#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 NStrip(Int_t nPlate); 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 Float_t DeadTime() { return fgkDeadTime;}; static Float_t MatchingWindow() { return fgkMatchingWindow;}; 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;}; static Float_t BunchCrossingBinWidth() {return fgkBunchCrossingBin;}; static Float_t SlewTOTMin() {return fgkSlewTOTMin;}; static Float_t SlewTOTMax() {return fgkSlewTOTMax;}; virtual void ImportGeometry(); virtual void SetHoles(Bool_t holes) {fgHoles = holes;}; static Bool_t GetHoles() {return fgHoles;}; static Float_t DistanceToPadPar(Int_t *det, const Float_t * pos, Float_t *dist3d=0); static Bool_t IsInsideThePadPar(Int_t *det, const Float_t * pos); static Bool_t IsInsideThePad(TGeoHMatrix *mat, const Float_t * pos, Float_t *dist3d=0); static void GetVolumePath(const Int_t * ind, Char_t *path ); static void GetVolumePath(Int_t sector, Char_t *path ); static void GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path ); static void GetPos(Int_t *det,Float_t *pos); static void GetPosPar(Int_t *det,Float_t *pos); static void GetDetID(Float_t *pos,Int_t *det); static Int_t GetPlate(const Float_t * pos); static Int_t GetStrip(const Float_t * pos); static Int_t GetSector(const Float_t * pos); static Int_t GetPadX(const Float_t * pos); static Int_t GetPadZ(const Float_t * pos); static Float_t GetX(const Int_t * det); static Float_t GetY(const Int_t * det); static Float_t GetZ(const Int_t * det); 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[4][3]); static Float_t GetPadDx(const Float_t * pos); static Float_t GetPadDy(const Float_t * pos); static Float_t GetPadDz(const Float_t * pos); static void Translation(Float_t *xyz, Float_t translationVector[3]); static void Rotation(Float_t *xyz, Double_t rotationAngles[6]); static void InverseRotation(Float_t *xyz, Double_t rotationAngles[6]); 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(const Int_t * detId); // Get channel index from det Id (for calibration mainly) static void GetVolumeIndices(Int_t index, Int_t *detId); // Get volume index from channel index static UShort_t GetAliSensVolIndex(Int_t sec, Int_t pla, Int_t str); // Get the index of the TOF alignable volume in the AliGeomManager order static Int_t GetStripNumber(Int_t isector, Int_t iplate, Int_t istrip); // Get the serial number of the TOF alignable volume, i.e. the TOF strip static Int_t GetStripNumberPerSM(Int_t iplate, Int_t istrip); // Get the serial number of the TOF strip in a TOF SM static void GetStripAndModule(Int_t iStripPerSM, Int_t &iplate, Int_t &istrip); // Return the module and strip per module corresponding to the strip number per SM void PadRF2TrackingRF(Float_t *ctrackPos, Float_t *differenceT); // Convert the track coordinates from pad RF to tracking RF static Int_t GetTOFsupermodule(Int_t index); // Return the TOF supermodule where TOF channel index is located 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 Float_t fgkDeadTime; // Single channel dead time (ps) static const Float_t fgkMatchingWindow; // Matching window (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) static Bool_t fgHoles; //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] static const Float_t fgkBunchCrossingBin; // bunch-crossing bin width [ps] static const Float_t fgkSlewTOTMin; // min TOT for slewing correction [ns] static const Float_t fgkSlewTOTMax; // max TOT for slewing correction [ns] ClassDef(AliTOFGeometry,9) // TOF Geometry base class }; #endif