1 #ifndef ALIANALYSISHELPERJETTASKS_H
2 #define ALIANALYSISHELPERJETTASKS_H
10 class AliGenPythiaEventHeader;
12 class AliGenEventHeader;
14 // Helper Class that contains a lot of usefull static functions (i.e. for Flavor selection.
16 class AliAnalysisHelperJetTasks : public TObject {
18 AliAnalysisHelperJetTasks() : TObject() {;}
19 virtual ~AliAnalysisHelperJetTasks(){;}
22 enum {kMaxJets = 6}; // needed for array size not to fragemnt memory on the heap by many new/delete
33 kPhysicsSelection = 1<<8,
40 kTotalSelections = (1<<15) - 1};
42 enum Trigger {kAcceptAll = 0,kMB1,kMB2,kMB3,kSPDGFO,kTrigger}; //
43 // same as in PWG0Helper
44 enum MCProcessType { kInvalidProcess = -1, kND = 0x1, kDD = 0x2, kSD = 0x4, kOnePart = 0x8 };
46 static AliGenPythiaEventHeader* GetPythiaEventHeader(AliMCEvent *mcEvent);
47 static void PrintStack(AliMCEvent *mcEvent,Int_t iFirst = 0,Int_t iLast = 0,Int_t iMaxPrint = 10);
48 static void GetClosestJets(AliAODJet *genJets,
49 const Int_t &kGenJets,
51 const Int_t &kRecJets,
54 Int_t iDebug = 0, Float_t maxDist = 0.3);
56 static void GetClosestJets(TList *genJetsList,const Int_t &kGenJets,
57 TList *recJetsList,const Int_t &kRecJets,
58 TArrayI &iGenIndex,TArrayI &iRecIndex,
59 Int_t iDebug = 0,Float_t maxDist = 0.3);
62 static void MergeOutputDirs(const char* cFiles,const char* cPattern,const char *cOutFile,Bool_t bUpdate = false); // merges all directories containing the pattern
64 static void MergeOutput(char* cFiles, char* cDir = "",char *cList = "",char* cOutFile ="allpt.root",Bool_t bUpdate = false); // Merges the files in the input text file needs the two histograms fh1PtHard_Trials, fh1Xsec and the name of the input list
65 static Bool_t PythiaInfoFromFile(const char* currFile,Float_t &fXsec,Float_t &fTrials);// get the cross section and the trails either from pyxsec.root or from pysec_hists.root
66 static Bool_t PrintDirectorySize(const char* currFile); // print the size of the output on a given file
67 static Bool_t GetEventShapes(TVector3 &n01, TVector3 * pTrack, Int_t nTracks, Double_t * eventShapes);
69 static MCProcessType GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE);
70 static MCProcessType GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE);
71 static Int_t GetLastProcessType() { return fgLastProcessType; }
73 static Bool_t Selected(Bool_t bSet = kFALSE,Bool_t bNew = kTRUE); // static function to store the state of selection from service task
75 static Bool_t IsPileUp(); // Wrapper for SelectInfo with PileUp
76 static Bool_t IsCosmic(); // Wrapper for SelectInfo with cosmic
77 static Bool_t TestSelectInfo(UInt_t iMask); // Wrapper for testing the SelectInfo bitmask
78 static Bool_t TestEventClass(Int_t iClass); // Wrapper for testing the SelectInfo bitmask
80 static UInt_t SelectInfo(Bool_t bSet = kFALSE,UInt_t iNew = 0); // static function to store the state bitmask of the selection from service task
81 static Int_t EventClass(Bool_t bSet = kFALSE,Int_t iNew = 0); // static function to store the event class of the selection from service task
83 // these methods have been essentially copied from PWG0/AliTriggerAnalysis and expanded to use with AOD
84 static Bool_t IsTriggerFired(const AliVEvent* aEsd, Trigger trigger);
88 static Int_t fgLastProcessType; // stores the raw value of the last process type extracted
90 ClassDef(AliAnalysisHelperJetTasks, 4)
93 #endif // ALIANALYSISHELPERJETTASKS_H