2 // Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
4 /**************************************************************************
5 * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. *
6 * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for *
7 * full copyright notice. *
8 **************************************************************************/
14 //------------------------------------------------------------------------------
16 //------------------------------------------------------------------------------
18 // Representation of a reconstructed V0.
21 //------------------------------------------------------------------------------
23 //------------------------------------------------------------------------------
25 // Container for AliEveV0s.
27 // Allows runtime selection by pT and DCA of daughters, radius of V0
28 // creation and PID priobabilities
30 //==============================================================================
32 #include "AliEveTrack.h"
33 #include <TEveVSDStructs.h>
35 #include <TPolyLine3D.h>
45 class AliEveV0 : public TEvePointSet
47 friend class AliEveV0List;
48 friend class AliEveV0Editor;
52 AliEveV0(TEveRecTrack* tNeg, TEveRecTrack* tPos, TEveRecV0* v0,
53 TEveTrackPropagator* rs);
58 virtual void SetMainColor(Color_t col)
60 TEvePointSet::SetMainColor(col);
61 fPointingLine->SetLineColor(fMarkerColor);
64 void SetRnrStyle(TEveTrackPropagator* rs) { fRnrStyle = rs; }
66 Float_t GetDaughterDCA() const { return fDaughterDCA; }
67 void SetDaughterDCA(Float_t dca) { fDaughterDCA = dca; }
69 Float_t GetPhi() const { return fRecDecayP.Phi(); }
70 Float_t GetEta() const { return fRecDecayP.Eta(); }
71 Float_t GetRadius() const { return fRecDecayV.Perp(); }
72 Float_t GetPt() const { return fRecDecayP.Perp(); }
74 Float_t GetInvMass(Int_t nPdgCode, Int_t pPdgCode) const;
75 Float_t GetK0sInvMass() const { return GetInvMass(kPiMinus,kPiPlus); }
76 Float_t GetLambdaInvMass() const { return GetInvMass(kPiMinus,kProton); }
77 Float_t GetAntiLambdaInvMass() const { return GetInvMass(kProton,kPiPlus); }
79 Bool_t GetOnFlyStatus() const { return fOnFlyStatus; }
80 void SetOnFlyStatus(Bool_t fs) { fOnFlyStatus = fs; }
82 void SetMaxProbPdgPid(Int_t iDaughter, Int_t rPdg, Float_t rPid);
83 Int_t GetNegMaxProbPdg() const { return fNegMaxProbPdg; }
84 Int_t GetPosMaxProbPdg() const { return fPosMaxProbPdg; }
85 Float_t GetNegMaxProbPid() const { return fNegMaxProbPid; }
86 Float_t GetPosMaxProbPid() const { return fPosMaxProbPid; }
88 Int_t GetESDIndex() const { return fESDIndex; }
89 void SetESDIndex(Int_t ind) { fESDIndex = ind;}
91 virtual const Text_t* GetName() const { return Form("ESDv0_%i",fESDIndex); }
92 virtual const Text_t* GetTitle() const { return Form("ESDv0_%i",fESDIndex); }
94 TEveTrackPropagator* GetPropagator() const { return fRnrStyle; }
96 AliEveTrack* GetNegTrack() const { return fNegTrack; }
97 AliEveTrack* GetPosTrack() const { return fPosTrack; }
99 TEveLine* GetPointingLine() const { return fPointingLine; }
102 TEveVector fRecBirthV; // Reconstucted birth point of neutral particle
103 TEveVector fRecDecayV; // Point of closest approach
104 TEveVector fRecDecayP; // Reconstructed momentum of decayed particle.
106 AliEveTrack *fNegTrack; // Representation of negative track.
107 AliEveTrack *fPosTrack; // Representation of positive track.
109 TEveTrackPropagator *fRnrStyle; // Track propagator for neg/pos track.
111 TEveLine *fPointingLine; // Representation of pointing line.
113 Int_t fESDIndex; // Index in ESD V0 array.
114 Bool_t fOnFlyStatus; // Reconstructed during tracking.
115 Float_t fDaughterDCA; // Distance at the point of closest approach.
116 Float_t fChi2V0; // Some Chi-square.
118 Int_t fNegMaxProbPdg; // Maximum PDG probability for the negative daughter
119 Int_t fPosMaxProbPdg; // Maximum PDG probability for the positive daughter
120 Float_t fNegMaxProbPid; // Maximum PID probability for the negative daughter
121 Float_t fPosMaxProbPid; // Maximum PID probability for the positive daughter
124 AliEveV0(const AliEveV0&); // Not implemented
125 AliEveV0& operator=(const AliEveV0&); // Not implemented
127 ClassDef(AliEveV0, 0); // Visual representation of a AliEveV0.
131 /******************************************************************************/
133 /******************************************************************************/
135 class AliEveV0List : public TEveElementList
137 friend class AliEveV0ListEditor;
141 AliEveV0List(TEveTrackPropagator* rs);
142 AliEveV0List(const Text_t* name, TEveTrackPropagator* rs=0);
143 virtual ~AliEveV0List() {}
145 virtual const Text_t* GetTitle() const { return fTitle; }
146 virtual void SetTitle(const Text_t* t) { fTitle = t; }
147 virtual void SetTracksColor(Color_t cNeg, Color_t cPos) {
148 fNegColor = cNeg; fPosColor = cPos;}
150 virtual Bool_t CanEditMainColor() const { return kTRUE; }
152 void SetRnrStyle(TEveTrackPropagator* rst) { fRnrStyle = rst; }
153 TEveTrackPropagator* GetPropagator() { return fRnrStyle; }
155 Bool_t GetRnrV0vtx() const { return fRnrV0vtx; }
156 Bool_t GetRnrV0path() const { return fRnrV0path; }
157 Bool_t GetRnrDaughters() const { return fRnrDaughters; }
161 void FilterByRadius(Float_t minR, Float_t maxR);
162 void FilterByDaughterDCA(Float_t minDaughterDCA, Float_t maxDaughterDCA);
163 void FilterByPt(Float_t minPt, Float_t maxPt);
164 void FilterByCheckedPidMinProb(Int_t rFlag, Int_t rDaughter, Int_t rPid, Float_t rProb);
165 void SetNegCheckedPid(Int_t rNegCheckedPid) {fNegCheckedPid = rNegCheckedPid;}
166 void SetPosCheckedPid(Int_t rPosCheckedPid) {fPosCheckedPid = rPosCheckedPid;}
167 Int_t GetNegCheckedPid() const { return fNegCheckedPid; }
168 Int_t GetPosCheckedPid() const { return fPosCheckedPid; }
170 void SetNegCheckedProb(Float_t rNegCheckedProb) {fNegCheckedProb = rNegCheckedProb;}
171 void SetPosCheckedProb(Float_t rPosCheckedProb) {fPosCheckedProb = rPosCheckedProb;}
172 Float_t GetNegCheckedProb() const { return fNegCheckedProb; }
173 Float_t GetPosCheckedProb() const { return fPosCheckedProb; }
175 void FilterByInvariantMass(Float_t minPt, Float_t maxPt, Int_t nPdgCode, Int_t pPdgCode);
178 TString fTitle; // Title of the object.
180 TEveTrackPropagator *fRnrStyle; // Track propagator to be passed do conteined V0s.
182 Bool_t fRnrDaughters; // Flag - display daughter tracks.
183 Bool_t fRnrV0vtx; // Flag - display V0 vertex.
184 Bool_t fRnrV0path; // Flag - display V0 path.
186 Color_t fNegColor; // Color for negative tracks.
187 Color_t fPosColor; // Color for positive tracks.
189 Float_t fMinRCut; // Minimum radius cut.
190 Float_t fMaxRCut; // Maximum radius cut.
192 Float_t fMinDaughterDCA; // Minimum daughter DCA cut.
193 Float_t fMaxDaughterDCA; // Maximum daughter DCA cut.
195 Float_t fMinPt; // Minimum Pt cut.
196 Float_t fMaxPt; // Maximum Pt cut.
198 Int_t fNegCheckedPid; // BORIS ?
199 Int_t fPosCheckedPid; // BORIS ?
201 Float_t fNegCheckedProb; // BORIS ?
202 Float_t fPosCheckedProb; // BORIS ?
204 Float_t fMinInvariantMass; // Minimum invariant mass cut.
205 Float_t fMaxInvariantMass; // Maximum invariant mass cut.
210 AliEveV0List(const AliEveV0List&); // Not implemented
211 AliEveV0List& operator=(const AliEveV0List&); // Not implemented
213 ClassDef(AliEveV0List, 0); // A list of AliEveV0 objecs.