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16bf9884 1#ifndef ALITRDSIMPLEMC_H
2#define ALITRDSIMPLEMC_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
0a29d0f1 8///////////////////////////////////////////////////////////////////////////////
9// //
10// Simple TRD Monte Carlo class //
11// //
12///////////////////////////////////////////////////////////////////////////////
cafdf622 13
14#include <RVersion.h>
88cb7938 15#include <TMCProcess.h>
16#include <TVirtualMC.h>
b9d0a01d 17#include "AliDecayer.h"
16bf9884 18
19class AliTRDv1;
5443e65e 20class AliTRDparameter;
16bf9884 21
4c475d27 22class AliTRDsimpleMC : public TVirtualMC {
16bf9884 23
24 public:
25
26 enum {
27 kPdgElectron = 11
28 , kPdgPion = 211
29 };
30
31 AliTRDsimpleMC();
32 AliTRDsimpleMC(const char *name, const char *title);
33 AliTRDsimpleMC(const AliTRDsimpleMC &m);
34
35 virtual ~AliTRDsimpleMC();
36 AliTRDsimpleMC &operator=(const AliTRDsimpleMC &m);
37
38 virtual void Copy(TObject &m);
39
40 //
41 // Methods for building / management of geometry
42 //
43
44 // Functions from GCONS
73ae7b59 45 virtual void Gfmate(Int_t , char* , Float_t& , Float_t& ,
46 Float_t& , Float_t& , Float_t& ,
47 Float_t* , Int_t& ) {}
48 virtual void Gfmate(Int_t , char* , Double_t& , Double_t& ,
49 Double_t& , Double_t& , Double_t& ,
50 Double_t* , Int_t& ) {}
16bf9884 51
52 // Detector composition
73ae7b59 53 virtual void Material(Int_t& , const char* , Double_t ,
54 Double_t , Double_t , Double_t , Double_t ,
55 Float_t* , Int_t ) {}
56 virtual void Material(Int_t& , const char* , Double_t ,
57 Double_t , Double_t , Double_t , Double_t ,
58 Double_t* , Int_t ) {}
59 virtual void Mixture(Int_t& , const char* , Float_t* ,
60 Float_t *, Double_t , Int_t , Float_t* ) {}
61 virtual void Mixture(Int_t& , const char* , Double_t *,
62 Double_t *, Double_t , Int_t , Double_t* ) {}
63 virtual void Medium(Int_t& , const char* , Int_t ,
64 Int_t , Int_t , Double_t , Double_t ,
65 Double_t , Double_t , Double_t ,
66 Double_t , Float_t* , Int_t ) {}
67 virtual void Medium(Int_t& , const char* , Int_t ,
68 Int_t , Int_t , Double_t , Double_t ,
69 Double_t , Double_t , Double_t ,
70 Double_t , Double_t* , Int_t ) {}
71 virtual void Matrix(Int_t& , Double_t , Double_t ,
72 Double_t , Double_t , Double_t ,
73 Double_t ) {}
74 virtual void Gstpar(Int_t , const char* , Double_t ) {}
16bf9884 75
76 // Functions from GGEOM
73ae7b59 77 virtual Int_t Gsvolu(const char* , const char* , Int_t ,
78 Float_t* , Int_t ) { return 0; }
79 virtual Int_t Gsvolu(const char* , const char* , Int_t ,
80 Double_t* , Int_t) { return 0; }
81 virtual void Gsdvn(const char* , const char* , Int_t ,
82 Int_t ) {}
83 virtual void Gsdvn2(const char* , const char* , Int_t ,
84 Int_t , Double_t , Int_t ) {}
85 virtual void Gsdvt(const char* , const char* , Double_t ,
86 Int_t , Int_t , Int_t ) {}
87 virtual void Gsdvt2(const char* , const char* , Double_t ,
88 Int_t , Double_t , Int_t , Int_t ) {}
89 virtual void Gsord(const char* , Int_t ) {}
90 virtual void Gspos(const char* , Int_t , const char* ,
91 Double_t , Double_t , Double_t , Int_t ,
92 const char* ) {}
93 virtual void Gsposp(const char* , Int_t , const char* ,
94 Double_t, Double_t, Double_t, Int_t ,
95 const char* , Float_t* , Int_t ) {}
96 virtual void Gsposp(const char* , Int_t , const char* ,
97 Double_t , Double_t , Double_t , Int_t ,
98 const char* , Double_t* , Int_t ) {}
99 virtual void Gsbool(const char* , const char* ) {}
100
101 virtual void SetCerenkov(Int_t , Int_t , Float_t* ,
102 Float_t* , Float_t* , Float_t* ) {}
103 virtual void SetCerenkov(Int_t , Int_t , Double_t* ,
104 Double_t* , Double_t* , Double_t* ) {}
b9d0a01d 105
16bf9884 106 // Functions for drawing
73ae7b59 107 virtual void DrawOneSpec(const char* ) {}
108 virtual void Gsatt(const char* , const char* , Int_t ) {}
109 virtual void Gdraw(const char* , Double_t , Double_t ,
110 Double_t , Double_t , Double_t ,
111 Double_t , Double_t ) {}
16bf9884 112
113 // Euclid
73ae7b59 114 virtual void WriteEuclid(const char* , const char* , Int_t , Int_t ) {}
16bf9884 115
116 // Get methods
b9d0a01d 117 virtual Int_t VolId(const Text_t* volName) const;
73ae7b59 118 virtual const char* VolName(Int_t ) const { return ""; }
b9d0a01d 119 virtual Int_t NofVolumes() const { return 0; }
73ae7b59 120 virtual Int_t VolId2Mate(Int_t ) const { return 0; }
16bf9884 121
122 //
123 // Methods for physics management
124 //
125
126 // Set methods
73ae7b59 127 virtual void SetCut(const char* , Double_t ) {}
128 virtual void SetProcess(const char* , Int_t ) {}
b9d0a01d 129 virtual Double_t Xsec(char*, Double_t, Int_t, Int_t) { return 0.; }
16bf9884 130
131 // Particle table usage
73ae7b59 132 virtual Int_t IdFromPDG(Int_t ) const { return 0; }
133 virtual Int_t PDGFromId(Int_t ) const { return 0; }
b9d0a01d 134 virtual void DefineParticles() {}
16bf9884 135
136 //
137 // Methods for step management
138 //
139
140 // Action methods
141 virtual void StopTrack() { };
142 virtual void StopEvent() { };
143
144 // Set methods
b9d0a01d 145 virtual void SetMaxStep(Double_t step) { fMaxStep = step; };
73ae7b59 146 virtual void SetMaxNStep(Int_t ) { };
147 virtual void SetUserDecay(Int_t ) { };
16bf9884 148
149 virtual void NewTrack(Int_t iTrack, Int_t pdg, Double_t px, Double_t py, Double_t pz);
150
151 // Tracking volume(s)
152 virtual Int_t CurrentVolID(Int_t& copyNo) const;
153 virtual Int_t CurrentVolOffID(Int_t off, Int_t& copyNo) const;
ee7e3ede 154 virtual const char* CurrentVolName() const;
73ae7b59 155 virtual const char* CurrentVolOffName(Int_t ) const { return ""; };
156 virtual Int_t CurrentMaterial(Float_t& , Float_t& ,
157 Float_t& , Float_t& ,
158 Float_t& ) const { return 0; };
16bf9884 159 virtual Int_t CurrentEvent() const { return 0; };
73ae7b59 160 virtual void Gmtod(Float_t* , Float_t* , Int_t ) {}
161 virtual void Gmtod(Double_t* , Double_t* , Int_t ) {}
162 virtual void Gdtom(Float_t* , Float_t* , Int_t ) {}
163 virtual void Gdtom(Double_t* , Double_t* , Int_t ) {}
b9d0a01d 164 virtual Double_t MaxStep() const { return fMaxStep; };
16bf9884 165 virtual Int_t GetNStep() const { return fNStep; };
166 virtual Int_t GetMaxNStep() const { return 0; };
167 virtual Int_t GetMedium() const { return 0; };
168
169 // Dynamic properties
170 virtual void TrackPosition(TLorentzVector& position) const;
059f00b8 171 virtual void TrackPosition(Double_t &x, Double_t &y, Double_t &z) const;
16bf9884 172 virtual void TrackMomentum(TLorentzVector& momentum) const;
059f00b8 173 virtual void TrackMomentum(Double_t &px, Double_t &py, Double_t &pz, Double_t &etot) const;
b9d0a01d 174 virtual Double_t TrackStep() const { return fTrackStep; };
175 virtual Double_t TrackLength() const { return 0.0; };
176 virtual Double_t TrackTime() const { return 0.0; };
177 virtual Double_t Edep() const { return 0.0; };
16bf9884 178
179 // Static properties
180 virtual Int_t TrackPid() const { return fTrackPid; };
b9d0a01d 181 virtual Double_t TrackCharge() const { return fTrackCharge; };
182 virtual Double_t TrackMass() const { return fTrackMass; };
183 virtual Double_t Etot() const { return fTrackEtot; };
16bf9884 184
185 // Track status
186 virtual Bool_t IsNewTrack() const { return kFALSE; };
187 virtual Bool_t IsTrackInside() const { return kFALSE; };
188 virtual Bool_t IsTrackEntering() const { return fTrackEntering; };
189 virtual Bool_t IsTrackExiting() const { return kFALSE; };
190 virtual Bool_t IsTrackOut() const { return kFALSE; };
191 virtual Bool_t IsTrackDisappeared() const { return kFALSE; };
192 virtual Bool_t IsTrackStop() const { return kFALSE; };
193 virtual Bool_t IsTrackAlive() const { return kFALSE; };
194
195 // Secondaries
196 virtual Int_t NSecondaries() const { return 0; };
73ae7b59 197 virtual void GetSecondary(Int_t , Int_t& ,
198 TLorentzVector& ,
199 TLorentzVector& ) { };
200 virtual TMCProcess ProdProcess(Int_t ) const { return kPNoProcess; };
201 virtual Int_t StepProcesses(TArrayI& ) const { return 0; };
16bf9884 202
203 //
204 // Other (then geometry/step/run management) methods
205 //
206
207 // Geant3 specific methods
b9d0a01d 208 virtual void Gdopt(const char*,const char*) {}
209 virtual void SetClipBox(const char*,Double_t=-9999,Double_t=0, Double_t=-9999,
210 Double_t=0,Double_t=-9999,Double_t=0) {}
211 virtual void DefaultRange() {}
212 virtual void Gdhead(Int_t, const char*, Double_t=0) {}
213 virtual void Gdman(Double_t, Double_t, const char*) {}
214 virtual void SetColors() {}
215 virtual void Gtreve() {}
216 virtual void GtreveRoot() {}
217 virtual void Gckmat(Int_t, char*) {}
218 virtual void InitLego() {}
219 virtual void Gfpart(Int_t, char*, Int_t&, Float_t&, Float_t&, Float_t&) {}
220 virtual void Gspart(Int_t, const char*, Int_t, Double_t, Double_t, Double_t) {}
5fa3071f 221 // Dummy methods
cafdf622 222#if ROOT_VERSION_CODE > 197895
5fa3071f 223 virtual void DefineParticle(int, const char*, TMCParticleType, double, double, double){;}
224 virtual void DefineIon(const char*, int, int, int, double, double){;}
fc8eab84 225 virtual TString ParticleName(int) const {return "";}
226 virtual Double_t ParticleMass(int) const {return 0.;}
227 virtual Double_t ParticleCharge(int) const {return 0.;}
228 virtual Double_t ParticleLifeTime(int) const {return 0.;}
229 virtual TMCParticleType ParticleMCType(int) const {return (TMCParticleType) 0;}
cafdf622 230#endif
5fa3071f 231 //
16bf9884 232 // Control Methods
233 virtual void Init() { };
234 virtual void FinishGeometry() { };
235 virtual void BuildPhysics() { };
236 virtual void ProcessEvent();
73ae7b59 237 virtual void ProcessRun(Int_t ) { };
fd621f36 238 //virtual TMCGeomType GetMCGeomType() const { return kGeant3; }
16bf9884 239
240 // External Decayer
73ae7b59 241 virtual void SetExternalDecayer(AliDecayer* ) { };
16bf9884 242 virtual AliDecayer *Decayer() const { return 0; };
243
244 protected:
245
246 enum {
247 kVolDrRg
248 , kVolAmRg
249 , kVolDrCh
250 };
251
5443e65e 252 Float_t fMaxStep; // Maximum step size
253 Int_t fNStep; // Number of steps
254 Int_t fTrack; // Track number
255 Double_t fTrackPx; // Track px
256 Double_t fTrackPy; // Track py
257 Double_t fTrackPz; // Track pz
258 Double_t fTrackPtot; // Track total momentum
259 Double_t fTrackEtot; // Track total energy
260 Double_t fTrackX; // Track x position
261 Double_t fTrackY; // Track y position
262 Double_t fTrackZ; // Track z position
263 Double_t fX0; // X position of the beginning of the chamber
264 Double_t fTrackStep; // Track step size
265 Int_t fTrackPid; // Track PID
266 Float_t fTrackCharge; // Track charge
267 Float_t fTrackMass; // Track particle mass
268 Bool_t fTrackEntering; // Track entering chamber
269
270 AliTRDv1 *fTRD; //! TRD detector object
271 AliTRDparameter *fPar; //! TRD parameter object
272
273 ClassDef(AliTRDsimpleMC,2) // Simple TRD Monte Carlo class
16bf9884 274
275};
276#endif
b9d0a01d 277