X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=T0%2FAliT0Calibrator.cxx;h=6cae77ac84c4ecef523a6346a108396c26049f19;hb=288f1d48a9d5c949e4e9e9000ffbcd2dcb7247f5;hp=90bcad8545975338840147b9046c662a5cd4d697;hpb=e8ed1cd0e039f34182b981628315be3dad7db43a;p=u%2Fmrichter%2FAliRoot.git

diff --git a/T0/AliT0Calibrator.cxx b/T0/AliT0Calibrator.cxx
index 90bcad85459..6cae77ac84c 100644
--- a/T0/AliT0Calibrator.cxx
+++ b/T0/AliT0Calibrator.cxx
@@ -1,3 +1,4 @@
+
 /**************************************************************************
  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
  *                                                                        *
@@ -31,27 +32,50 @@
 #include "AliT0Calibrator.h"
 #include <TGraph.h>
 #include <TH1F.h>
-//#include "iostream.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() ;  
- 
+  Double_t *grY ; //= new grY[2500] ;
+  // Double_t *grX ;
+  Int_t index[25000];
+  Bool_t down=true;
   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);
+	
+  if(fu) {
+      Int_t np=fu->GetN();
+      if(np>0) {
+	grY = fu->GetY();
+	//	grX[i] = fu->GetX();
+	TMath::Sort(np, grY, index,down);
+	fMaxValue[i]=Int_t(grY[index[0]]);
+
+      }
+    }
+	
   }
+
+  //  delete [] grY;
+  //  delete [] grX;
   
   //
 }
@@ -89,26 +113,30 @@ Int_t  AliT0Calibrator::WalkCorrection(Int_t ipmt, Int_t qt, Int_t time, TString
 {
   //slewing correcion and equalizing channels
 
-  Float_t walk=0;
-     Float_t maxValue=0;
- Int_t timeEq=0, timeWalk=0;  
-  TGraph *fu1=(TGraph*) fWalk.At(ipmt);
-  if(fu1){
-    walk=fu1->Eval(Float_t(qt));
-    TH1F*hr=fu1->GetHistogram();
-    maxValue=hr->GetMaximum(50);
+  Int_t walk=0;
+
+  Int_t timeEq=0, timeWalk=0;  
+  //  TGraph* fu1 = param ->GetWalk(ipmt);
+  //   TGraph* fu1  = param ->GetAmpLEDRec(ipmt);
+   TGraph *fu1=(TGraph*) fWalk.At(ipmt);
+  if(fu1 && fu1->GetN()>0) {
+    walk=Int_t(fu1->Eval(Double_t(qt)));
   }
   if (option == "pdc") {
-    timeWalk = time + Int_t((maxValue-walk)/fChannelWidth) ;
-    timeEq= timeWalk - (fTimeDelayCFD[ipmt]-fTimeDelayCFD[0]);
+    timeWalk = time + Int_t(fMaxValue[ipmt]-walk) ;
+    //    timeEq= timeWalk - fTimeDelayCFD[ipmt];
+    timeEq= timeWalk - fTimeDelayCFD[ipmt]; //for the same as cosmic
+     AliDebug(10,Form(" ipmt %i time before %i timeWalk %i ,  qt %i timeEq %i \n ",
+		 ipmt, time,timeWalk, qt, timeEq ));
   }
   if (option == "cosmic") {
-    timeWalk = time + Int_t((maxValue-walk)) ;
-    if (ipmt<12) timeEq= timeWalk - (fTimeDelayCFD[ipmt]-fTimeDelayCFD[0]);
-    if (ipmt>11)  timeEq= timeWalk - (fTimeDelayCFD[ipmt]-fTimeDelayCFD[12]);
-  }
-  AliDebug(10,Form(" ipmt %i time before %i timeWalk %i ,  qt %i timeEq %i \n ",
+    timeWalk = time + Int_t((fMaxValue[ipmt]-walk)) ;
+    if(walk <1  )  timeWalk = time  ;
+     timeEq= timeWalk - fTimeDelayCFD[ipmt];
+     AliDebug(10,Form(" ipmt %i time before %i timeWalk %i ,  qt %i timeEq %i \n ",
 		 ipmt, time,timeWalk, qt, timeEq ));
+  }
+ 
   return timeEq;
 }