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 //________________________________________________________________
96 void AliT0CalibWalk::SetWalk(Int_t ipmt)
98 //read QTC walk graph from external file
101 Int_t x[70000], y[70000], index[70000];
102 Float_t time[10000],amplitude[10000];
106 const char * filename = gSystem->ExpandPathName("$ALICE_ROOT/T0/data/CFD-Amp.txt");
107 ifstream inFile(filename);
108 if(!inFile) AliError(Form("Cannot open file %s !",filename));
111 while(getline(inFile,buffer)){
118 cout<<" number of data "<<i<<endl;
120 TMath::Sort(i, y, index,down);
121 Int_t amp=0, iin=0, isum=0, sum=0;
123 for (Int_t ii=0; ii<i; ii++)
134 time[isum] = Float_t (sum/(iin));
136 time[isum] =Float_t (x[ind]);
137 amplitude[isum] = Float_t (amp);
147 TGraph* gr = new TGraph(isum, amplitude, time);
148 fWalk.AddAtAndExpand(gr,ipmt);
150 //should be change to real
151 Double_t xq[10] = { 1220, 1370, 1542, 1697, 1860, 2023,2171,2331,2495,2684};
152 Double_t yq[10] = {1,2,3,4,5,6,7,8,9,10};
153 TGraph* gr1 = new TGraph(10, xq, yq);
154 fQTC.AddAtAndExpand(gr1,ipmt);
157 //________________________________________________________________
159 void AliT0CalibWalk::SetAmpLEDRec(Int_t ipmt)
161 // read LED walk from external file
163 Float_t x[100], y[100];
166 const char * filename = gSystem->ExpandPathName("$ALICE_ROOT/T0/data/CFD-LED.txt");
167 ifstream inFile(filename);
168 if(!inFile) {AliError(Form("Cannot open file %s !",filename));}
173 while(getline(inFile,buffer)){
179 Float_t y1[100], x1[100];
180 for (Int_t ir=0; ir<i; ir++){
181 y1[ir]=y[i-ir]; x1[ir]=x[i-ir];}
182 TGraph* gr = new TGraph(i,y1,x1);
183 fAmpLEDRec.AddAtAndExpand(gr,ipmt);
184 //should be change to real
185 Double_t xq[10] = { 411, 412,413,415,417,419,422,428,437,452};
186 Double_t yq[10] = {1,2,3,4,5,6,7,8,9,10};
187 TGraph* gr1 = new TGraph(10, xq, yq);
188 fAmpLED.AddAtAndExpand(gr1,ipmt);
192 //________________________________________________________________
194 void AliT0CalibWalk::MakeWalkCorrGraph(const char *laserFile)
196 //make walk corerction for preprocessor
198 gFile = TFile::Open(laserFile);
200 AliError("No input laser data found ");
205 Float_t x1[10], y1[10];
206 Float_t x2[10], y2[10];
208 Float_t xx1[10],yy1[10], xx[10];
209 for (Int_t ii=0; ii<10; ii++)
210 { x1[ii]=0; y1[ii]=0; x2[ii]=0; y2[ii]=0; }
213 TH2F* hCFDvsQTC[24][10]; TH2F* hCFDvsLED[24][10];
215 for (Int_t i=0; i<24; i++)
217 for (Int_t im=0; im<10; im++)
220 TString qtc = Form("CFDvsQTC%i_%i",i+1,im+1);
221 TString led = Form("CFDvsLED%i_%i",i+1,im+1);
222 cout<<qtc<<" "<<led<<endl;
223 hCFDvsQTC[i][im] = (TH2F*) gFile->Get(qtc.Data()) ;
224 hCFDvsLED[i][im] = (TH2F*) gFile->Get(led.Data());
226 // if(!hCFDvsQTC[i][im] || !hCFDvsLED[i][im])
227 // AliWarning(Form(" no walk correction data in LASER DA for channel %i for amplitude %i MIPs",i,im));
229 if(hCFDvsQTC[i][im] && hCFDvsLED[i][im])
231 x1[im] = hCFDvsQTC[i][im]->GetMean(1);
232 y1[im] = hCFDvsQTC[i][im]->GetMean(2);
233 x2[im] = hCFDvsLED[i][im]->GetMean(1);
234 y2[im] = hCFDvsLED[i][im]->GetMean(2);
238 for (Int_t imi=0; imi<10; imi++)
240 yy1[imi] = Float_t (10-imi);
241 xx1[imi]=x2[10-imi-1];
244 cout<<"Making graphs..."<<endl;
246 TGraph *gr1 = new TGraph (10,x1,y1);
247 TGraph *gr2 = new TGraph (10,x2,y2);
248 fWalk.AddAtAndExpand(gr1,i);
249 fAmpLEDRec.AddAtAndExpand(gr2,i);
253 TGraph *gr4 = new TGraph (10,xx1,yy1);
254 TGraph *gr3 = new TGraph (10,x1,xx);
255 fQTC.AddAtAndExpand(gr3,i);
256 fAmpLED.AddAtAndExpand(gr4,i);
257 // for (Int_t im=0; im<10; im++) { x2[im]=0; y2[im]=0; xx1[im]=0; xx[im]=0;}
259 cout<<"Graphs created..."<<endl;