/* $Id$ */
-#include <TObject.h>
+///////////////////////////////////////////////////////////////////////////////
+// //
+// TRD cluster //
+// //
+///////////////////////////////////////////////////////////////////////////////
-class AliTRDrecPoint;
+#include "AliCluster.h"
-class AliTRDcluster : public TObject {
+class AliTRDtrackletWord;
- public:
+class AliTRDcluster : public AliCluster {
+ friend class AliHLTTRDCluster;
+
+public:
+ enum ETRDclusterStatus {
+ kInChamber = BIT(16) // Out of fiducial volume of chamber (signal tails)
+ ,kFivePad = BIT(17) // Deconvoluted clusters
+ ,kLUT = BIT(18)
+ ,kGAUS = BIT(19)
+ ,kCOG = BIT(20)
+ };
+ enum ETRDclusterMask {
+ kMaskedLeft = 0
+ ,kMaskedCenter = 1
+ ,kMaskedRight = 2
+ };
AliTRDcluster();
- AliTRDcluster(AliTRDrecPoint *rp);
+ AliTRDcluster(Int_t det, UChar_t col, UChar_t row, UChar_t time, const Short_t *sig, UShort_t volid);
+ AliTRDcluster(Int_t det, Float_t q, Float_t *pos, Float_t *sig
+ , Int_t *tracks, Char_t npads, Short_t * const signals
+ , UChar_t col, UChar_t row, UChar_t time
+ , Char_t timebin, Float_t center, UShort_t volid);
+ AliTRDcluster(const AliTRDtrackletWord *const tracklet, Int_t det, UShort_t volid);
+ AliTRDcluster(const AliTRDcluster &c);
+ virtual ~AliTRDcluster() {};
+ AliTRDcluster &operator=(const AliTRDcluster &c);
+
+ virtual void AddTrackIndex(const Int_t * const i);
+ void Clear(Option_t *o="");
- virtual Int_t GetDetector() const { return fDetector; };
- virtual Int_t GetLocalTimeBin() const { return fTimeBin; }
+ Bool_t IsEqual(const TObject *otherCluster) const;
+ Bool_t IsInChamber() const { return TestBit(kInChamber); }
+ Bool_t IsMasked() const { return fClusterMasking ? kTRUE : kFALSE; }
+ Bool_t IsShared() const { return IsClusterShared(); }
+ Bool_t IsUsed() const { return IsClusterUsed(); }
+ Bool_t IsFivePad() const { return TestBit(kFivePad); }
+ inline Bool_t IsRPhiMethod(ETRDclusterStatus m) const;
+
+ UChar_t GetPadMaskedPosition() const { return fClusterMasking & 7; }
+ UChar_t GetPadMaskedStatus() const { return fClusterMasking >> 3; }
+ Int_t GetDetector() const { return fDetector; }
+ Int_t GetLocalTimeBin() const { return fLocalTimeBin; }
+ Float_t GetQ() const { return fQ; }
+ Int_t GetNPads() const { return fNPads; }
+ Float_t GetCenter() const { return fCenter; }
+ Int_t GetPadCol() const { return fPadCol; }
+ Int_t GetPadRow() const { return fPadRow; }
+ Int_t GetPadTime() const { return fPadTime; }
+ Short_t *GetSignals() { return fSignals; }
+ Float_t GetSumS() const;
+
+ static Double_t GetSX(Int_t tb, Double_t z=-1);
+ static Double_t GetSYdrift(Int_t tb, Int_t ly=0, Double_t z=-1);
+ static Double_t GetSYcharge(Float_t q);
+ static Double_t GetSYprf(Int_t ly, Double_t center, Double_t s2);
+ static Double_t GetXcorr(Int_t tb, Double_t z=-1);
+ static Double_t GetYcorr(Int_t ly, Float_t y);
+ Float_t GetXloc(Double_t t0, Double_t vd
+ , const Double_t *const q = 0x0
+ , const Double_t *const xq = 0x0
+ , Double_t z = 0.2);
+ Float_t GetYloc(Double_t y0, Double_t s2, Double_t W, Double_t *const y1=0x0, Double_t *const y2=0x0);
+
+ void Print(Option_t* o="") const;
- virtual Float_t GetSigmaY2() const { return fSigmaY2; }
- virtual Float_t GetSigmaZ2() const { return fSigmaZ2; }
- virtual Float_t GetY() const { return fY; }
- virtual Float_t GetZ() const { return fZ; }
- virtual Float_t GetQ() const { return fQ; }
+ void SetLocalTimeBin(Char_t t) { fLocalTimeBin = t; }
+ void SetNPads(Int_t n) { fNPads = n; }
+ void SetPadCol(UChar_t inPadCol) { fPadCol = inPadCol; }
+ void SetPadRow(UChar_t inPadRow) { fPadRow = inPadRow; }
+ void SetPadTime(UChar_t inPadTime) { fPadTime = inPadTime; }
+ void SetDetector(Short_t inDetector) { fDetector = inDetector; }
+ void SetQ(Float_t inQ) { fQ = inQ; }
+ void SetClusterMasking(UChar_t inClusterMasking) { fClusterMasking = inClusterMasking; }
+ void SetShared(Bool_t sh = kTRUE) { SetBit(AliCluster::kShared,sh); }
+ void SetFivePad(Bool_t b = kTRUE) { SetBit(kFivePad,b); }
+ void SetInChamber(Bool_t in = kTRUE) { SetBit(kInChamber,in); }
+ void SetPadMaskedPosition(UChar_t position);
+ void SetPadMaskedStatus(UChar_t status);
+ void SetSigmaY2(Float_t s2, Float_t dt, Float_t exb, Float_t x0, Float_t z=-1., Float_t tgp=0.);
+ inline void SetRPhiMethod(ETRDclusterStatus m);
- Int_t IsUsed() const { return (fQ<0) ? 1 : 0; }
- void Use() { fQ=-fQ; }
- Int_t GetTrackIndex(Int_t i) const { return fTracks[i]; }
+ void Use(Int_t u = 1) { SetBit(AliCluster::kUsed, u ? kTRUE : kFALSE); }
+protected:
- protected:
+ UChar_t fPadCol; // Central pad number in column direction
+ UChar_t fPadRow; // Central pad number in row direction
+ UChar_t fPadTime; // Uncalibrated time bin number
+ Char_t fLocalTimeBin; // T0-calibrated time bin number
+ UChar_t fNPads; // Number of pads in cluster
+ UChar_t fClusterMasking; // Bit field containing cluster status information;
+ Short_t fDetector; // TRD detector number
+ Short_t fSignals[7]; // Signals in the cluster
+ Float_t fQ; // Amplitude
+ Float_t fCenter; // Center of the cluster relative to the pad
- Int_t fDetector; // TRD detector number
- Int_t fTimeBin; // Time bin number within the detector
+private:
- Int_t fTracks[3]; // labels of overlapped tracks
- Float_t fQ; // amplitude
- Float_t fY; // local Rphi coordinate (cm) within tracking sector
- Float_t fZ; // local Z coordinate (cm) within tracking sector
- Float_t fSigmaY2; // Y variance (cm)
- Float_t fSigmaZ2; // Z variance (cm)
+ Float_t GetDYcog(const Double_t *const y1=0x0, const Double_t *const y2=0x0);
+ Float_t GetDYlut(const Double_t *const y1=0x0, const Double_t *const y2=0x0);
+ Float_t GetDYgauss(Double_t sw, Double_t *const y1=0x0, Double_t *const y2=0x0);
+ static void FillLUT();
+ static const Int_t fgkNlut; //! Number of bins of the LUT
+ static Double_t *fgLUT; //! The lookup table
+
+ ClassDef(AliTRDcluster, 7) // Cluster for the TRD
- ClassDef(AliTRDcluster,1) // Reconstructed point for the TRD
-
};
+//________________________________________________
+inline Bool_t AliTRDcluster::IsRPhiMethod(ETRDclusterStatus m) const
+{
+ if(m==kLUT && TestBit(kLUT)) return kTRUE;
+ else if(m==kGAUS && TestBit(kGAUS)) return kTRUE;
+ else if(m==kCOG && (!TestBit(kLUT)&&!TestBit(kGAUS))) return kTRUE;
+
+ return kFALSE;
+}
+
+//________________________________________________
+inline void AliTRDcluster::SetRPhiMethod(ETRDclusterStatus m)
+{
+ SetBit(kCOG,0);SetBit(kLUT,0);SetBit(kGAUS,0);
+ switch(m){
+ case kCOG: SetBit(kCOG); break;
+ case kLUT: SetBit(kLUT); break;
+ case kGAUS: SetBit(kGAUS); break;
+ default: SetBit(kLUT); break;
+ }
+}
+
#endif