new DA for amplitude calibration
[u/mrichter/AliRoot.git] / T0 / AliT0CalibWalk.cxx
CommitLineData
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>
8f1790c4 36#include <TF1.h>
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("$ALICE_ROOT/T0/data/CFD-Amp.txt");
107 ifstream inFile(filename);
108 if(!inFile) AliError(Form("Cannot open file %s !",filename));
109
110 Int_t i=0;
111 while(getline(inFile,buffer)){
112 inFile >> ps >> mv;
113
114 x[i]=ps; y[i]=mv;
115 i++;
116 }
117 inFile.close();
8f1790c4 118 // cout<<" number of data "<<i<<endl;
a2ad8166 119
120 TMath::Sort(i, y, index,down);
121 Int_t amp=0, iin=0, isum=0, sum=0;
122 Int_t ind=0;
123 for (Int_t ii=0; ii<i; ii++)
124 {
125 ind=index[ii];
126 if(y[ind] == amp)
127 {
128 sum +=x[ind];
129 iin++;
130 }
131 else
132 {
133 if(iin>0)
134 time[isum] = Float_t (sum/(iin));
135 else
136 time[isum] =Float_t (x[ind]);
137 amplitude[isum] = Float_t (amp);
138 amp=y[ind];
139 iin=0;
140 isum++;
141 sum=0;
142 }
143 }
144
145 inFile.close();
146
147 TGraph* gr = new TGraph(isum, amplitude, time);
148 fWalk.AddAtAndExpand(gr,ipmt);
c883fdf2 149
150 //should be change to real
151 Double_t xq[10] = { 1220, 1370, 1542, 1697, 1860, 2023,2171,2331,2495,2684};
152 Double_t yq[10] = {1,2,3,4,5,6,7,8,9,10};
153 TGraph* gr1 = new TGraph(10, xq, yq);
154 fQTC.AddAtAndExpand(gr1,ipmt);
a2ad8166 155}
156
157//________________________________________________________________
158
159void AliT0CalibWalk::SetAmpLEDRec(Int_t ipmt)
160{
7576945f 161 // read LED walk from external file
a2ad8166 162 Float_t mv, ps;
163 Float_t x[100], y[100];
164 string buffer;
165
166 const char * filename = gSystem->ExpandPathName("$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
8f1790c4 197 Int_t nmips=14;
c2337900 198 gFile = TFile::Open(laserFile);
6318dd46 199 if(!gFile) {
200 AliError("No input laser data found ");
201 }
202 else
203 {
8f1790c4 204 // gFile->ls();
205
206 Float_t x1[14], y1[14];
207 Float_t x2[14], y2[14];
208
209 Float_t mips[14] = {1.,2,3,4,5,6,7,8,9,10,20,30,40,50};
210
211 Float_t xx1[14],yy1[14], xx[14];
212 for (Int_t ii=0; ii<14; ii++)
95f63b36 213 { x1[ii]=0; y1[ii]=0; x2[ii]=0; y2[ii]=0; }
214
215
8f1790c4 216 TH2F* hCFDvsQTC[24][14]; TH2F* hCFDvsLED[24][14];
95f63b36 217
218 for (Int_t i=0; i<24; i++)
c883fdf2 219 {
8f1790c4 220 for (Int_t im=0; im<nmips; im++)
221 {
95f63b36 222 TString qtc = Form("CFDvsQTC%i_%i",i+1,im+1);
223 TString led = Form("CFDvsLED%i_%i",i+1,im+1);
95f63b36 224 hCFDvsQTC[i][im] = (TH2F*) gFile->Get(qtc.Data()) ;
225 hCFDvsLED[i][im] = (TH2F*) gFile->Get(led.Data());
226
8f1790c4 227 if(!hCFDvsQTC[i][im] || !hCFDvsLED[i][im])
228 AliWarning(Form(" no walk correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
95f63b36 229
0c2f5b5a 230 Float_t qtc0 = hCFDvsQTC[i][0]->GetMean(2);
8f1790c4 231 if(hCFDvsQTC[i][im])
95f63b36 232 {
233 x1[im] = hCFDvsQTC[i][im]->GetMean(1);
0c2f5b5a 234 y1[im] = hCFDvsQTC[i][im]->GetMean(2) - qtc0;
8f1790c4 235 }
0c2f5b5a 236 Float_t led0 = hCFDvsLED[i][0]->GetMean(2);
8f1790c4 237 if( hCFDvsLED[i][im]){
95f63b36 238 x2[im] = hCFDvsLED[i][im]->GetMean(1);
0c2f5b5a 239 y2[im] = hCFDvsLED[i][im]->GetMean(2) - led0;
95f63b36 240 }
8f1790c4 241 xx[im]=mips[im];
e47b556f 242 }
8f1790c4 243 for (Int_t imi=0; imi<nmips; imi++)
95f63b36 244 {
8f1790c4 245 yy1[imi] = Float_t (mips[nmips-imi-1]);
246 xx1[imi] = x2[nmips-imi-1];
95f63b36 247 }
8f1790c4 248 if(i==0) cout<<"Making graphs..."<<endl;
95f63b36 249
8f1790c4 250 TGraph *grwalkqtc = new TGraph (nmips,x1,y1);
251 TGraph *grwalkled = new TGraph (nmips,x2,y2);
252 fWalk.AddAtAndExpand(grwalkqtc,i);
253 fAmpLEDRec.AddAtAndExpand(grwalkled,i);
254
255 //fit amplitude graphs to make comparison wth new one
256 TGraph *grampled = new TGraph (nmips,xx1,yy1);
257 TGraph *grqtc = new TGraph (nmips,x1,xx);
258 fQTC.AddAtAndExpand(grqtc,i);
259 fAmpLED.AddAtAndExpand(grampled,i);
260
261 //fit amplitude graphs
262 Double_t parled [2], parqtc[2];
263
264 TF1 *fuled = new TF1("fuled","expo",x1[0],x1[nmips]);
265 TF1 *fuqtc = new TF1 ("fuqtc","pol1",x1[0],x1[nmips]);
266 grqtc->Fit("fuqtc","Q"," ",x1[0],x1[nmips]);
267 grampled->Fit("fuled","Q"," ",xx1[0],xx1[nmips]);
268 fuled->GetParameters(&parled[0]);
269 fuqtc->GetParameters(&parqtc[0]);
270
271 for(Int_t ipar=0; ipar<2; ipar++) {
272 SetQTCpar(i,ipar,parqtc[ipar]);
273 SetAmpLEDpar(i,ipar,parled[ipar]);
274 // cout<<" pars :::: "<<i<<" "<<ipar<<" qtc "<<parqtc[ipar]<<" led "<<parled[ipar]<<endl;
275 }
276
95f63b36 277 if(i==23){
278 cout<<"Graphs created..."<<endl;
279 }
271b5bd3 280 }
6318dd46 281 } //if gFile exits
a2ad8166 282}
283
c883fdf2 284
285
286