]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - T0/AliT0CalibTimeEq.cxx
Bug fix.
[u/mrichter/AliRoot.git] / T0 / AliT0CalibTimeEq.cxx
index 3a5fb6d17fd413d97dabeb19e410fda60ab29dd4..d27f25167b7a42ed6a8ad4e41884be3a758fe8a7 100644 (file)
@@ -1,3 +1,4 @@
+
 /**************************************************************************
  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
  *                                                                        *
@@ -123,14 +124,19 @@ Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys)
       ok=true;
       for (Int_t i=0; i<24; i++)
        {
+
          meandiff = sigmadiff =  meanver = meancfdtime = sigmacfdtime =0;
          TH1F *cfd = (TH1F*) gFile->Get(Form("CFD1minCFD%d",i+1));
          TH1F *cfdtime = (TH1F*) gFile->Get(Form("CFD%d",i+1));
-         if(!cfd) AliWarning(Form("no Diff histograms collected by PHYS DA for channel %i", i));
-         if(!cfdtime) AliWarning(Form("no CFD histograms collected by PHYS DA for channel %i", i));
+         if(!cfd) {
+           AliWarning(Form("no Diff histograms collected by PHYS DA for channel %i", i));
+         }
+         if(!cfdtime) {
+           AliWarning(Form("no CFD histograms collected by PHYS DA for channel %i", i));
+         }
          if(cfd) {
            nent = Int_t(cfd->GetEntries());
-           if(nent>500)  { 
+           if(nent>50)  { 
              if(cfd->GetRMS()>1.5 )
                GetMeanAndSigma(cfd, meandiff, sigmadiff);
              if(cfd->GetRMS()<=1.5) 
@@ -138,21 +144,19 @@ Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys)
                  meandiff = cfd->GetMean();
                  sigmadiff=cfd->GetRMS();
                }
-               Int_t   maxBin = cfd->GetMaximumBin(); 
-               Double_t  meanEstimate = cfd->GetBinCenter( maxBin); 
-               if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; 
+             Int_t   maxBin = cfd->GetMaximumBin(); 
+             Double_t  meanEstimate = cfd->GetBinCenter( maxBin); 
+             if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; 
            }
            else 
              {
-               ok=false;
+               //      ok=false;
                AliWarning(Form(" Not  enouph data in PMT %i- PMT1:  %i ", i, nent));
              }
-           if(!cfd) AliWarning(Form("no CFD histograms collected by PHYS DA for channel %i", i));
          }
-         //      printf(" i = %d buf1 = %s\n", i, buf1);
          if(cfdtime) {
            nent = Int_t(cfdtime->GetEntries());
-           if(nent > 500 )  { //!!!!!!!!!!
+           if(nent > 50 )  { //!!!!!!!!!!
              if(cfdtime->GetRMS()>1.5 )
                GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime);
              if(cfdtime->GetRMS()<=1.5) 
@@ -160,25 +164,24 @@ Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys)
                  meancfdtime = cfdtime->GetMean();
                  sigmacfdtime = cfdtime->GetRMS();
                }
-               Int_t   maxBin = cfdtime->GetMaximumBin(); 
-               Double_t  meanEstimate = cfdtime->GetBinCenter( maxBin); 
-               if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; 
+             Int_t   maxBin = cfdtime->GetMaximumBin(); 
+             Double_t  meanEstimate = cfdtime->GetBinCenter( maxBin); 
+             if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; 
            }
+           else 
+             {
+               //      ok=false;
+               AliWarning(Form(" Not  enouph data in PMT in CFD peak %i - %i ", i, nent));
+             }
          }
-         else 
-           {
-             ok=false;
-             AliWarning(Form(" Not  enouph data in PMT in CFD peak %i - %i ", i, nent));
-           }
          SetTimeEq(i,meandiff);
          SetTimeEqRms(i,sigmadiff);
          SetCFDvalue(i,0,meancfdtime);
          if (cfd) delete cfd;
          if (cfdtime) delete cfdtime;
-
+         
        }
       TH1F *ver = (TH1F*) gFile->Get("hVertex");
-      if(!ver) AliWarning("no T0 histogram collected by PHYS DA ");
       if(ver) {
        meanver = ver->GetMean();
        rmsver = ver->GetRMS();
@@ -188,21 +191,22 @@ Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys)
       
       gFile->Close();
       delete gFile;
-
+      
     }
     return ok; 
 }
 
 //________________________________________________________________
-Bool_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *timecdb, Float_t *cfdvalue, Int_t badpmt)
+  Bool_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *timecdb, Float_t *cfdvalue, Int_t badpmt)
 {
-  // compute online equalized time
+  // compute offline equalized time
   Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime;
   meandiff = sigmadiff =  meanver = meancfdtime = sigmacfdtime =0;
   Int_t nent=0;
   Bool_t ok=false;
   TH1F *cfddiff = NULL; 
   TH1F *cfdtime = NULL;
+  TObjArray * TzeroObj = NULL;
 
   gFile = TFile::Open(filePhys);
   if(!gFile) {
@@ -214,56 +218,63 @@ Bool_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *tim
       meandiff = sigmadiff =  meanver = meancfdtime = sigmacfdtime =0;
       ok=true;
       TDirectory *dr = (TDirectory*) gFile->Get("T0Calib");
-      if (!dr ) { AliError("No input T0calib found "); 
-       return ok;
-      }
-      TObjArray * TzeroObj = (TObjArray*) dr->Get("T0Calib");
-
+      if (dr)   TzeroObj = (TObjArray*) dr->Get("T0Calib");
+      
       for (Int_t i=0; i<24; i++)
        {
          if (i != badpmt) {
            if(TzeroObj) {
              cfddiff = (TH1F*)TzeroObj->FindObject(Form("CFD1minCFD%d",i+1));
-             cfdtime = (TH1F*)TzeroObj->FindObject(Form("CFD1minCFD%d",i+1));
+             cfdtime = (TH1F*)TzeroObj->FindObject(Form("CFD%d",i+1));
            }
            else
              {
-               cfddiff = (TH1F*)dr->Get(Form("CFD1minCFD%d",i+1));
-               cfdtime = (TH1F*)dr->Get(Form("CFD1minCFD%d",i+1));
+               cfddiff = (TH1F*)gFile->Get(Form("CFD1minCFD%d",i+1));
+               cfdtime = (TH1F*)gFile->Get(Form("CFD%d",i+1));
+               
              }
-           if(!cfddiff) AliWarning(Form("no Diff histograms collected by pass0 for channel %i", i));
-           if(!cfdtime) AliWarning(Form("no CFD histograms collected by pass0 %i", i));
-         if(cfddiff) {
-           nent = Int_t(cfddiff->GetEntries());
-           if(nent>500 )  { //!!!!!
-             if(cfddiff->GetRMS()>1.5 )
-               GetMeanAndSigma(cfddiff, meandiff, sigmadiff);
-             if(cfddiff->GetRMS()<=1.5) 
-               {
-                 meandiff = cfddiff->GetMean();
-                 sigmadiff = cfddiff->GetRMS();
-               }
+           if(!cfddiff ) {
+             AliWarning(Form("no  histograms collected by pass0 for diff channel %i", i));
+             SetTimeEq(i,timecdb[i]);
+             SetTimeEqRms(i,0);
+           }
+           if(cfddiff) {
+             nent = Int_t(cfddiff->GetEntries());
+             if(nent>100 )  { //!!!!!
+               if(cfddiff->GetRMS()>1.5 )
+                 GetMeanAndSigma(cfddiff, meandiff, sigmadiff);
+               if(cfddiff->GetRMS()<=1.5) 
+                 {
+                   meandiff = cfddiff->GetMean();
+                   sigmadiff = cfddiff->GetRMS();
+                 }
                Int_t   maxBin = cfddiff->GetMaximumBin(); 
                Double_t  meanEstimate = cfddiff->GetBinCenter( maxBin); 
-               if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; 
-             
-           }
-           else 
-             {
-               ok=false;
-               AliWarning(Form(" Not  enouph data in PMT %i- PMT1:  %i ", i, nent));
+               if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate;        
              }
-         }         
-         
-         if(cfdtime) {
-           nent = Int_t(cfdtime->GetEntries());
-           if(nent>500 )  { //!!!!!
-             if(cfdtime->GetRMS()>1.5 )
-               GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime);
-             if(cfdtime->GetRMS()<=1.5) 
+             else 
                {
-                 meancfdtime = cfdtime->GetMean();
-                 sigmacfdtime=cfdtime->GetRMS();
+                 AliWarning(Form(" Not  enouph data in PMT %i- PMT1:  %i ", i, nent));
+                 SetTimeEq(i,timecdb[i]);
+                 SetTimeEqRms(i,0);
+                 
+               }
+           }       
+           
+           if(!cfdtime ) {
+             AliWarning(Form("no  histograms collected by pass0 for time channel %i", i));
+             SetTimeEq(i, cfdvalue[i]);
+             SetTimeEqRms(i, 0);
+           }
+           if(cfdtime) {
+             nent = Int_t(cfdtime->GetEntries());
+             if(nent>100 )  { //!!!!!
+               if(cfdtime->GetRMS()>1.5 )
+                 GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime);
+               if(cfdtime->GetRMS()<=1.5) 
+                 {
+                   meancfdtime = cfdtime->GetMean();
+                   sigmacfdtime=cfdtime->GetRMS();
                }
                Int_t   maxBin = cfdtime->GetMaximumBin(); 
                Double_t  meanEstimate = cfdtime->GetBinCenter( maxBin); 
@@ -271,14 +282,15 @@ Bool_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *tim
            }
            else 
              {
-               ok=false;
                AliWarning(Form(" Not  enouph data in PMT in CFD peak %i - %i ", i, nent));
+               SetTimeEq(i, cfdvalue[i]);
+               SetTimeEqRms(i, 0);
              }
          }
          
          SetTimeEq(i,timecdb[i] + meandiff);
          SetTimeEqRms(i,sigmadiff);
-         SetCFDvalue(i,0,cfdvalue[i] );
+         SetCFDvalue(i,0, meancfdtime );
          if (cfddiff) cfddiff->Reset();
          if (cfdtime) cfdtime->Reset();
          } //bad pmt
@@ -300,7 +312,8 @@ void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist,  Float_t &mean, Float_t &sigm
   int maxBin;
   maxBin        =  hist->GetMaximumBin(); //position of maximum
   meanEstimate  =  hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum
-  sigmaEstimate = hist->GetRMS();
+  // sigmaEstimate = hist->GetRMS();
+  sigmaEstimate = 10;
   TF1* fit= new TF1("fit","gaus", meanEstimate - window*sigmaEstimate, meanEstimate + window*sigmaEstimate);
   fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate);
   hist->Fit("fit","RQ","Q");