fill the refmult
[u/mrichter/AliRoot.git] / TRD / AliTRDtrackletWord.h
CommitLineData
52c19022 1#ifndef ALITRDTRACKLETWORD_H
2#define ALITRDTRACKLETWORD_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id: AliTRDtrackletWord.h 27496 2008-07-22 08:35:45Z cblume $ */
7
8//-----------------------------------
9//
10// TRD tracklet word (as from FEE)
11// only 32-bit of information + detector ID
12//
13//----------------------------------
14
15#include "AliTRDtrackletBase.h"
85c32c86 16#include "AliTRDgeometry.h"
17#include "AliTRDpadPlane.h"
52c19022 18
19class AliTRDtrackletWord : public AliTRDtrackletBase {
20 public:
4cc89512 21 AliTRDtrackletWord(UInt_t trackletWord = 0);
22 AliTRDtrackletWord(UInt_t trackletWord, Int_t hcid);
52c19022 23 AliTRDtrackletWord(const AliTRDtrackletWord &rhs);
24 ~AliTRDtrackletWord();
25
26 // ----- Getters for contents of tracklet word -----
27 Int_t GetYbin() const;
28 Int_t GetdY() const;
29 Int_t GetZbin() const { return ((fTrackletWord >> 20) & 0xf); }
30 Int_t GetPID() const { return ((fTrackletWord >> 24) & 0xff); }
31
32 // ----- Getters for offline corresponding values -----
33 Bool_t CookPID() { return kFALSE; }
34 Double_t GetPID(Int_t /* is */) const { return 0; }
35 Int_t GetDetector() const { return fHCId / 2; }
36 Int_t GetHCId() const { return fHCId; }
37 Float_t GetdYdX() const { return (GetdY() * 140e-4 / 3.); }
85c32c86 38 Float_t GetX() const { return fgGeo->GetTime0((fHCId%12)/2); }
52c19022 39 Float_t GetY() const { return (GetYbin() * 160e-4); }
85c32c86 40 Float_t GetZ() const { return fgGeo->GetPadPlane((fHCId % 12) / 2, (fHCId/12) % 5)->GetRowPos(GetZbin()); }
52c19022 41
42 UInt_t GetTrackletWord() const { return fTrackletWord; }
43 void SetTrackletWord(UInt_t trackletWord) { fTrackletWord = trackletWord; }
44
45 void SetDetector(Int_t id) { fHCId = 2 * id + (GetYbin() < 0 ? 0 : 1); }
46 void SetHCId(Int_t id) { fHCId = id; }
47
48 protected:
49 Int_t fHCId; //! half-chamber ID (only transient)
50 UInt_t fTrackletWord; // tracklet word: PID | Z | deflection length | Y
51 // bits: 12 4 7 13
85c32c86 52 static AliTRDgeometry *fgGeo; // pointer to TRD geometry for coordinate calculations
52c19022 53
4cc89512 54 private:
55 AliTRDtrackletWord& operator=(const AliTRDtrackletWord &rhs); // not implemented
56
52c19022 57 ClassDef(AliTRDtrackletWord, 1);
58};
59
60#endif