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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 | // // | |
20 | // class T0 walk correction Alla Maevskaya alla@inr.ru 20.11.2007 // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include "AliT0CalibWalk.h" | |
25 | #include "AliLog.h" | |
26 | ||
27 | #include <TObjArray.h> | |
28 | #include <TGraph.h> | |
29 | #include <TFile.h> | |
30 | #include <TH2F.h> | |
31 | #include <TMath.h> | |
32 | #include <TSystem.h> | |
33 | #include <Riostream.h> | |
34 | #include <TSpectrum.h> | |
35 | #include <TProfile.h> | |
36 | #include <TF1.h> | |
37 | ||
38 | ClassImp(AliT0CalibWalk) | |
39 | ||
40 | //________________________________________________________________ | |
41 | AliT0CalibWalk::AliT0CalibWalk(): TNamed(), | |
42 | fWalk(0), | |
43 | fAmpLEDRec(0), | |
44 | fQTC(0), | |
45 | fAmpLED(0) | |
46 | { | |
47 | // | |
48 | } | |
49 | ||
50 | //________________________________________________________________ | |
51 | AliT0CalibWalk::AliT0CalibWalk(const char* name):TNamed(), | |
52 | fWalk(0), | |
53 | fAmpLEDRec(0), fQTC(0), | |
54 | fAmpLED(0) | |
55 | ||
56 | { | |
57 | TString namst = "Calib_"; | |
58 | namst += name; | |
59 | SetName(namst.Data()); | |
60 | SetTitle(namst.Data()); | |
61 | ||
62 | } | |
63 | ||
64 | //________________________________________________________________ | |
65 | AliT0CalibWalk::AliT0CalibWalk(const AliT0CalibWalk& calibda) : | |
66 | TNamed(calibda), | |
67 | fWalk(0), | |
68 | fAmpLEDRec(0), | |
69 | fQTC(0), | |
70 | fAmpLED(0) | |
71 | ||
72 | { | |
73 | // copy constructor | |
74 | SetName(calibda.GetName()); | |
75 | SetTitle(calibda.GetName()); | |
76 | ||
77 | ||
78 | } | |
79 | ||
80 | //________________________________________________________________ | |
81 | AliT0CalibWalk &AliT0CalibWalk::operator =(const AliT0CalibWalk& calibda) | |
82 | { | |
83 | // assignment operator | |
84 | SetName(calibda.GetName()); | |
85 | SetTitle(calibda.GetName()); | |
86 | ||
87 | return *this; | |
88 | } | |
89 | ||
90 | //________________________________________________________________ | |
91 | AliT0CalibWalk::~AliT0CalibWalk() | |
92 | { | |
93 | // | |
94 | } | |
95 | //________________________________________________________________ | |
96 | ||
97 | Bool_t AliT0CalibWalk::MakeWalkCorrGraph(const char *laserFile) | |
98 | { | |
99 | //make walk corerction for preprocessor | |
100 | Int_t npeaks = 20; | |
101 | Int_t sigma=3; | |
102 | Bool_t down=false; | |
103 | Int_t index[20]; | |
104 | Bool_t ok=true; | |
105 | Float_t mips[20]; | |
106 | Int_t nfound=0; | |
107 | ||
108 | gFile = TFile::Open(laserFile); | |
109 | if(!gFile) { | |
110 | AliError("No input laser data found "); | |
111 | } | |
112 | else | |
113 | { | |
114 | // gFile->ls(); | |
115 | TH1F* hAmp = (TH1F*) gFile->Get("hAmpLaser"); | |
116 | Int_t nmips=0; | |
117 | for (Int_t ibin=0; ibin<2000; ibin++) { | |
118 | Float_t bincont = hAmp->GetBinContent(ibin); | |
119 | if(bincont>0){ | |
120 | mips[nmips] = hAmp->GetXaxis()->GetBinCenter(ibin); | |
121 | cout<<ibin<<" bincont "<<bincont<<" amp "<< mips[nmips]<<endl; | |
122 | nmips++; | |
123 | } | |
124 | } | |
125 | ||
126 | if (nmips<17) { | |
127 | ok=false; | |
128 | return ok; | |
129 | } | |
130 | ||
131 | Float_t x1[50], y1[50]; | |
132 | Float_t x2[50], xx2[50],y2[50]; | |
133 | Float_t xx1[50],yy1[50], xx[50]; | |
134 | ||
135 | Float_t cfd0[24]; | |
136 | Int_t startim = 0; | |
137 | ||
138 | for (Int_t ii=0; ii<nmips; ii++) | |
139 | x1[ii] = y1[ii] = x2[ii] = y2[ii] = 0; | |
140 | ||
141 | for (Int_t i=0; i<24; i++) | |
142 | { | |
143 | for (Int_t im=startim; im<nmips; im++) | |
144 | { | |
145 | TString cfd = Form("hCFD%i_%i",i+1,im+1); | |
146 | TString qtc = Form("hQTC%i_%i",i+1,im+1); | |
147 | TString led = Form("hLED%i_%i",i+1,im+1); | |
148 | ||
149 | TH1F *hCFD = (TH1F*) gFile->Get(cfd.Data()) ; | |
150 | TH1F *hLED = (TH1F*) gFile->Get(led.Data()); | |
151 | TH1F *hQTC = (TH1F*) gFile->Get(qtc.Data()) ; | |
152 | hCFD->SetDirectory(0); | |
153 | hQTC->SetDirectory(0); | |
154 | hLED->SetDirectory(0); | |
155 | if(!hCFD ) | |
156 | AliWarning(Form(" no CFD data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im])); | |
157 | if(!hQTC ) | |
158 | AliWarning(Form(" no QTC correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im])); | |
159 | if(!hLED) | |
160 | AliWarning(Form(" no LED correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im])); | |
161 | ||
162 | if(hCFD ) { | |
163 | TSpectrum *s = new TSpectrum(2*npeaks,1); | |
164 | nfound = s->Search(hCFD,sigma," ",0.1); | |
165 | if(nfound!=0){ | |
166 | Float_t *xpeak = s->GetPositionX(); | |
167 | TMath::Sort(nfound, xpeak, index,down); | |
168 | Float_t xp = xpeak[index[0]]; | |
169 | Double_t hmax = xp+3*sigma; | |
170 | Double_t hmin = xp-3*sigma; | |
171 | hCFD->GetXaxis()->SetRangeUser(hmin-10,hmax+10); | |
172 | } | |
173 | else | |
174 | { | |
175 | hCFD->Rebin(2); | |
176 | TSpectrum *s1 = new TSpectrum(2*npeaks,1); | |
177 | nfound = s1->Search(hCFD,sigma," ",0.1); | |
178 | if(nfound!=0){ | |
179 | Float_t *xpeak = s1->GetPositionX(); | |
180 | TMath::Sort(nfound, xpeak, index,down); | |
181 | Float_t xp = xpeak[index[0]]; | |
182 | Double_t hmax = xp+3*sigma; | |
183 | Double_t hmin = xp-3*sigma; | |
184 | hCFD->GetXaxis()->SetRangeUser(hmin-10,hmax+10); | |
185 | } | |
186 | else | |
187 | { | |
188 | ok=false; | |
189 | printf("no peak in CFD spectrum for PMT %i amplitude %i\n",i,im); | |
190 | return ok; | |
191 | } | |
192 | ||
193 | } | |
194 | ||
195 | if (im == 0) cfd0[i] = hCFD->GetMean(); | |
196 | y1[im] = hCFD->GetMean() - cfd0[i]; | |
197 | } | |
198 | if( hQTC) { | |
199 | x1[im] = hQTC->GetMean(); | |
200 | if( x1[im] == 0) { | |
201 | ok=false; | |
202 | printf("no peak in QTC signal for PMT %i amplitude %i\n",i,im); | |
203 | return ok; | |
204 | } | |
205 | } | |
206 | ||
207 | if( hLED){ | |
208 | TSpectrum *s = new TSpectrum(2*npeaks,1); | |
209 | nfound = s->Search(hLED,sigma," ",0.1); | |
210 | if(nfound!=0){ | |
211 | Float_t *xpeak = s->GetPositionX(); | |
212 | TMath::Sort(nfound, xpeak, index,down); | |
213 | Float_t xp = xpeak[index[0]]; | |
214 | Double_t hmax = xp+10*sigma; | |
215 | Double_t hmin = xp-10*sigma; | |
216 | hLED->GetXaxis()->SetRangeUser(hmin-10,hmax+10); | |
217 | } | |
218 | else | |
219 | { | |
220 | ok=false; | |
221 | printf("no peak in LED spectrum for PMT %i amplitude %i\n",i,im); | |
222 | return ok; | |
223 | } | |
224 | x2[im] = hLED->GetMean(); | |
225 | xx2[im] = x2[nmips-im-1]; | |
226 | } | |
227 | xx[im]=mips[im]; | |
228 | ||
229 | if (hQTC) delete hQTC; | |
230 | if (hCFD) delete hCFD; | |
231 | if (hLED) delete hLED; | |
232 | } | |
233 | ||
234 | for (Int_t imi=0; imi<nmips; imi++) | |
235 | { | |
236 | yy1[imi] = Float_t (mips[nmips-imi-1]); | |
237 | xx1[imi] = x2[nmips-imi-1]; | |
238 | // cout<<" LED rev "<<i<<" "<<imi<<" "<<xx1[imi]<<" "<< yy1[imi]<<"nmips-imi-1 = "<< nmips-imi-1<<endl; | |
239 | } | |
240 | ||
241 | if(i==0) cout<<"Making graphs..."<<endl; | |
242 | ||
243 | ||
244 | /* | |
245 | ||
246 | ||
247 | Float_t x1[50], y1[50]; | |
248 | Float_t x2[50], xx2[50],y2[50]; | |
249 | Float_t xx1[50],yy1[50], xx[50]; | |
250 | ||
251 | Int_t nmips=20; | |
252 | for (Int_t i=0; i<24; i++) | |
253 | { | |
254 | ||
255 | for (Int_t im=0; im<nmips; im++) | |
256 | { | |
257 | x1[im]=xx[im]=500+im*200; | |
258 | y1[im]=0; | |
259 | x2[im]=xx1[im]=yy1[im]=260+20*im; | |
260 | } | |
261 | */ | |
262 | TGraph *grwalkqtc = new TGraph (nmips,x1,y1); | |
263 | grwalkqtc->SetTitle(Form("PMT%i",i)); | |
264 | TGraph *grwalkled = new TGraph (nmips,x2,y1); | |
265 | grwalkled->SetTitle(Form("PMT%i",i)); | |
266 | fWalk.AddAtAndExpand(grwalkqtc,i); | |
267 | fAmpLEDRec.AddAtAndExpand(grwalkled,i); | |
268 | // cout<<" add walk "<<i<<endl; | |
269 | ||
270 | //fit amplitude graphs to make comparison wth new one | |
271 | TGraph *grampled = new TGraph (nmips,xx1,yy1); | |
272 | TGraph *grqtc = new TGraph (nmips,x1,xx); | |
273 | fQTC.AddAtAndExpand(grqtc,i); | |
274 | fAmpLED.AddAtAndExpand(grampled,i); | |
275 | // cout<<" add amp "<<i<<endl; | |
276 | ||
277 | if(i==23) | |
278 | cout<<"Graphs created..."<<endl; | |
279 | } | |
280 | } //if gFile exits | |
281 | ||
282 | return ok; | |
283 | } | |
284 | ||
285 | ||
286 | ||
287 |