New more general analysis implemention for particle identification and correlation...
[u/mrichter/AliRoot.git] / T0 / AliT0CalibWalk.cxx
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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 **************************************************************************/
271b5bd3 15
a2ad8166 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
38ClassImp(AliT0CalibWalk)
39
40//________________________________________________________________
41 AliT0CalibWalk::AliT0CalibWalk(): TNamed(),
42 fWalk(0),
c883fdf2 43 fAmpLEDRec(0),
44 fQTC(0),
45 fAmpLED(0)
a2ad8166 46{
47 //
48}
49
50//________________________________________________________________
51AliT0CalibWalk::AliT0CalibWalk(const char* name):TNamed(),
52 fWalk(0),
c883fdf2 53 fAmpLEDRec(0), fQTC(0),
54 fAmpLED(0)
55
a2ad8166 56{
57 TString namst = "Calib_";
58 namst += name;
59 SetName(namst.Data());
60 SetTitle(namst.Data());
61
62}
63
64//________________________________________________________________
65AliT0CalibWalk::AliT0CalibWalk(const AliT0CalibWalk& calibda) :
66 TNamed(calibda),
67 fWalk(0),
c883fdf2 68 fAmpLEDRec(0),
69 fQTC(0),
70 fAmpLED(0)
71
a2ad8166 72{
73// copy constructor
74 SetName(calibda.GetName());
75 SetTitle(calibda.GetName());
76
77
78}
79
80//________________________________________________________________
81AliT0CalibWalk &AliT0CalibWalk::operator =(const AliT0CalibWalk& calibda)
82{
83// assignment operator
84 SetName(calibda.GetName());
85 SetTitle(calibda.GetName());
86
87 return *this;
88}
89
90//________________________________________________________________
91AliT0CalibWalk::~AliT0CalibWalk()
92{
93 //
94}
95//________________________________________________________________
96void AliT0CalibWalk::SetWalk(Int_t ipmt)
97{
7576945f 98 //read QTC walk graph from external file
a2ad8166 99
100 Int_t mv, ps;
101 Int_t x[70000], y[70000], index[70000];
102 Float_t time[10000],amplitude[10000];
103 string buffer;
104 Bool_t down=false;
105
106 const char * filename = gSystem->ExpandPathName("$ALICE_ROOT/T0/data/CFD-Amp.txt");
107 ifstream inFile(filename);
108 if(!inFile) AliError(Form("Cannot open file %s !",filename));
109
110 Int_t i=0;
111 while(getline(inFile,buffer)){
112 inFile >> ps >> mv;
113
114 x[i]=ps; y[i]=mv;
115 i++;
116 }
117 inFile.close();
118 cout<<" number of data "<<i<<endl;
119
120 TMath::Sort(i, y, index,down);
121 Int_t amp=0, iin=0, isum=0, sum=0;
122 Int_t ind=0;
123 for (Int_t ii=0; ii<i; ii++)
124 {
125 ind=index[ii];
126 if(y[ind] == amp)
127 {
128 sum +=x[ind];
129 iin++;
130 }
131 else
132 {
133 if(iin>0)
134 time[isum] = Float_t (sum/(iin));
135 else
136 time[isum] =Float_t (x[ind]);
137 amplitude[isum] = Float_t (amp);
138 amp=y[ind];
139 iin=0;
140 isum++;
141 sum=0;
142 }
143 }
144
145 inFile.close();
146
147 TGraph* gr = new TGraph(isum, amplitude, time);
148 fWalk.AddAtAndExpand(gr,ipmt);
c883fdf2 149
150 //should be change to real
151 Double_t xq[10] = { 1220, 1370, 1542, 1697, 1860, 2023,2171,2331,2495,2684};
152 Double_t yq[10] = {1,2,3,4,5,6,7,8,9,10};
153 TGraph* gr1 = new TGraph(10, xq, yq);
154 fQTC.AddAtAndExpand(gr1,ipmt);
a2ad8166 155}
156
157//________________________________________________________________
158
159void AliT0CalibWalk::SetAmpLEDRec(Int_t ipmt)
160{
7576945f 161 // read LED walk from external file
a2ad8166 162 Float_t mv, ps;
163 Float_t x[100], y[100];
164 string buffer;
165
166 const char * filename = gSystem->ExpandPathName("$ALICE_ROOT/T0/data/CFD-LED.txt");
167 ifstream inFile(filename);
168 if(!inFile) {AliError(Form("Cannot open file %s !",filename));}
169
170 inFile >> mv>>ps;
171 Int_t i=0;
172
173 while(getline(inFile,buffer)){
174 x[i]=mv; y[i]=ps;
175 inFile >> mv >> ps;
176 i++;
177 }
178 inFile.close();
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);
c883fdf2 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);
a2ad8166 189
190}
191
192//________________________________________________________________
193
194void AliT0CalibWalk::MakeWalkCorrGraph(const char *laserFile)
195{
7576945f 196 //make walk corerction for preprocessor
c883fdf2 197
198 Double_t *grY ; //= new grY[2500] ;
199 Double_t *grX ;
a2ad8166 200 TFile *gFile = TFile::Open(laserFile);
c883fdf2 201 // gFile->ls();
c883fdf2 202 Float_t x1[10], y1[10];
203 Float_t x2[10], y2[10];
204
205 Float_t xx1[10],yy1[10], xx[10];
206
700e6b36 207
c883fdf2 208 TH2F* hCFDvsQTC[24][10]; TH2F* hCFDvsLED[24][10];
209
700e6b36 210 for (Int_t i=0; i<24; i++)
a2ad8166 211 {
c883fdf2 212 for (Int_t im=0; im<10; im++)
213 {
214
215 TString qtc = Form("QTCvsCFD%i_%i",i+1,im+1);
216 TString led = Form("LEDvsCFD%i_%i",i+1,im+1);
217 hCFDvsQTC[i][im] = (TH2F*) gFile->Get(qtc.Data()) ;
218 hCFDvsLED[i][im] = (TH2F*) gFile->Get(led.Data());
2e6a5ee0 219
c883fdf2 220 x1[im] = hCFDvsQTC[i][im]->GetMean(1);
221 y1[im] = hCFDvsQTC[i][im]->GetMean(2);
222 x2[im] = hCFDvsLED[i][im]->GetMean(1);
223 y2[im] = hCFDvsLED[i][im]->GetMean(2);
224 xx[im]=im+1;
225 //cout<<" qtc "<< x1[im]<<" "<< y1[im]<<endl;
226 }
227 for (Int_t imi=0; imi<10; imi++)
228 {
229 yy1[imi] = Float_t (10-imi);
230 xx1[imi]=x2[10-imi-1];
231
232 // cout<<i<<" "<<imi<<" "<<" qtc " <<x1[imi]<<" "<<xx[imi]<<
233 // " led "<<x2[imi]<<" "<<y2[imi]<<" led2d "<<yy1[imi]<<" "<<xx1[imi]<<endl;
234 }
271b5bd3 235 if(i==0){
236 cout<<"Making graphs..."<<endl;
237 }
c883fdf2 238 TGraph *gr1 = new TGraph (10,x1,y1);
239 TGraph *gr2 = new TGraph (10,x2,y2);
240 fWalk.AddAtAndExpand(gr1,i);
241 fAmpLEDRec.AddAtAndExpand(gr2,i);
242
700e6b36 243
c883fdf2 244
245 TGraph *gr4 = new TGraph (10,xx1,yy1);
246 TGraph *gr3 = new TGraph (10,x1,xx);
247 /*
248 if(gr4) {
249 Int_t np=gr4->GetN();
250 if(np>0) {
251 grY = gr4->GetY();
252 grX = gr4->GetX();
253 for (Int_t ig=0; ig<np; ig++)
254 cout<<i<<" "<<ig<<" "<<grX[ig]<<" "<<grY[ig]<<" eval "<<gr4->Eval(grX[ig])<<endl;
255 }
700e6b36 256 }
c883fdf2 257 */
258 fQTC.AddAtAndExpand(gr3,i);
259 fAmpLED.AddAtAndExpand(gr4,i);
260 // for (Int_t im=0; im<10; im++) { x2[im]=0; y2[im]=0; xx1[im]=0; xx[im]=0;}
271b5bd3 261 if(i==23){
262 cout<<"Graphs created..."<<endl;
263 }
a2ad8166 264 }
a2ad8166 265}
266
c883fdf2 267
268
269