New classes: AliPHOSRecParticle, AliPHOSParticleGuesser, AliPHOSAnalyze
[u/mrichter/AliRoot.git] / PHOS / AliPHOSTrackSegmentMakerv1.h
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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
29class AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker {
30
31public:
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
61private:
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
67public:
68
69ClassDef( AliPHOSTrackSegmentMakerv1,1) // track segment maker implementation , version 1
70
71};
72
6ad0bfa0 73#endif // AliPHOSTRACKSEGMENTMAKERV1_H