+++ /dev/null
-#ifndef ALIITSSEGMENTATIONSDD_H
-#define ALIITSSEGMENTATIONSDD_H
-
-
-#include "AliITSsegmentation.h"
-
-//////////////////////////////////////////////////////
-// Segmentation class for SDD //
-// //
-//////////////////////////////////////////////////////
-class AliITSsegmentationSDD :
-public AliITSsegmentation {
- public:
-
-
- AliITSsegmentationSDD(Option_t *opt="");
- AliITSsegmentationSDD(const AliITSsegmentationSDD &source);
- AliITSsegmentationSDD& operator=(const AliITSsegmentationSDD &source);
- virtual ~AliITSsegmentationSDD(){}
-
- // Set Detector Segmentation Parameters
- //
- // get the drift speed used for this segmentation
- virtual Float_t GetDriftSpeed()const{return fDriftSpeed;}
- // Set the drift speed needed for this segmentation
- virtual void SetDriftSpeed(Float_t ds){
- fDriftSpeed = ds;
- fSetDriftSpeed=kTRUE;
- }
- // Cell size dz*dx
- virtual void SetPadSize(Float_t pitch, Float_t clock)
- {fPitch=pitch;fTimeStep=1000./clock;}
-
- // Maximum number of cells along the two coordinates z,x (anodes,samples)
- virtual void SetNPads(Int_t p1, Int_t p2)
- {fNanodes=2*p1;fNsamples=p2;}
- // Returns the maximum number of cells (digits) posible
- virtual Int_t GetNPads() const {return fNanodes*fNsamples;}
-
- // Transform from real local to cell coordinates
- virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &ix,Int_t &iz) const;
- // Transform from cell to real local coordinates
- virtual void GetPadCxz(Int_t ix,Int_t iz,Float_t &x ,Float_t &z ) const;
-
- // Get anode and time bucket as floats - numbering from 0
- virtual void GetPadTxz(Float_t &x ,Float_t &z) const;
- // Transformation from Geant cm detector center local coordinates
- // to detector segmentation/cell coordiantes starting from (0,0).
- virtual Bool_t LocalToDet(Float_t x,Float_t z,Int_t &ix,Int_t &iz) const;
- // Transformation from detector segmentation/cell coordiantes starting
- // from (0,0) to Geant cm detector center local coordinates.
- virtual void DetToLocal(Int_t ix,Int_t iz,Float_t &x,Float_t &z) const;
- //
- virtual Float_t GetAnodeFromLocal(Float_t x,Float_t z) const;
- virtual Int_t GetSideFromLocalX(Float_t xloc) const {
- if(xloc>0) return 0; // left side (channel 0) positive xloc
- else return 1; // right side (channel 1) negative xloc
- }
- virtual Float_t GetLocalZFromAnode(Int_t nAnode) const;
- virtual Float_t GetLocalZFromAnode(Float_t zAnode) const;
- virtual Float_t GetDriftTimeFromTb(Int_t tb) const {
- Float_t xtb=(Float_t)tb+0.5;
- return GetDriftTimeFromTb(xtb);
- }
- virtual Float_t GetDriftTimeFromTb(Float_t xtb) const {
- return xtb*fTimeStep;
- }
- virtual Int_t GetNumberOfChips() const {
- return fgkNchipsPerHybrid;
- }
- virtual Int_t GetMaximumChipIndex() const{
- return fgkNchipsPerHybrid*2-1;
- }
- virtual Int_t GetChipFromLocal(Float_t xloc, Float_t zloc) const;
- virtual Int_t GetChipsInLocalWindow(Int_t* array, Float_t zmin, Float_t zmax, Float_t xmin, Float_t xmax) const;
-
-
- virtual Int_t GetChipFromChannel(Int_t ix, Int_t iz) const;
-
- // Initialisation
- virtual void Init();
-
- //
- // Get member data
- //
- // Cell size in x
- virtual Float_t Dpx(Int_t) const {return fTimeStep;}
- // Cell size in z
- virtual Float_t Dpz(Int_t) const {return fPitch;}
-
- // Maximum number of samples in x
- virtual Int_t Npx() const {return fNsamples;}
- // Maximum number of anodes in z
- virtual Int_t Npz() const {return fNanodes;}
- // Maximum number of anodes in z
- virtual Int_t NpzHalf() const {return fNanodes/2;}
-
- //
- // Get next neighbours
- virtual void Neighbours(Int_t iX,Int_t iZ,Int_t* Nlist,Int_t Xlist[10],
- Int_t Zlist[10]) const;
-
- // Current integration limits
- virtual void IntegrationLimits(Float_t&,Float_t&,Float_t&,Float_t&) {}
- // Print Parameters
- virtual void Print(Option_t *opt="") const;
-// Print default parameters (static const data members, if any)
- virtual void PrintDefaultParameters() const;
-
- static Int_t GetNAnodesPerHybrid() { return fgkHalfNanodesDefault;}
- protected:
-
- virtual void Copy(TObject &obj) const;
-
- Int_t fNsamples; // Number of time samples in x
- Int_t fNanodes; // Summed # of anodes in the two det halves (z)
- Float_t fPitch; // Anode pitch - microns
- Float_t fTimeStep; // Sampling time - ns
- Float_t fDriftSpeed; // Drift speed
- Bool_t fSetDriftSpeed; // flag for usage of drift speed
- static const Float_t fgkDxDefault; // Default value for fDx
- static const Float_t fgkDzDefault; // Default value for fDz
- static const Float_t fgkDyDefault; // Default value for fDy
- static const Float_t fgkPitchDefault; //Default value for fPitch
- static const Float_t fgkClockDefault; //Default value for the clock freq.
- static const Int_t fgkHalfNanodesDefault; //Default value for fNanodes/2
- static const Int_t fgkNsamplesDefault; //Default value for fNsamples
- static const Int_t fgkNchipsPerHybrid; //number of chips per hybrid
- static const Int_t fgkNanodesPerChip; //number of chips per hybrid
- static const Float_t fgkCm2Micron; // conversion from cm to micron
- static const Float_t fgkMicron2Cm; // conversion from micron to cm
- ClassDef(AliITSsegmentationSDD,6) // SDD segmentation
-};
-
-#endif