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6ad0bfa0 | 1 | #ifndef ALIPHOSTRACKSEGMENTMAKERV1_H |
2 | #define ALIPHOSTRACKSEGMENTMAKERV1_H | |
d15a28e7 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6ad0bfa0 | 6 | /* $Id$ */ |
7 | ||
d15a28e7 | 8 | /////////////////////////////////////////////////// |
9 | // Track Segment Maker class for PHOS // | |
10 | // Version SUBATECH // | |
11 | // Author Dmitri Peressounko RRC Ki // | |
12 | // comment: finds pairs of clusters EMC+PPSD // | |
13 | // performs unfolding. // | |
14 | /////////////////////////////////////////////////// | |
15 | ||
16 | // --- ROOT system --- | |
17 | ||
18 | // --- Standard library --- | |
19 | ||
20 | // --- AliRoot header files --- | |
21 | ||
22 | #include "TObjArray.h" | |
23 | #include "AliPHOSClusterizer.h" | |
24 | #include "AliPHOSEmcRecPoint.h" | |
25 | #include "AliPHOSPpsdRecPoint.h" | |
26 | #include "AliPHOSTrackSegmentMaker.h" | |
9f616d61 | 27 | #include "TMinuit.h" |
d15a28e7 | 28 | |
29 | class AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker { | |
30 | ||
31 | public: | |
32 | ||
33 | AliPHOSTrackSegmentMakerv1() ; | |
9f616d61 | 34 | virtual ~ AliPHOSTrackSegmentMakerv1() ; // dtor |
d15a28e7 | 35 | |
36 | Bool_t FindFit(AliPHOSEmcRecPoint * emcRP, int * MaxAt, Float_t * maxAtEnergy, | |
37 | Int_t NPar, Float_t * FitParametres) ; //Used in UnfoldClusters, calls TMinuit | |
38 | ||
39 | void FillOneModule(DigitsList * Dl, RecPointsList * emcIn, TObjArray * emcOut, RecPointsList * ppsdIn, | |
40 | TObjArray * ppsdOutUp, TObjArray * ppsdOutLow, Int_t &PHOSModule, Int_t & emcStopedAt, | |
41 | Int_t & ppsdStopedAt) ; // Unfolds clusters and fills temporary arrais | |
42 | ||
43 | Float_t GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliPHOSPpsdRecPoint * Ppsd , Bool_t & TooFar ) ; // see R0 | |
44 | ||
45 | void MakeLinks(TObjArray * EmcRecPoints, TObjArray * PpsdRecPointsUp, TObjArray * PpsdRecPointsLow, | |
46 | TClonesArray * LinkLowArray, TClonesArray *LinkUpArray) ; //Evaluates distances(links) between EMC and PPSD | |
47 | ||
48 | void MakePairs(TObjArray * EmcRecPoints, TObjArray * PpsdRecPointsUp, TObjArray * PpsdRecPointsLow, | |
49 | TClonesArray * LinkLowArray, TClonesArray * LinkUpArray, TrackSegmentsList * trsl) ; | |
50 | //Finds pairs(triplets) with smallest link | |
51 | ||
52 | void MakeTrackSegments(DigitsList * DL, RecPointsList * emcl, RecPointsList * ppsdl, TrackSegmentsList * trsl ) ; // does the job | |
53 | ||
54 | void SetMaxEmcPpsdDistance(Float_t r){ fR0 = r ;} //Radius within which we look for ppsd cluster | |
55 | ||
9f616d61 | 56 | static Double_t ShowerShape(Double_t r) ; // Shape of shower used in unfolding; class member function (not object member function) |
d15a28e7 | 57 | |
58 | void UnfoldClusters(DigitsList * DL, RecPointsList * emcIn, AliPHOSEmcRecPoint * iniEmc, Int_t Nmax, | |
9f616d61 | 59 | int * maxAt, Float_t * maxAtEnergy, TObjArray * emclist) ; //Unfolds overlaping clusters using TMinuit package |
d15a28e7 | 60 | |
61 | private: | |
62 | ||
9f616d61 | 63 | Float_t fDelta ; // parameter used for sorting |
64 | Float_t fR0 ; // Maximal distance between EMC and PPSD clusters of one Track Segment in module plane | |
65 | TMinuit * fMinuit ; // Minuit object needed by cluster unfolding | |
d15a28e7 | 66 | |
92862013 | 67 | ClassDef( AliPHOSTrackSegmentMakerv1,1) // track segment maker implementation , version 1 |
d15a28e7 | 68 | |
69 | }; | |
70 | ||
6ad0bfa0 | 71 | #endif // AliPHOSTRACKSEGMENTMAKERV1_H |