X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=VZERO%2FAliVZEROReconstructor.cxx;h=1d345a8cc8c7da7acc1de938c187c683ba0005c9;hb=d0864eb40d53bbcc753a35ebb90265dc99535432;hp=d06422a0ea45fb2f2fcbdbb42438397682e80042;hpb=c0b82b5a7f5545d4db451c2636c2ae41a77e7520;p=u%2Fmrichter%2FAliRoot.git

diff --git a/VZERO/AliVZEROReconstructor.cxx b/VZERO/AliVZEROReconstructor.cxx
index d06422a0ea4..1d345a8cc8c 100644
--- a/VZERO/AliVZEROReconstructor.cxx
+++ b/VZERO/AliVZEROReconstructor.cxx
@@ -21,19 +21,24 @@
 ///                                                                          //
 ///////////////////////////////////////////////////////////////////////////////
 
-
+#include "AliRunLoader.h"
+#include "AliRawReader.h"
 #include "AliVZEROReconstructor.h"
+#include "AliVZERORawStream.h"
+#include "AliESDEvent.h"
 
 ClassImp(AliVZEROReconstructor)
 
 //_____________________________________________________________________________
-AliVZEROReconstructor:: AliVZEROReconstructor()
+AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(),
+   fESDVZERO(0x0),
+   fESD(0x0),
+   fCalibData(GetCalibData())
 {
   // Default constructor  
-  
   // Get calibration data
   
-  fCalibData = GetCalibData(); 
+  // fCalibData = GetCalibData(); 
 }
 
 
@@ -51,14 +56,143 @@ AliVZEROReconstructor& AliVZEROReconstructor::operator =
 AliVZEROReconstructor::~AliVZEROReconstructor()
 {
 // destructor
+   delete fESDVZERO; 
+   
+}
+
+//_____________________________________________________________________________
+void AliVZEROReconstructor::Init()
+{
+// initializer
 
+  fESDVZERO  = new AliESDVZERO;
 }
 
+//______________________________________________________________________
+void AliVZEROReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
+{
+// converts to digits
+
+  if (!digitsTree) {
+    AliError("No digits tree!");
+    return;
+  }
+
+  TClonesArray* digitsArray = new TClonesArray("AliVZEROdigit");
+  digitsTree->Branch("VZERODigit", &digitsArray);
+
+  rawReader->Reset();
+  AliVZERORawStream rawStream(rawReader);
+  if (rawStream.Next()) {
+    for(Int_t iChannel = 0; iChannel < 64; iChannel++) {
+    Int_t adc = rawStream.GetADC(iChannel);  
+    Int_t time = rawStream.GetTime(iChannel);
+    new ((*digitsArray)[digitsArray->GetEntriesFast()])
+      AliVZEROdigit(iChannel,adc,time);
+    }
+  }
+
+  digitsTree->Fill();
+}
+
+//______________________________________________________________________
+void AliVZEROReconstructor::FillESD(TTree* digitsTree, TTree* /*clustersTree*/,
+				    AliESDEvent* esd) const
+{
+// fills multiplicities to the ESD
+
+  if (!digitsTree) {
+    AliError("No digits tree!");
+    return;
+  }
+
+  TClonesArray* digitsArray = NULL;
+  TBranch* digitBranch = digitsTree->GetBranch("VZERODigit");
+  digitBranch->SetAddress(&digitsArray);
+
+  Int_t   nbPMV0A = 0;
+  Int_t   nbPMV0C = 0;
+  Int_t   mTotV0A = 0;
+  Int_t   mTotV0C = 0;
+  Float_t adcV0A  = 0.0;
+  Float_t adcV0C  = 0.0;
+  Float_t multV0A[4];
+  Float_t multV0C[4];
+  Int_t   mRingV0A[4];
+  Int_t   mRingV0C[4];
+  
+  Int_t   adc[64]; 
+  Float_t mip[64];
+  for (Int_t i=0; i<64; i++){
+       adc[i] = 0;
+       mip[i] = 110.0;}
+  for (Int_t j=0; j<4; j++){
+       multV0A[j]  = 0.0;
+       multV0C[j]  = 0.0;
+       mRingV0A[j] = 0;
+       mRingV0C[j] = 0;}
+     
+  // loop over VZERO entries
+  Int_t nEntries = (Int_t)digitsTree->GetEntries();
+  for (Int_t e=0; e<nEntries; e++) {
+    digitsTree->GetEvent(e);
+
+    Int_t nDigits = digitsArray->GetEntriesFast();
+    
+    for (Int_t d=0; d<nDigits; d++) {    
+      AliVZEROdigit* digit = (AliVZEROdigit*)digitsArray->At(d);      
+      Int_t  pmNumber      = digit->PMNumber();  
+      adc[pmNumber] = digit->ADC(); 
+      // cut of ADC at MIP/2
+      if  (adc[pmNumber] > (mip[pmNumber]/2)) { 
+        if (pmNumber<=31) {
+          if (pmNumber<=7) multV0C[0]=multV0C[0]+ float(adc[pmNumber])/mip[pmNumber];
+	  if (pmNumber>=8  && pmNumber<=15) multV0C[1]=multV0C[1]+ float(adc[pmNumber])/mip[pmNumber];
+	  if (pmNumber>=16 && pmNumber<=23) multV0C[2]=multV0C[2]+ float(adc[pmNumber])/mip[pmNumber];
+	  if (pmNumber>=24 && pmNumber<=31) multV0C[3]=multV0C[3]+ float(adc[pmNumber])/mip[pmNumber];
+          adcV0C = adcV0C + float(adc[pmNumber])/mip[pmNumber];
+	  nbPMV0C++;
+        }	
+        if (pmNumber>=32 ) {
+          if (pmNumber>=32 && pmNumber<=39) multV0A[0]=multV0A[0]+ float(adc[pmNumber])/mip[pmNumber];
+	  if (pmNumber>=40 && pmNumber<=47) multV0A[1]=multV0A[1]+ float(adc[pmNumber])/mip[pmNumber];
+	  if (pmNumber>=48 && pmNumber<=55) multV0A[2]=multV0A[2]+ float(adc[pmNumber])/mip[pmNumber];
+	  if (pmNumber>=56 && pmNumber<=63) multV0A[3]=multV0A[3]+ float(adc[pmNumber])/mip[pmNumber];
+          adcV0A = adcV0A + float(adc[pmNumber])/mip[pmNumber];
+	  nbPMV0A++;
+        }
+      }
+    } // end of loop over digits
+    
+  } // end of loop over events in digits tree
   
+  mTotV0A = int(adcV0A + 0.5);
+  mTotV0C = int(adcV0C + 0.5);
+  for (Int_t j=0; j<4; j++){       
+       mRingV0A[j] = int(multV0A[j] + 0.5);
+       mRingV0C[j] = int(multV0C[j] + 0.5);}
+     
+  AliDebug(1,Form("VZERO multiplicities : %d (V0A) %d (V0C)", mTotV0A, mTotV0C));
+  AliDebug(1,Form("Number of PMs fired  : %d (V0A) %d (V0C)", nbPMV0A, nbPMV0C));
+
+  fESDVZERO->SetNbPMV0A(nbPMV0A);
+  fESDVZERO->SetNbPMV0C(nbPMV0C);
+  fESDVZERO->SetMTotV0A(mTotV0A);
+  fESDVZERO->SetMTotV0C(mTotV0C);
+  fESDVZERO->SetMRingV0A(mRingV0A);
+  fESDVZERO->SetMRingV0C(mRingV0C);
+  
+  if (esd) { 
+    AliDebug(1, Form("Writing VZERO data to ESD tree"));
+    esd->SetVZEROData(fESDVZERO);
+  }
+}
+
 //_____________________________________________________________________________
 AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri) 
 {
-  
+// Sets the storage  
+
   Bool_t deleteManager = kFALSE;
   
   AliCDBManager *manager = AliCDBManager::Instance();
@@ -83,8 +217,7 @@ AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri)
 //_____________________________________________________________________________
 AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const
 {
-
-  // Getting calibration object for VZERO set
+  // Gets calibration object for VZERO set
 
   AliCDBManager *man = AliCDBManager::Instance();
 
@@ -92,23 +225,21 @@ AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const
 
   entry = man->Get("VZERO/Calib/Data");
 
-  if(!entry){
-    AliWarning("Load of calibration data from default storage failed!");
-    AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
-    Int_t runNumber = man->GetRun();
-    entry = man->GetStorage("local://$ALICE_ROOT")
-      ->Get("VZERO/Calib/Data",runNumber);
-	
-  }
+//   if(!entry){
+//     AliWarning("Load of calibration data from default storage failed!");
+//     AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
+//     Int_t runNumber = man->GetRun();
+//     entry = man->GetStorage("local://$ALICE_ROOT")
+//       ->Get("VZERO/Calib/Data",runNumber);
+// 	
+//   }
 
   // Retrieval of data in directory VZERO/Calib/Data:
 
-
   AliVZEROCalibData *calibdata = 0;
 
   if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject();
-  if (!calibdata)  AliError("No calibration data from calibration database !");
+  if (!calibdata)  AliFatal("No calibration data from calibration database !");
 
   return calibdata;
 }
-