AliGenMC base class for AliGenParam and AliGenPythia commonalities.
[u/mrichter/AliRoot.git] / EVGEN / AliGenMC.h
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e36044d6 1#ifndef ALIGENMC_H
2#define ALIGENMC_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
8
9#include "AliGenerator.h"
10#include "AliDecayer.h"
11#include <TArrayI.h>
12
13class TParticle;
14
15class AliGenMC : public AliGenerator
16{
17 public:
18 AliGenMC();
19 AliGenMC(Int_t npart);
20 AliGenMC(const AliGenMC &MC);
21 virtual ~AliGenMC();
22 void Init();
23 virtual void SetForceDecay(Decay_t decay = kDiMuon) {fForceDecay = decay;}
24 AliGenMC & operator=(const AliGenMC & rhs);
25 virtual void SetCutOnChild(Int_t flag = 0) {fCutOnChild = flag;}
26 virtual void SetChildMomentumRange(Float_t pmin = 0, Float_t pmax = 1.e10)
27 {fChildPMin = pmin; fChildPMax = pmax;}
28 virtual void SetChildPtRange(Float_t ptmin = 0, Float_t ptmax = 20.)
29 {fChildPtMin = ptmin; fChildPtMax = ptmax;}
30 virtual void SetChildPhiRange(Float_t phimin = -180., Float_t phimax = 180)
31 {fChildPhiMin = TMath::Pi()*phimin/180;
32 fChildPhiMax = TMath::Pi()*phimax/180;}
33 virtual void SetChildThetaRange(Float_t thetamin = 0, Float_t thetamax = 180)
34 {fChildThetaMin = TMath::Pi()*thetamin/180;
35 fChildThetaMax = TMath::Pi()*thetamax/180;}
36 virtual void SetChildYRange(Float_t ymin = -12, Float_t ymax = 12)
37 {fChildYMin = ymin;
38 fChildYMax = ymax;}
39
40 protected:
41 // check if particle is selected as parent particle
42 Bool_t ParentSelected(Int_t ip);
43 // check if particle is selected as child particle
44 Bool_t ChildSelected(Int_t ip);
45 // all kinematic selection cuts go here
46 Bool_t KinematicSelection(TParticle *particle, Int_t flag);
47 Int_t CheckPDGCode(Int_t pdgcode);
48
49 protected:
50 TArrayI fParentSelect; // Parent particles to be selected
51 TArrayI fChildSelect; // Decay products to be selected
52 Int_t fCutOnChild; // Cuts on decay products (children) are enabled/disabled
53 Float_t fChildPtMin; // Children minimum pT
54 Float_t fChildPtMax; // Children maximum pT
55 Float_t fChildPMin; // Children minimum p
56 Float_t fChildPMax; // Children maximum p
57 Float_t fChildPhiMin; // Children minimum phi
58 Float_t fChildPhiMax; // Children maximum phi
59 Float_t fChildThetaMin; // Children minimum theta
60 Float_t fChildThetaMax; // Children maximum theta
61 Float_t fChildYMin; // Children minimum y
62 Float_t fChildYMax; // Children maximum y
63 Decay_t fForceDecay; // Decay channel forced
64
65 ClassDef(AliGenMC,1) // AliGenerator implementation for generators using MC methods
66};
67#endif
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