Fix (Yifei)

[u/mrichter/AliRoot.git] / T0 / AliT0CalibTimeEq.cxx

diff --git a/T0/AliT0CalibTimeEq.cxx b/T0/AliT0CalibTimeEq.cxx
index cddb17cc6f896ed780f641905a4f4714e78aaee2..5cb2f59827e0c34d47b3f6fe2a5535285c7c35b6 100644 (file)
--- a/T0/AliT0CalibTimeEq.cxx
+++ b/T0/AliT0CalibTimeEq.cxx
@@ -34,13 +34,18 @@
 ClassImp(AliT0CalibTimeEq)
 
 //________________________________________________________________
-  AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed()
+  AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed(),
+                                      fMeanVertex(0),        
+                                      fRmsVertex(0)      
 {
   //
+
 }
 
 //________________________________________________________________
-AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed()
+AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed(),
+                                      fMeanVertex(0),        
+                                      fRmsVertex(0)      
 {
   //constructor
 
@@ -51,7 +56,9 @@ AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed()
 }
 
 //________________________________________________________________
-AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda)            
+AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda),           
+                                      fMeanVertex(0),        
+                                      fRmsVertex(0)      
 {
 // copy constructor
   SetName(calibda.GetName());
@@ -94,37 +101,83 @@ void  AliT0CalibTimeEq::Print(Option_t*) const
   printf("\n   ----    PM Arrays       ----\n\n");
   printf(" Time delay CFD \n");
   for (Int_t i=0; i<24; i++) printf(" CFD  %f ",fTimeEq[i]);
+  printf("\n Mean Vertex %f \n", fMeanVertex);
 } 
 
 
 //________________________________________________________________
-void AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys)
+Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys)
 {
   // compute online equalized time
-  Double_t mean=0;
+  Double_t mean=0, meanver=0;
+  Double_t rms=0, rmsver=0;
+  Int_t nent=0;
+  Bool_t ok=false;
+  Int_t npeaks = 20;
+  Int_t sigma=3;
+  Bool_t down=false;
+  Int_t index[20];
+  Int_t nfound=0;
   gFile = TFile::Open(filePhys);
-
   if(!gFile) {
     AliError("No input PHYS data found ");
   }
   else
     {
+      //    gFile->ls();
+      ok=true;
       Char_t buf1[30];
       for (Int_t i=0; i<24; i++)
        {
-         sprintf(buf1,"CFD1-CFD%d",i+1);
+         sprintf(buf1,"CFD1minCFD%d",i+1);
          TH1F *cfd = (TH1F*) gFile->Get(buf1);
-         //      printf(" i = %d buf1 = %s\n", i, buf1);
-         if(cfd) mean=cfd->GetMean();
-         SetTimeEq(i,mean);
          if(!cfd) AliWarning(Form("no histograms collected by PHYS DA for channel %i", i));
-    if (cfd) delete cfd;
+         //      printf(" i = %d buf1 = %s\n", i, buf1);
+         if(cfd) {
+           TSpectrum *s = new TSpectrum(2*npeaks,1);
+           nfound = s->Search(cfd,sigma," ",0.1);
+           if(nfound!=0){
+             Float_t *xpeak = s->GetPositionX();
+             TMath::Sort(nfound, xpeak, index,down);
+             Float_t xp = xpeak[index[0]];
+             Double_t hmax = xp+3*sigma;
+             Double_t hmin = xp-3*sigma;
+             cfd->GetXaxis()->SetRangeUser(hmin-20,hmax+20);
+             mean=cfd->GetMean();
+             rms=cfd->GetRMS();
+             nent=cfd->GetEntries();
+             if(nent<500 || rms>20. ) {
+               ok=false;
+               AliWarning(Form("Data is not good enouph in PMT %i - mean %f rsm %f nentries %i", i,mean, rms, nent));
+               
+             }
+           }
+           else 
+             {
+               ok=false;
+               AliWarning(Form("Data is not good enouph in PMT %i , no clean peak", i));
+             }
+         }
+         
+       
+          SetTimeEq(i,mean);
+          SetTimeEqRms(i,rms);
+         if (cfd) delete cfd;
        }
-      
+      TH1F *ver = (TH1F*) gFile->Get("hVertex");
+      if(!ver) AliWarning("no T0 histogram collected by PHYS DA ");
+      if(ver) {
+       meanver = ver->GetMean();
+       rmsver = ver->GetRMS();
+      }
+      SetMeanVertex(meanver);
+      SetRmsVertex(rmsver);
       
       gFile->Close();
       delete gFile;
-    } 
+
     }
+    return ok; 
+}