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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
8#include "AliMC.h"
9#include "AliMCProcess.h"
10
11class AliTRDv1;
12
13class AliTRDsimpleMC : public AliMC {
14
15 public:
16
17 enum {
18 kPdgElectron = 11
19 , kPdgPion = 211
20 };
21
22 AliTRDsimpleMC();
23 AliTRDsimpleMC(const char *name, const char *title);
24 AliTRDsimpleMC(const AliTRDsimpleMC &m);
25
26 virtual ~AliTRDsimpleMC();
27 AliTRDsimpleMC &operator=(const AliTRDsimpleMC &m);
28
29 virtual void Copy(TObject &m);
30
31 //
32 // Methods for building / management of geometry
33 //
34
35 // Functions from GCONS
36 virtual void Gfmate(Int_t imat, char *name, Float_t &a, Float_t &z,
37 Float_t &dens, Float_t &radl, Float_t &absl,
38 Float_t* ubuf, Int_t& nbuf) { };
39
40 // Detector composition
41 virtual void Material(Int_t& kmat, const char* name, Float_t a,
42 Float_t z, Float_t dens, Float_t radl, Float_t absl,
43 Float_t* buf, Int_t nwbuf) { };
44 virtual void Mixture(Int_t& kmat, const char *name, Float_t *a,
45 Float_t *z, Float_t dens, Int_t nlmat, Float_t *wmat) { };
46 virtual void Medium(Int_t& kmed, const char *name, Int_t nmat,
47 Int_t isvol, Int_t ifield, Float_t fieldm, Float_t tmaxfd,
48 Float_t stemax, Float_t deemax, Float_t epsil,
49 Float_t stmin, Float_t* ubuf, Int_t nbuf) { };
50 virtual void Matrix(Int_t& krot, Float_t thetaX, Float_t phiX,
51 Float_t thetaY, Float_t phiY, Float_t thetaZ,
52 Float_t phiZ) { };
53 virtual void Gstpar(Int_t itmed, const char *param, Float_t parval) { };
54
55 // Functions from GGEOM
56 virtual Int_t Gsvolu(const char *name, const char *shape, Int_t nmed,
57 Float_t *upar, Int_t np) { return 0; };
58 virtual void Gsdvn(const char *name, const char *mother, Int_t ndiv,
59 Int_t iaxis) { };
60 virtual void Gsdvn2(const char *name, const char *mother, Int_t ndiv,
61 Int_t iaxis, Float_t c0i, Int_t numed) { };
62 virtual void Gsdvt(const char *name, const char *mother, Float_t step,
63 Int_t iaxis, Int_t numed, Int_t ndvmx) { };
64 virtual void Gsdvt2(const char *name, const char *mother, Float_t step,
65 Int_t iaxis, Float_t c0, Int_t numed, Int_t ndvmx) { };
66 virtual void Gsord(const char *name, Int_t iax) { };
67 virtual void Gspos(const char *name, Int_t nr, const char *mother,
68 Float_t x, Float_t y, Float_t z, Int_t irot,
69 const char *konly="ONLY") { };
70 virtual void Gsposp(const char *name, Int_t nr, const char *mother,
71 Float_t x, Float_t y, Float_t z, Int_t irot,
72 const char *konly, Float_t *upar, Int_t np) { };
b39d9131 73 virtual void Gsbool(const char* onlyVolName, const char* manyVolName) {}
16bf9884 74
75 virtual void SetCerenkov(Int_t itmed, Int_t npckov, Float_t *ppckov,
76 Float_t *absco, Float_t *effic, Float_t *rindex) { };
77
78 // Functions for drawing
79 virtual void DrawOneSpec(const char* name) { };
80 virtual void Gsatt(const char* name, const char* att, Int_t val) { };
81 virtual void Gdraw(const char*,Float_t theta = 30, Float_t phi = 30,
82 Float_t psi = 0, Float_t u0 = 10, Float_t v0 = 10,
83 Float_t ul = 0.01, Float_t vl = 0.01) { };
84
85 // Euclid
86 virtual void WriteEuclid(const char *a, const char *b, Int_t c, Int_t d) { };
87
88 // Get methods
89 virtual Int_t VolId(const Text_t* volName) const;
90 virtual const char *VolName(Int_t id) const { return " "; };
91 virtual Int_t NofVolumes() const { return 0; };
92 virtual Int_t VolId2Mate(Int_t id) const { return 0; };
93
94 //
95 // Methods for physics management
96 //
97
98 // Set methods
99 virtual void SetCut(const char* cutName, Float_t cutValue) { };
100 virtual void SetProcess(const char* flagName, Int_t flagValue) { };
101 virtual Float_t Xsec(char *a, Float_t b, Int_t c, Int_t d) { return 0.0; };
102
103 // Particle table usage
104 virtual Int_t IdFromPDG(Int_t id) const { return 0; };
105 virtual Int_t PDGFromId(Int_t pdg) const { return 0; };
106 virtual void DefineParticles() { };
107
108 //
109 // Methods for step management
110 //
111
112 // Action methods
113 virtual void StopTrack() { };
114 virtual void StopEvent() { };
115
116 // Set methods
117 virtual void SetMaxStep(Float_t step) { fMaxStep = step; };
118 virtual void SetMaxNStep(Int_t n) { };
119 virtual void SetUserDecay(Int_t d) { };
120
121 virtual void NewTrack(Int_t iTrack, Int_t pdg, Double_t px, Double_t py, Double_t pz);
122
123 // Tracking volume(s)
124 virtual Int_t CurrentVolID(Int_t& copyNo) const;
125 virtual Int_t CurrentVolOffID(Int_t off, Int_t& copyNo) const;
126 virtual const char* CurrentVolName() const { return ""; };
127 virtual const char* CurrentVolOffName(Int_t off) const { return ""; };
128 virtual Int_t CurrentMaterial(Float_t &a, Float_t &z,
129 Float_t &dens, Float_t &radl,
130 Float_t &absl) const { return 0; };
131 virtual Int_t CurrentEvent() const { return 0; };
132 virtual void Gmtod(Float_t* xm, Float_t* xd, Int_t iflag) { };
133 virtual void Gdtom(Float_t* xd, Float_t* xm, Int_t iflag) { } ;
134 virtual Float_t MaxStep() const { return fMaxStep; };
135 virtual Int_t GetNStep() const { return fNStep; };
136 virtual Int_t GetMaxNStep() const { return 0; };
137 virtual Int_t GetMedium() const { return 0; };
138
139 // Dynamic properties
140 virtual void TrackPosition(TLorentzVector& position) const;
141 virtual void TrackMomentum(TLorentzVector& momentum) const;
142 virtual Float_t TrackStep() const { return fTrackStep; };
143 virtual Float_t TrackLength() const { return 0.0; };
144 virtual Float_t TrackTime() const { return 0.0; };
145 virtual Float_t Edep() const { return 0.0; };
146
147 // Static properties
148 virtual Int_t TrackPid() const { return fTrackPid; };
149 virtual Float_t TrackCharge() const { return fTrackCharge; };
150 virtual Float_t TrackMass() const { return fTrackMass; };
151 virtual Float_t Etot() const { return fTrackEtot; };
152
153 // Track status
154 virtual Bool_t IsNewTrack() const { return kFALSE; };
155 virtual Bool_t IsTrackInside() const { return kFALSE; };
156 virtual Bool_t IsTrackEntering() const { return fTrackEntering; };
157 virtual Bool_t IsTrackExiting() const { return kFALSE; };
158 virtual Bool_t IsTrackOut() const { return kFALSE; };
159 virtual Bool_t IsTrackDisappeared() const { return kFALSE; };
160 virtual Bool_t IsTrackStop() const { return kFALSE; };
161 virtual Bool_t IsTrackAlive() const { return kFALSE; };
162
163 // Secondaries
164 virtual Int_t NSecondaries() const { return 0; };
165 virtual void GetSecondary(Int_t isec, Int_t& particleId,
166 TLorentzVector& position,
167 TLorentzVector& momentum) { };
168 virtual AliMCProcess ProdProcess(Int_t isec) const { return kPNoProcess; };
169 virtual Int_t StepProcesses(TArrayI &proc) const { return 0; };
170
171 //
172 // Other (then geometry/step/run management) methods
173 //
174
175 // Geant3 specific methods
176 virtual void Gdopt(const char *c1,const char*c2) { };
177 virtual void SetClipBox(const char* cc,Float_t a=-9999,Float_t b=0,
178 Float_t c=-9999,Float_t d=0,
179 Float_t e=-9999,Float_t f=0) { };
180 virtual void DefaultRange() { };
181 virtual void Gdhead(Int_t, const char *c, Float_t a=0) { };
182 virtual void Gdman(Float_t a, Float_t b, const char *c) { };
183 virtual void SetColors() { };
184 virtual void Gtreve() { };
185 virtual void GtreveRoot() { };
186 virtual void Gckmat(Int_t, char*) { };
187 virtual void InitLego() { };
188 virtual void Gfpart(Int_t a, char *b, Int_t &c, Float_t &d,
189 Float_t &e, Float_t &g) { };
190 virtual void Gspart(Int_t a, const char *b, Int_t c, Float_t d,
191 Float_t e, Float_t g) { };
192
193 // Control Methods
194 virtual void Init() { };
195 virtual void FinishGeometry() { };
196 virtual void BuildPhysics() { };
197 virtual void ProcessEvent();
198 virtual void ProcessRun(Int_t nevent) { };
b39d9131 199 virtual AliMCGeomType GetMCGeomType() const { return kGeant3; }
16bf9884 200
201 // External Decayer
202 virtual void SetExternalDecayer(AliDecayer* decayer) { };
203 virtual AliDecayer *Decayer() const { return 0; };
204
205 protected:
206
207 enum {
208 kVolDrRg
209 , kVolAmRg
210 , kVolDrCh
211 };
212
213 Float_t fMaxStep; // Maximum step size
214 Int_t fNStep; // Number of steps
215 Int_t fTrack; // Track number
216 Double_t fTrackPx; // Track px
217 Double_t fTrackPy; // Track py
218 Double_t fTrackPz; // Track pz
219 Double_t fTrackPtot; // Track total momentum
220 Double_t fTrackEtot; // Track total energy
221 Double_t fTrackX; // Track x position
222 Double_t fTrackY; // Track y position
223 Double_t fTrackZ; // Track z position
224 Double_t fX0; // X position of the beginning of the chamber
225 Double_t fTrackStep; // Track step size
226 Int_t fTrackPid; // Track PID
227 Float_t fTrackCharge; // Track charge
228 Float_t fTrackMass; // Track particle mass
229 Bool_t fTrackEntering; // Track entering chamber
230
231 AliTRDv1 *fTRD; //! TRD detector object
232
233 ClassDef(AliTRDsimpleMC,1) // Simple TRD Monte Carlo class
234
235};
236#endif