#ifndef ALITRDGEOMETRY_H #define ALITRDGEOMETRY_H /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ /* $Id$ */ #include "AliGeometry.h" class AliTRDgeometry : public AliGeometry { public: enum { kNplan = 6, kNcham = 5, kNsect = 18, kNdet = 540 }; AliTRDgeometry(); virtual ~AliTRDgeometry(); virtual void CreateGeometry(Int_t *idtmed); virtual Int_t IsVersion() const = 0; virtual void Init(); virtual Bool_t Local2Global(Int_t d, Float_t *local, Float_t *global) const; virtual Bool_t Local2Global(Int_t p, Int_t c, Int_t s, Float_t *local, Float_t *global) const; virtual Bool_t Rotate(Int_t d, Float_t *pos, Float_t *rot) const; virtual Bool_t RotateBack(Int_t d, Float_t *rot, Float_t *pos) const; static Int_t Nsect() { return fgkNsect; }; static Int_t Nplan() { return fgkNplan; }; static Int_t Ncham() { return fgkNcham; }; static Int_t Ndet() { return fgkNdet; }; static Float_t Rmin() { return fgkRmin; }; static Float_t Rmax() { return fgkRmax; }; static Float_t Zmax1() { return fgkZmax1; }; static Float_t Zmax2() { return fgkZmax2; }; static Float_t Cwidcha() { return (fgkSwidth2 - fgkSwidth1) / fgkSheight * (fgkCheight + fgkCspace); }; static Float_t Cheight() { return fgkCheight; }; static Float_t Cspace() { return fgkCspace; }; static Float_t MyThick() { return fgkMyThick; }; static Float_t DrThick() { return fgkDrThick; }; static Float_t RaThick() { return fgkRaThick; }; virtual void SetPHOShole() = 0; virtual void SetRICHhole() = 0; virtual void SetNRowPad(Int_t p, Int_t c, Int_t npad) {}; virtual void SetNColPad(Int_t npad); virtual void SetNTimeBin(Int_t nbin); virtual Bool_t GetPHOShole() const = 0; virtual Bool_t GetRICHhole() const = 0; virtual Int_t GetDetector(Int_t p, Int_t c, Int_t s) const; virtual Int_t GetPlane(Int_t d) const; virtual Int_t GetChamber(Int_t d) const; virtual Int_t GetSector(Int_t d) const; virtual Float_t GetChamberWidth(Int_t p) const { return fCwidth[p]; }; virtual Int_t GetRowMax(Int_t p, Int_t c, Int_t s) const { return fRowMax[p][c][s]; }; virtual Int_t GetColMax(Int_t p) const { return fColMax[p]; }; virtual Int_t GetTimeMax() const { return fTimeMax; }; virtual Float_t GetRow0(Int_t p, Int_t c, Int_t s) const { return fRow0[p][c][s]; }; virtual Float_t GetCol0(Int_t p) const { return fCol0[p]; }; virtual Float_t GetTime0(Int_t p) const { return fTime0[p]; }; virtual Float_t GetRowPadSize(Int_t p, Int_t c, Int_t s) const { return fRowPadSize[p][c][s]; }; virtual Float_t GetColPadSize(Int_t p) const { return fColPadSize[p]; }; virtual Float_t GetTimeBinSize() const { return fTimeBinSize; }; virtual void GetGlobal(const AliRecPoint *p, TVector3 &pos, TMatrix &mat) const; virtual void GetGlobal(const AliRecPoint *p, TVector3 &pos) const; static Double_t GetAlpha() { return 2 * 3.14159265358979323846 / fgkNsect; }; protected: static const Int_t fgkNsect; // Number of sectors in the full detector (18) static const Int_t fgkNplan; // Number of planes of the TRD (6) static const Int_t fgkNcham; // Number of chambers in z-direction (5) static const Int_t fgkNdet; // Total number of detectors (18 * 6 * 5 = 540) static const Float_t fgkRmin; // Minimal radius of the TRD static const Float_t fgkRmax; // Maximal radius of the TRD static const Float_t fgkZmax1; // Half-length of the TRD at outer radius static const Float_t fgkZmax2; // Half-length of the TRD at inner radius static const Float_t fgkSheight; // Height of the TRD-volume in spaceframe (BTR1-3) static const Float_t fgkSwidth1; // Lower width of the TRD-volume in spaceframe (BTR1-3) static const Float_t fgkSwidth2; // Upper width of the TRD-volume in spaceframe (BTR1-3) static const Float_t fgkSlenTR1; // Length of the TRD-volume in spaceframe (BTR1) static const Float_t fgkSlenTR2; // Length of the TRD-volume in spaceframe (BTR2) static const Float_t fgkSlenTR3; // Length of the TRD-volume in spaceframe (BTR3) static const Float_t fgkCheight; // Height of the chambers static const Float_t fgkCspace; // Vertical spacing of the chambers static const Float_t fgkCaframe; // Height of the aluminum frame static const Float_t fgkCcframe; // Height of the carbon frame static const Float_t fgkCathick; // Thickness of the aluminum frame static const Float_t fgkCcthick; // Thickness of the carbon frame static const Float_t fgkSeThick; // Thickness of the radiator seal static const Float_t fgkRaThick; // Thickness of the radiator static const Float_t fgkPeThick; // Thickness of the PE-layer in the radiator static const Float_t fgkMyThick; // Thickness of the mylar-layer static const Float_t fgkXeThick; // Thickness of the gas volume static const Float_t fgkDrThick; // Thickness of the drift region static const Float_t fgkAmThick; // Thickness of the amplification region static const Float_t fgkCuThick; // Thickness of the pad plane static const Float_t fgkSuThick; // Thickness of the HEXCEL+G10 support structure static const Float_t fgkFeThick; // Thickness of the FEE + signal lines static const Float_t fgkCoThick; // Thickness of the PE of the cooling device static const Float_t fgkWaThick; // Thickness of the cooling water static const Float_t fgkSeZpos; // Position of the radiator seal static const Float_t fgkRaZpos; // Position of the radiator static const Float_t fgkPeZpos; // Position of the PE-layer in the radiator static const Float_t fgkMyZpos; // Position of the mylar-layer static const Float_t fgkDrZpos; // Position of the drift region static const Float_t fgkAmZpos; // Position of the amplification region static const Float_t fgkCuZpos; // Position of the pad plane static const Float_t fgkSuZpos; // Position of the HEXCEL+G10 support structure static const Float_t fgkFeZpos; // Position of the FEE + signal lines static const Float_t fgkCoZpos; // Position of the PE of the cooling device static const Float_t fgkWaZpos; // Position of the colling water Int_t fRowMax[kNplan][kNcham][kNsect]; // Number of pad-rows Int_t fColMax[kNplan]; // Number of pad-columns Int_t fTimeMax; // Number of time buckets Float_t fCwidth[kNplan]; // Width of the chambers Float_t fRow0[kNplan][kNcham][kNsect]; // Row-position of pad 0 Float_t fCol0[kNplan]; // Column-position of pad 0 Float_t fTime0[kNplan]; // Time-position of pad 0 Float_t fRowPadSize[kNplan][kNcham][kNsect]; // Pad size in z-direction Float_t fColPadSize[kNplan]; // Pad size in rphi-direction Float_t fTimeBinSize; // Size of the time buckets Float_t fRotA11[kNsect]; // Matrix elements for the rotation Float_t fRotA12[kNsect]; // Matrix elements for the rotation Float_t fRotA21[kNsect]; // Matrix elements for the rotation Float_t fRotA22[kNsect]; // Matrix elements for the rotation Float_t fRotB11[kNsect]; // Matrix elements for the backward rotation Float_t fRotB12[kNsect]; // Matrix elements for the backward rotation Float_t fRotB21[kNsect]; // Matrix elements for the backward rotation Float_t fRotB22[kNsect]; // Matrix elements for the backward rotation ClassDef(AliTRDgeometry,3) // TRD geometry base class }; #endif