-void AliRsnPair::Print(Option_t* /*option*/) const
+AliRsnPair::~AliRsnPair()
{
//
-// Prints info about pair
+// Destructor
//
- AliDebug(AliLog::kDebug+2,"<-");
- AliInfo(Form("%s", GetPairHistTitle(0x0).Data()));
- AliInfo(Form("PDG %d %d", AliPID::ParticleCode(fPairDef->GetType(0)),
- AliPID::ParticleCode(fPairDef->GetType(1))));
- AliInfo(Form("Masses %f %f", fPairDef->GetMass(0), fPairDef->GetMass(1)));
- AliInfo(Form("Number of functions %d", fFunctions.GetEntries()));
- switch (fPIDMethod) {
- case AliRsnDaughter::kNoPID:
- AliInfo("PID method: none");
- break;
- case AliRsnDaughter::kRealistic:
- AliInfo("PID method: realistic");
- break;
- case AliRsnDaughter::kPerfect:
- AliInfo("PID method: perfect");
- break;
- default:
- AliInfo("PID method: undefined");
- }
+ AliDebug(AliLog::kDebug+2,"<-");
AliDebug(AliLog::kDebug+2,"->");
}
//_____________________________________________________________________________
-void AliRsnPair::LoopPair(AliRsnPIDIndex *const pidIndex1, AliRsnEvent *const ev1, AliRsnPIDIndex *const pidIndex2, AliRsnEvent *const ev2)
+void AliRsnPair::Print(Option_t* /*option*/) const
{
//
-// Prepare the loop for computation of functions.
-// Each PIDIndex is used to retrieve the appropriate array of indexes
-// of the tracks to be used in each event.
-// In case of single-event analysis, only the first two arguments are used
-// and both arrays are taken from the same PIDIndex and will loop on the same event
-// In case of mixing, all arguments are used, and first set of tracks will be found
-// in the first event with the first PIDIndex, and the second set of tracks will
-// be found in second event with second PIDIndex.
+// Prints info about pair
//
AliDebug(AliLog::kDebug+2,"<-");
-
- TArrayI *a1 = 0;
- TArrayI *a2 = 0;
-
- if (fPIDMethod == AliRsnDaughter::kNoPID) {
- AliDebug(AliLog::kDebug+2, Form("Returning indexes of with NO PID (%d) ...", fPIDMethod));
- a1 = pidIndex1->GetTracksArray(fPIDMethod, fPairDef->GetCharge(0), AliPID::kUnknown);
- if (pidIndex2 && ev2)
- a2 = pidIndex2->GetTracksArray(fPIDMethod, fPairDef->GetCharge(1), AliPID::kUnknown);
- else
- a2 = pidIndex1->GetTracksArray(fPIDMethod, fPairDef->GetCharge(1), AliPID::kUnknown);
- } else {
- AliDebug(AliLog::kDebug+2, Form("Returning indexes of with PID (%d) ...", fPIDMethod));
- a1 = pidIndex1->GetTracksArray(fPIDMethod,fPairDef->GetCharge(0), (AliPID::EParticleType)fPairDef->GetType(0));
- if (pidIndex2 && ev2)
- a2 = pidIndex2->GetTracksArray(fPIDMethod, fPairDef->GetCharge(1), (AliPID::EParticleType)fPairDef->GetType(1));
- else
- a2 = pidIndex1->GetTracksArray(fPIDMethod, fPairDef->GetCharge(1), (AliPID::EParticleType)fPairDef->GetType(1));
- }
-
- LoopPair(a1, a2, ev1, ev2);
+ AliInfo(Form("PDG %d %d", AliPID::ParticleCode(fPairDef->GetPID(0)), AliPID::ParticleCode(fPairDef->GetPID(1))));
+ AliInfo(Form("Masses %f %f", fPairDef->GetMass(0), fPairDef->GetMass(1)));
AliDebug(AliLog::kDebug+2,"->");
}
//_____________________________________________________________________________
-void AliRsnPair::LoopPair(TArrayI *a1, TArrayI *a2, AliRsnEvent *ev1, AliRsnEvent *ev2)
+Bool_t AliRsnPair::Fill
+(AliRsnDaughter *daughter0, AliRsnDaughter *daughter1, AliRsnEvent *ev0, AliRsnEvent *ev1)
{
//
-// Loop on all pairs of tracks of the defined types/charges,
-// using the arrays of indexes and the events containing them.
-// This method is private, for safety reasons.
+// Sets the two passed daughters to the AliRsnMother data member of this object
+// which is used to perform all computations to fill the value list.
+// This operation is done successfully only when the first passed object matches
+// the required object type (track/V0) and the required charge for first element in pair def,
+// and the second passed object does the same w.r. to the second element in pair def.
+// Moreover, all cuts are checked and the operation fails if a cut check is unsuccessful.
+// Finally, if a true pair is required, this is checked at the end.
//
- AliDebug(AliLog::kDebug+2,"<-");
- if (!ev1) {AliError(Form("ev1 is %p. skipping LoopPair() ...",ev1))return;}
- AliDebug(AliLog::kDebug+1,"ev1 is OK ...");
-
- if (!ev2) {
- if (fIsMixed) {
- AliDebug(AliLog::kDebug+1, "ev2 is null and fIsMixed is true. Skipping ...");
- return;
- }
- ev2 = ev1;
+ AliDebug(AliLog::kDebug+2,"<-");
+
+ // first of all, compute the 4-momenta of the daughters
+ // and that of the mother, according to current pair def
+ // this could be needed for some cuts
+ fMother.SetDaughters(daughter0, fPairDef->GetMass(0), daughter1, fPairDef->GetMass(1));
+
+ // check for correct type-charge match for first element
+ if (daughter0->RefType() != fPairDef->GetDaughterType(0)) return kFALSE;
+ if (daughter0->ChargeChar() != fPairDef->GetCharge(0)) return kFALSE;
+
+ // check for correct type-charge match for second element
+ if (daughter1->RefType() != fPairDef->GetDaughterType(1)) return kFALSE;
+ if (daughter1->ChargeChar() != fPairDef->GetCharge(1)) return kFALSE;
+
+ // cuts on track #1 & common
+ fCutManager.SetEvent(ev0);
+ if (!fCutManager.PassDaughter1Cuts(daughter0))
+ {
+ AliDebug(AliLog::kDebug+2, "Specific cuts for track #1 not passed");
+ return kFALSE;
}
-
- if (!a1) {AliDebug(AliLog::kDebug+1, "No TArrayI 1 from currentEvent->GetTracksArray(...)"); return;}
- if (!a2) {AliDebug(AliLog::kDebug+1, "No TArrayI 2 from currentEvent->GetTracksArray(...)"); return;}
-
- AliDebug(AliLog::kDebug+1,Form("a1=%d a2=%d",a1->GetSize(),a2->GetSize()));
- if (a1->GetSize()<=0) {AliDebug(AliLog::kDebug+1, "Size of TArrayI 1 is 0 or less ..."); return;}
- if (a2->GetSize()<=0) {AliDebug(AliLog::kDebug+1, "Size of TArrayI 2 is 0 or less ..."); return;}
-
- AliDebug(AliLog::kDebug,Form("Indexes_a1=%d Indexes_a2=%d",a1->GetSize(),a2->GetSize()));
-
- // cuts on events
- if (!CutPass(ev1) || !CutPass(ev2)) return;
- AliDebug(AliLog::kDebug+1,"Event cut passed...");
- AliRsnDaughter::SetPIDMethod(fPIDMethod);
- AliRsnFunction *fcn = 0;
-
- Bool_t isLikeSign = fPairDef->IsLikeSign();
- Int_t j, startj = 0;
-
- for (Int_t i = 0; i < a1->GetSize(); i++) {
- // get track #1
- ev1->SetDaughter(fTrack1, a1->At(i));
- if (!fTrack1.IsOK()) continue;
- // assign the required PID type to track #1
- fTrack1.SetRequiredPID(fPairDef->GetType(0));
- AliDebug(AliLog::kDebug+1,"daughter1 is OK ...");
- // cuts on track #1
- if (!CutPass(&fTrack1)) continue;
- AliDebug(AliLog::kDebug+1,"daughter1 cut passed ...");
- // check starting index for searching the event:
- // for like-sign pairs we avoid duplicating the pairs
- if (isLikeSign) startj = i+1; else startj = 0;
- // loop on event for all track #2 to be combined with the found track #1
- for (j = startj; j < a2->GetSize(); j++) {
- ev2->SetDaughter(fTrack2, a2->At(j));
- if (!fTrack2.IsOK()) continue;
- AliDebug(AliLog::kDebug+1,"daughter2 is OK ...");
- // assign the required PID type to track #2
- fTrack2.SetRequiredPID(fPairDef->GetType(1));
- // cuts on track #2
- if (!CutPass(&fTrack2)) continue;
- AliDebug(AliLog::kDebug+1,"daughter2 cut passed ...");
- // make pair
- fPairParticle.SetPair(&fTrack1, &fTrack2);
- // in case of request, check that it is true pair
- if (fOnlyTrue)
- {
- if (fPairParticle.CommonMother() != fPairDef->GetMotherPDG()) continue;
- if (fPairParticle.GetDaughter(0)->PerfectPID() != fPairDef->GetType(0)) continue;
- if (fPairParticle.GetDaughter(1)->PerfectPID() != fPairDef->GetType(1)) continue;
- }
- // cuts on pair
- if (!CutPass(&fPairParticle)) continue;
- AliDebug(AliLog::kDebug+1, "pairParticle cut passed");
-
- if (AliLog::GetDebugLevel("",GetName()) == AliLog::kDebug)
- fPairParticle.PrintInfo();
-
- // fill all histograms
- TObjArrayIter nextFcn(&fFunctions);
- while ((fcn = (AliRsnFunction*)nextFcn())) {
- fcn->SetPairDef(fPairDef);
- fcn->SetPair(&fPairParticle);
- fcn->SetEvent(ev1);
- fcn->Fill();
- }
- }
+ if (!fCutManager.PassCommonDaughterCuts(daughter0))
+ {
+ AliDebug(AliLog::kDebug+2, "Common cuts for track #1 not passed");
+ return kFALSE;
}
- AliDebug(AliLog::kDebug+2,"->");
-}
-
-//_____________________________________________________________________________
-TList * AliRsnPair::GenerateHistograms(TString prefix,TList *list)
-{
-//
-// Generates needed histograms, giving them a name based on
-// the flags defined here, on the pair definition, and attaches
-// a prefix to it, according to the argument.
-//
-// All generated histograms are stored into the output TList.
-//
- AliDebug(AliLog::kDebug+2,"<-");
-// if (!list){
-// TList *list = new TList();
-// list->SetName(GetPairHistName(0x0).Data());
-// }
- Char_t hName[255], hTitle[255];
- //AliRsnFunction *fcn = 0;
- AliRsnFunction *fcn = 0;
- for (Int_t i=0;i< fFunctions.GetEntries();i++) {
- fcn = (AliRsnFunction*)fFunctions.At(i);
- sprintf(hName, "%s_%s", prefix.Data(), GetPairHistName(fcn).Data());
- sprintf(hTitle, "%s", GetPairHistTitle(fcn).Data());
- //TList *histos = fcn->Init(hName, hTitle);
- list->Add(fcn->CreateHistogram(hName, hTitle));
- //histos->Print();
- //list->Add(histos);
+
+ // cuts on track #2 & common
+ fCutManager.SetEvent(ev1);
+ if (!fCutManager.PassDaughter2Cuts(daughter1))
+ {
+ AliDebug(AliLog::kDebug+2, "Specific cuts for track #2 not passed");
+ return kFALSE;
}
-// cout << "PRINTING LIST" << endl;
-// list->Print();
- AliDebug(AliLog::kDebug+2,"->");
- return list;
-}
-
-
-
-//_____________________________________________________________________________
-TString AliRsnPair::GetPairTypeName(EPairType type) const
-{
-//
-// Returns type name, made with particle names ant chosen PID
-//
- AliDebug(AliLog::kDebug+2,"<-");
- AliDebug(AliLog::kDebug+2,"->");
- switch (type) {
- case kNoPID : return ("NOPID_");break;
- case kNoPIDMix : return ("NOPIDMIX_");break;
- case kRealisticPID : return ("REALISTIC_");break;
- case kRealisticPIDMix : return ("REALISTICMIX_");break;
- case kPerfectPID : return ("PERFECT_");break;
- case kPerfectPIDMix : return ("PERFECTMIX_");break;
- default:
- AliWarning("Unrecognized value of EPairTypeName argument");
- break;
+ if (!fCutManager.PassCommonDaughterCuts(daughter1))
+ {
+ AliDebug(AliLog::kDebug+2, "Common cuts for track #2 not passed");
+ return kFALSE;
}
-
- return "NOTYPE";
-}
-
-//_____________________________________________________________________________
-TString AliRsnPair::GetPairName() const
-{
-//
-// Retruns pair name
-//
- AliDebug(AliLog::kDebug+2,"<-");
- TString sName;
- sName += GetPairTypeName(fPairType);
- sName += fPairDef->GetPairName();
- AliDebug(AliLog::kDebug+2,"->");
- return sName;
-}
-
-//_____________________________________________________________________________
-TString AliRsnPair::GetPairHistName(AliRsnFunction *const fcn, TString text) const
-{
-//
-// Returns definitive histogram name
-//
- AliDebug(AliLog::kDebug+2,"<-");
- TString sName;
- if (fcn) {
- sName = fcn->GetName();
- sName += "_";
+
+ // point to first event as reference
+ fEvent = ev0;
+
+ // define pair & check
+ fCutManager.SetEvent(fEvent);
+ if (!fCutManager.PassMotherCuts(&fMother)) return kFALSE;
+
+ // if required a true pair, check this here and eventually return a fail message
+ if (fOnlyTrue)
+ {
+ // are we in a MonteCarlo?
+ if (!daughter0->GetParticle() || !daughter1->GetParticle()) return kFALSE;
+
+ // are the daughters really secondaries (in MC)?
+ Int_t m0 = daughter0->GetParticle()->GetFirstMother();
+ Int_t m1 = daughter1->GetParticle()->GetFirstMother();
+ if (m0 < 0 || m1 < 0) return kFALSE;
+
+ // if they are, do they come from the same mother?
+ if (m0 != m1) return kFALSE;
+
+ //cout << "Checking a true pair..." << endl;
+
+ // if they do, is this mother the correct type?
+ Int_t mpdg0 = TMath::Abs(daughter0->GetMotherPDG());
+ Int_t mpdg1 = TMath::Abs(daughter1->GetMotherPDG());
+ Int_t mpdg = TMath::Abs(fPairDef->GetMotherPDG());
+ if (mpdg0 != mpdg) return kFALSE; //{cout << "Mother of d0 is " << mpdg0 << " instead of " << mpdg << endl; return kFALSE;}
+ if (mpdg1 != mpdg) return kFALSE; //{cout << "Mother of d1 is " << mpdg1 << " instead of " << mpdg << endl; return kFALSE;}
+
+ // do they match the expected decay channel (that is, are they the expected types)?
+ if (fCheckDecay)
+ {
+ //cout << "Checking decay tree..." << endl;
+ Int_t pdg0 = TMath::Abs(daughter0->GetParticle()->GetPdgCode());
+ Int_t pdg1 = TMath::Abs(daughter1->GetParticle()->GetPdgCode());
+ if (AliPID::ParticleCode(fPairDef->GetPID(0)) != pdg0) return kFALSE; // {cout << "PDG0 is " << pdg0 << " instead of " << fPairDef->GetPID(0) << endl; return kFALSE;};
+ if (AliPID::ParticleCode(fPairDef->GetPID(1)) != pdg1) return kFALSE; // {cout << "PDG1 is " << pdg1 << " instead of " << fPairDef->GetPID(1) << endl; return kFALSE;};
+ //cout << "Decay tree accepted!" << endl;
+ }
+
+ // ok... if we arrive here that must really be a true pair! :-)
+ //cout << "Pair accepted!" << endl;
}
- sName += GetPairName();
- sName += "_";
- if (fCutMgr) sName += fCutMgr->GetName();
- sName += text;
- AliDebug(AliLog::kDebug+2,"->");
- return sName;
-}
-//_____________________________________________________________________________
-TString AliRsnPair::GetPairHistTitle(AliRsnFunction *const fcn, TString text) const
-{
-//
-// Returns definitive histogram title
-//
- AliDebug(AliLog::kDebug+2,"<-");
- TString sTitle;
- if (fcn) {
- sTitle = fcn->GetTitle();
- sTitle += " ";
- }
- sTitle += GetPairName();
- sTitle +=" ";
- if (fCutMgr) sTitle += fCutMgr->GetTitle();
- sTitle += text;
AliDebug(AliLog::kDebug+2,"->");
- return sTitle;
+
+ return kTRUE;
}
//_____________________________________________________________________________
-void AliRsnPair::AddFunction(AliRsnFunction *const fcn)
-{
-//
-// Adds a new computing function
-//
- AliDebug(AliLog::kDebug+2,"<-");
- Int_t size = fFunctions.GetEntries();
- new(fFunctions[size]) AliRsnFunction(*fcn);
- AliDebug(AliLog::kDebug+2,"->");
-}
-
-//________________________________________________________________________________________
-Bool_t AliRsnPair::CutPass(AliRsnDaughter *d)
+void AliRsnPair::Compute()
{
//
-// Check if the AliRsnDaughter argument pass its cuts.
-// If the cut data member is not initialized for it, returns kTRUE.
+// Virtual method to compute pair quantities of interest
//
- AliDebug(AliLog::kDebug+2,"<-AliRsnDaughter");
- AliDebug(AliLog::kDebug+2,"->");
- if (!fCutMgr) return kTRUE;
- else return fCutMgr->IsSelected(AliRsnCut::kParticle, d);
-}
-//________________________________________________________________________________________
-Bool_t AliRsnPair::CutPass(AliRsnPairParticle *p)
-{
-//
-// Check if the AliRsnPairParticle argument pass its cuts.
-// If the cut data member is not initialized for it, returns kTRUE.
-//
- AliDebug(AliLog::kDebug+2,"<-AliRsnPairParticle");
- AliDebug(AliLog::kDebug+2,"->");
- if (!fCutMgr) return kTRUE;
- else return fCutMgr->IsSelected(AliRsnCut::kPair, p);
+ AliWarning("Implement this method in derived classes");
}
-//________________________________________________________________________________________
-Bool_t AliRsnPair::CutPass(AliRsnEvent *e)
+//_____________________________________________________________________________
+void AliRsnPair::Init(const char* /*prefix*/, TList* /*list*/)
{
//
-// Check if the AliRsnEvent argument pass its cuts.
-// If the cut data member is not initialized for it, returns kTRUE.
+// Virtual method to compute pair quantities of interest
//
- AliDebug(AliLog::kDebug+2,"<-AliRsnEvent");
- AliDebug(AliLog::kDebug+2,"->");
- if (!fCutMgr) return kTRUE;
- else return fCutMgr->IsSelected(AliRsnCut::kEvent, e);
+ AliWarning("Implement this method in derived classes");
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff