T0/AliT0CalibWalk.cxx

   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  **************************************************************************/
  15
  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"
  25 #include "AliLog.h"
  26
  27 #include <TObjArray.h>
  28 #include <TGraph.h>
  29 #include <TFile.h>
  30 #include <TH2F.h>
  31 #include <TMath.h>
  32 #include <TSystem.h>
  33 #include <Riostream.h>
  34 #include <TSpectrum.h>
  35 #include <TProfile.h>
  36
  37
  38 ClassImp(AliT0CalibWalk)
  39
  40 //________________________________________________________________
  41   AliT0CalibWalk::AliT0CalibWalk():   TNamed(),
  42                                       fWalk(0),
  43                                       fAmpLEDRec(0),
  44                                       fQTC(0),
  45                                       fAmpLED(0)
  46 {
  47   //
  48 }
  49
  50 //________________________________________________________________
  51 AliT0CalibWalk::AliT0CalibWalk(const char* name):TNamed(),
  52                                       fWalk(0),
  53                                       fAmpLEDRec(0),                                                                  fQTC(0),
  54                                       fAmpLED(0)
  55
  56 {
  57   TString namst = "Calib_";
  58   namst += name;
  59   SetName(namst.Data());
  60   SetTitle(namst.Data());
  61
  62 }
  63
  64 //________________________________________________________________
  65 AliT0CalibWalk::AliT0CalibWalk(const AliT0CalibWalk& calibda) :
  66   TNamed(calibda),
  67   fWalk(0),
  68   fAmpLEDRec(0),
  69   fQTC(0),
  70   fAmpLED(0)
  71
  72 {
  73 // copy constructor
  74   SetName(calibda.GetName());
  75   SetTitle(calibda.GetName());
  76
  77
  78 }
  79
  80 //________________________________________________________________
  81 AliT0CalibWalk &AliT0CalibWalk::operator =(const AliT0CalibWalk& calibda)
  82 {
  83 // assignment operator
  84   SetName(calibda.GetName());
  85   SetTitle(calibda.GetName());
  86
  87   return *this;
  88 }
  89
  90 //________________________________________________________________
  91 AliT0CalibWalk::~AliT0CalibWalk()
  92 {
  93   //
  94 }
  95 //________________________________________________________________
  96 void AliT0CalibWalk::SetWalk(Int_t ipmt)
  97 {
  98   //read QTC walk graph from external file
  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("$ALICE_ROOT/T0/data/CFD-Amp.txt");
 107   ifstream inFile(filename);
 108   if(!inFile) AliError(Form("Cannot open file %s !",filename));
 109
 110   Int_t i=0;
 111   while(getline(inFile,buffer)){
 112     inFile >> ps >> mv;
 113
 114     x[i]=ps; y[i]=mv;
 115     i++;
 116   }
 117   inFile.close();
 118   cout<<" number of data "<<i<<endl;
 119
 120   TMath::Sort(i, y, index,down);
 121   Int_t amp=0, iin=0, isum=0, sum=0;
 122   Int_t ind=0;
 123   for (Int_t ii=0; ii<i; ii++)
 124     {
 125       ind=index[ii];
 126       if(y[ind] == amp)
 127         {
 128           sum +=x[ind];
 129           iin++;
 130         }
 131       else
 132         {
 133           if(iin>0)
 134             time[isum] = Float_t (sum/(iin));
 135           else
 136             time[isum] =Float_t (x[ind]);
 137           amplitude[isum] = Float_t (amp);
 138           amp=y[ind];
 139           iin=0;
 140           isum++;
 141           sum=0;
 142         }
 143     }
 144
 145   inFile.close();
 146
 147   TGraph* gr = new TGraph(isum, amplitude, time);
 148   fWalk.AddAtAndExpand(gr,ipmt);
 149
 150   //should be change to real
 151   Double_t xq[10] = { 1220, 1370, 1542, 1697, 1860, 2023,2171,2331,2495,2684};
 152   Double_t yq[10] = {1,2,3,4,5,6,7,8,9,10};
 153   TGraph* gr1 = new TGraph(10, xq, yq);
 154   fQTC.AddAtAndExpand(gr1,ipmt);
 155 }
 156
 157 //________________________________________________________________
 158
 159 void AliT0CalibWalk::SetAmpLEDRec(Int_t ipmt)
 160 {
 161   // read LED walk from external file
 162   Float_t mv, ps;
 163   Float_t x[100], y[100];
 164   string buffer;
 165
 166   const char * filename = gSystem->ExpandPathName("$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);
 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);
 189
 190 }
 191
 192 //________________________________________________________________
 193
 194 void AliT0CalibWalk::MakeWalkCorrGraph(const char *laserFile)
 195 {
 196   //make walk corerction for preprocessor
 197
 198   gFile = TFile::Open(laserFile);
 199   if(!gFile) {
 200     AliError("No input laser data found ");
 201   }
 202   else
 203     {
 204       gFile->ls();
 205       Float_t x1[10], y1[10];
 206       Float_t x2[10], y2[10];
 207
 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; }
 211
 212
 213       TH2F*  hCFDvsQTC[24][10]; TH2F*  hCFDvsLED[24][10];
 214
 215       for (Int_t i=0; i<24; i++)
 216         {
 217           for (Int_t im=0; im<10; im++)
 218             {
 219
 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());
 225
 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));
 228
 229               if(hCFDvsQTC[i][im] && hCFDvsLED[i][im])
 230                 {
 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);
 235                 }
 236               xx[im]=im+1;
 237             }
 238           for (Int_t imi=0; imi<10; imi++)
 239             {
 240               yy1[imi] = Float_t (10-imi);
 241               xx1[imi]=x2[10-imi-1];
 242             }
 243           if(i==0){
 244          cout<<"Making graphs..."<<endl;
 245           }
 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);
 250
 251
 252
 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;}
 258           if(i==23){
 259             cout<<"Graphs created..."<<endl;
 260           }
 261         }
 262     } //if gFile exits
 263 }
 264
 265
 266
 267