3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ////////////////////////////////////////////////////////
9 // Manager and hits classes for set:TRD version 1 //
10 ////////////////////////////////////////////////////////
12 // Energy spectrum of the delta-rays
13 Double_t Ermilova(Double_t *x, Double_t *par);
14 Double_t IntSpecGeant(Double_t *x, Double_t *par);
23 //_____________________________________________________________________________
24 class AliTRDv1 : public AliTRD {
29 AliTRDv1(const char *name, const char *title);
30 AliTRDv1(const AliTRDv1 &trd);
32 AliTRDv1 &operator=(const AliTRDv1 &trd);
34 virtual void Copy(TObject &trd) const;
35 virtual void CreateGeometry();
36 virtual void CreateMaterials();
37 virtual void CreateTRhit(Int_t det);
38 virtual Int_t IsVersion() const { return 1; };
39 virtual void StepManager();
42 void StepManagerErmilova();
43 void StepManagerGeant();
44 void StepManagerFixedStep();
45 void SelectStepManager(Int_t t);
46 void SetStepSize(Double_t s) { fStepSize = s; };
48 void SetTR(Bool_t kTRUE) { fTRon = kTRUE; };
50 Bool_t GetTR() const { return fTRon; };
51 AliTRDsim *GetTRDsim() const { return fTR; };
55 void *StepManagerEntity();
57 Bool_t fTRon; // Switch for TR simulation
58 AliTRDsim *fTR; // TR simulator
60 Int_t fTypeOfStepManager; // Type of Step Manager.
61 Double_t fStepSize; // Used for the fixed step size
65 Double_t BetheBloch(Double_t bg);
66 Double_t BetheBlochGeant(Double_t bg);
69 TF1 *fDeltaE; // Energy distribution of the delta-electrons (Ermilova)
70 TF1 *fDeltaG; // Energy distribution of the
71 // Delta-electrons (GEANT) for StepManagerGeant
72 Float_t fTrackLength0; // Save the track length at chamber entrance
73 Int_t fPrimaryTrackPid; // Save the id of the primary track
75 ClassDef(AliTRDv1,5) // Transition Radiation Detector version 1 (slow simulator)