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1 | #ifndef ALIPHOSTRACKSEGMENTMAKERV1_H | |
2 | #define ALIPHOSTRACKSEGMENTMAKERV1_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //_________________________________________________________________________ | |
9 | // Implementation version 1 of algorithm class to construct PHOS track segments | |
10 | // Associates EMC and PPSD clusters | |
11 | // Unfolds the EMC cluster | |
12 | // | |
13 | //*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH) | |
14 | ||
15 | // --- ROOT system --- | |
16 | ||
17 | // --- Standard library --- | |
18 | ||
19 | // --- AliRoot header files --- | |
20 | ||
21 | #include "TObjArray.h" | |
22 | #include "AliPHOSClusterizer.h" | |
23 | #include "AliPHOSEmcRecPoint.h" | |
24 | #include "AliPHOSPpsdRecPoint.h" | |
25 | #include "AliPHOSTrackSegmentMaker.h" | |
26 | #include "TMinuit.h" | |
27 | ||
28 | class AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker { | |
29 | ||
30 | public: | |
31 | ||
32 | AliPHOSTrackSegmentMakerv1() ; | |
33 | AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm) { | |
34 | // cpy ctor: no implementation yet | |
35 | // requested by the Coding Convention | |
36 | assert(0==1) ; | |
37 | } | |
38 | ||
39 | virtual ~ AliPHOSTrackSegmentMakerv1() ; // dtor | |
40 | ||
41 | Bool_t FindFit(AliPHOSEmcRecPoint * emcRP, int * MaxAt, Float_t * maxAtEnergy, | |
42 | Int_t NPar, Float_t * FitParametres) ; //Used in UnfoldClusters, calls TMinuit | |
43 | void FillOneModule(AliPHOSRecPoint::RecPointsList * emcIn, | |
44 | TArrayI * emcOut, | |
45 | AliPHOSRecPoint::RecPointsList * ppsdIn, | |
46 | TArrayI * ppsdOutUp, | |
47 | TArrayI * ppsdOutLow, | |
48 | Int_t &PHOSModule, | |
49 | Int_t & emcStopedAt, | |
50 | Int_t & ppsdStopedAt) ; // Fills temporary arrais with clusters from one module | |
51 | Float_t GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliPHOSPpsdRecPoint * Ppsd , Bool_t & TooFar ) ; // see R0 | |
52 | ||
53 | void MakeLinks(TArrayI * EmcRecPoints, TArrayI * PpsdRecPointsUp, TArrayI * PpsdRecPointsLow, | |
54 | TClonesArray * LinkLowArray, TClonesArray *LinkUpArray) ; //Evaluates distances(links) between EMC and PPSD | |
55 | void MakePairs(TArrayI * EmcRecPoints, | |
56 | TArrayI * PpsdRecPointsUp, | |
57 | TArrayI * PpsdRecPointsLow, | |
58 | TClonesArray * LinkLowArray, | |
59 | TClonesArray * LinkUpArray, | |
60 | AliPHOSTrackSegment::TrackSegmentsList * trsl) ; //Finds pairs(triplets) with smallest link | |
61 | void MakeTrackSegments(DigitsList * DL, | |
62 | AliPHOSRecPoint::RecPointsList * emcl, | |
63 | AliPHOSRecPoint::RecPointsList * ppsdl, | |
64 | AliPHOSTrackSegment::TrackSegmentsList * trsl ) ; // does the job | |
65 | virtual void SetMaxEmcPpsdDistance(Float_t r){ fR0 = r ;} | |
66 | virtual void SetUnfoldFlag() { fUnfoldFlag = kTRUE ; } ; | |
67 | static Double_t ShowerShape(Double_t r) ; // Shape of shower used in unfolding; class member function (not object member function) | |
68 | void UnfoldAll(DigitsList * Dl, AliPHOSRecPoint::RecPointsList * emcIn) ; | |
69 | // Unfolds and sorts all EMC clusters | |
70 | void UnfoldClusters(DigitsList * DL, | |
71 | AliPHOSRecPoint::RecPointsList * emcIn, | |
72 | AliPHOSEmcRecPoint * iniEmc, | |
73 | Int_t Nmax, | |
74 | int * maxAt, | |
75 | Float_t * maxAtEnergy ) ; //Unfolds overlaping clusters using TMinuit package | |
76 | virtual void UnsetUnfoldFlag() { fUnfoldFlag = kFALSE ; } | |
77 | ||
78 | AliPHOSTrackSegmentMakerv1 & operator = (const AliPHOSTrackSegmentMakerv1 & ) { | |
79 | // assignement operator requested by coding convention | |
80 | // but not needed | |
81 | assert(0==1) ; | |
82 | return *this ; | |
83 | } | |
84 | ||
85 | private: | |
86 | ||
87 | Float_t fDelta ; // parameter used for sorting | |
88 | Float_t fR0 ; // Maximum distance between a EMC RecPoint and a PPSD RecPoint | |
89 | Bool_t fUnfoldFlag ; // Directive to unfold or not the clusters in case of multiple maxima | |
90 | ||
91 | ClassDef( AliPHOSTrackSegmentMakerv1,1) // Implementation version 1 of algorithm class to make PHOS track segments | |
92 | ||
93 | }; | |
94 | ||
95 | #endif // AliPHOSTRACKSEGMENTMAKERV1_H |