X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;ds=sidebyside;f=EVGEN%2FAliGenParam.h;h=591ed798f0626c3e1a829e4073b963179f4a0af3;hb=21b0adb11edf98c5ed4cbe72c5265b40fb435c30;hp=dfd4dc8ef686a48dc8c0bdd7e597726152e9c63e;hpb=fff02fee2c2b64f6690f1cba68f5bb819951a093;p=u%2Fmrichter%2FAliRoot.git

diff --git a/EVGEN/AliGenParam.h b/EVGEN/AliGenParam.h
index dfd4dc8ef68..591ed798f06 100644
--- a/EVGEN/AliGenParam.h
+++ b/EVGEN/AliGenParam.h
@@ -5,8 +5,15 @@
 
 /* $Id$ */
 
+//
+// Class to generate particles from using parametrized pT and y distributions.
+// Distributions are obtained from pointer to object of type AliGenLib.
+// (For example AliGenMUONlib)
+//
+// andreas.morsch@cern.ch
+//
+
 #include "AliGenMC.h"
-#include <TArrayI.h>
 
 class AliPythia;
 class TParticle;
@@ -17,32 +24,42 @@ typedef enum { kAnalog, kNonAnalog} Weighting_t;
 //-------------------------------------------------------------
 class AliGenParam : public AliGenMC
 {
- public:
+public:
     AliGenParam();
-    AliGenParam(Int_t npart, AliGenLib * Library, Int_t param, char* tname = 0);
-    AliGenParam(Int_t npart, Int_t param, char* tname = 0);
+    AliGenParam(Int_t npart, const AliGenLib * Library, Int_t param,   const char*  tname = 0);
+    AliGenParam(Int_t npart, Int_t param, const char* tname = 0, const char*  name  = 0);
     AliGenParam(Int_t npart, Int_t param,
-		Double_t (*PtPara)(Double_t*, Double_t*),
-		Double_t (*YPara )(Double_t*, Double_t*),
+		Double_t (*PtPara)(const Double_t*, const Double_t*),
+		Double_t (*YPara )(const Double_t*, const Double_t*),
+	      Double_t (*V2Para)(const Double_t*, const Double_t*),
 		Int_t    (*IpPara)(TRandom*)           );
-    AliGenParam(const AliGenParam &Param);
      
     virtual ~AliGenParam();
+    virtual void GenerateN(Int_t ntimes);
     virtual void Generate();
     virtual void Init();
     // select particle type
     virtual void SetParam(Int_t param) {fParam = param;}
+    //Setting the flag for Background transportation while using SetForceDecay()
+    void SetSelectAll(Bool_t selectall) {fSelectAll = selectall;}
     // force decay type
     virtual void SetWeighting(Weighting_t flag = kAnalog) {fAnalog = flag;}	
     virtual void SetDeltaPt(Float_t delta=0.01) {fDeltaPt = delta;}
-    
-    AliGenParam & operator=(const AliGenParam & rhs);
- protected:
-    Double_t (*fPtParaFunc)(Double_t*, Double_t*); //! Pointer to Pt parametrisation function
-    Double_t (*fYParaFunc )(Double_t*, Double_t*); //! Pointer to Y parametrisation function
+    virtual void SetDecayer(AliDecayer* decayer) {fDecayer = decayer;}
+    virtual void Draw(const char * opt);
+    TF1 *  GetPt() { return fPtPara;}
+    TF1 *  GetY() {return fYPara;}
+    Float_t GetRelativeArea(Float_t ptMin, Float_t ptMax, Float_t yMin, Float_t yMax, Float_t phiMin, Float_t phiMax);
+
+protected:
+    Double_t (*fPtParaFunc)(const Double_t*, const Double_t*); //! Pointer to Pt parametrisation function
+    Double_t (*fYParaFunc )(const Double_t*, const Double_t*); //! Pointer to Y parametrisation function
     Int_t    (*fIpParaFunc )(TRandom*);    //! Pointer to particle type parametrisation function
+  Double_t (*fV2ParaFunc )(const Double_t*, const Double_t*);//! Pointer to V2 parametrisation function
     TF1* fPtPara;              // Transverse momentum parameterisation
     TF1* fYPara;               // Rapidity parameterisation
+  TF1*        fV2Para;       // v2 parametrization
+  TF1*        fdNdPhi;       // Phi distribution depending on v2
     Int_t       fParam;        // Parameterisation type 
     Float_t     fdNdy0;        // central multiplicity per event
     Float_t     fYWgt;         // Y-weight
@@ -50,8 +67,14 @@ class AliGenParam : public AliGenMC
     Float_t     fBias;         // Biasing factor
     Int_t       fTrials;       // Number of trials
     Float_t     fDeltaPt;      // pT sampling in steps of fDeltaPt
+    Bool_t      fSelectAll;    // Flag for transportation of Background while using SetForceDecay()
     AliDecayer  *fDecayer;     // ! Pointer to pythia object for decays
-  ClassDef(AliGenParam,1) // Generator using parameterised pt- and y-distribution
+
+private:
+    AliGenParam(const AliGenParam &Param);
+    AliGenParam & operator=(const AliGenParam & rhs);
+
+    ClassDef(AliGenParam, 2) // Generator using parameterised pt- and y-distribution
 };
 #endif