X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=T0%2FAliT0Calibrator.cxx;h=2900d4ba1e4f7b1a3243d8d19f6bce7473c6d519;hb=f01724f790df5b9432d57bac2158938ef17f3b16;hp=b714d6b31770c97adb52d70d035a654c66f656d1;hpb=aaa0a98fa0046127996cdadc9836953394b37f20;p=u%2Fmrichter%2FAliRoot.git

diff --git a/T0/AliT0Calibrator.cxx b/T0/AliT0Calibrator.cxx
index b714d6b3177..2900d4ba1e4 100644
--- a/T0/AliT0Calibrator.cxx
+++ b/T0/AliT0Calibrator.cxx
@@ -1,3 +1,4 @@
+
 /**************************************************************************
  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
  *                                                                        *
@@ -31,28 +32,32 @@
 #include "AliT0Calibrator.h"
 #include <TGraph.h>
 #include <TH1F.h>
+#include <TMath.h>
+#include <Riostream.h>
 
 ClassImp(AliT0Calibrator)
 
 //____________________________________________________________________
   AliT0Calibrator::AliT0Calibrator():TNamed(),
-  fChannelWidth(0),  
-  fWalk(0)
+				     fChannelWidth(0),  
+				     fWalk(0)
+				     
 {
   //constructor
 
-  AliT0Parameters* param = AliT0Parameters::Instance();
-  param->Init();
+   AliT0Parameters* param = AliT0Parameters::Instance();
+   param->Init();
   
   fChannelWidth = param->GetChannelWidth() ;  
- 
   for (Int_t i=0; i<24; i++){
+    fMaxValue[i]=0;
     fTimeDelayCFD[i] = Int_t (param->GetTimeDelayCFD(i));
+    
     TGraph* fu = param ->GetWalk(i);
-    fWalk.AddAtAndExpand(fu,i);
+    //    TGraph* fu  = param ->GetAmpLEDRec(i);
+    fWalk.AddAtAndExpand(fu,i);	
   }
   
-  //
 }
 //_____________________________________________________________________________
 
@@ -82,24 +87,23 @@ AliT0Calibrator &AliT0Calibrator::operator=(const AliT0Calibrator &r)
 }
 
 
-
 //____________________________________________________________________
-Int_t  AliT0Calibrator::WalkCorrection(Int_t ipmt, Int_t qt, Int_t time, TString option) 
+Int_t  AliT0Calibrator::WalkCorrection(Int_t ipmt, Int_t qt, Int_t time) 
 {
   //slewing correcion and equalizing channels
 
+  Int_t walk=0;
+
   Int_t timeEq=0, timeWalk=0;  
   TGraph *fu1=(TGraph*) fWalk.At(ipmt);
-  Float_t walk=fu1->Eval(Float_t(qt));
-  TH1F*hr=fu1->GetHistogram();
-  Float_t maxValue=hr->GetMaximum(50);
-  if (option == "pdc")
-    timeWalk = time + Int_t((maxValue-walk)/fChannelWidth) ;
-  if (option == "cosmic")
-    timeWalk = time + Int_t((maxValue-walk)) ;
-  timeEq= timeWalk - (fTimeDelayCFD[ipmt]-fTimeDelayCFD[0]);
-  AliDebug(10,Form(" time before %i timeWalk %i ,  qt %i timeEq %i \n ",
-		  time,timeWalk, qt, timeEq ));
+  if(fu1 && fu1->GetN()>0) 
+    walk=Int_t(fu1->Eval(Double_t(qt)));
+  
+  timeWalk = time + walk   ;
+  timeEq= timeWalk - fTimeDelayCFD[ipmt];
+  AliDebug(10,Form(" ipmt %i time before %i timeWalk %i , walk %i  qt %i timeEq %i \n ",
+		   ipmt, time,timeWalk, walk, qt, timeEq ));
+  
   return timeEq;
 }