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6bc03c45 | 1 | #ifndef AliVParticle_H |
2 | #define AliVParticle_H | |
3 | /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //------------------------------------------------------------------------- | |
9 | // base class for ESD and AOD particles | |
10 | // Author: Markus Oldenburg, CERN | |
11 | //------------------------------------------------------------------------- | |
12 | ||
13 | #include <Rtypes.h> | |
14 | #include <TObject.h> | |
15 | ||
6a7d7784 | 16 | #include <float.h> |
17 | ||
18 | const Double_t kAlmost1=1. - Double_t(FLT_EPSILON); | |
19 | const Double_t kAlmost0=Double_t(FLT_MIN); | |
c683ddc2 | 20 | |
21 | const Double_t kB2C=0.299792458e-3; | |
22 | const Double_t kAlmost0Field=1.e-13; | |
23 | ||
6bc03c45 | 24 | class AliVParticle: public TObject { |
25 | ||
26 | public: | |
27 | AliVParticle() { } | |
28 | virtual ~AliVParticle() { } | |
29 | AliVParticle(const AliVParticle& vPart); | |
30 | AliVParticle& operator=(const AliVParticle& vPart); | |
31 | ||
32 | // kinematics | |
33 | virtual Double_t Px() const = 0; | |
34 | virtual Double_t Py() const = 0; | |
35 | virtual Double_t Pz() const = 0; | |
36 | virtual Double_t Pt() const = 0; | |
37 | virtual Double_t P() const = 0; | |
c683ddc2 | 38 | virtual Bool_t PxPyPz(Double_t p[3]) const = 0; |
39 | ||
40 | virtual Double_t Xv() const = 0; | |
41 | virtual Double_t Yv() const = 0; | |
42 | virtual Double_t Zv() const = 0; | |
43 | virtual Bool_t XvYvZv(Double_t x[3]) const = 0; | |
6bc03c45 | 44 | |
45 | virtual Double_t OneOverPt() const = 0; | |
46 | virtual Double_t Phi() const = 0; | |
47 | virtual Double_t Theta() const = 0; | |
48 | ||
49 | ||
50 | virtual Double_t E() const = 0; | |
51 | virtual Double_t M() const = 0; | |
52 | ||
53 | virtual Double_t Eta() const = 0; | |
54 | virtual Double_t Y() const = 0; | |
55 | ||
56 | virtual Short_t Charge() const = 0; | |
3c43fb2b | 57 | virtual Int_t GetLabel() const = 0; |
6bc03c45 | 58 | // PID |
59 | virtual const Double_t *PID() const = 0; // return PID object (to be defined, still) | |
60 | ||
c683ddc2 | 61 | // coordinate system conversions |
62 | Bool_t Local2GlobalMomentum(Double_t p[3], Double_t alpha) const; | |
63 | Bool_t Local2GlobalPosition(Double_t r[3], Double_t alpha) const; | |
64 | Bool_t Global2LocalMomentum(Double_t p[3], Short_t charge, Double_t &alpha) const; | |
65 | Bool_t Global2LocalPosition(Double_t r[3], Double_t alpha) const; | |
6bc03c45 | 66 | |
67 | ClassDef(AliVParticle,0) // base class for particles | |
68 | }; | |
69 | ||
70 | #endif |