#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 TGeoMatrix; class AliTOFGeometry: public TObject{ public: AliTOFGeometry(); virtual ~AliTOFGeometry(); static Int_t NStripA() { return kNStripA;}; static Int_t NStripB() { return kNStripB;}; static Int_t NStripC() { return kNStripC;}; 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;}; static Int_t NStripXSector() { return (kNStripA + 2*kNStripB + 2*kNStripC);}; static Int_t NPadXSector() { return (kNStripA + 2*kNStripB + 2*kNStripC)*kNpadX*kNpadZ;}; static Float_t RinTOF() { return fgkxTOF;}; static Float_t Rmin() { return fgkRmin;}; static Float_t Rmax() { return fgkRmax;}; 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;}; static Float_t ZlenA() { return fgkZlenA;}; static Float_t ZlenB() { return fgkZlenB;}; static Float_t ZlenC() { return fgkZlenC;}; static Float_t MaxhZtof() { return fgkMaxhZtof;}; 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 ImportGeometry(); virtual void SetHoles(Bool_t holes) {fHoles = holes;}; virtual Bool_t GetHoles() const {return fHoles;}; virtual Float_t DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d=0) const; virtual Bool_t IsInsideThePadPar(Int_t *det, Float_t *pos) const; virtual Bool_t IsInsideThePad(TGeoHMatrix mat, Float_t *pos, Float_t *dist3d=0) const; 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; virtual Int_t GetStrip(Float_t *pos) const; virtual Int_t GetSector(Float_t *pos) const; virtual Int_t GetPadX(Float_t *pos) const; virtual Int_t GetPadZ(Float_t *pos) const; virtual Float_t GetX(Int_t *det) const ; virtual Float_t GetY(Int_t *det) const ; virtual Float_t GetZ(Int_t *det) const ; 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); virtual Float_t GetPadDx(Float_t *pos); virtual Float_t GetPadDy(Float_t *pos); virtual Float_t GetPadDz(Float_t *pos); virtual void Translation(Float_t *xyz, Float_t translationVector[3]) const; virtual void Rotation(Float_t *xyz, Double_t rotationAngles[6]) const; virtual void InverseRotation(Float_t *xyz, Double_t rotationAngles[6]) const; static Float_t GetAngles(Int_t iplate, Int_t istrip) {return fgkAngles[iplate][istrip];}; static Float_t GetHeights(Int_t iplate, Int_t istrip) {return fgkHeights[iplate][istrip];}; static Float_t GetDistances(Int_t iplate, Int_t istrip) {return fgkDistances[iplate][istrip];}; static Int_t GetIndex(Int_t *detId); // Get channel index from det Id (for calibration mainly) private: enum { kNStripA = 15, // number of strips in A type module kNStripB = 19, // number of strips in B type module kNStripC = 19, // number of strips in C 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) static const Float_t fgkZlenA; // length (cm) of the A module static const Float_t fgkZlenB; // length (cm) of the B module static const Float_t fgkZlenC; // length (cm) of the C module static const Float_t fgkMaxhZtof; // Max half z-size of TOF (cm) static const Float_t fgkRmin; // Inner radius of the TOF (cm) static const Float_t fgkRmax; // Outer radius of the TOF (cm) static const Float_t fgkxTOF; // 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 static const Float_t fgkPhiSec; //sector Phi width (deg) Bool_t fHoles; //logical for geometry version (w/wo holes) static const Float_t fgkAngles[kNPlates][kMaxNstrip]; //Strip Tilt Angles static const Float_t fgkHeights[kNPlates][kMaxNstrip]; //Strip heights static const Float_t fgkDistances[kNPlates][kMaxNstrip];//Strip distances static const Float_t fgkTdcBin; // time-of-flight bin width [ps] static const Float_t fgkToTBin; // time-over-threshold bin width [ps] ClassDef(AliTOFGeometry,5) // TOF Geometry base class }; #endif