AltroChannelSelector component moved to libAliHLTRCU

[u/mrichter/AliRoot.git] / EVGEN / AliGenCocktail.cxx

diff --git a/EVGEN/AliGenCocktail.cxx b/EVGEN/AliGenCocktail.cxx
index fba33f80bd8b05581a5d746d7255a843dfd264b3..a1a038770c6bec0ad0ccfdf20d11a51881ccdbe9 100644 (file)
--- a/EVGEN/AliGenCocktail.cxx
+++ b/EVGEN/AliGenCocktail.cxx
@@ -31,34 +31,34 @@
 #include "AliCollisionGeometry.h"
 #include "AliRun.h"
 #include "AliMC.h"
-#include "AliGenEventHeader.h"
+#include "AliGenCocktailEventHeader.h"
 
 ClassImp(AliGenCocktail)
 
 AliGenCocktail::AliGenCocktail()
-                 :AliGenerator()
+    :AliGenerator(), 
+     fNGenerators(0),
+     fTotalRate(0.),
+     fRandom(kFALSE),
+     fUsePerEventRate(kFALSE),
+     fProb(0),
+     fEntries(0),
+     flnk1(0),
+     flnk2(0), 
+     fHeader(0)
 {
 // Constructor
     fName = "Cocktail";
     fTitle= "Particle Generator using cocktail of generators";
-    flnk1 = 0;
-    flnk2 = 0;
-    fNGenerators=0;
-    fEntries = 0;
-    fRandom  = kFALSE;
-}
-
-AliGenCocktail::AliGenCocktail(const AliGenCocktail & cocktail):
-    AliGenerator(cocktail)
-{
-// Copy constructor
-    cocktail.Copy(*this);
 }
 
 AliGenCocktail::~AliGenCocktail()
 {
 // Destructor
     delete fEntries;
+    fEntries = 0;
+    //    delete fHeader; // It is removed in AliRunLoader
+    fHeader = 0;
 }
 
 void AliGenCocktail::
@@ -68,7 +68,7 @@ AddGenerator(AliGenerator *Generator, const char* Name, Float_t RateExp)
 // Add a generator to the list 
 // First check that list exists
     if (!fEntries) fEntries = new TList();
-
+    fTotalRate += RateExp;
 //
 //  Forward parameters to the new generator
     if(TestBit(kPtRange) && !(Generator->TestBit(kPtRange)) && !(Generator->TestBit(kMomentumRange))) 
@@ -82,13 +82,15 @@ AddGenerator(AliGenerator *Generator, const char* Name, Float_t RateExp)
        Generator->SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi());
     if (!(Generator->TestBit(kThetaRange))) 
        Generator->SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi());
-    if (!(Generator->TestBit(kVertexRange))) 
+    if (!(Generator->TestBit(kVertexRange))) {
        Generator->SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]);
-
-    Generator->SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]);
-    Generator->SetVertexSmear(fVertexSmear);
-    Generator->SetVertexSource(kContainer);
+       Generator->SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]);
+       Generator->SetVertexSmear(fVertexSmear);
+       Generator->SetVertexSource(kContainer);
+    }
     Generator->SetTrackingFlag(fTrackIt);
+    Generator->SetContainer(this);
+    
         
 //
 //  Add generator to list   
@@ -101,7 +103,11 @@ AddGenerator(AliGenerator *Generator, const char* Name, Float_t RateExp)
     
      fEntries->Add(entry);
      fNGenerators++;
- }
+     flnk1 = 0;
+     flnk2 = 0;
+     fRandom  = kFALSE;
+     fHeader  = 0;
+}
 
   void AliGenCocktail::Init()
 {
@@ -156,6 +162,10 @@ AddGenerator(AliGenerator *Generator, const char* Name, Float_t RateExp)
     AliGenCocktailEntry *entry = 0;
     AliGenCocktailEntry *preventry = 0;
     AliGenerator* gen = 0;
+    if (fHeader) delete fHeader;
+
+    
+    fHeader = new AliGenCocktailEventHeader("Cocktail Header");
 
     TObjArray *partArray = gAlice->GetMCApp()->Particles();
 
@@ -172,8 +182,9 @@ AddGenerator(AliGenerator *Generator, const char* Name, Float_t RateExp)
        //
        // Loop over generators and generate events
        Int_t igen=0;
-       
        while((entry = (AliGenCocktailEntry*)next())) {
+           if (fUsePerEventRate && (gRandom->Rndm() > entry->Rate())) continue;
+           
            igen++;
            if (igen ==1) {
                entry->SetFirst(0);
@@ -198,7 +209,7 @@ AddGenerator(AliGenerator *Generator, const char* Name, Float_t RateExp)
            entry->SetLast(partArray->GetEntriesFast());
            preventry = entry;
        }  
-    } else {
+    } else if (fRandom) {
        //
        // Select a generator randomly
        //
@@ -215,15 +226,14 @@ AddGenerator(AliGenerator *Generator, const char* Name, Float_t RateExp)
        entry->Generator()->SetVertex(fVertex.At(0), fVertex.At(1), fVertex.At(2));
        entry->Generator()->Generate();
        entry->SetLast(partArray->GetEntriesFast());
-    }
-    
+    } 
     
     next.Reset();
-// Header
-    AliGenEventHeader* header = new AliGenEventHeader("AliGenCocktail");
+
 // Event Vertex
-    header->SetPrimaryVertex(eventVertex);
-    gAlice->SetGenEventHeader(header); 
+    fHeader->SetPrimaryVertex(eventVertex);
+    fHeader->CalcNProduced();
+    gAlice->SetGenEventHeader(fHeader); 
 }
 
 void AliGenCocktail::SetVertexSmear(VertexSmear_t smear)
@@ -291,17 +301,12 @@ NextGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
     }
 }
 
-AliGenCocktail& AliGenCocktail::operator=(const  AliGenCocktail& rhs)
+void AliGenCocktail::AddHeader(AliGenEventHeader* header)
 {
-// Assignment operator
-    rhs.Copy(*this); 
-    return (*this);
+// Add a header to the list 
+    if (fHeader) fHeader->AddHeader(header);
 }
 
-void AliGenCocktail::Copy(TObject &) const
-{
-    Fatal("Copy","Not implemented!\n");
-}