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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 | // // | |
20 | // class T0 walk correction Alla Maevskaya alla@inr.ru 20.11.2007 // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include "AliT0CalibWalk.h" | |
a2ad8166 | 25 | #include "AliLog.h" |
a2ad8166 | 26 | |
27 | #include <TObjArray.h> | |
28 | #include <TGraph.h> | |
29 | #include <TFile.h> | |
a2ad8166 | 30 | #include <TH2F.h> |
31 | #include <TMath.h> | |
32 | #include <TSystem.h> | |
33 | #include <Riostream.h> | |
34 | #include <TSpectrum.h> | |
a2ad8166 | 35 | #include <TProfile.h> |
36 | ||
a2ad8166 | 37 | |
38 | ClassImp(AliT0CalibWalk) | |
39 | ||
40 | //________________________________________________________________ | |
41 | AliT0CalibWalk::AliT0CalibWalk(): TNamed(), | |
42 | fWalk(0), | |
43 | fAmpLEDRec(0) | |
44 | { | |
45 | // | |
46 | } | |
47 | ||
48 | //________________________________________________________________ | |
49 | AliT0CalibWalk::AliT0CalibWalk(const char* name):TNamed(), | |
50 | fWalk(0), | |
51 | fAmpLEDRec(0) | |
52 | { | |
53 | TString namst = "Calib_"; | |
54 | namst += name; | |
55 | SetName(namst.Data()); | |
56 | SetTitle(namst.Data()); | |
57 | ||
58 | } | |
59 | ||
60 | //________________________________________________________________ | |
61 | AliT0CalibWalk::AliT0CalibWalk(const AliT0CalibWalk& calibda) : | |
62 | TNamed(calibda), | |
63 | fWalk(0), | |
64 | fAmpLEDRec(0) | |
65 | ||
66 | { | |
67 | // copy constructor | |
68 | SetName(calibda.GetName()); | |
69 | SetTitle(calibda.GetName()); | |
70 | ||
71 | ||
72 | } | |
73 | ||
74 | //________________________________________________________________ | |
75 | AliT0CalibWalk &AliT0CalibWalk::operator =(const AliT0CalibWalk& calibda) | |
76 | { | |
77 | // assignment operator | |
78 | SetName(calibda.GetName()); | |
79 | SetTitle(calibda.GetName()); | |
80 | ||
81 | return *this; | |
82 | } | |
83 | ||
84 | //________________________________________________________________ | |
85 | AliT0CalibWalk::~AliT0CalibWalk() | |
86 | { | |
87 | // | |
88 | } | |
89 | //________________________________________________________________ | |
90 | void AliT0CalibWalk::SetWalk(Int_t ipmt) | |
91 | { | |
7576945f | 92 | //read QTC walk graph from external file |
a2ad8166 | 93 | |
94 | Int_t mv, ps; | |
95 | Int_t x[70000], y[70000], index[70000]; | |
96 | Float_t time[10000],amplitude[10000]; | |
97 | string buffer; | |
98 | Bool_t down=false; | |
99 | ||
100 | const char * filename = gSystem->ExpandPathName("$ALICE_ROOT/T0/data/CFD-Amp.txt"); | |
101 | ifstream inFile(filename); | |
102 | if(!inFile) AliError(Form("Cannot open file %s !",filename)); | |
103 | ||
104 | Int_t i=0; | |
105 | while(getline(inFile,buffer)){ | |
106 | inFile >> ps >> mv; | |
107 | ||
108 | x[i]=ps; y[i]=mv; | |
109 | i++; | |
110 | } | |
111 | inFile.close(); | |
112 | cout<<" number of data "<<i<<endl; | |
113 | ||
114 | TMath::Sort(i, y, index,down); | |
115 | Int_t amp=0, iin=0, isum=0, sum=0; | |
116 | Int_t ind=0; | |
117 | for (Int_t ii=0; ii<i; ii++) | |
118 | { | |
119 | ind=index[ii]; | |
120 | if(y[ind] == amp) | |
121 | { | |
122 | sum +=x[ind]; | |
123 | iin++; | |
124 | } | |
125 | else | |
126 | { | |
127 | if(iin>0) | |
128 | time[isum] = Float_t (sum/(iin)); | |
129 | else | |
130 | time[isum] =Float_t (x[ind]); | |
131 | amplitude[isum] = Float_t (amp); | |
132 | amp=y[ind]; | |
133 | iin=0; | |
134 | isum++; | |
135 | sum=0; | |
136 | } | |
137 | } | |
138 | ||
139 | inFile.close(); | |
140 | ||
141 | TGraph* gr = new TGraph(isum, amplitude, time); | |
142 | fWalk.AddAtAndExpand(gr,ipmt); | |
143 | } | |
144 | ||
145 | //________________________________________________________________ | |
146 | ||
147 | void AliT0CalibWalk::SetAmpLEDRec(Int_t ipmt) | |
148 | { | |
7576945f | 149 | // read LED walk from external file |
a2ad8166 | 150 | Float_t mv, ps; |
151 | Float_t x[100], y[100]; | |
152 | string buffer; | |
153 | ||
154 | const char * filename = gSystem->ExpandPathName("$ALICE_ROOT/T0/data/CFD-LED.txt"); | |
155 | ifstream inFile(filename); | |
156 | if(!inFile) {AliError(Form("Cannot open file %s !",filename));} | |
157 | ||
158 | inFile >> mv>>ps; | |
159 | Int_t i=0; | |
160 | ||
161 | while(getline(inFile,buffer)){ | |
162 | x[i]=mv; y[i]=ps; | |
163 | inFile >> mv >> ps; | |
164 | i++; | |
165 | } | |
166 | inFile.close(); | |
167 | Float_t y1[100], x1[100]; | |
168 | for (Int_t ir=0; ir<i; ir++){ | |
169 | y1[ir]=y[i-ir]; x1[ir]=x[i-ir];} | |
170 | TGraph* gr = new TGraph(i,y1,x1); | |
171 | fAmpLEDRec.AddAtAndExpand(gr,ipmt); | |
172 | ||
173 | } | |
174 | ||
175 | //________________________________________________________________ | |
176 | ||
177 | void AliT0CalibWalk::MakeWalkCorrGraph(const char *laserFile) | |
178 | { | |
7576945f | 179 | //make walk corerction for preprocessor |
180 | ||
a2ad8166 | 181 | TFile *gFile = TFile::Open(laserFile); |
a8d3b391 | 182 | //gSystem->Load("libSpectrum"); |
a2ad8166 | 183 | TGraph *gr[24]; |
f35a2c6c | 184 | TGraph *grLED[24]; |
a2ad8166 | 185 | Int_t npeaks = 20; |
186 | Int_t sigma=3; | |
187 | Bool_t down=false; | |
188 | ||
189 | Int_t index[20]; | |
f35a2c6c | 190 | Char_t buf1[10], buf2[10], buf3[10], title[10], title2[10], titleLED[10], title2LED[10]; |
5ce9c64b | 191 | TSpectrum *s = new TSpectrum(2*npeaks,1.); |
a2ad8166 | 192 | |
f35a2c6c | 193 | for (Int_t d=0; d<2; d++) |
a2ad8166 | 194 | { |
f35a2c6c | 195 | for (Int_t i=0; i<12; i++) |
a2ad8166 | 196 | { |
f35a2c6c | 197 | sprintf(buf1,"T0_C_%i_CFD",i+1); |
198 | if (d==0) | |
199 | { | |
200 | sprintf(buf2,"CFD_QTC%i",i+1); | |
201 | } | |
202 | else | |
203 | { | |
204 | sprintf(buf3,"CFD_LED%i",i+1); | |
205 | } | |
7576945f | 206 | TH2F *qtccfd = (TH2F*) gFile->Get(buf2); |
207 | TH2F *ledcfd = (TH2F*) gFile->Get(buf3); | |
f35a2c6c | 208 | // cout<<buf1<<" "<<buf2<<endl; |
209 | TH1F *cfd = (TH1F*) gFile->Get(buf1); | |
f35a2c6c | 210 | Int_t nfound = s->Search(cfd,sigma,"goff",0.05); |
211 | // cout<<"Found "<<nfound<<" peaks sigma "<<sigma<<endl; | |
212 | if(nfound!=0) | |
a2ad8166 | 213 | { |
f35a2c6c | 214 | Float_t *xpeak = s->GetPositionX(); |
215 | TMath::Sort(nfound, xpeak, index,down); | |
216 | Float_t xp = xpeak[index[0]]; | |
217 | Float_t hmax = xp+10*sigma; | |
218 | Float_t hmin = xp-10*sigma; | |
219 | if (d==0) | |
220 | { | |
7576945f | 221 | Int_t nbins= qtccfd->GetXaxis()->GetNbins(); |
222 | TProfile *prY = qtccfd->ProfileX(); | |
223 | prY->SetMaximum(hmax); | |
224 | prY->SetMinimum(hmin); | |
f35a2c6c | 225 | Int_t np=nbins/20; |
226 | Double_t *xx = new Double_t[np]; | |
227 | Double_t *yy = new Double_t[np]; | |
228 | Int_t ng=0; | |
229 | Double_t yg=0; | |
230 | for (Int_t ip=1; ip<nbins; ip++) | |
a2ad8166 | 231 | { |
f35a2c6c | 232 | if(ip%20 != 0 ) |
233 | { | |
7576945f | 234 | if (prY->GetBinContent(ip) !=0) |
f35a2c6c | 235 | { |
7576945f | 236 | yg +=prY->GetBinContent(ip); |
f35a2c6c | 237 | } |
238 | ng++; | |
239 | } | |
240 | else | |
241 | { | |
7576945f | 242 | xx[ip/20] = Float_t (prY->GetBinCenter(ip)); |
f35a2c6c | 243 | yy[ip/20] = yg/ng; |
244 | yg=0; | |
245 | ng=0; | |
246 | } | |
a2ad8166 | 247 | } |
f35a2c6c | 248 | sprintf(title,"Walk %i",i+1); |
249 | gr[i] = new TGraph(np,xx,yy); | |
250 | gr[i]->SetTitle(title); | |
251 | gr[i]->SetMinimum(hmin); | |
252 | gr[i]->SetMaximum(hmax); | |
253 | gr[i]->SetMarkerStyle(7); | |
254 | sprintf(title2,"Walk %i",i+13); | |
255 | gr[i+12] = new TGraph(np,xx,yy); | |
256 | gr[i+12]->SetTitle(title2); | |
257 | gr[i+12]->SetMinimum(hmin); | |
258 | gr[i+12]->SetMaximum(hmax); | |
259 | gr[i+12]->SetMarkerStyle(7); | |
6b7d32f7 | 260 | |
f35a2c6c | 261 | fWalk.AddAtAndExpand(gr[i],i); |
262 | fWalk.AddAtAndExpand(gr[i+12],i+12); | |
263 | delete [] xx; | |
264 | delete [] yy; | |
7576945f | 265 | delete prY; |
f35a2c6c | 266 | } |
267 | else | |
268 | { | |
7576945f | 269 | Int_t nbinsLED= ledcfd->GetXaxis()->GetNbins(); |
270 | TProfile *prYLED = ledcfd->ProfileX(); | |
271 | prYLED->SetMaximum(hmax); | |
272 | prYLED->SetMinimum(hmin); | |
f35a2c6c | 273 | Int_t npLED=nbinsLED/20; |
274 | Double_t *xxLED = new Double_t[npLED]; | |
275 | Double_t *yyLED = new Double_t[npLED]; | |
276 | Int_t ngLED=0; | |
277 | Double_t ygLED=0; | |
278 | for (Int_t ip=1; ip<nbinsLED; ip++) | |
279 | { | |
280 | if(ip%20 != 0 ) | |
281 | { | |
7576945f | 282 | if (prYLED->GetBinContent(ip) !=0) |
f35a2c6c | 283 | { |
7576945f | 284 | ygLED +=prYLED->GetBinContent(ip); |
f35a2c6c | 285 | } |
286 | ngLED++; | |
287 | } | |
288 | else | |
289 | { | |
7576945f | 290 | xxLED[ip/20] = Float_t (prYLED->GetBinCenter(ip)); |
f35a2c6c | 291 | yyLED[ip/20] = ygLED/ngLED; |
292 | ygLED=0; | |
293 | ngLED=0; | |
294 | } | |
295 | } | |
296 | sprintf(titleLED,"Walk LED %i",i+1); | |
297 | grLED[i] = new TGraph(npLED,xxLED,yyLED); | |
298 | grLED[i]->SetTitle(titleLED); | |
299 | grLED[i]->SetMinimum(hmin); | |
300 | grLED[i]->SetMaximum(hmax); | |
301 | grLED[i]->SetMarkerStyle(7); | |
302 | sprintf(title2LED,"Walk LED%i",i+13); | |
303 | grLED[i+12] = new TGraph(npLED,xxLED,yyLED); | |
304 | grLED[i+12]->SetTitle(title2LED); | |
305 | grLED[i+12]->SetMinimum(hmin); | |
306 | grLED[i+12]->SetMaximum(hmax); | |
307 | grLED[i+12]->SetMarkerStyle(7); | |
308 | ||
309 | fAmpLEDRec.AddAtAndExpand(grLED[i],i); | |
310 | fAmpLEDRec.AddAtAndExpand(grLED[i+12],i+12); | |
311 | delete [] xxLED; | |
312 | delete [] yyLED; | |
7576945f | 313 | delete prYLED; |
f35a2c6c | 314 | } |
315 | } | |
5ce9c64b | 316 | delete cfd; |
7576945f | 317 | delete qtccfd; |
318 | delete ledcfd; | |
a2ad8166 | 319 | } |
320 | } | |
321 | ||
a2ad8166 | 322 | } |
323 |