#ifndef ALITOFGEOMETRY_H #define ALITOFGEOMETRY_H /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ /* $Id$ */ /////////////////////////////////////////////////////////////////////////////// // // // TOF geometry class // // // /////////////////////////////////////////////////////////////////////////////// #include "TGeoMatrix.h" #include "TObject.h" class AliTOFGeometry: public TObject{ public: AliTOFGeometry(); virtual ~AliTOFGeometry(); static Int_t NStripA() { return kNStripA;}; static Int_t NStripB() { return kNStripB;}; virtual Int_t NStripC() const { return fNStripC;}; static Int_t NMaxNstrip() { return kMaxNstrip;}; static Int_t NpadX() { return kNpadX;}; static Int_t NpadZ() { return kNpadZ;}; static Int_t NpadXStrip() { return kNpadX*kNpadZ;}; static Int_t NSectors() { return kNSectors;}; static Int_t NPlates() { return kNPlates;}; virtual Int_t NStripXSector() const { return (kNStripA + 2*kNStripB + 2*fNStripC);}; virtual Int_t NPadXSector() const { return (kNStripA + 2*kNStripB + 2*fNStripC)*kNpadX*kNpadZ;}; virtual Float_t RinTOF() const { return fxTOF;}; virtual Float_t Rmin() const { return fRmin;}; virtual Float_t Rmax() const { return fRmax;}; static Float_t XPad() { return fgkXPad;}; static Float_t ZPad() { return fgkZPad;}; static Float_t StripLength() { return fgkStripLength;}; static Int_t TimeDiff() { return fgkTimeDiff;}; static Int_t MaxTOFTree() { return kMaxTOFTree;}; static Int_t NDDL() { return kNDDL;}; static Int_t NTRM() { return kNTRM;} static Int_t NTdc() { return kNTdc;}; static Int_t NChain() { return kNChain;}; static Int_t NCh() { return kNCh;}; static Int_t NPadXTRM() { return kNCh*kNTdc*kNChain;}; virtual Float_t ZlenA() const { return fZlenA;}; virtual Float_t ZlenB() const { return fZlenB;}; virtual Float_t ZlenC() const { return fZlenC;}; virtual Float_t MaxhZtof() const { return fMaxhZtof;}; static Float_t SigmaForTail1() { return fgkSigmaForTail1;}; static Float_t SigmaForTail2() { return fgkSigmaForTail2;}; static Double_t GetAlpha() { return 2 * 3.14159265358979323846 / kNSectors; }; static Float_t TdcBinWidth() {return fgkTdcBin;}; static Float_t ToTBinWidth() {return fgkToTBin;}; virtual void Init(); virtual void ImportGeometry() {}; virtual void SetHoles(Bool_t holes) {fHoles = holes;}; virtual Bool_t GetHoles() const {return fHoles;}; virtual Bool_t IsInsideThePadPar(Int_t */*det*/, Float_t */*pos*/) const {return kFALSE;}; virtual Float_t DistanceToPadPar(Int_t */*det*/, Float_t */*pos*/, Float_t *dist3d=0) const {return dist3d[0];}; virtual Bool_t IsInsideThePad(TGeoHMatrix /*mat*/, Float_t */*pos*/, Float_t *dist3d=0) const {dist3d[0]=0;return kFALSE;}; virtual void GetVolumePath(Int_t */*ind*/, Char_t */*path*/ ){}; virtual void GetVolumePath(Int_t /*sector*/, Char_t */*path*/ ){}; virtual void GetVolumePath(Int_t /*sector*/, Int_t /*plate*/, Int_t /*strip*/, Char_t */*path*/ ){}; virtual void GetPos(Int_t */*det*/,Float_t */*pos*/){}; virtual void GetPosPar(Int_t *det,Float_t *pos) const; virtual void GetDetID(Float_t *pos,Int_t *det) const; virtual Int_t GetPlate(Float_t */*pos*/) const {return -1;}; virtual Int_t GetStrip(Float_t */*pos*/) const {return -1;}; virtual Int_t GetSector(Float_t */*pos*/) const {return -1;}; virtual Int_t GetPadX(Float_t */*pos*/) const {return -1;}; virtual Int_t GetPadZ(Float_t */*pos*/) const {return -1;}; virtual Float_t GetX(Int_t */*det*/) const {return -500.;}; virtual Float_t GetY(Int_t */*det*/) const {return -500.;}; virtual Float_t GetZ(Int_t */*det*/) const {return -500.;}; virtual void DetToStripRF(Int_t nPadX, Int_t nPadZ, Float_t &x, Float_t &z) const; virtual void DetToSectorRF(Int_t /*vol*/[5], Double_t ** /*coord*/) { }; Float_t GetAngles(Int_t iplate, Int_t istrip) const {return fAngles[iplate][istrip];}; Float_t GetHeights(Int_t iplate, Int_t istrip) const {return fHeights[iplate][istrip];}; Float_t GetDistances(Int_t iplate, Int_t istrip) const {return fDistances[iplate][istrip];}; //private: protected: enum { kNStripA = 15, // number of strips in A type module kNStripB = 19, // number of strips in B type module kNpadX = 48, // Number of pads along X kNpadZ = 2, // Number of pads along Z kNSectors = 18, // Number of Sectors kNPlates = 5, // Number of Plates kMaxTOFTree = 5, // numer of geom. levels: kMaxNstrip = 20 // Max. number of strips }; // DAQ characteristics // cfr. TOF-TDR pag. 105 for Glossary // TARODA : TOF-ALICE Read Out and Data Acquisition system enum { kNDDL = 4, // Number of DDL (Detector Data Link) per sector kNTRM = 12, // Number of TRM ( Readout Module) per DDL kNTdc = 15, // Number of Tdc (Time to Digital Converter) per TRM kNChain = 2, // Number of chains per TRM kNCh = 8 // Number of channels per Tdc }; static const Int_t fgkTimeDiff; // Min signal separation (ps) mutable Int_t fNStripC; // number of strips in C type module mutable Float_t fZlenA; // length (cm) of the A module mutable Float_t fZlenB; // length (cm) of the B module mutable Float_t fZlenC; // length (cm) of the C module mutable Float_t fMaxhZtof; // Max half z-size of TOF (cm) mutable Float_t fRmin; // Inner radius of the TOF (cm) mutable Float_t fRmax; // Outer radius of the TOF (cm) mutable Float_t fxTOF; // Inner TOF Radius used in Reconstruction (cm) static const Float_t fgkStripLength; // Strip Length (rho X phi direction) (cm) static const Float_t fgkXPad; // Pad size in the x direction (cm) static const Float_t fgkZPad; // Pad size in the z direction (cm) static const Float_t fgkSigmaForTail1;//Sig1 for simulation of TDC tails static const Float_t fgkSigmaForTail2;//Sig2 for simulation of TDC tails Bool_t fHoles; //logical for geometry version (w/wo holes) Float_t fAngles[kNPlates][kMaxNstrip]; //Strip Tilt Angles Float_t fHeights[kNPlates][kMaxNstrip]; //Strip heights Float_t fDistances[kNPlates][kMaxNstrip];//Strip distances Float_t fPhiSec; //sector Phi width (deg) static const Float_t fgkTdcBin; // time-of-flight bin width [ps] static const Float_t fgkToTBin; // time-over-threshold bin width [ps] ClassDef(AliTOFGeometry,4) // TOF Geometry base class }; #endif