1 #ifndef ALIGENFLUKASOURCE_H
2 #define ALIGENFLUKASOURCE_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
9 #include "AliGenerator.h"
15 // Read background particles from a FLUKA boundary source file
17 class AliGenFLUKAsource : public AliGenerator
21 AliGenFLUKAsource(Int_t npart);
22 AliGenFLUKAsource(const AliGenFLUKAsource &FLUKAsource);
23 virtual ~AliGenFLUKAsource();
25 virtual void Init() {}
26 // Initialise fluka data
27 virtual void FlukaInit();
28 // choose particle type
29 virtual void SetPartFlag(Int_t ikine) {fIkine=ikine;}
31 virtual void SetAgeMax(Float_t agemax) {fAgeMax=agemax;}
32 // use additional weight on neutrals
33 virtual void SetAddWeight(Float_t addwgt) {fAddWeight=addwgt;}
35 virtual void SetZshift(Float_t zshift) {fZshift=zshift;}
36 // set file name of data file
37 virtual void SetFileName(const Text_t *filname) {fFileName=filname;}
39 virtual void SetSourceId(Int_t id=-1){fSourceId=id;}
40 // add a new source file
41 virtual void AddFile(const Text_t *filname) ;
42 // read only fraction of data
43 virtual void SetFraction(Float_t frac=1.){fFrac=frac;}
45 virtual void Generate();
46 AliGenFLUKAsource & operator=(const AliGenFLUKAsource & rhs);
49 Int_t fIkine; // Flag to choose type of particles to be read in
50 // 6 - all particles types
53 // 9 - only charged particles
54 Float_t fAgeMax; // Maximum age of particle
55 Float_t fAddWeight; // Add weight for neutrons
56 Float_t fZshift; // Shift the Z of impact point by this quantity
57 Float_t fFrac; // Fraction of file that corresponds to one event
58 Int_t fSourceId; // Source identifier (-1: all sources)
61 const Text_t *fFileName; //!Choose the file
62 TChain *fTreeChain; //file chaining
63 TTree *fTreeFluka; //pointer to the TTree
64 //Declaration of variables read from the file -- TTree type
65 Float_t fIp; // Particle type
66 Float_t fIpp; // Primary particle type
67 Float_t fXi; // x-Impact
68 Float_t fYi; // y-Impact
69 Float_t fZi; // z-Impact
70 Float_t fPx; // Direction cosine x
71 Float_t fPy; // Direction cosine y
72 Float_t fPz; // Direction cosine z
73 Float_t fEkin; // Kinetic energy
74 Float_t fZv; // z-Position of particle vertex
75 Float_t fRv; // r-Position of particle vertex
76 Float_t fItra; // Primary track number
77 Float_t fIgas; // Volume identifier
78 Float_t fWgt; // Particle weight
79 Float_t fEtag; // Pseudorapidity of primary particle
80 Float_t fPtg; // Pt of primary particle
81 Float_t fAge; // Time of flight
85 ClassDef(AliGenFLUKAsource,1) //Boundary source