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a2ad8166 | 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 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
59b8a5fc | 20 | // class for T0 calibration TM-AC-AM_6-02-2006 |
21 | // equalize time shift for each time CFD channel | |
a2ad8166 | 22 | // // |
23 | /////////////////////////////////////////////////////////////////////////////// | |
24 | ||
25 | #include "AliT0CalibTimeEq.h" | |
a2ad8166 | 26 | |
a2ad8166 | 27 | #include <TFile.h> |
28 | #include <TMath.h> | |
29 | #include <TF1.h> | |
a2ad8166 | 30 | #include <TSpectrum.h> |
a2ad8166 | 31 | #include <TProfile.h> |
c61a7285 | 32 | #include <iostream> |
a2ad8166 | 33 | |
34 | ClassImp(AliT0CalibTimeEq) | |
35 | ||
36 | //________________________________________________________________ | |
6b7d32f7 | 37 | AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed() |
a2ad8166 | 38 | { |
39 | // | |
40 | } | |
41 | ||
42 | //________________________________________________________________ | |
6b7d32f7 | 43 | AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed() |
a2ad8166 | 44 | { |
59b8a5fc | 45 | //constructor |
46 | ||
a2ad8166 | 47 | TString namst = "Calib_"; |
48 | namst += name; | |
49 | SetName(namst.Data()); | |
50 | SetTitle(namst.Data()); | |
51 | } | |
52 | ||
53 | //________________________________________________________________ | |
6b7d32f7 | 54 | AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda) |
a2ad8166 | 55 | { |
56 | // copy constructor | |
57 | SetName(calibda.GetName()); | |
58 | SetTitle(calibda.GetName()); | |
59 | ||
60 | ||
61 | } | |
62 | ||
63 | //________________________________________________________________ | |
64 | AliT0CalibTimeEq &AliT0CalibTimeEq::operator =(const AliT0CalibTimeEq& calibda) | |
65 | { | |
66 | // assignment operator | |
67 | SetName(calibda.GetName()); | |
68 | SetTitle(calibda.GetName()); | |
69 | ||
70 | return *this; | |
71 | } | |
72 | ||
73 | //________________________________________________________________ | |
74 | AliT0CalibTimeEq::~AliT0CalibTimeEq() | |
75 | { | |
76 | // | |
59b8a5fc | 77 | // destrictor |
a2ad8166 | 78 | } |
79 | //________________________________________________________________ | |
80 | void AliT0CalibTimeEq::Reset() | |
81 | { | |
59b8a5fc | 82 | //reset values |
83 | ||
a2ad8166 | 84 | memset(fCFDvalue,0,120*sizeof(Float_t)); |
85 | memset(fTimeEq,1,24*sizeof(Float_t)); | |
86 | } | |
87 | ||
88 | ||
89 | //________________________________________________________________ | |
90 | void AliT0CalibTimeEq::Print(Option_t*) const | |
91 | { | |
59b8a5fc | 92 | // print time values |
a2ad8166 | 93 | |
94 | printf("\n ---- PM Arrays ----\n\n"); | |
95 | printf(" Time delay CFD \n"); | |
96 | for (Int_t i=0; i<24; i++) printf(" CFD %f ",fTimeEq[i]); | |
97 | } | |
98 | ||
99 | ||
100 | //________________________________________________________________ | |
700e6b36 | 101 | void AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys) |
a2ad8166 | 102 | { |
59b8a5fc | 103 | // compute online equalized time |
083f0bec | 104 | // Int_t npeaks = 20; |
105 | // Double_t sigma = 4.; | |
59b8a5fc | 106 | |
8bfd9a3e | 107 | TFile *gFile = TFile::Open(filePhys); |
083f0bec | 108 | // Bool_t down=false; |
109 | // Int_t index[20]; | |
a2ad8166 | 110 | Char_t buf1[15]; |
083f0bec | 111 | // Char_t temp[10]; |
112 | // Float_t p[24][3]={0.,0.,0.}; | |
6b7d32f7 | 113 | for (Int_t i=0; i<24; i++) |
114 | { | |
083f0bec | 115 | sprintf(buf1,"CFD1-CFD%d",i+1); |
6b7d32f7 | 116 | TH1F *cfd = (TH1F*) gFile->Get(buf1); |
083f0bec | 117 | // printf(" i = %d buf1 = %s\n", i, buf1); |
700e6b36 | 118 | Double_t mean=cfd->GetMean(); |
119 | SetTimeEq(i,mean); | |
083f0bec | 120 | delete cfd; |
700e6b36 | 121 | } |
122 | /* | |
123 | ||
6b7d32f7 | 124 | TSpectrum *s = new TSpectrum(2*npeaks,1.); |
125 | printf(" buf1 = %s cfd = %x\n", buf1, cfd); | |
126 | Int_t nfound = s->Search(cfd,sigma,"goff",0.2); | |
127 | printf(" nfound = %d\n", nfound); | |
128 | if(nfound!=0) | |
a2ad8166 | 129 | { |
6b7d32f7 | 130 | Float_t *xpeak = s->GetPositionX(); |
131 | TMath::Sort(nfound, xpeak, index,down); | |
132 | Float_t xp = xpeak[index[0]]; | |
133 | Float_t hmax = xp+3*sigma; | |
134 | Float_t hmin = xp-3*sigma; | |
135 | cfd->GetXaxis()->SetRange((Int_t)hmin-20,(Int_t)hmax+20); | |
136 | TF1 *g1 = new TF1("g1", "gaus", hmin, hmax); | |
137 | cfd->Fit("g1","IRQN"); | |
138 | for(Int_t j =0; j<3; j++) | |
139 | { | |
140 | p[i][j] = g1->GetParameter(j); | |
700e6b36 | 141 | // SetCFDvalue(i, j, p[i][j]); |
6b7d32f7 | 142 | } |
700e6b36 | 143 | SetTimeEq(i,(p[i][2])); |
144 | cout<<" mean "<<p[i][2]<<endl; | |
145 | */ | |
146 | /* | |
6b7d32f7 | 147 | SetCFDvalue(i, 3, hmin); |
148 | SetCFDvalue(i, 4, hmax); | |
149 | ||
150 | if (i<12) | |
151 | { | |
152 | SetTimeEq(i,(p[i][2]-p[0][2])); | |
153 | } | |
154 | else | |
155 | { | |
156 | SetTimeEq(i,(p[i][2]-p[12][2])); | |
157 | } | |
700e6b36 | 158 | |
6b7d32f7 | 159 | } |
160 | } | |
700e6b36 | 161 | */ |
6b7d32f7 | 162 | gFile->Close(); |
163 | delete gFile; | |
6b7d32f7 | 164 | printf("\n\n"); |
165 | for(int j=0;j<24;j++) | |
166 | { | |
167 | printf("fTimeEq[%d]=%f\n",j,fTimeEq[j]); | |
168 | } | |
a2ad8166 | 169 | } |
170 | ||
8bfd9a3e | 171 |