]>
Commit | Line | Data |
---|---|---|
1f30d65c | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | // | |
15d37333 | 16 | // Static function member which can be used in standalone cases |
17 | // especially as utils for AliTPCCosmicTrackfit | |
18 | // | |
19 | // detailed description can be found inside individual function | |
1f30d65c | 20 | // |
21 | // grep "exitreport" in output log to check abnormal termination | |
22 | // | |
15d37333 | 23 | // Xianguo Lu |
24 | // lu@physi.uni-heidelberg.de | |
25 | // Xianguo.Lu@cern.ch | |
1f30d65c | 26 | // |
27 | ||
28 | #ifndef ALITPCCOSMICUTILS_H | |
29 | #define ALITPCCOSMICUTILS_H | |
30 | ||
3aa6a136 | 31 | class TVector3; |
32 | ||
33 | class AliESDfriend; | |
34 | ||
1f30d65c | 35 | class AliTPCCosmicUtils |
36 | { | |
37 | public: | |
3aa6a136 | 38 | enum{ |
39 | k0OB0=1, | |
40 | k0OB1=2, | |
41 | k0HWU=4, | |
42 | kTRDCO2=8, | |
43 | kAMU=16, | |
44 | kSCO=32 | |
45 | }; | |
46 | ||
47 | static Double_t GetMinPhi(const AliExternalTrackParam *params[]); | |
48 | static Int_t GetBField(const AliESDEvent *esd); | |
49 | static Int_t GetTrigger(const AliESDEvent *esd); | |
1f30d65c | 50 | static AliTPCseed * GetTPCseed(const AliESDtrack *esdtrack); |
3aa6a136 | 51 | static Bool_t GetESD(AliESDEvent *& esdevent, AliESDfriend *& esdfriend); |
52 | //=========================== | |
53 | ||
1f30d65c | 54 | static AliExternalTrackParam *MakeSeed(const AliTPCseed *tseed); |
55 | ||
15d37333 | 56 | static void SingleFit(AliExternalTrackParam * trackInOld, AliExternalTrackParam * trackOutOld, const AliTPCseed *tseed, const Bool_t kinward, const Int_t rowstartshift, const Int_t rowstep, const Double_t xmin, const Double_t xmax, Int_t &nfit, Int_t &nmiss, Double_t &pchi2, Double_t &lfit, TTreeSRedirector *debugstreamer=0x0); |
1f30d65c | 57 | |
3aa6a136 | 58 | static void CombinedFit(AliExternalTrackParam *trackPars[], const AliTPCseed *seeds[], const Int_t rowstartshift, const Int_t rowstep, const Double_t xmin, const Double_t xmax, Int_t &nfit, Int_t &nmiss, Double_t &pchi2, Double_t &lfit, Double_t &vtxD, Double_t &vtxZ, TTreeSRedirector *debugstreamer=0x0); |
1f30d65c | 59 | |
15d37333 | 60 | static void DrawTracks(AliESDtrack *esdtrks[], const TString tag, const TString outputformat="png"); |
1f30d65c | 61 | static void DrawSeeds(const AliTPCseed * seeds[], const TString tag, const TString outputformat="png"); |
62 | static void PrintTrackParam(const Int_t id, const AliExternalTrackParam * trackpar, const char *tag=""); | |
15d37333 | 63 | static Bool_t RotateSafe(AliExternalTrackParam *trackPar, const Double_t aa); |
64 | static Double_t AngleInRange(Double_t phi); | |
3aa6a136 | 65 | static Double_t Point2LineDist(const TVector3 p0, const TVector3 l1, const TVector3 l2, TVector3 *vtx = 0x0); |
66 | ||
67 | static Int_t NRow(){ return 159;} //number of pad rows | |
68 | static Int_t NclsMin(){ return 40;} //minimum requirement of number of TPC cluster | |
69 | static Double_t Mass(){ return 0.105658;} //muon mass | |
70 | ||
71 | //--------------------------- | |
1f30d65c | 72 | |
73 | private: | |
3aa6a136 | 74 | |
75 | static Int_t XMin(){ return 80;} //minimum x (tracking system) to use in propagation | |
76 | static Int_t Niter(){ return 2;} //number of iteration in SingleFit and CombinedFit, 1 is not enough, 3 is the same as 2 | |
77 | ||
1f30d65c | 78 | static void IniCov(AliExternalTrackParam *trackPar, const Double_t ncl); |
3aa6a136 | 79 | static void SubCombined(AliExternalTrackParam *trackPar, const AliTPCseed *seeds[], const Int_t tk0, const Int_t tk1, const Int_t rowstartshift, const Int_t rowstep, const Double_t xmin, const Double_t xmax, const Double_t eloss, Int_t &nfit, Int_t &nmiss, Double_t &pchi2, Double_t &lfit, Double_t &vtxD, Double_t &vtxZ, TTreeSRedirector *debugstreamer=0x0); |
1f30d65c | 80 | |
3aa6a136 | 81 | static void FitKernel(AliExternalTrackParam *trackPar, const AliTPCseed *tseed, const Int_t rowstart, const Int_t rowstop, const Int_t drow, const Double_t xmin, const Double_t xmax, const Double_t eloss, Int_t &ksite, Int_t &nfit, Int_t &nmiss, Double_t &pchi2, TVector3 &gposStart, TVector3 &gposStop, TTreeSRedirector *debugstreamer, const Bool_t kinicov); |
1f30d65c | 82 | }; |
83 | ||
84 | #endif |