T0/AliT0CalibTimeEq.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 for T0 calibration                       TM-AC-AM_6-02-2006         //
  21 //                                                                           //
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24 #include "AliT0CalibTimeEq.h"
  25 #include "AliT0LookUpValue.h"
  26 #include "AliLog.h"
  27 #include "AliRun.h"
  28
  29 #include <TFile.h>
  30 #include <TMath.h>
  31 #include <TF1.h>
  32 #include <TSystem.h>
  33 #include <Riostream.h>
  34 #include <TSpectrum.h>
  35 #include <TVirtualFitter.h>
  36 #include <TProfile.h>
  37 #include <string>
  38
  39 ClassImp(AliT0CalibTimeEq)
  40
  41 //________________________________________________________________
  42   AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed()
  43 {
  44   //
  45 }
  46
  47 //________________________________________________________________
  48 AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed()
  49 {
  50   TString namst = "Calib_";
  51   namst += name;
  52   SetName(namst.Data());
  53   SetTitle(namst.Data());
  54 }
  55
  56 //________________________________________________________________
  57 AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda)
  58 {
  59 // copy constructor
  60   SetName(calibda.GetName());
  61   SetTitle(calibda.GetName());
  62
  63
  64 }
  65
  66 //________________________________________________________________
  67 AliT0CalibTimeEq &AliT0CalibTimeEq::operator =(const AliT0CalibTimeEq& calibda)
  68 {
  69 // assignment operator
  70   SetName(calibda.GetName());
  71   SetTitle(calibda.GetName());
  72
  73   return *this;
  74 }
  75
  76 //________________________________________________________________
  77 AliT0CalibTimeEq::~AliT0CalibTimeEq()
  78 {
  79   //
  80 }
  81 //________________________________________________________________
  82 void AliT0CalibTimeEq::Reset()
  83 {
  84   memset(fCFDvalue,0,120*sizeof(Float_t));
  85   memset(fTimeEq,1,24*sizeof(Float_t));
  86 }
  87
  88
  89 //________________________________________________________________
  90 void  AliT0CalibTimeEq::Print(Option_t*) const
  91 {
  92
  93   printf("\n    ----    PM Arrays       ----\n\n");
  94   printf(" Time delay CFD \n");
  95   for (Int_t i=0; i<24; i++) printf(" CFD  %f ",fTimeEq[i]);
  96 }
  97
  98
  99 //________________________________________________________________
 100 void AliT0CalibTimeEq::ComputeOnlineParams(char* name1, Int_t npeaks, Double_t sigma, const char* filePhys)
 101 {
 102   TFile *gFile = TFile::Open(filePhys);
 103   Bool_t down=false;
 104   Int_t index[20];
 105   Char_t buf1[15];
 106   Char_t temp[10];
 107   Float_t p[24][3]={0.,0.,0.};
 108   for (Int_t i=0; i<24; i++)
 109   {
 110     sprintf(buf1,name1);
 111     sprintf(temp,"%i",i+1);
 112     strcat (buf1,temp);
 113     //strcat (buf1,name2);
 114     TH1F *cfd = (TH1F*) gFile->Get(buf1);
 115     printf(" i = %d buf1 = %s\n", i, buf1);
 116     TSpectrum *s = new TSpectrum(2*npeaks,1.);
 117     printf(" buf1 = %s cfd = %x\n", buf1, cfd);
 118     Int_t nfound = s->Search(cfd,sigma,"goff",0.2);
 119     printf(" nfound = %d\n", nfound);
 120     if(nfound!=0)
 121     {
 122       Float_t *xpeak = s->GetPositionX();
 123       TMath::Sort(nfound, xpeak, index,down);
 124       Float_t xp = xpeak[index[0]];
 125       Float_t hmax = xp+3*sigma;
 126       Float_t hmin = xp-3*sigma;
 127       cfd->GetXaxis()->SetRange((Int_t)hmin-20,(Int_t)hmax+20);
 128       TF1 *g1 = new TF1("g1", "gaus", hmin, hmax);
 129       cfd->Fit("g1","IRQN");
 130       for(Int_t j =0; j<3; j++)
 131       {
 132         p[i][j] = g1->GetParameter(j);
 133         SetCFDvalue(i, j, p[i][j]);
 134       }
 135
 136       SetCFDvalue(i, 3, hmin);
 137       SetCFDvalue(i, 4, hmax);
 138
 139       if (i<12)
 140       {
 141         SetTimeEq(i,(p[i][2]-p[0][2]));
 142       }
 143       else
 144       {
 145         SetTimeEq(i,(p[i][2]-p[12][2]));
 146       }
 147     }
 148   }
 149
 150    gFile->Close();
 151    delete gFile;
 152
 153    for(int i=0;i<5;i++)
 154      {
 155       for(int j=0;j<24;j++)
 156         {
 157                 printf("fCFDvalue[%d][%d]=%f\n",j,i,fCFDvalue[j][i]);
 158         }
 159      }
 160    printf("\n\n");
 161    for(int j=0;j<24;j++)
 162    {
 163                 printf("fTimeEq[%d]=%f\n",j,fTimeEq[j]);
 164    }
 165 }
 166
 167