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 #include <TF1.h>
  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
  97 Bool_t AliT0CalibWalk::MakeWalkCorrGraph(const char *laserFile)
  98 {
  99   //make walk corerction for preprocessor
 100   Int_t npeaks = 20;
 101   Int_t sigma=3;
 102   Bool_t down=false;
 103   Int_t index[20];
 104   Bool_t ok=true;
 105   Float_t   mips[20];
 106   Int_t nfound=0;
 107
 108   gFile = TFile::Open(laserFile);
 109   if(!gFile) {
 110     AliError("No input laser data found ");
 111   }
 112   else
 113     {
 114       //      gFile->ls();
 115       TH1F* hAmp = (TH1F*) gFile->Get("hAmpLaser");
 116       Int_t nmips=0;
 117       for (Int_t ibin=0; ibin<2000; ibin++) {
 118         Float_t bincont = hAmp->GetBinContent(ibin);
 119         if(bincont>0){
 120           mips[nmips] = hAmp->GetXaxis()->GetBinCenter(ibin);
 121           cout<<ibin<<" bincont "<<bincont<<" amp "<< mips[nmips]<<endl;
 122           nmips++;
 123         }
 124       }
 125
 126       if (nmips<17) {
 127         ok=false;
 128         return ok;
 129       }
 130
 131       Float_t x1[50], y1[50];
 132       Float_t x2[50], xx2[50],y2[50];
 133       Float_t xx1[50],yy1[50], xx[50];
 134
 135       Float_t cfd0[24];
 136       Int_t startim = 0;
 137
 138       for (Int_t ii=0; ii<nmips; ii++)
 139         x1[ii] = y1[ii] = x2[ii] = y2[ii] = 0;
 140
 141       for (Int_t i=0; i<24; i++)
 142         {
 143           for (Int_t im=startim; im<nmips; im++)
 144             {
 145               TString cfd = Form("hCFD%i_%i",i+1,im+1);
 146               TString qtc = Form("hQTC%i_%i",i+1,im+1);
 147               TString led = Form("hLED%i_%i",i+1,im+1);
 148
 149               TH1F *hCFD = (TH1F*) gFile->Get(cfd.Data()) ;
 150               TH1F *hLED = (TH1F*) gFile->Get(led.Data());
 151               TH1F *hQTC = (TH1F*) gFile->Get(qtc.Data()) ;
 152               hCFD->SetDirectory(0);
 153               hQTC->SetDirectory(0);
 154               hLED->SetDirectory(0);
 155               if(!hCFD )
 156                 AliWarning(Form(" no CFD data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
 157               if(!hQTC )
 158                 AliWarning(Form(" no QTC correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
 159               if(!hLED)
 160                 AliWarning(Form(" no LED correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
 161
 162               if(hCFD ) {
 163                 TSpectrum *s = new TSpectrum(2*npeaks,1);
 164                 nfound = s->Search(hCFD,sigma," ",0.1);
 165                 if(nfound!=0){
 166                   Float_t *xpeak = s->GetPositionX();
 167                   TMath::Sort(nfound, xpeak, index,down);
 168                   Float_t xp = xpeak[index[0]];
 169                   Double_t hmax = xp+3*sigma;
 170                   Double_t hmin = xp-3*sigma;
 171                   hCFD->GetXaxis()->SetRangeUser(hmin-10,hmax+10);
 172                 }
 173                 else
 174                   {
 175                     hCFD->Rebin(2);
 176                     TSpectrum *s1 = new TSpectrum(2*npeaks,1);
 177                     nfound = s1->Search(hCFD,sigma," ",0.1);
 178                     if(nfound!=0){
 179                       Float_t *xpeak = s1->GetPositionX();
 180                       TMath::Sort(nfound, xpeak, index,down);
 181                       Float_t xp = xpeak[index[0]];
 182                       Double_t hmax = xp+3*sigma;
 183                       Double_t hmin = xp-3*sigma;
 184                       hCFD->GetXaxis()->SetRangeUser(hmin-10,hmax+10);
 185                     }
 186                     else
 187                       {
 188                         ok=false;
 189                         printf("no peak in CFD spectrum for PMT %i amplitude %i\n",i,im);
 190                         return ok;
 191                       }
 192
 193                   }
 194
 195                 if (im == 0) cfd0[i] = hCFD->GetMean();
 196                 y1[im] =  hCFD->GetMean() - cfd0[i];
 197               }
 198               if( hQTC) {
 199                 x1[im] = hQTC->GetMean();
 200                 if( x1[im] == 0) {
 201                   ok=false;
 202                   printf("no peak in QTC signal for PMT %i amplitude %i\n",i,im);
 203                   return ok;
 204                   }
 205               }
 206
 207               if( hLED){
 208                 TSpectrum *s = new TSpectrum(2*npeaks,1);
 209                 nfound = s->Search(hLED,sigma," ",0.1);
 210                 if(nfound!=0){
 211                   Float_t *xpeak = s->GetPositionX();
 212                   TMath::Sort(nfound, xpeak, index,down);
 213                   Float_t xp = xpeak[index[0]];
 214                   Double_t hmax = xp+10*sigma;
 215                   Double_t hmin = xp-10*sigma;
 216                   hLED->GetXaxis()->SetRangeUser(hmin-10,hmax+10);
 217                 }
 218                 else
 219                   {
 220                     ok=false;
 221                     printf("no peak in LED spectrum for PMT %i amplitude %i\n",i,im);
 222                     return ok;
 223                   }
 224                 x2[im] = hLED->GetMean();
 225                 xx2[im] = x2[nmips-im-1];
 226               }
 227               xx[im]=mips[im];
 228
 229               if (hQTC) delete  hQTC;
 230               if (hCFD) delete  hCFD;
 231               if (hLED) delete  hLED;
 232             }
 233
 234           for (Int_t imi=0; imi<nmips; imi++)
 235             {
 236               yy1[imi] = Float_t (mips[nmips-imi-1]);
 237               xx1[imi] = x2[nmips-imi-1];
 238               //              cout<<" LED rev "<<i<<" "<<imi<<" "<<xx1[imi]<<" "<< yy1[imi]<<"nmips-imi-1 = "<< nmips-imi-1<<endl;
 239             }
 240
 241           if(i==0) cout<<"Making graphs..."<<endl;
 242
 243
 244           /*
 245
 246
 247           Float_t x1[50], y1[50];
 248           Float_t x2[50], xx2[50],y2[50];
 249           Float_t xx1[50],yy1[50], xx[50];
 250
 251           Int_t nmips=20;
 252           for (Int_t i=0; i<24; i++)
 253           {
 254
 255           for (Int_t im=0; im<nmips; im++)
 256           {
 257           x1[im]=xx[im]=500+im*200;
 258           y1[im]=0;
 259           x2[im]=xx1[im]=yy1[im]=260+20*im;
 260           }
 261           */
 262        TGraph *grwalkqtc = new TGraph (nmips,x1,y1);
 263       grwalkqtc->SetTitle(Form("PMT%i",i));
 264       TGraph *grwalkled = new TGraph (nmips,x2,y1);
 265       grwalkled->SetTitle(Form("PMT%i",i));
 266       fWalk.AddAtAndExpand(grwalkqtc,i);
 267       fAmpLEDRec.AddAtAndExpand(grwalkled,i);
 268       //          cout<<" add walk "<<i<<endl;
 269
 270       //fit amplitude graphs to make comparison wth new one
 271       TGraph *grampled = new TGraph (nmips,xx1,yy1);
 272       TGraph *grqtc = new TGraph (nmips,x1,xx);
 273       fQTC.AddAtAndExpand(grqtc,i);
 274       fAmpLED.AddAtAndExpand(grampled,i);
 275       //          cout<<" add amp "<<i<<endl;
 276
 277       if(i==23)
 278         cout<<"Graphs created..."<<endl;
 279         }
 280     } //if gFile exits
 281
 282   return ok;
 283 }
 284
 285
 286
 287