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1 | #ifndef ALIPHOSTRACKSEGMENTMAKERV1_H |
| 2 | #define ALIPHOSTRACKSEGMENTMAKERV1_H |
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3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| 4 | * See cxx source for full Copyright notice */ |
| 5 | |
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6 | /* $Id$ */ |
| 7 | |
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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) |
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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" |
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26 | #include "TMinuit.h" |
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27 | |
| 28 | class AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker { |
| 29 | |
| 30 | public: |
| 31 | |
| 32 | AliPHOSTrackSegmentMakerv1() ; |
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33 | virtual ~ AliPHOSTrackSegmentMakerv1() ; // dtor |
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34 | |
| 35 | Bool_t FindFit(AliPHOSEmcRecPoint * emcRP, int * MaxAt, Float_t * maxAtEnergy, |
| 36 | Int_t NPar, Float_t * FitParametres) ; //Used in UnfoldClusters, calls TMinuit |
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37 | void FillOneModule(DigitsList * Dl, RecPointsList * emcIn, TObjArray * emcOut, RecPointsList * ppsdIn, |
| 38 | TObjArray * ppsdOutUp, TObjArray * ppsdOutLow, Int_t &PHOSModule, Int_t & emcStopedAt, |
| 39 | Int_t & ppsdStopedAt) ; // Unfolds clusters and fills temporary arrais |
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40 | Float_t GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliPHOSPpsdRecPoint * Ppsd , Bool_t & TooFar ) ; // see R0 |
| 41 | |
| 42 | void MakeLinks(TObjArray * EmcRecPoints, TObjArray * PpsdRecPointsUp, TObjArray * PpsdRecPointsLow, |
| 43 | TClonesArray * LinkLowArray, TClonesArray *LinkUpArray) ; //Evaluates distances(links) between EMC and PPSD |
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44 | void MakePairs(TObjArray * EmcRecPoints, TObjArray * PpsdRecPointsUp, TObjArray * PpsdRecPointsLow, |
| 45 | TClonesArray * LinkLowArray, TClonesArray * LinkUpArray, TrackSegmentsList * trsl) ; |
| 46 | //Finds pairs(triplets) with smallest link |
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47 | void MakeTrackSegments(DigitsList * DL, RecPointsList * emcl, RecPointsList * ppsdl, TrackSegmentsList * trsl ) ; // does the job |
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48 | virtual void SetMaxEmcPpsdDistance(Float_t r){ fR0 = r ;} |
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49 | virtual void SetUnfoldFlag() { fUnfoldFlag = kTRUE ; } ; |
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50 | static Double_t ShowerShape(Double_t r) ; // Shape of shower used in unfolding; class member function (not object member function) |
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51 | void UnfoldClusters(DigitsList * DL, RecPointsList * emcIn, AliPHOSEmcRecPoint * iniEmc, Int_t Nmax, |
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52 | int * maxAt, Float_t * maxAtEnergy, TObjArray * emclist) ; //Unfolds overlaping clusters using TMinuit package |
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53 | virtual void UnsetUnfoldFlag() { fUnfoldFlag = kFALSE ; } |
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54 | |
| 55 | private: |
| 56 | |
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57 | Float_t fDelta ; // parameter used for sorting |
| 58 | TMinuit * fMinuit ; // Minuit object needed by cluster unfolding |
| 59 | Float_t fR0 ; // Maximum distance between a EMC RecPoint and a PPSD RecPoint |
| 60 | Bool_t fUnfoldFlag ; // Directive to unfold or not the clusters in case of multiple maxima |
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61 | |
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62 | ClassDef( AliPHOSTrackSegmentMakerv1,1) // Implementation version 1 of algorithm class to make PHOS track segments |
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63 | |
| 64 | }; |
| 65 | |
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66 | #endif // AliPHOSTRACKSEGMENTMAKERV1_H |
git://git.uio.no / u / mrichter / AliRoot.git / blame