-#ifndef TRD_H
-#define TRD_H
-////////////////////////////////////////////////
-// Manager and hits classes for set:TRD //
-////////////////////////////////////////////////
-
+#ifndef ALITRD_H
+#define ALITRD_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+/* $Id$ */
+
+////////////////////////////////////////////////////////////////////////////
+// //
+// Manager and hits classes for set: TRD //
+// //
+////////////////////////////////////////////////////////////////////////////
+
+
#include "AliDetector.h"
-#include "AliHit.h"
-
+#include "AliTRDTrigger.h"
+
+class AliRawReader;
+
+class AliTRDgeometry;
+class AliTriggerDetector;
+
class AliTRD : public AliDetector {
-
-public:
+
+ public:
+
AliTRD();
AliTRD(const char *name, const char *title);
- virtual ~AliTRD() {}
- virtual void AddHit(Int_t, Int_t*, Float_t*);
- virtual void BuildGeometry();
- virtual void CreateGeometry() {}
- virtual void CreateMaterials();
- Int_t DistancetoPrimitive(Int_t px, Int_t py);
- virtual void Init();
- virtual Int_t IsVersion() const =0;
- virtual void StepManager()=0;
- virtual void DrawModule() {}
-
- ClassDef(AliTRD,1) // Transition Radiation Detector base class
-};
+ virtual ~AliTRD();
+
+ virtual void Init();
+ virtual Int_t IsVersion() const = 0;
+ virtual void ResetDigits();
+
+ virtual void CreateGeometry();
+ virtual void CreateMaterials();
+
+ virtual void Hits2Digits();
+ virtual void Hits2SDigits();
+ virtual void SDigits2Digits();
+ virtual void Digits2Raw();
+ virtual Bool_t Raw2SDigits(AliRawReader* rawReader);
+
+ virtual void AddHit(Int_t, Int_t*, Float_t*) { };
+ virtual void AddHit(Int_t track, Int_t det, Float_t *hits
+ , Int_t q, Float_t time, Bool_t inDrift);
+
+ virtual void SetTreeAddress();
+
+ virtual void StepManager() = 0;
+
+ virtual void SetStepSize(Double_t s) = 0;
+ virtual void SetHits() { };
+ virtual void SetTR(Bool_t ) = 0;
+
+ virtual Bool_t GetTR() const = 0;
+
+ AliTRDgeometry *GetGeometry() const { return fGeometry; };
+ virtual AliDigitizer *CreateDigitizer(AliRunDigitizer *manager) const;
+ virtual AliLoader *MakeLoader(const char* topfoldername);
+ virtual AliTriggerDetector *CreateTriggerDetector() const { return new AliTRDTrigger(); }
+ void SetPrimaryIonisation(Bool_t flag = kTRUE) {fPrimaryIonisation = flag;}
+ protected:
+
+ AliTRDgeometry *fGeometry; // The TRD geometry
+
+ Float_t fGasDensity; // The density of the drift gas
+ Float_t fFoilDensity; // The density of the entrance window foil
+ Float_t fGasNobleFraction; // The fraction of noble gas in the mixture
+ Bool_t fPrimaryIonisation; // switch between Fluka(true) and geant3(false)
+ private:
+
+ AliTRD(const AliTRD &trd);
+ AliTRD &operator=(const AliTRD &trd);
+
+ ClassDef(AliTRD,12) // Transition Radiation Detector base class
-const Int_t nsect = 18; //Number of sectors in the full detector
-const Int_t nmodul = 6; //Number of modules in each sector
-const Float_t rmin = 281; //r-Coordinates of the TRD-frame
-const Float_t rmax = 350.282;
-const Float_t zmax1 = 351.2; //z-Coordinates of the TRD-frame
-const Float_t zmax2 = 292.35;
-const Float_t alframe = 1.0; //Thickness of the aluminium of the support frame
-const Float_t alfram1 = 1.0;
-const Float_t alfram2 = 0.5;
-const Float_t inframe = 3.0; //Thickness of the interior of the support frame
-const Float_t ccframe = 1.0; //Thickness of the carbon chamber frame
-const Float_t pethick = 0.15; //Thickness of the PE-layer in the radiator
-const Float_t pezpos = 0.; //z-position of the PE-layer in the radiator
-const Float_t rathick = 6.23; //Thickness of the radiator
-const Float_t razpos = -2.6585; //z-position of the radiator
-const Float_t mythick = 0.005; //Thickness of the mylar-layer
-const Float_t myzpos = 0.459; //z-position of the mylar-layer
-const Float_t xethick = 3.6; //Thickness of the Xe/C02-layer
-const Float_t xezpos = 2.2615; //z-position of the Xe/C02-layer
-const Float_t cuthick = 0.002; //Thickness of the Cu-layer (Pads)
-const Float_t cuzpos = 4.0625; //z-position of the Cu-layer (Pads)
-const Float_t kathick = 0.01; //Thickness of the kapton-layer
-const Float_t kazpos = 4.0695; //z-position of the kapton-layer
-const Float_t nothick = 0.05; //Thickness of the NOMEX-layer
-const Float_t nozpos = 4.8235; //z-position of the NOMEX-layer
-const Float_t rothick = 0.018; //Thickness of the readout-layer
-const Float_t rozpos = 5.2; //z-position of the readout-layer
-
-
-//_____________________________________________________________________________
-class AliTRDhit : public AliHit {
-
-public:
- Int_t fSector; // TRD sector number
- Int_t fChamber; // TRD chamber number
- Int_t fPlane; // TRD plane number
- Float_t fQ; // Charge created by a hit (geometry 2)
-
-public:
- AliTRDhit() {}
- AliTRDhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits);
- virtual ~AliTRDhit() {}
-
- ClassDef(AliTRDhit,1) // Hits for Transition Radiation Detector
};
#endif