1 //Piotr Skowronski@cern.ch
2 //Class implemnts cut on the pair of particles
4 //more info: http://alisoft.cern.ch/people/skowron/analyzer/index.html
6 #ifndef ALIHBTPAIRCUT_H
7 #define ALIHBTPAIRCUT_H
10 #include "AliHBTParticleCut.h"
11 #include "AliHBTPair.h"
13 class AliHbtBasePairCut;
15 enum AliHBTPairCutProperty
17 kHbtPairCutPropQInv, //Q invariant
19 kHbtPairCutPropQSideCMSLC,
20 kHbtPairCutPropQOutCMSLC,
21 kHbtPairCutPropQLongCMSLC,
25 class AliHBTPairCut: public TObject
29 AliHBTPairCut(const AliHBTPairCut&);
31 virtual ~AliHBTPairCut();
32 virtual Bool_t Pass(AliHBTPair*);
34 void SetFirstPartCut(AliHBTParticleCut*); //sets the cut on the first particle
35 void SetSecondPartCut(AliHBTParticleCut*); //sets the cut on the first particle
37 void SetPartCut(AliHBTParticleCut*);//sets the the same cut on both particles
39 void AddBasePairCut(AliHbtBasePairCut*);
41 void SetQInvRange(Double_t min, Double_t max);
42 void SetKtRange(Double_t min, Double_t max);
44 AliHBTParticleCut* fFirstPartCut;
45 AliHBTParticleCut* fSecondPartCut;
47 AliHbtBasePairCut** fCuts; //!
51 AliHbtBasePairCut* FindCut(AliHBTPairCutProperty);
53 static const Int_t fkgMaxCuts;
55 ClassDef(AliHBTPairCut,1)
58 /******************************************************************/
59 /******************************************************************/
60 /******************************************************************/
62 class AliHBTEmptyPairCut: public AliHBTPairCut
64 //Empty - it passes possitively all particles - it means returns always False
65 //Class describing cut on pairs of particles
67 AliHBTEmptyPairCut(){};
68 AliHBTEmptyPairCut(const AliHBTEmptyPairCut&){};
69 virtual ~AliHBTEmptyPairCut(){};
71 Bool_t Pass(AliHBTPair*) {return kFALSE;} //accpept everything
73 ClassDef(AliHBTEmptyPairCut,1)
79 /******************************************************************/
80 /******************************************************************/
81 /******************************************************************/
83 class AliHbtBasePairCut: public TObject
85 //This class defines the range of some property - pure virtual
86 //Property is coded by AliHBTCutTypes type
90 AliHbtBasePairCut(Double_t min = 0.0, Double_t max = 0.0, AliHBTPairCutProperty prop= kHbtPairCutPropNone):
91 fMin(min),fMax(max),fProperty(prop){}
93 virtual ~AliHbtBasePairCut(){}
95 Bool_t Pass(AliHBTPair*);
97 void SetRange(Double_t min, Double_t max){fMin = min; fMax = max;}
99 void SetMinimum(Double_t min){fMin = min;}
100 void SetMaximum(Double_t max){fMax = max;}
102 Double_t GetMinimum() const {return fMin;}
103 Double_t GetMaximum() const {return fMax;}
105 AliHBTPairCutProperty GetProperty() const {return fProperty;}
108 virtual Double_t GetValue(AliHBTPair*) = 0;
113 AliHBTPairCutProperty fProperty;
117 ClassDef(AliHbtBasePairCut,1)
122 AliHbtBasePairCut::Pass(AliHBTPair* pair)
124 Double_t value = GetValue(pair);
125 if ( (value > fMin) && (value <fMax ) ) return kFALSE; //accepted
126 else return kTRUE; //rejected
128 /******************************************************************/
129 /******************************************************************/
130 /******************************************************************/
131 class AliHBTQInvCut: public AliHbtBasePairCut
134 AliHBTQInvCut(Double_t min = 0.0, Double_t max = 0.0):AliHbtBasePairCut(min,max,kHbtPairCutPropQInv){}
135 virtual ~AliHBTQInvCut(){}
137 virtual Double_t GetValue(AliHBTPair* pair){return pair->GetQInv();}
140 ClassDef(AliHBTQInvCut,1)
144 class AliHBTKtCut: public AliHbtBasePairCut
147 AliHBTKtCut(Double_t min = 0.0, Double_t max = 0.0):AliHbtBasePairCut(min,max,kHbtPairCutPropKt){}
148 virtual ~AliHBTKtCut(){}
150 virtual Double_t GetValue(AliHBTPair* pair){return pair->GetKt();}
153 ClassDef(AliHBTKtCut,1)
157 class AliHBTQSideCMSLCCut: public AliHbtBasePairCut
160 AliHBTQSideCMSLCCut(Double_t min = 0.0, Double_t max = 0.0):
161 AliHbtBasePairCut(min,max,kHbtPairCutPropQSideCMSLC){}
162 virtual ~AliHBTQSideCMSLCCut(){}
164 virtual Double_t GetValue(AliHBTPair* pair){return pair->GetQSideCMSLC();}
167 ClassDef(AliHBTQSideCMSLCCut,1)
171 class AliHBTQOutCMSLCCut: public AliHbtBasePairCut
174 AliHBTQOutCMSLCCut(Double_t min = 0.0, Double_t max = 0.0):
175 AliHbtBasePairCut(min,max,kHbtPairCutPropQOutCMSLC){}
176 virtual ~AliHBTQOutCMSLCCut(){}
178 virtual Double_t GetValue(AliHBTPair* pair){return pair->GetQOutCMSLC();}
181 ClassDef(AliHBTQOutCMSLCCut,1)
184 class AliHBTQLongCMSLCCut: public AliHbtBasePairCut
187 AliHBTQLongCMSLCCut(Double_t min = 0.0, Double_t max = 0.0):
188 AliHbtBasePairCut(min,max,kHbtPairCutPropQLongCMSLC){}
189 virtual ~AliHBTQLongCMSLCCut(){}
191 virtual Double_t GetValue(AliHBTPair* pair){return pair->GetQLongCMSLC();}
194 ClassDef(AliHBTQLongCMSLCCut,1)