updated commment
[u/mrichter/AliRoot.git] / TRD / AliTRDhit.h
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8230f242 1#ifndef ALITRDHIT_H
2#define ALITRDHIT_H
6f1e466d 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
3bc9d03e 6/* $Id$ */
6f1e466d 7
3bc9d03e 8////////////////////////////////////////////////////////////////////////////
9// //
10// Hit class for the TRD //
11// //
12////////////////////////////////////////////////////////////////////////////
6f1e466d 13
14#include "AliHit.h"
15
6f1e466d 16class AliTRDhit : public AliHit {
793ff80c 17
6f1e466d 18 public:
19
8230f242 20 AliTRDhit();
793ff80c 21 AliTRDhit(Int_t shunt, Int_t track, Int_t det, Float_t *hits, Int_t q);
8230f242 22 virtual ~AliTRDhit();
23
3bc9d03e 24 Int_t GetDetector() const { return fDetector; }
25 Int_t GetCharge() const { return fQ; }
a2b90f83 26
3bc9d03e 27 void SetX(Float_t x) { fX = x; }
28 void SetY(Float_t y) { fY = y; }
29 void SetZ(Float_t z) { fZ = z; }
30 void SetDetector(Int_t det) { fDetector = det; }
31 void SetQ(Int_t q) { fQ = q; }
8230f242 32
3bc9d03e 33 Bool_t FromDrift() const { return TestBit(kDrift); }
34 Bool_t FromAmplification() const { return TestBit(kAmplification); }
35 Bool_t FromTRphoton() const { return (fQ < 0); }
36
37 void SetDrift() { SetBit(kDrift); }
38 void SetAmplification() { SetBit(kAmplification); }
39 void SetTRphoton() { SetBit(kTRphoton); }
4a92d8bc 40
8230f242 41 protected:
42
3bc9d03e 43 enum {
44 kDrift = 0x00000001 // Hit is from the drift region
45 , kAmplification = 0x00000002 // Hit is from the amplification region
46 , kTRphoton = 0x00000004 // Hit is from a TR photon
47 , kTest = 0x00000008 // Hit is a special test hit
48 };
4a92d8bc 49
3bc9d03e 50 UShort_t fDetector; // TRD detector number
51 Short_t fQ; // Charge created by a hit. TR signals are negative.
793ff80c 52
3bc9d03e 53 ClassDef(AliTRDhit,3) // Hit for the Transition Radiation Detector
6f1e466d 54
55};
56
57#endif