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);
43 void SetQOutCMSLRange(Double_t min, Double_t max);
44 void SetQSideCMSLRange(Double_t min, Double_t max);
45 void SetQLongCMSLRange(Double_t min, Double_t max);
48 AliHBTParticleCut* fFirstPartCut;
49 AliHBTParticleCut* fSecondPartCut;
51 AliHbtBasePairCut** fCuts; //!
55 AliHbtBasePairCut* FindCut(AliHBTPairCutProperty);
57 static const Int_t fkgMaxCuts;
59 ClassDef(AliHBTPairCut,1)
62 /******************************************************************/
63 /******************************************************************/
64 /******************************************************************/
66 class AliHBTEmptyPairCut: public AliHBTPairCut
68 //Empty - it passes possitively all particles - it means returns always False
69 //Class describing cut on pairs of particles
71 AliHBTEmptyPairCut(){};
72 AliHBTEmptyPairCut(const AliHBTEmptyPairCut&){};
73 virtual ~AliHBTEmptyPairCut(){};
75 Bool_t Pass(AliHBTPair*) {return kFALSE;} //accpept everything
77 ClassDef(AliHBTEmptyPairCut,1)
83 /******************************************************************/
84 /******************************************************************/
85 /******************************************************************/
87 class AliHbtBasePairCut: public TObject
89 //This class defines the range of some property - pure virtual
90 //Property is coded by AliHBTCutTypes type
94 AliHbtBasePairCut(Double_t min = 0.0, Double_t max = 0.0, AliHBTPairCutProperty prop= kHbtPairCutPropNone):
95 fMin(min),fMax(max),fProperty(prop){}
97 virtual ~AliHbtBasePairCut(){}
99 Bool_t Pass(AliHBTPair*);
101 void SetRange(Double_t min, Double_t max){fMin = min; fMax = max;}
103 void SetMinimum(Double_t min){fMin = min;}
104 void SetMaximum(Double_t max){fMax = max;}
106 Double_t GetMinimum() const {return fMin;}
107 Double_t GetMaximum() const {return fMax;}
109 AliHBTPairCutProperty GetProperty() const {return fProperty;}
112 virtual Double_t GetValue(AliHBTPair*) = 0;
117 AliHBTPairCutProperty fProperty;
121 ClassDef(AliHbtBasePairCut,1)
126 AliHbtBasePairCut::Pass(AliHBTPair* pair)
128 Double_t value = GetValue(pair);
129 if ( (value > fMin) && (value <fMax ) ) return kFALSE; //accepted
130 else return kTRUE; //rejected
132 /******************************************************************/
133 /******************************************************************/
134 /******************************************************************/
135 class AliHBTQInvCut: public AliHbtBasePairCut
138 AliHBTQInvCut(Double_t min = 0.0, Double_t max = 0.0):AliHbtBasePairCut(min,max,kHbtPairCutPropQInv){}
139 virtual ~AliHBTQInvCut(){}
141 virtual Double_t GetValue(AliHBTPair* pair){return pair->GetQInv();}
144 ClassDef(AliHBTQInvCut,1)
148 class AliHBTKtCut: public AliHbtBasePairCut
151 AliHBTKtCut(Double_t min = 0.0, Double_t max = 0.0):AliHbtBasePairCut(min,max,kHbtPairCutPropKt){}
152 virtual ~AliHBTKtCut(){}
154 virtual Double_t GetValue(AliHBTPair* pair){return pair->GetKt();}
157 ClassDef(AliHBTKtCut,1)
161 class AliHBTQSideCMSLCCut: public AliHbtBasePairCut
164 AliHBTQSideCMSLCCut(Double_t min = 0.0, Double_t max = 0.0):
165 AliHbtBasePairCut(min,max,kHbtPairCutPropQSideCMSLC){}
166 virtual ~AliHBTQSideCMSLCCut(){}
168 virtual Double_t GetValue(AliHBTPair* pair){return pair->GetQSideCMSLC();}
171 ClassDef(AliHBTQSideCMSLCCut,1)
175 class AliHBTQOutCMSLCCut: public AliHbtBasePairCut
178 AliHBTQOutCMSLCCut(Double_t min = 0.0, Double_t max = 0.0):
179 AliHbtBasePairCut(min,max,kHbtPairCutPropQOutCMSLC){}
180 virtual ~AliHBTQOutCMSLCCut(){}
182 virtual Double_t GetValue(AliHBTPair* pair){return pair->GetQOutCMSLC();}
185 ClassDef(AliHBTQOutCMSLCCut,1)
188 class AliHBTQLongCMSLCCut: public AliHbtBasePairCut
191 AliHBTQLongCMSLCCut(Double_t min = 0.0, Double_t max = 0.0):
192 AliHbtBasePairCut(min,max,kHbtPairCutPropQLongCMSLC){}
193 virtual ~AliHBTQLongCMSLCCut(){}
195 virtual Double_t GetValue(AliHBTPair* pair){return pair->GetQLongCMSLC();}
198 ClassDef(AliHBTQLongCMSLCCut,1)