4 // Geant4 implementation of the MonteCarlo interface
10 #include "AliMCProcess.h"
14 class TG4VRunConfiguration;
15 class TG4GeometryManager;
16 class TG4PhysicsManager;
24 class TGeant4: public AliMC
27 TGeant4(const char* name, const char* title,
28 TG4VRunConfiguration* configuration, int argc, char** argv);
29 TGeant4(const char* name, const char* title,
30 TG4VRunConfiguration* configuration);
33 // TGeant4(const TGeant4& right);
37 // methods for building/management of geometry
38 // ------------------------------------------------
41 // functions from GBASE
42 virtual void FinishGeometry();
45 // functions from GCONS
46 virtual void Gfmate(Int_t imat, char *name, Float_t &a, Float_t &z,
47 Float_t &dens, Float_t &radl, Float_t &absl,
48 Float_t* ubuf, Int_t& nbuf);
50 // detector composition
51 virtual void Material(Int_t& kmat, const char* name, Float_t a,
52 Float_t z, Float_t dens, Float_t radl, Float_t absl,
53 Float_t* buf, Int_t nwbuf);
54 virtual void Mixture(Int_t& kmat, const char *name, Float_t *a,
55 Float_t *z, Float_t dens, Int_t nlmat, Float_t *wmat);
56 virtual void Medium(Int_t& kmed, const char *name, Int_t nmat,
57 Int_t isvol, Int_t ifield, Float_t fieldm, Float_t tmaxfd,
58 Float_t stemax, Float_t deemax, Float_t epsil,
59 Float_t stmin, Float_t* ubuf, Int_t nbuf);
60 virtual void Matrix(Int_t& krot, Float_t thetaX, Float_t phiX,
61 Float_t thetaY, Float_t phiY, Float_t thetaZ,
63 virtual void Gstpar(Int_t itmed, const char *param, Float_t parval);
64 virtual void SetCerenkov(Int_t itmed, Int_t npckov, Float_t *ppckov,
65 Float_t *absco, Float_t *effic, Float_t *rindex);
67 // functions from GGEOM
68 virtual Int_t Gsvolu(const char *name, const char *shape, Int_t nmed,
69 Float_t *upar, Int_t np);
70 virtual void Gsdvn(const char *name, const char *mother, Int_t ndiv,
72 virtual void Gsdvn2(const char *name, const char *mother, Int_t ndiv,
73 Int_t iaxis, Float_t c0i, Int_t numed);
74 virtual void Gsdvt(const char *name, const char *mother, Float_t step,
75 Int_t iaxis, Int_t numed, Int_t ndvmx);
76 virtual void Gsdvt2(const char *name, const char *mother, Float_t step,
77 Int_t iaxis, Float_t c0, Int_t numed, Int_t ndvmx);
78 virtual void Gsord(const char *name, Int_t iax);
79 virtual void Gspos(const char *name, Int_t nr, const char *mother,
80 Float_t x, Float_t y, Float_t z, Int_t irot,
82 virtual void Gsposp(const char *name, Int_t nr, const char *mother,
83 Float_t x, Float_t y, Float_t z, Int_t irot,
84 const char *konly, Float_t *upar, Int_t np);
87 virtual void WriteEuclid(const char* fileName, const char* topVol,
88 Int_t number, Int_t nlevel);
91 virtual Int_t VolId(const Text_t* volName) const;
92 virtual const char* VolName(Int_t id) const;
93 virtual Int_t NofVolumes() const;
94 virtual Int_t VolId2Mate(Int_t id) const;
97 // methods for physics management
98 // ------------------------------------------------
101 virtual void BuildPhysics();
104 virtual void SetCut(const char* cutName, Float_t cutValue);
105 virtual void SetProcess(const char* flagName, Int_t flagValue);
106 virtual Float_t Xsec(char* reac, Float_t energy, Int_t part, Int_t mate);
107 virtual void SetExternalDecayer(AliDecayer* decayer); //NEW
110 virtual AliDecayer* Decayer() const; //NEW
112 // particle table usage
113 virtual Int_t IdFromPDG(Int_t pdgID) const;
114 virtual Int_t PDGFromId(Int_t mcID) const;
115 virtual void DefineParticles();
118 // methods for step management
119 // ------------------------------------------------
123 virtual void StopTrack();
124 virtual void StopEvent();
127 virtual void SetMaxStep(Float_t);
128 virtual void SetMaxNStep(Int_t);
129 virtual void SetUserDecay(Int_t); //NEW
132 // tracking volume(s)
133 virtual Int_t CurrentVolID(Int_t& copyNo) const;
134 virtual Int_t CurrentVolOffID(Int_t off, Int_t& copyNo) const;
135 virtual const char* CurrentVolName() const;
136 virtual const char* CurrentVolOffName(Int_t off) const;
137 virtual Int_t CurrentMaterial(Float_t &a, Float_t &z,
138 Float_t &dens, Float_t &radl, Float_t &absl) const;
139 virtual void Gmtod(Float_t* xm, Float_t* xd, Int_t iflag);
140 virtual void Gdtom(Float_t* xd, Float_t* xm, Int_t iflag);
141 virtual Float_t MaxStep() const;
142 virtual Int_t GetMaxNStep() const;
143 virtual Int_t GetMedium() const;
146 // dynamic properties
147 virtual void TrackPosition(TLorentzVector& position) const;
148 virtual void TrackMomentum(TLorentzVector& momentum) const;
149 virtual void TrackVertexPosition(TLorentzVector& position) const;
150 virtual void TrackVertexMomentum(TLorentzVector& momentum) const;
151 virtual Float_t TrackStep() const;
152 virtual Float_t TrackLength() const;
153 virtual Float_t TrackTime() const;
154 virtual Float_t Edep() const;
156 virtual Int_t TrackPid() const;
157 virtual Float_t TrackCharge() const;
158 virtual Float_t TrackMass() const;
159 virtual Float_t Etot() const;
162 virtual Bool_t IsTrackInside() const;
163 virtual Bool_t IsTrackEntering() const;
164 virtual Bool_t IsTrackExiting() const;
165 virtual Bool_t IsTrackOut() const;
166 virtual Bool_t IsTrackDisappeared() const;
167 virtual Bool_t IsTrackStop() const;
168 virtual Bool_t IsTrackAlive() const;
169 virtual Bool_t IsNewTrack() const;
172 virtual Int_t NSecondaries() const;
173 virtual void GetSecondary(Int_t isec, Int_t& particleId,
174 TLorentzVector& position, TLorentzVector& momentum);
175 virtual AliMCProcess ProdProcess(Int_t isec) const;
176 virtual Int_t StepProcesses(TArrayI &proc) const;
179 // methods for visualization
180 // ------------------------------------------------
182 // functions for drawing
183 virtual void DrawOneSpec(const char* name);
184 virtual void Gsatt(const char* name, const char* att, Int_t val);
185 virtual void Gdraw(const char* name, Float_t theta, Float_t phi,
186 Float_t psi, Float_t u0, Float_t v0,
187 Float_t ul, Float_t vl);
191 // Geant3 specific methods
192 // !!! need to be transformed to common interface
194 virtual void Gdopt(const char* name , const char* value);
195 virtual void SetClipBox(const char *name, Float_t xmin, Float_t xmax,
196 Float_t ymin, Float_t ymax, Float_t zmin, Float_t zmax);
197 virtual void DefaultRange();
198 virtual void Gdhead(Int_t isel, const char* name, Float_t chrsiz);
199 virtual void Gdman(Float_t u, Float_t v, const char* type);
200 virtual void SetColors();
201 virtual void Gtreve();
202 virtual void GtreveRoot();
203 virtual void Gckmat(Int_t itmed, char* natmed);
204 virtual void InitLego();
205 virtual void Gfpart(Int_t ipart, char *name, Int_t& itrtyp,
206 Float_t& amass, Float_t& charge, Float_t& tlife);
207 virtual void Gspart(Int_t ipart, const char *name, Int_t itrtyp,
208 Float_t amass, Float_t charge, Float_t tlife);
211 // methods for run control
212 // ------------------------------------------------
216 virtual void ProcessEvent();
217 virtual void ProcessRun(Int_t nofEvents);
219 // UI control methods
222 void ProcessGeantMacro(const char* macroName);
223 void ProcessGeantCommand(const char* commandPath);
226 virtual Int_t CurrentEvent() const;
230 TGeant4(const TGeant4& right);
233 TGeant4& operator=(const TGeant4& right);
237 TG4GeometryManager* fGeometryManager; //geometry manager
238 TG4PhysicsManager* fPhysicsManager; //physics manager
239 TG4StepManager* fStepManager; //step manager
240 TG4VisManager* fVisManager; //visualization manager
241 TG4RunManager* fRunManager; //run manager
242 TG4Messenger* fMessenger; //messenger
248 #include "TGeant4.icc"