--- /dev/null
+#ifndef ALIGENHBTPROCESSOR_H
+#define ALIGENHBTPROCESSOR_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+/* $Id$ */
+
+// Implementation of the interface for THBTprocessor
+// Author: Piotr Krzysztof Skowronski <Piotr.Skowronski@cern.ch>
+
+#include "AliGenerator.h"
+#include <TFile.h>
+#include <TTree.h>
+#include <AliPDG.h>
+#include "THBTprocessor.h"
+
+enum {kHBTPMaxParticleTypes = 50};
+
+class AliGenHBTprocessor : public AliGenerator {
+
+ public:
+ AliGenHBTprocessor();
+ virtual ~AliGenHBTprocessor();
+
+ virtual void Init();
+ virtual void Generate();
+ virtual void GetParticles(TClonesArray * particles);
+ Int_t IdFromPDG(Int_t) const;
+ Int_t PDGFromId(Int_t) const;
+
+ Int_t GetHbtPStatusCode(Int_t part) const;
+ void SetHbtPStatusCode(Int_t hbtstatcode, Int_t part);
+ static const Int_t fgkHBTPMAXPART;
+/************* S E T T E R S ******************/
+
+ virtual void SetTrackRejectionFactor(Float_t trf = 1.0);
+
+ virtual void SetRefControl(Int_t rc =2);
+ virtual void SetPIDs(Int_t pid1 = kPiPlus,Int_t pid2 = kPiMinus); //PDG Codes of particles to be processed, default \\Pi^{+} and \\Pi^{-}
+ virtual void SetNPIDtypes(Int_t npidt = 2); //Number ofparticle types to be processed
+ virtual void SetDeltap(Float_t deltp = 0.1); //maximum range for random momentum shifts in GeV/c;
+ //px,py,pz independent; Default = 0.1 GeV/c.
+ virtual void SetMaxIterations(Int_t maxiter = 50);
+ virtual void SetDelChi(Float_t dc = 0.1);
+ virtual void SetIRand(Int_t irnd = 76564) ;
+
+ virtual void SetLambda(Float_t lam = 0.6);
+ virtual void SetR1d(Float_t r = 7.0) ;
+ virtual void SetRSide(Float_t rs = 6.0);
+ virtual void SetROut(Float_t ro = 7.0) ;
+ virtual void SetRLong(Float_t rl = 4.0) ;
+ virtual void SetRPerp(Float_t rp = 6.0);
+ virtual void SetRParallel(Float_t rprl = 4.0);
+ virtual void SetR0(Float_t r0 = 4.0) ;
+ virtual void SetQ0(Float_t q0 = 9.0) ;
+ virtual void SetSwitch1D(Int_t s1d = 3);
+ virtual void SetSwitch3D(Int_t s3d = 0) ;
+ virtual void SetSwitchType(Int_t st = 3);
+ virtual void SetSwitchCoherence(Int_t sc = 0);
+ virtual void SetSwitchCoulomb(Int_t scol = 2);
+ virtual void SetSwitchFermiBose(Int_t sfb = 1);
+
+ virtual void SetMomentumRange(Float_t pmin=0, Float_t pmax=0); //Dummy method
+ virtual void SetPtRange(Float_t ptmin = 0.1, Float_t ptmax = 0.98);
+ virtual void SetPxRange(Float_t pxmin = -1.0, Float_t pxmax = 1.0);
+ virtual void SetPyRange(Float_t pymin = -1.0, Float_t pymax = 1.0);
+ virtual void SetPzRange(Float_t pzmin = -3.6, Float_t pzmax = 3.6);
+
+ virtual void SetPhiRange(Float_t phimin = 0.0, Float_t phimax = 360.0);//Angle in degrees
+ //coherent with AliGenCocktail
+ //incohernet with AliGenerator
+ virtual void SetEtaRange(Float_t etamin = -1.5, Float_t etamax = 1.5);//Pseudorapidity
+
+ virtual void SetNPtBins(Int_t nptbin = 50);
+ virtual void SetNPhiBins(Int_t nphibin = 50);
+ virtual void SetNEtaBins(Int_t netabin = 50);
+ virtual void SetNPxBins(Int_t npxbin = 20);
+ virtual void SetNPyBins(Int_t npybin = 20);
+ virtual void SetNPzBins(Int_t npzbin = 70);
+
+
+ virtual void SetNBins1DFineMesh(Int_t n = 10);
+ virtual void SetBinSize1DFineMesh(Float_t x=0.01);
+
+ virtual void SetNBins1DCoarseMesh(Int_t n =2 );
+ virtual void SetBinSize1DCoarseMesh(Float_t x=0.05);
+
+ virtual void SetNBins3DFineMesh(Int_t n = 8);
+ virtual void SetBinSize3DFineMesh(Float_t x=0.01);
+
+ virtual void SetNBins3DCoarseMesh(Int_t n = 2);
+ virtual void SetBinSize3DCoarseMesh(Float_t x=0.08);
+
+ virtual void SetNBins3DFineProjectMesh(Int_t n =3 );
+/***********************************************************************/
+/* * * * * * * P R O T E C T E D A R E A * * * * * * * * * * * */
+/***********************************************************************/
+ protected:
+
+ THBTprocessor * fHBTprocessor; //pointer to generator (TGenerator)
+ Int_t **fHbtPStatCodes; //! hbtp status codes of particles
+ Int_t fNPDGCodes; //! Number of defined particles
+ Int_t fPDGCode[kHBTPMaxParticleTypes]; //! PDG codes (for conversion PDG<->Geant)
+ void DefineParticles(); //initiates array with PDG codes
+ void InitStatusCodes(); //Initiates status codes (allocates memory and sets everything to zero)
+ void CleanStatusCodes(); //deletes array with status codes
+ /********** P A R A M E T E R S OF THE GENERATOR****************/
+
+ Float_t fTrackRejectionFactor; //variates in range 0.0 <-> 1.0
+ //Describes the factor of particles rejected from the output.
+ //Used only in case of low muliplicity particles e.g. lambdas.
+ //Processor generates addisional particles and builds the
+ //correletions on such a statistics.
+ //At the end these particels are left in the event according
+ //to this factor: 1==all particles are left
+ // 0==all are removed
+ Int_t fReferenceControl; //switch wether read reference histograms from file =1
+ // compute from input events =2 - default
+ Int_t fPrintFull; // Full print out option - each event
+ Int_t fPrintSectorData; // Print sector overflow diagnostics
+ Int_t fNPidTypes; // # particle ID types to correlate
+ Int_t fPid[2]; // Geant particle ID #s, max of 2 types
+ Int_t fNevents ; // # events in input event text file
+ Int_t fSwitch_1d; // Include 1D correlations
+ Int_t fSwitch_3d; // Include 3D correlations
+ Int_t fSwitch_type ; // For like, unlike or both PID pairs
+ Int_t fSwitch_coherence; // To include incoh/coher mixed source
+ Int_t fSwitch_coulomb; // Coulomb correction selection options
+ Int_t fSwitch_fermi_bose; // For fermions or bosons
+
+// Numbers of particles and pairs:
+
+ Int_t fN_part_1_trk; // Total # PID #1 in 'trk', all flags
+ Int_t fN_part_2_trk; // Total # PID #2 in 'trk', all flags
+ Int_t fN_part_tot_trk; // Total # all part. in 'trk', all flgs
+ Int_t fN_part_used_1_trk; // # PID#1, used (flag=0) in 'trk'
+ Int_t fN_part_used_2_trk; // # PID#2, used (flag=0) in 'trk'
+
+ Int_t fN_part_1_trk2; // Total # PID #1 in 'trk2', all flags
+ Int_t fN_part_2_trk2; // Total # PID #2 in 'trk2', all flags
+ Int_t fN_part_tot_trk2; // Total # all part. in 'trk2', all flgs
+ Int_t fN_part_used_1_trk2; // # PID#1, used (flag=0) in 'trk2'
+ Int_t fN_part_used_2_trk2; // # PID#2, used (flag=0) in 'trk2'
+
+ Int_t fN_part_used_1_ref; // # PID#1, used (flag=0) in Reference
+ Int_t fN_part_used_2_ref; // # PID#2, used (flag=0) in Reference
+ Int_t fN_part_used_1_inc; // # PID#1, used (flag=0) in Inclusive
+ Int_t fN_part_used_2_inc; // # PID#2, used (flag=0) in Inclusive
+
+ Int_t fNum_pairs_like; // # like pairs used (flag=0) in fit
+ Int_t fNum_pairs_unlike; // # unlike pairs used (flag=0) in fit
+ Int_t fNum_pairs_like_ref; // # like pairs used (flag=0) in Ref.
+ Int_t fNum_pairs_unlike_ref; // # unlike pairs used (flag=0) in Ref.
+ Int_t fNum_pairs_like_inc; // # like pairs used (flag=0) in Incl.
+ Int_t fNum_pairs_unlike_inc; // # unlike pairs used (flag=0) in Incl.
+
+// Counters:
+
+ Int_t fEvent_line_counter; // Input event text file line counter
+ Int_t fMaxit; // Max # iterations in track adjustment
+ Int_t fIrand; // Random # starting seed (Def=12345)
+ Int_t fFile10_line_counter; // Output, correlated event text file
+// // line counter
+
+// Correlation Model Parameters:
+
+ Float_t fLambda; // Chaoticity parameter
+ Float_t fR_1d; // Spherical source radius (fm)
+ Float_t fRside; // 3D Bertsch-Pratt source 'side' R (fm)
+ Float_t fRout; // 3D Bertsch-Pratt source 'out' R (fm)
+ Float_t fRlong; // 3D Bertsch-Pratt source 'long' R (fm)
+ Float_t fRperp; // 3D YKP source transverse radius (fm)
+ Float_t fRparallel; // 3D YKP source longitudinal radius(fm)
+ Float_t fR0; // 3D YKP source emission time durat(fm)
+ Float_t fQ0; // NA35 Coulomb parameter (GeV/c) or
+// // Coul radius for Pratt finite src (fm)
+
+// Search Control Parameters:
+
+
+ Float_t fDeltap; // Max limit for x,y,z momt shifts(GeV/c)
+ Float_t fDelchi; // Min% change in Chi-Sq to stop iterat.
+
+
+// Chi-Square Values:
+
+ Float_t fChisq_wt_like_1d; // 1D, Like pairs
+ Float_t fChisq_wt_unlike_1d; // 1D, Unlike pairs
+ Float_t fChisq_wt_like_3d_fine; // 3D, Like pairs, Fine Mesh
+ Float_t fChisq_wt_unlike_3d_fine; // 3D, Unlike pairs, Fine Mesh
+ Float_t fChisq_wt_like_3d_coarse; // 3D, Like pairs, Coarse Mesh
+ Float_t fChisq_wt_unlike_3d_coarse; // 3D, Unlike pairs, Coarse Mesh
+ Float_t fChisq_wt_hist1_1; // One-body, particle ID type #1
+ Float_t fChisq_wt_hist1_2; // One-body, particle ID type #2
+
+// Particle Masses:
+
+ Float_t fMass1, fMass2; // Particle ID# 1 and 2 masses (GeV)
+
+
+ /********** M E S H ****************/
+
+
+ Int_t fN_pt_bins; // # one-body pt bins
+ Int_t fN_phi_bins; // # one-body phi bins
+ Int_t fN_eta_bins; // # one-body eta bins
+
+ Int_t fN_1d_fine; // # bins for 1D, Fine Mesh
+ Int_t fN_1d_coarse; // # bins for 1D, Coarse Mesh
+ Int_t fN_1d_total; // Total # bins for 1D
+ Int_t fN_3d_fine ; // # bins for 3D, Fine Mesh
+ Int_t fN_3d_coarse; // # bins for 3D, Coarse Mesh
+ Int_t fN_3d_total; // Total # bins for 3D
+ Int_t fN_3d_fine_project; // # 3D fine mesh bins to sum over for
+
+// Momentum Space Sectors for Track Sorting:
+
+ Int_t fN_px_bins; // # sector bins in px
+ Int_t fN_py_bins; // # sector bins in py
+ Int_t fN_pz_bins; // # sector bins in pz
+ Int_t fN_sectors; // Total # sectors in 3D momentum space
+
+// Temporary Momentum Space Sector information storage during trk adjust.
+
+ Int_t fOld_sec_ntrk; // Old sector # tracks
+ Int_t fOld_sec_flag; // Old sector flag value
+ Int_t fOld_sec_trkid[MAX_TRK_SAVE]; // Old sector track id array
+
+ Int_t fNew_sec_ntrk; // New sector # tracks
+ Int_t fNew_sec_flag; // New sector flag value
+ Int_t fNew_sec_trkid[MAX_TRK_SAVE];// New sector track id array
+ Int_t fNew_sec_save; // New sector ID value
+ Int_t fNld_sec_save; // Old sector ID value
+
+ Float_t fPt_bin_size ; // One-body pt bin size in (GeV/c)
+
+
+ Float_t fPhi_bin_size; // One-body phi bin size in (degrees)
+
+ Float_t fEta_bin_size ; // One-body eta bin size
+ Float_t fEta_min; // One-body eta min/max
+ Float_t fEta_max;
+// Two-Body Histograms and Correlation Mesh for 1D and 3D distributions:
+// // projections onto single axis.
+
+ Float_t fBinsize_1d_fine; // Bin Size - 1D, Fine Mesh in (GeV/c)
+ Float_t fBinsize_1d_coarse; // Bin Size - 1D, Coarse Mesh in (GeV/c)
+ Float_t fQmid_1d; // q (GeV/c) at fine-coarse mesh boundary
+ Float_t fQmax_1d; // Max q (GeV/c) for 1D distributions
+ Float_t fBinsize_3d_fine; // Bin Size - 3D, Fine Mesh in (GeV/c)
+ Float_t fBinsize_3d_coarse; // Bin Size - 3D, Coarse Mesh in (GeV/c)
+ Float_t fQmid_3d; // q (GeV/c) at fine-coarse mesh boundary
+ Float_t fQmax_3d; // Max q (GeV/c) for 3D distributions
+
+ Float_t fPx_min; // Sector range in px in GeV/c
+ Float_t fPx_max; //--//--
+ Float_t fDelpx; // Mom. space sector cell size - px(GeV/c)
+
+ Float_t fPy_min; // Sector range in py in GeV/c
+ Float_t fPy_max; // --//--
+ Float_t fDelpy; // Mom. space sector cell size - py(GeV/c)
+
+ Float_t fPz_min; // Sector range in pz in GeV/c min
+ Float_t fPz_max; // Sector range in pz in GeV/c max
+ Float_t fDelpz; // Mom. space sector cell size - pz(GeV/c)
+
+ public:
+ ClassDef(AliGenHBTprocessor,1) // Interface class for AliMevsim
+
+};
+#endif
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