1 #ifndef ALITRDTRACKLETBASE_H
2 #define ALITRDTRACKLETBASE_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
7 /* $Id: AliTRDtrackletBase.h 26327 2008-06-02 15:36:18Z cblume $ */
9 ////////////////////////////////////////////////////////////////////////////
12 // abstract base class for TRD tracklets //
15 // Alex Bercuci (A.Bercuci@gsi.de) //
16 // Jochen Klein (jochen.klein@cern.ch) //
18 ////////////////////////////////////////////////////////////////////////////
24 class AliTRDtrackletBase : public TObject {
28 AliTRDtrackletBase() : TObject() {}
29 AliTRDtrackletBase(const AliTRDtrackletBase &o) : TObject(o) {}
30 virtual ~AliTRDtrackletBase() {}
32 AliTRDtrackletBase& operator=(const AliTRDtrackletBase &o) { TObject::operator=(o); return *this; }
34 virtual Bool_t CookPID() = 0;
36 virtual Int_t GetDetector() const = 0 ;
37 virtual Int_t GetHCId() const { return 2 * GetDetector() + (GetYbin() > 0 ? 1 : 0); }
39 virtual Float_t GetX() const = 0;
40 virtual Float_t GetY() const = 0;
41 virtual Float_t GetZ() const = 0;
42 virtual Float_t GetdYdX() const = 0;
43 virtual Float_t GetdZdX() const { return 0; }
45 virtual Int_t GetdY() const = 0; // in units of 140um
46 virtual Int_t GetYbin() const = 0; // in units of 160um
47 virtual Int_t GetZbin() const = 0; // in pad length units
49 virtual Double_t GetPID(Int_t is=-1) const = 0;
51 virtual void LocalToGlobal(Float_t&, Float_t&, Float_t&, Float_t&) {}
53 virtual void Print(Option_t * /*option=""*/) const {}
55 virtual UInt_t GetTrackletWord() const = 0;
57 virtual void SetDetector(Int_t id) = 0;
61 ClassDef(AliTRDtrackletBase, 1); // Base class for TRD on- and offline tracklets