3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ///////////////////////////////////////////////////////////////////////////////
11 // Abstract Monte Carlo interface //
14 ///////////////////////////////////////////////////////////////////////////////
25 class AliMC : public TNamed
28 AliMC(const char *name, const char *title);
30 virtual ~AliMC() {fgMC=gMC=0;}
32 // static access method
33 static AliMC* GetMC() { return fgMC; }
36 // methods for building/management of geometry
37 // ------------------------------------------------
40 // functions from GCONS
41 virtual void Gfmate(Int_t imat, char *name, Float_t &a, Float_t &z,
42 Float_t &dens, Float_t &radl, Float_t &absl,
43 Float_t* ubuf, Int_t& nbuf) = 0;
45 // detector composition
46 virtual void Material(Int_t& kmat, const char* name, Float_t a,
47 Float_t z, Float_t dens, Float_t radl, Float_t absl,
48 Float_t* buf, Int_t nwbuf) = 0;
49 virtual void Mixture(Int_t& kmat, const char *name, Float_t *a,
50 Float_t *z, Float_t dens, Int_t nlmat, Float_t *wmat) = 0;
51 virtual void Medium(Int_t& kmed, const char *name, Int_t nmat,
52 Int_t isvol, Int_t ifield, Float_t fieldm, Float_t tmaxfd,
53 Float_t stemax, Float_t deemax, Float_t epsil,
54 Float_t stmin, Float_t* ubuf, Int_t nbuf) = 0;
55 virtual void Matrix(Int_t& krot, Float_t thetaX, Float_t phiX,
56 Float_t thetaY, Float_t phiY, Float_t thetaZ,
58 virtual void Gstpar(Int_t itmed, const char *param, Float_t parval) = 0;
60 // functions from GGEOM
61 virtual Int_t Gsvolu(const char *name, const char *shape, Int_t nmed,
62 Float_t *upar, Int_t np) = 0;
63 virtual void Gsdvn(const char *name, const char *mother, Int_t ndiv,
65 virtual void Gsdvn2(const char *name, const char *mother, Int_t ndiv,
66 Int_t iaxis, Float_t c0i, Int_t numed) = 0;
67 virtual void Gsdvt(const char *name, const char *mother, Float_t step,
68 Int_t iaxis, Int_t numed, Int_t ndvmx) = 0;
69 virtual void Gsdvt2(const char *name, const char *mother, Float_t step,
70 Int_t iaxis, Float_t c0, Int_t numed, Int_t ndvmx) = 0;
71 virtual void Gsord(const char *name, Int_t iax) = 0;
72 virtual void Gspos(const char *name, Int_t nr, const char *mother,
73 Float_t x, Float_t y, Float_t z, Int_t irot,
74 const char *konly="ONLY") = 0;
75 virtual void Gsposp(const char *name, Int_t nr, const char *mother,
76 Float_t x, Float_t y, Float_t z, Int_t irot,
77 const char *konly, Float_t *upar, Int_t np) = 0;
79 // functions for drawing
80 virtual void DrawOneSpec(const char* name) = 0;
81 virtual void Gsatt(const char* name, const char* att, Int_t val) = 0;
82 virtual void Gdraw(const char*,Float_t theta = 30, Float_t phi = 30,
83 Float_t psi = 0, Float_t u0 = 10, Float_t v0 = 10,
84 Float_t ul = 0.01, Float_t vl = 0.01) = 0;
87 virtual void WriteEuclid(const char*, const char*, Int_t, Int_t) = 0;
90 virtual Int_t VolId(const Text_t* volName) const = 0;
91 virtual const char* VolName(Int_t id) const = 0;
92 virtual Int_t NofVolumes() const = 0;
95 // methods for physics management
96 // ------------------------------------------------
100 virtual void SetCut(const char* cutName, Float_t cutValue) = 0;
101 virtual void SetProcess(const char* flagName, Int_t flagValue) = 0;
102 virtual Float_t Xsec(char*, Float_t, Int_t, Int_t) = 0;
104 // particle table usage
105 virtual Int_t IdFromPDG(Int_t id) const =0;
106 virtual Int_t PDGFromId(Int_t pdg) const =0;
107 virtual void DefineParticles() = 0;
110 // methods for step management
111 // ------------------------------------------------
115 virtual void StopTrack() =0;
116 virtual void StopEvent() =0;
119 virtual void SetMaxStep(Float_t) = 0;
120 virtual void SetMaxNStep(Int_t) = 0;
121 virtual void SetUserDecay(Int_t) =0;
124 // tracking volume(s)
125 virtual Int_t CurrentVolID(Int_t& copyNo) const =0;
126 virtual Int_t CurrentVolOffID(Int_t off, Int_t& copyNo) const =0;
127 virtual const char* CurrentVolName() const =0;
128 virtual const char* CurrentVolOffName(Int_t off) const =0;
129 virtual Int_t CurrentMaterial(Float_t &a, Float_t &z,
130 Float_t &dens, Float_t &radl, Float_t &absl) const =0;
131 virtual Int_t CurrentEvent() const =0;
132 virtual void Gmtod(Float_t* xm, Float_t* xd, Int_t iflag) = 0;
133 virtual void Gdtom(Float_t* xd, Float_t* xm, Int_t iflag)= 0 ;
134 virtual Float_t MaxStep() const =0;
135 virtual Int_t GetMaxNStep() const = 0;
136 virtual Int_t GetMedium() const =0;
139 // dynamic properties
140 virtual void TrackPosition(TLorentzVector& position) const =0;
141 virtual void TrackMomentum(TLorentzVector& momentum) const =0;
142 virtual Float_t TrackStep() const =0;
143 virtual Float_t TrackLength() const =0;
144 virtual Float_t TrackTime() const =0;
145 virtual Float_t Edep() const =0;
147 virtual Int_t TrackPid() const =0;
148 virtual Float_t TrackCharge() const =0;
149 virtual Float_t TrackMass() const =0;
150 virtual Float_t Etot() const =0;
153 virtual Bool_t IsNewTrack() const =0;
154 virtual Bool_t IsTrackInside() const =0;
155 virtual Bool_t IsTrackEntering() const =0;
156 virtual Bool_t IsTrackExiting() const =0;
157 virtual Bool_t IsTrackOut() const =0;
158 virtual Bool_t IsTrackDisappeared() const =0;
159 virtual Bool_t IsTrackStop() const =0;
160 virtual Bool_t IsTrackAlive() const=0;
163 virtual Int_t NSecondaries() const=0;
164 virtual void GetSecondary(Int_t isec, Int_t& particleId,
165 TLorentzVector& position, TLorentzVector& momentum) =0;
166 virtual const char* ProdProcess() const =0;
169 // other (then geometry/step/run management) methods
170 // ----------------------------------------------
172 virtual void Rndm(Float_t* array, const Int_t size) const=0;
175 // Geant3 specific methods
176 // !!! need to be transformed to common interface
178 virtual void Gdopt(const char*,const char*) = 0;
179 virtual void SetClipBox(const char*,Float_t=-9999,Float_t=0, Float_t=-9999,Float_t=0,Float_t=-9999,Float_t=0) = 0;
180 virtual void DefaultRange() = 0;
181 virtual void Gdhead(Int_t, const char*, Float_t=0) = 0;
182 virtual void Gdman(Float_t, Float_t, const char*) = 0;
183 virtual void SetColors() = 0;
184 virtual void Gtreve() = 0;
185 virtual void GtreveRoot() = 0;
186 virtual void Gckmat(Int_t, char*) = 0;
187 virtual void InitLego() = 0;
188 virtual void Gfpart(Int_t, char*, Int_t&, Float_t&, Float_t&, Float_t&) = 0;
189 virtual void Gspart(Int_t, const char*, Int_t, Float_t, Float_t, Float_t) = 0;
193 virtual void Init() = 0;
194 virtual void FinishGeometry() = 0;
195 virtual void BuildPhysics() = 0;
196 virtual void ProcessEvent() = 0;
197 virtual void ProcessRun(Int_t nevent) = 0;
199 virtual void SetExternalDecayer(AliDecayer* decayer) =0;
200 virtual AliDecayer* Decayer() const =0;
203 static AliMC* fgMC; // Pointer to the virtual MonteCarlo object
204 AliMC(const AliMC &) {}
205 AliMC & operator=(const AliMC &) {return (*this);}
207 ClassDef(AliMC,1) //Virtual MonteCarlo Interface