1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 // class T0 walk correction Alla Maevskaya alla@inr.ru 20.11.2007 //
22 ///////////////////////////////////////////////////////////////////////////////
24 #include "AliT0CalibWalk.h"
27 #include <TObjArray.h>
33 #include <Riostream.h>
34 #include <TSpectrum.h>
38 ClassImp(AliT0CalibWalk)
40 //________________________________________________________________
41 AliT0CalibWalk::AliT0CalibWalk(): TNamed(),
50 //________________________________________________________________
51 AliT0CalibWalk::AliT0CalibWalk(const char* name):TNamed(),
53 fAmpLEDRec(0), fQTC(0),
57 TString namst = "Calib_";
59 SetName(namst.Data());
60 SetTitle(namst.Data());
64 //________________________________________________________________
65 AliT0CalibWalk::AliT0CalibWalk(const AliT0CalibWalk& calibda) :
74 SetName(calibda.GetName());
75 SetTitle(calibda.GetName());
80 //________________________________________________________________
81 AliT0CalibWalk &AliT0CalibWalk::operator =(const AliT0CalibWalk& calibda)
83 // assignment operator
84 SetName(calibda.GetName());
85 SetTitle(calibda.GetName());
90 //________________________________________________________________
91 AliT0CalibWalk::~AliT0CalibWalk()
95 //________________________________________________________________
97 Bool_t AliT0CalibWalk::MakeWalkCorrGraph(const char *laserFile)
99 //make walk corerction for preprocessor
108 gFile = TFile::Open(laserFile);
110 AliError("No input laser data found ");
115 TH1F* hAmp = (TH1F*) gFile->Get("hAmpLaser");
117 for (Int_t ibin=0; ibin<2000; ibin++) {
118 Float_t bincont = hAmp->GetBinContent(ibin);
120 mips[nmips] = hAmp->GetXaxis()->GetBinCenter(ibin);
121 cout<<ibin<<" bincont "<<bincont<<" amp "<< mips[nmips]<<endl;
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];
138 for (Int_t ii=0; ii<nmips; ii++)
139 x1[ii] = y1[ii] = x2[ii] = y2[ii] = 0;
141 for (Int_t i=0; i<24; i++)
143 for (Int_t im=startim; im<nmips; im++)
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);
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);
156 AliWarning(Form(" no CFD data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
158 AliWarning(Form(" no QTC correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
160 AliWarning(Form(" no LED correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
163 TSpectrum *s = new TSpectrum(2*npeaks,1);
164 nfound = s->Search(hCFD,sigma," ",0.1);
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);
176 TSpectrum *s1 = new TSpectrum(2*npeaks,1);
177 nfound = s1->Search(hCFD,sigma," ",0.1);
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);
189 printf("no peak in CFD spectrum for PMT %i amplitude %i\n",i,im);
195 if (im == 0) cfd0[i] = hCFD->GetMean();
196 y1[im] = hCFD->GetMean() - cfd0[i];
199 x1[im] = hQTC->GetMean();
202 printf("no peak in QTC signal for PMT %i amplitude %i\n",i,im);
208 TSpectrum *s = new TSpectrum(2*npeaks,1);
209 nfound = s->Search(hLED,sigma," ",0.1);
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);
221 printf("no peak in LED spectrum for PMT %i amplitude %i\n",i,im);
224 x2[im] = hLED->GetMean();
225 xx2[im] = x2[nmips-im-1];
229 if (hQTC) delete hQTC;
230 if (hCFD) delete hCFD;
231 if (hLED) delete hLED;
234 for (Int_t imi=0; imi<nmips; imi++)
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;
241 if(i==0) cout<<"Making graphs..."<<endl;
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];
252 for (Int_t i=0; i<24; i++)
255 for (Int_t im=0; im<nmips; im++)
257 x1[im]=xx[im]=500+im*200;
259 x2[im]=xx1[im]=yy1[im]=260+20*im;
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;
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;
278 cout<<"Graphs created..."<<endl;