#ifndef RICH_H
#define RICH_H
+
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
/* $Id$ */
+
////////////////////////////////////////////////
// Manager and hits classes for set:RICH //
////////////////////////////////////////////////
#include "AliDetector.h"
-#include "AliHit.h"
#include "AliRICHConst.h"
-#include "AliDigit.h"
+#include "AliRICHSegRes.h"
+#include "DataStructures.h"
+#include "AliRICHChamber.h"
+#include "AliRICHSegRes.h"
#include <TVector.h>
+#include <TArrayF.h>
#include <TObjArray.h>
#include <TFile.h>
#include <TTree.h>
-#include <TRotMatrix.h>
+#include <TParticle.h>
static const int NCH=7;
-typedef enum {mip, cerenkov} Response_t;
-
-class AliRICHcluster;
-class AliRICHchamber;
-class AliRICHRecCluster;
-class AliRICHCerenkov;
-
-//----------------------------------------------
-//----------------------------------------------
-//
-// Chamber segmentation virtual base class
-//
-class AliRICHsegmentation :
-public TObject {
-
- public:
-
- // Set Chamber Segmentation Parameters
- virtual void SetPADSIZ(Float_t p1, Float_t p2) =0;
- virtual void SetDAnod(Float_t D) =0;
- // Transform from pad (wire) to real coordinates and vice versa
- virtual Float_t GetAnod(Float_t xhit) =0;
- virtual void GetPadIxy(Float_t x ,Float_t y ,Int_t &ix,Int_t &iy)=0;
- virtual void GetPadCxy(Int_t ix,Int_t iy,Float_t &x ,Float_t &y )=0;
- //
- // Initialisation
- virtual void Init(AliRICHchamber*) =0;
- //
- // Get member data
- virtual Float_t Dpx() =0;
- virtual Float_t Dpy() =0;
- virtual Int_t Npx() =0;
- virtual Int_t Npy() =0;
- //
- // Iterate over pads
- virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t dx, Float_t dy) =0;
- virtual void NextPad()=0;
- virtual Int_t MorePads() =0;
- // Get next neighbours
- virtual void Neighbours
- (Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]) =0;
- // Provisory RecCluster coordinates reconstructor
- virtual void FitXY(AliRICHRecCluster* Cluster,TClonesArray* RICHdigits) =0;
- //
- // Current pad cursor during disintegration
- virtual Int_t Ix() =0;
- virtual Int_t Iy() =0;
- virtual Int_t ISector() =0;
- //
- // Signal Generation Condition during Stepping
- virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z) = 0;
- virtual void SigGenInit(Float_t x, Float_t y, Float_t z) = 0;
- virtual void IntegrationLimits
- (Float_t& x1, Float_t& x2, Float_t& y1, Float_t& y2) = 0;
- //
- // Identification
- virtual char* YourName() =0;
- ClassDef(AliRICHsegmentation,1)
- };
-//----------------------------------------------
-//
-// Chamber response virtual base class
-//
-class AliRICHresponse :
-public TObject {
- public:
- //
- // Configuration methods
- virtual void SetRSIGM(Float_t p1) =0;
- virtual void SetMUCHSP(Float_t p1) =0;
- virtual void SetMUSIGM(Float_t p1, Float_t p2) =0;
- virtual void SetMAXADC(Float_t p1) =0;
- //
- // Get member data
- virtual Float_t Chslope() =0;
- virtual Float_t ChwX() =0;
- virtual Float_t ChwY() =0;
- virtual Float_t Nsigma() =0;
- virtual Float_t adc_satm() =0;
- //
- // Chamber response methods
- // Pulse height from scored quantity (eloss)
- virtual Float_t IntPH(Float_t eloss=0) =0;
- // virtual Float_t IntPH() =0;
- virtual Int_t FeedBackPhotons(Float_t *source, Float_t qtot) =0;
- // Charge disintegration
- virtual Float_t IntXY(AliRICHsegmentation *) =0;
- //
- // Identification
- virtual char* YourName() =0;
- // Mathieson parameters
- virtual void SetSqrtKx3(Float_t p1) =0;
- virtual void SetKx2(Float_t p1) =0;
- virtual void SetKx4(Float_t p1) =0;
- virtual void SetSqrtKy3(Float_t p1) =0;
- virtual void SetKy2(Float_t p1) =0;
- virtual void SetKy4(Float_t p1) =0;
- virtual void SetPitch(Float_t p1) =0;
- ClassDef(AliRICHresponse,1)
- };
-
-//----------------------------------------------
-class AliRICHchamber :
-public TObject
-{
-
- public:
-
-//Rotation matrices for each chamber
-
- TRotMatrix *fChamberMatrix;
- Float_t fChamberTrans[3];
-
- public:
- AliRICHchamber();
- ~AliRICHchamber(){}
-//
-// Set and get GEANT id
- Int_t GetGid() {return fGid;}
- void SetGid(Int_t id) {fGid=id;}
-//
-// Initialisation and z-Position
- void Init();
- void SetZPOS(Float_t p1) {fzPos=p1;}
- Float_t ZPosition() {return fzPos;}
-//
-
-// Set inner radius of sensitive volume
- void SetRInner(Float_t rmin) {frMin=rmin;}
-// Set outer radius of sensitive volum
- void SetROuter(Float_t rmax) {frMax=rmax;}
-
-// Return inner radius of sensitive volume
- Float_t RInner() {return frMin;}
-// Return outer radius of sensitive volum
- Float_t ROuter() {return frMax;}
-
-//Transformation from Global to local coordinates, chamber-dependant
- void LocaltoGlobal(Float_t pos[3],Float_t Localpos[3]);
-
-//Setting chamber specific rotation matrices
-
- void SetChamberTransform(Float_t Trans1,Float_t Trans2,Float_t Trans3,TRotMatrix *Matrix)
-
- {
- fChamberMatrix=Matrix;
- fChamberTrans[0]=Trans1;
- fChamberTrans[1]=Trans2;
- fChamberTrans[2]=Trans3;
- }
-
-// Configure response model
- void ResponseModel(Response_t res, AliRICHresponse* thisResponse);
-
- //
-// Configure segmentation model
- void SegmentationModel(Int_t i, AliRICHsegmentation* thisSegmentation) {
- (*fSegmentation)[i-1] = thisSegmentation;
- }
-//
-// Get reference to response model
- AliRICHresponse* GetResponseModel(Response_t res);
-//
-// Get reference to segmentation model
- AliRICHsegmentation* GetSegmentationModel(Int_t isec) {
- return (AliRICHsegmentation *) (*fSegmentation)[isec-1];
- }
- Int_t Nsec() {return fnsec;}
- void SetNsec(Int_t nsec) {fnsec=nsec;}
-//
-// Member function forwarding to the segmentation and response models
-//
-// Calculate pulse height from energy loss
- Float_t IntPH(Float_t eloss) {return ((AliRICHresponse*) (*fResponse)[0])->IntPH(eloss);}
- Float_t IntPH() {return ((AliRICHresponse*) (*fResponse)[1])->IntPH(); }
-//
-// Ask segmentation if signal should be generated
- Int_t SigGenCond(Float_t x, Float_t y, Float_t z)
- {
- if (fnsec==1) {
- return ((AliRICHsegmentation*) (*fSegmentation)[0])
- ->SigGenCond(x, y, z) ;
- } else {
- return (((AliRICHsegmentation*) (*fSegmentation)[0])
- ->SigGenCond(x, y, z)) ||
- (((AliRICHsegmentation*) (*fSegmentation)[1])
- ->SigGenCond(x, y, z)) ;
- }
- }
-//
-// Initialisation of segmentation for hit
- void SigGenInit(Float_t x, Float_t y, Float_t z)
- {
-
- if (fnsec==1) {
- ((AliRICHsegmentation*) (*fSegmentation)[0])->SigGenInit(x, y, z) ;
- } else {
- ((AliRICHsegmentation*) (*fSegmentation)[0])->SigGenInit(x, y, z) ;
- ((AliRICHsegmentation*) (*fSegmentation)[1])->SigGenInit(x, y, z) ;
- }
- }
-
-// Configuration forwarding
-//
- void SetRSIGM(Float_t p)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetRSIGM(p);
- ((AliRICHresponse*) (*fResponse)[1])->SetRSIGM(p);
- }
- void SetMUCHSP(Float_t p)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetMUCHSP(p);
- ((AliRICHresponse*) (*fResponse)[1])->SetMUCHSP(p);
- }
- void SetMUSIGM(Float_t p1, Float_t p2)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetMUSIGM(p1,p2);
- ((AliRICHresponse*) (*fResponse)[1])->SetMUSIGM(p1,p2);
- }
- void SetMAXADC(Float_t p)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetMAXADC(p);
- ((AliRICHresponse*) (*fResponse)[1])->SetMAXADC(p);
- }
- void SetSqrtKx3(Float_t p)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetSqrtKx3(p);
- ((AliRICHresponse*) (*fResponse)[1])->SetSqrtKx3(p);
- }
- void SetKx2(Float_t p)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetKx2(p);
- ((AliRICHresponse*) (*fResponse)[1])->SetKx2(p);
- }
- void SetKx4(Float_t p)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetKx4(p);
- ((AliRICHresponse*) (*fResponse)[1])->SetKx4(p);
- }
- void SetSqrtKy3(Float_t p)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetSqrtKy3(p);
- ((AliRICHresponse*) (*fResponse)[1])->SetSqrtKy3(p);
- }
- void SetKy2(Float_t p)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetKy2(p);
- ((AliRICHresponse*) (*fResponse)[1])->SetKy2(p);
- }
- void SetKy4(Float_t p)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetKy4(p);
- ((AliRICHresponse*) (*fResponse)[1])->SetKy4(p);
- }
-
- void SetPitch(Float_t p)
- {
- ((AliRICHresponse*) (*fResponse)[0])->SetPitch(p);
- ((AliRICHresponse*) (*fResponse)[1])->SetPitch(p);
- }
-
- void SetPADSIZ(Int_t isec, Float_t p1, Float_t p2) {
- ((AliRICHsegmentation*) (*fSegmentation)[isec-1])->SetPADSIZ(p1,p2);
- }
-//
-// Cluster formation method
- void DisIntegration(Float_t, Float_t, Float_t, Int_t&x, Float_t newclust[6][500], Response_t res);
- ClassDef(AliRICHchamber,1)
-
- private:
-
-// Maximum and Minimum Chamber size
- Float_t frMin;
- Float_t frMax;
-// GEANT volume if for sensitive volume of this chamber
- Int_t fGid;
-// z-position of this chamber
- Float_t fzPos;
-// The segmentation models for the cathode planes
-// fnsec=1: one plane segmented, fnsec=2: both planes are segmented.
- Int_t fnsec;
- TObjArray *fSegmentation;
- TObjArray *fResponse;
-
-};
-
-class AliRICHcluster : public TObject {
-public:
-
- Int_t fHitNumber; // Hit number
- Int_t fCathode; // Cathode number
- Int_t fQ ; // Total charge
- Int_t fPadX ; // Pad number along X
- Int_t fPadY ; // Pad number along Y
- Int_t fQpad ; // Charge per pad
- Int_t fRSec ; // R -sector of pad
-
-public:
- AliRICHcluster() {
- fHitNumber=fQ=fPadX=fPadY=fQpad=fRSec=0;
- }
- AliRICHcluster(Int_t *clhits);
- virtual ~AliRICHcluster() {;}
-
- ClassDef(AliRICHcluster,1) //Cluster object for set:RICH
- };
-
-
- class AliRICHreccluster : public TObject {
-public:
-
- Int_t fTracks[3]; //labels of overlapped tracks
-
- Int_t fQ ; // Q of cluster (in ADC counts)
- Float_t fX ; // X of cluster
- Float_t fY ; // Y of cluster
-
- public:
- AliRICHreccluster() {
- fTracks[0]=fTracks[1]=fTracks[2]=0;
- fQ=0; fX=fY=0;
- }
- virtual ~AliRICHreccluster() {;}
-
- ClassDef(AliRICHreccluster,1) //Cluster object for set:RICH
- };
-
-//_____________________________________________________________________________
-class AliRICHdigit : public TObject {
- public:
- Int_t fPadX; // Pad number along x
- Int_t fPadY ; // Pad number along y
- Int_t fSignal; // Signal amplitude
-
-
- Int_t fTcharges[10]; // charge per track making this digit (up to 10)
- Int_t fTracks[10]; // tracks making this digit (up to 10)
-
-
-
- public:
- AliRICHdigit() {}
- AliRICHdigit(Int_t *digits);
- AliRICHdigit(Int_t *tracks, Int_t *charges, Int_t *digits);
- virtual ~AliRICHdigit() {}
-
-
- ClassDef(AliRICHdigit,1) //Digits for set:RICH
- };
-//_____________________________________________________________________________
-
-class AliRICHlist : public AliRICHdigit {
- public:
-
- Int_t fRpad; // r_pos of pad
- Int_t fChamber; // chamber number of pad
- TObjArray *fTrackList;
-
-
- public:
- AliRICHlist() {fTrackList=0;}
- AliRICHlist(Int_t ich, Int_t *digits);
- virtual ~AliRICHlist() {}
-
- TObjArray *TrackList() {return fTrackList;}
-
- ClassDef(AliRICHlist,1) //Digits for set:RICH
- };
-//___________________________________________
-
-
-//___________________________________________
-
-class AliRICHhit : public AliHit {
- public:
- Int_t fChamber; // Chamber number
- Float_t fParticle; // Geant3 particle type
- Float_t fTheta ; // Incident theta angle in degrees
- Float_t fPhi ; // Incident phi angle in degrees
- Float_t fTlength; // Track length inside the chamber
- Float_t fEloss; // ionisation energy loss in gas
- Int_t fPHfirst; // first padhit
- Int_t fPHlast; // last padhit
- public:
- AliRICHhit() {}
- AliRICHhit(Int_t fIshunt, Int_t track, Int_t *vol, Float_t *hits);
- virtual ~AliRICHhit() {}
-
- ClassDef(AliRICHhit,1) //Hits object for set:RICH
- };
-
-//------------------------------------------------
-// Cerenkov photon object
-//------------------------------------------------
-
-class AliRICHCerenkov: public AliHit {
- public:
- Int_t fChamber; // Chamber number
- Float_t fTheta ; // Incident theta angle in degrees
- Float_t fPhi ; // Incident phi angle in degrees
- Float_t fTlength; // Track length inside the chamber
- Int_t fPHfirst; // first padhit
- Int_t fPHlast; // last padhit
- public:
- AliRICHCerenkov() {}
- AliRICHCerenkov(Int_t fIshunt, Int_t track, Int_t *vol, Float_t *Cerenkovs);
- virtual ~AliRICHCerenkov() {}
-
- ClassDef(AliRICHCerenkov,1) //Cerenkovs object for set:RICH
- };
-
-//--------------------------------------------------
+class AliRICHPadHit;
+class AliRICHRawCluster;
+class AliRICHRecHit;
+class AliRICHClusterFinder;
+class AliRICHDetect;
+class AliRICHChamber;
+class AliRICHCerenkov;
+class AliRICHSegmentation;
+class AliRICHResponse;
+class AliRICHEllipse;
class AliRICH : public AliDetector {
public:
virtual ~AliRICH();
virtual void AddHit(Int_t, Int_t*, Float_t*);
virtual void AddCerenkov(Int_t, Int_t*, Float_t*);
- virtual void AddCluster(Int_t*);
+ virtual void AddPadHit(Int_t*);
virtual void AddDigits(Int_t, Int_t*, Int_t*, Int_t*);
- virtual void AddRecCluster(Int_t iCh, Int_t iCat,
- AliRICHRecCluster* Cluster);
+ virtual void AddRawCluster(Int_t, const AliRICHRawCluster&);
+ virtual void AddRecHit(Int_t, Float_t*);
+
+
virtual void BuildGeometry();
virtual void CreateGeometry() {}
virtual void CreateMaterials() {}
Int_t DistancetoPrimitive(Int_t px, Int_t py);
virtual Int_t IsVersion() const =0;
//
- TClonesArray *Clusters() {return fClusters;}
- TClonesArray *Cerenkovs() {return fCerenkovs;}
+ TClonesArray *PadHits() {return fPadHits;}
+ TClonesArray *Cerenkovs() {return fCerenkovs;}
virtual void MakeBranch(Option_t *opt=" ");
void SetTreeAddress();
virtual void ResetHits();
virtual void ResetDigits();
- virtual void ResetRecClusters();
- virtual void ReconstructClusters();
+ virtual void ResetRawClusters();
+ virtual void ResetRecHits();
+ virtual void FindClusters(Int_t,Int_t);
virtual void Digitise(Int_t,Option_t *opt=" ",Text_t *name=" ");
//
// Configuration Methods (per station id)
//
// Set Chamber Segmentation Parameters
// id refers to the station and isec to the cathode plane
- virtual void SetPADSIZ(Int_t id, Int_t isec, Float_t p1, Float_t p2);
-
-// Set Signal Generation Parameters
- virtual void SetRSIGM(Int_t id, Float_t p1);
- virtual void SetMUCHSP(Int_t id, Float_t p1);
- virtual void SetMUSIGM(Int_t id, Float_t p1, Float_t p2);
- virtual void SetMAXADC(Int_t id, Float_t p1);
// Set Segmentation and Response Model
- virtual void SetSegmentationModel(Int_t id, Int_t isec, AliRICHsegmentation *segmentation);
- virtual void SetResponseModel(Int_t id, Response_t res, AliRICHresponse *response);
+ virtual void SetGeometryModel(Int_t id, AliRICHGeometry *geometry);
+ virtual void SetSegmentationModel(Int_t id, AliRICHSegmentation *segmentation);
+ virtual void SetResponseModel(Int_t id, AliRICHResponse *response);
virtual void SetNsec(Int_t id, Int_t nsec);
-// Set Stepping Parameters
- virtual void SetSMAXAR(Float_t p1);
- virtual void SetSMAXAL(Float_t p1);
- virtual void SetDMAXAR(Float_t p1);
- virtual void SetDMAXAL(Float_t p1);
- virtual void SetRICHACC(Bool_t acc=0, Float_t angmin=2, Float_t angmax=9);
+// Set Reconstruction Model
+ virtual void SetReconstructionModel(Int_t id, AliRICHClusterFinder *reconstruction);
// Response Simulation
virtual void MakePadHits(Float_t xhit,Float_t yhit,Float_t eloss,Int_t id,Response_t res);
// Return reference to Chamber #id
- virtual AliRICHchamber& Chamber(Int_t id) {return *((AliRICHchamber *) (*fChambers)[id]);}
+ virtual AliRICHChamber& Chamber(Int_t id) {return *((AliRICHChamber *) (*fChambers)[id]);}
// Retrieve pad hits for a given Hit
- virtual AliRICHcluster* FirstPad(AliRICHhit *, TClonesArray *);
- virtual AliRICHcluster* NextPad(TClonesArray *);
+ virtual AliRICHPadHit* FirstPad(AliRICHHit *, TClonesArray *);
+ virtual AliRICHPadHit* NextPad(TClonesArray *);
// Return pointers to digits
TObjArray *Dchambers() {return fDchambers;}
Int_t *Ndch() {return fNdch;}
virtual TClonesArray *DigitsAddress(Int_t id) {return ((TClonesArray *) (*fDchambers)[id]);}
+// Return pointers to rec. hits
+ TObjArray *RecHits() {return fRecHits;}
+ Int_t *Nrechits() {return fNrechits;}
+ virtual TClonesArray *RecHitsAddress(Int_t id) {return ((TClonesArray *) (*fRecHits)[id]);}
// Return pointers to reconstructed clusters
- virtual TObjArray *RecClusters(Int_t iCh, Int_t iCat)
- {return ( (TObjArray*) (*fRecClusters)[iCh+iCat*10]);}
+ virtual TClonesArray *RawClustAddress(Int_t id) {return ((TClonesArray *) (*fRawClusters)[id]);}
protected:
TObjArray *fChambers; // List of Tracking Chambers
- Int_t fNclusters; // Number of clusters
- Int_t fNcerenkovs; // Number of cerenkovs
- TClonesArray *fClusters; // List of clusters
+ Int_t fNPadHits; // Number of clusters
+ Int_t fNcerenkovs; // Number of cerenkovs
+ TClonesArray *fPadHits; // List of clusters
TObjArray *fDchambers; // List of digits
- TObjArray *fRecClusters; // List of clusters
TClonesArray *fCerenkovs; // List of cerenkovs
Int_t *fNdch; // Number of digits
Text_t *fFileName; // Filename for event mixing
-
-
- TObjArray *fRawClusters; // List of raw clusters
- Int_t *fNrawch; // Number of raw clusters
- TObjArray *fCathCorrel; // List of correlated clusters
- Int_t *fNcorch; // Number of correl clusters
- TTree *fTreeC; // Cathode correl index tree
-
-//
- Bool_t fAccCut; //Transport acceptance cut
- Float_t fAccMin; //Minimum acceptance cut used during transport
- Float_t fAccMax; //Minimum acceptance cut used during transport
+ TObjArray *fRawClusters; // List of raw clusters
+ TObjArray *fRecHits; // List of rec. hits
+ Int_t *fNrawch; // Number of raw clusters
+ Int_t *fNrechits; // Number of rec hits
//
-
-// Stepping Parameters
- Float_t fMaxStepGas; // Maximum step size inside the chamber gas
- Float_t fMaxStepAlu; // Maximum step size inside the chamber aluminum
- Float_t fMaxDestepGas; // Maximum relative energy loss in gas
- Float_t fMaxDestepAlu; // Maximum relative energy loss in aluminum
-
protected:
ClassDef(AliRICH,1) //Hits manager for set:RICH
- };
-//___________________________________________
-class AliRICHRecCluster : public TObject {
- public:
- AliRICHRecCluster() ;
- AliRICHRecCluster(Int_t FirstDigit,Int_t Ichamber, Int_t Icathod) ;
- virtual ~AliRICHRecCluster();
- virtual void AddDigit(Int_t Digit);
- virtual Int_t FirstDigitIndex();
- virtual Int_t NextDigitIndex();
- virtual Int_t InvalidDigitIndex() {return -1;}
-
- virtual Int_t NDigits();
- virtual void Finish(); // Nothing yet ...
- virtual Int_t GetCathod() {return fCathod;}
- virtual Int_t GetChamber() {return fChamber;}
-
- public:
- Float_t fX; // reconstructed x
- Float_t fY; // reconstructed y
-
- protected:
- TArrayI *fDigits; // List of digits indexes for that cluster
- Int_t fNdigit; // Number of digits indexes stored;
- Int_t fCathod; // Number of the cathod to be used;
- Int_t fChamber; // Number of the chamber to be used;
- Int_t fCurrentDigit; // Current Digit inside an iteration
-
- ClassDef(AliRICHRecCluster,1) //Cluster object for set:RICH
- };
-//___________________________________________
+};
#endif