Main changes:

[u/mrichter/AliRoot.git] / T0 / AliT0Digitizer.cxx

diff --git a/T0/AliT0Digitizer.cxx b/T0/AliT0Digitizer.cxx
index 91edea87367e80aca86972ca35a25784f6af7970..3caa76804acb3d53f4453b4bb6cc541404cee38c 100644 (file)
--- a/T0/AliT0Digitizer.cxx
+++ b/T0/AliT0Digitizer.cxx
@@ -95,7 +95,7 @@ AliT0Digitizer::AliT0Digitizer(AliRunDigitizer* manager)
     Double_t *x1 = new Double_t[np];
     Double_t *y1 = new Double_t[np];
     for (Int_t ii=0; ii<np; ii++) {
-      y1[ii]=y[np-ii]; x1[ii]=x[np-ii];
+      y1[ii]=y[np-ii-1]; x1[ii]=x[np-ii-1];
     }
     
     TGraph *grInverse = new TGraph(np,y1,x1);
@@ -165,7 +165,7 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
 
   
   Int_t ph2Mip = fParam->GetPh2Mip();     
-  Int_t channelWidth = fParam->GetChannelWidth() ;  
+  Float_t channelWidth = fParam->GetChannelWidth() ;  
   Float_t delayVertex = fParam->GetTimeDelayTVD();
    
   zdetC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
@@ -268,6 +268,7 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
     }
 
     timeDelayCFD[0] = fParam->GetTimeDelayCFD(0);
+    Int_t meanTimeDelay=200;
 
     for (Int_t i=0; i<24; i++)
       {
@@ -286,7 +287,7 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
          sl = gr->Eval(qt);
 
          trLED = Int_t(( timeGaus[i] + 1000*sl )/channelWidth);
-         qtCh=Int_t (1000.*TMath::Log(qt)) / channelWidth;
+         qtCh=Int_t (1000.*TMath::Log(qt) / channelWidth);
          fADC0->AddAt(0,i);
          fADC->AddAt(qtCh,i);
          ftimeLED->AddAt(trLED,i); 
@@ -321,9 +322,7 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
       {
        timeDiff=Int_t (((besttimeC-besttimeA)+1000*delayVertex)
                        /channelWidth);
-       meanTime=Int_t (((besttimeC+timeDelayCFD[pmtBestC]+
-                         besttimeA+timeDelayCFD[pmtBestA])/2.)
-                       /channelWidth);
+       meanTime=Int_t (((besttimeC+besttimeA)/2. + meanTimeDelay)/channelWidth);
       }
        AliDebug(10,Form(" time A& C %i %i  time diff && mean time in channels %i %i",bestATDC,bestCTDC, timeDiff, meanTime));