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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> |
a2ad8166 | 32 | |
33 | ClassImp(AliT0CalibTimeEq) | |
34 | ||
35 | //________________________________________________________________ | |
6b7d32f7 | 36 | AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed() |
a2ad8166 | 37 | { |
38 | // | |
39 | } | |
40 | ||
41 | //________________________________________________________________ | |
6b7d32f7 | 42 | AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed() |
a2ad8166 | 43 | { |
59b8a5fc | 44 | //constructor |
45 | ||
a2ad8166 | 46 | TString namst = "Calib_"; |
47 | namst += name; | |
48 | SetName(namst.Data()); | |
49 | SetTitle(namst.Data()); | |
50 | } | |
51 | ||
52 | //________________________________________________________________ | |
6b7d32f7 | 53 | AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda) |
a2ad8166 | 54 | { |
55 | // copy constructor | |
56 | SetName(calibda.GetName()); | |
57 | SetTitle(calibda.GetName()); | |
58 | ||
59 | ||
60 | } | |
61 | ||
62 | //________________________________________________________________ | |
63 | AliT0CalibTimeEq &AliT0CalibTimeEq::operator =(const AliT0CalibTimeEq& calibda) | |
64 | { | |
65 | // assignment operator | |
66 | SetName(calibda.GetName()); | |
67 | SetTitle(calibda.GetName()); | |
68 | ||
69 | return *this; | |
70 | } | |
71 | ||
72 | //________________________________________________________________ | |
73 | AliT0CalibTimeEq::~AliT0CalibTimeEq() | |
74 | { | |
75 | // | |
59b8a5fc | 76 | // destrictor |
a2ad8166 | 77 | } |
78 | //________________________________________________________________ | |
79 | void AliT0CalibTimeEq::Reset() | |
80 | { | |
59b8a5fc | 81 | //reset values |
82 | ||
a2ad8166 | 83 | memset(fCFDvalue,0,120*sizeof(Float_t)); |
84 | memset(fTimeEq,1,24*sizeof(Float_t)); | |
85 | } | |
86 | ||
87 | ||
88 | //________________________________________________________________ | |
89 | void AliT0CalibTimeEq::Print(Option_t*) const | |
90 | { | |
59b8a5fc | 91 | // print time values |
a2ad8166 | 92 | |
93 | printf("\n ---- PM Arrays ----\n\n"); | |
94 | printf(" Time delay CFD \n"); | |
95 | for (Int_t i=0; i<24; i++) printf(" CFD %f ",fTimeEq[i]); | |
96 | } | |
97 | ||
98 | ||
99 | //________________________________________________________________ | |
6b7d32f7 | 100 | void AliT0CalibTimeEq::ComputeOnlineParams(char* name1, Int_t npeaks, Double_t sigma, const char* filePhys) |
a2ad8166 | 101 | { |
59b8a5fc | 102 | // compute online equalized time |
103 | ||
8bfd9a3e | 104 | TFile *gFile = TFile::Open(filePhys); |
a2ad8166 | 105 | Bool_t down=false; |
106 | Int_t index[20]; | |
107 | Char_t buf1[15]; | |
108 | Char_t temp[10]; | |
6b7d32f7 | 109 | Float_t p[24][3]={0.,0.,0.}; |
110 | for (Int_t i=0; i<24; i++) | |
111 | { | |
112 | sprintf(buf1,name1); | |
113 | sprintf(temp,"%i",i+1); | |
114 | strcat (buf1,temp); | |
115 | //strcat (buf1,name2); | |
116 | TH1F *cfd = (TH1F*) gFile->Get(buf1); | |
117 | printf(" i = %d buf1 = %s\n", i, buf1); | |
118 | TSpectrum *s = new TSpectrum(2*npeaks,1.); | |
119 | printf(" buf1 = %s cfd = %x\n", buf1, cfd); | |
120 | Int_t nfound = s->Search(cfd,sigma,"goff",0.2); | |
121 | printf(" nfound = %d\n", nfound); | |
122 | if(nfound!=0) | |
a2ad8166 | 123 | { |
6b7d32f7 | 124 | Float_t *xpeak = s->GetPositionX(); |
125 | TMath::Sort(nfound, xpeak, index,down); | |
126 | Float_t xp = xpeak[index[0]]; | |
127 | Float_t hmax = xp+3*sigma; | |
128 | Float_t hmin = xp-3*sigma; | |
129 | cfd->GetXaxis()->SetRange((Int_t)hmin-20,(Int_t)hmax+20); | |
130 | TF1 *g1 = new TF1("g1", "gaus", hmin, hmax); | |
131 | cfd->Fit("g1","IRQN"); | |
132 | for(Int_t j =0; j<3; j++) | |
133 | { | |
134 | p[i][j] = g1->GetParameter(j); | |
135 | SetCFDvalue(i, j, p[i][j]); | |
136 | } | |
137 | ||
138 | SetCFDvalue(i, 3, hmin); | |
139 | SetCFDvalue(i, 4, hmax); | |
140 | ||
141 | if (i<12) | |
142 | { | |
143 | SetTimeEq(i,(p[i][2]-p[0][2])); | |
144 | } | |
145 | else | |
146 | { | |
147 | SetTimeEq(i,(p[i][2]-p[12][2])); | |
148 | } | |
149 | } | |
150 | } | |
151 | ||
152 | gFile->Close(); | |
153 | delete gFile; | |
154 | ||
155 | for(int i=0;i<5;i++) | |
156 | { | |
157 | for(int j=0;j<24;j++) | |
158 | { | |
159 | printf("fCFDvalue[%d][%d]=%f\n",j,i,fCFDvalue[j][i]); | |
8bfd9a3e | 160 | } |
6b7d32f7 | 161 | } |
162 | printf("\n\n"); | |
163 | for(int j=0;j<24;j++) | |
164 | { | |
165 | printf("fTimeEq[%d]=%f\n",j,fTimeEq[j]); | |
166 | } | |
a2ad8166 | 167 | } |
168 | ||
8bfd9a3e | 169 |