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<1000; ibin++) {
118 Float_t bincont = hAmp->GetBinContent(ibin);
120 mips[nmips] = hAmp->GetXaxis()->GetBinCenter(ibin);
121 cout<<ibin<<" bincont "<<bincont<<" amp "<< mips[nmips]<<endl;
126 if (nmips<15) ok=false;
128 Float_t x1[50], y1[50];
129 Float_t x2[50], xx2[50],y2[50];
130 Float_t xx1[50],yy1[50], xx[50];
135 for (Int_t ii=0; ii<nmips; ii++)
136 x1[ii] = y1[ii] = x2[ii] = y2[ii] = 0;
138 for (Int_t i=0; i<24; i++)
140 for (Int_t im=startim; im<nmips; im++)
142 TString cfd = Form("hCFD%i_%i",i+1,im+1);
143 TString qtc = Form("hQTC%i_%i",i+1,im+1);
144 TString led = Form("hLED%i_%i",i+1,im+1);
146 TH1F *hCFD = (TH1F*) gFile->Get(cfd.Data()) ;
147 TH1F *hLED = (TH1F*) gFile->Get(led.Data());
148 TH1F *hQTC = (TH1F*) gFile->Get(qtc.Data()) ;
149 hCFD->SetDirectory(0);
150 hQTC->SetDirectory(0);
151 hLED->SetDirectory(0);
153 AliWarning(Form(" no CFD data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
155 AliWarning(Form(" no QTC correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
157 AliWarning(Form(" no LED correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
160 hCFD->GetXaxis()->SetRangeUser(32200,32450);
161 TSpectrum *s = new TSpectrum(2*npeaks,1);
162 nfound = s->Search(hCFD,sigma," ",0.1);
164 Float_t *xpeak = s->GetPositionX();
165 TMath::Sort(nfound, xpeak, index,down);
166 Float_t xp = xpeak[index[0]];
167 Double_t hmax = xp+3*sigma;
168 Double_t hmin = xp-3*sigma;
169 hCFD->GetXaxis()->SetRangeUser(hmin-10,hmax+10);
174 TSpectrum *s1 = new TSpectrum(2*npeaks,1);
175 nfound = s1->Search(hCFD,sigma," ",0.1);
177 Float_t *xpeak = s1->GetPositionX();
178 TMath::Sort(nfound, xpeak, index,down);
179 Float_t xp = xpeak[index[0]];
180 Double_t hmax = xp+3*sigma;
181 Double_t hmin = xp-3*sigma;
182 hCFD->GetXaxis()->SetRangeUser(hmin-10,hmax+10);
188 if (im == 0) cfd0[i] = hCFD->GetMean();
189 y1[im] = hCFD->GetMean() - cfd0[i];
191 if( hQTC) x1[im] = hQTC->GetMean();
194 TSpectrum *s = new TSpectrum(2*npeaks,1);
195 nfound = s->Search(hLED,sigma," ",0.1);
197 Float_t *xpeak = s->GetPositionX();
198 TMath::Sort(nfound, xpeak, index,down);
199 Float_t xp = xpeak[index[0]];
200 Double_t hmax = xp+10*sigma;
201 Double_t hmin = xp-10*sigma;
202 hLED->GetXaxis()->SetRangeUser(hmin-10,hmax+10);
206 x2[im] = hLED->GetMean();
207 xx2[im] = x2[nmips-im-1];
211 if (hQTC) delete hQTC;
212 if (hCFD) delete hCFD;
213 if (hLED) delete hLED;
216 for (Int_t imi=0; imi<nmips; imi++)
218 yy1[imi] = Float_t (mips[nmips-imi-1]);
219 xx1[imi] = x2[nmips-imi-1];
220 // cout<<" LED rev "<<i<<" "<<imi<<" "<<xx1[imi]<<" "<< yy1[imi]<<"nmips-imi-1 = "<< nmips-imi-1<<endl;
223 if(i==0) cout<<"Making graphs..."<<endl;
225 TGraph *grwalkqtc = new TGraph (nmips,x1,y1);
226 grwalkqtc->SetTitle(Form("PMT%i",i));
227 TGraph *grwalkled = new TGraph (nmips,x2,y1);
228 grwalkled->SetTitle(Form("PMT%i",i));
229 fWalk.AddAtAndExpand(grwalkqtc,i);
230 fAmpLEDRec.AddAtAndExpand(grwalkled,i);
231 // cout<<" add walk "<<i<<endl;
233 //fit amplitude graphs to make comparison wth new one
234 TGraph *grampled = new TGraph (nmips,xx1,yy1);
235 TGraph *grqtc = new TGraph (nmips,x1,xx);
236 fQTC.AddAtAndExpand(grqtc,i);
237 fAmpLED.AddAtAndExpand(grampled,i);
238 // cout<<" add amp "<<i<<endl;
241 cout<<"Graphs created..."<<endl;