DataTree/interface/ChargedParticle.h

//--------------------------------------------------------------------------------------------------
// $Id: ChargedParticle.h,v 1.10 2009/05/11 08:00:00 loizides Exp $
//
// ChargedParticle
//
// Abstract base class for particles which have a corresponding track.
//
// Authors: C.Loizides, J.Bendavid
//--------------------------------------------------------------------------------------------------

#ifndef MITANA_DATATREE_CHARGEDPARTICLE_H
#define MITANA_DATATREE_CHARGEDPARTICLE_H
 
#include "MitAna/DataTree/interface/Particle.h"
#include "MitAna/DataTree/interface/Track.h"

namespace mithep 
{
  class ChargedParticle : public Particle
  {
    public:
      ChargedParticle() {}

      EObjType                ObjType()    const { return kChargedParticle; }
      virtual const Track    *TrackerTrk() const { return Trk();            }
      virtual const Track    *Trk()        const { return 0;                }

    protected:
      Double_t                GetCharge()  const;
      void                    GetMom()     const;

    ClassDef(ChargedParticle, 1) // Charged particle class
  };
}

//--------------------------------------------------------------------------------------------------
inline Double_t mithep::ChargedParticle::GetCharge() const
{
  // Get charge from track.

  const mithep::Track *trk = Trk();
  if (trk) 
    return trk->Charge();
  else 
    return 0;
}

//--------------------------------------------------------------------------------------------------
inline void mithep::ChargedParticle::GetMom() const
{
  // Get momentum values from track.

  const mithep::Track *trk = Trk();
  if (trk)
    fCachedMom.SetCoordinates(trk->Pt(),trk->Eta(),trk->Phi(),GetMass());
  else 
    fCachedMom.SetCoordinates(0,0,0,GetMass());
}
#endif
Revision:	1.11
Committed:	Fri Oct 30 14:16:00 2009 UTC (15 years, 6 months ago) by bendavid
Content type:	text/plain
Branch:	MAIN
CVS Tags:	Mit_014e, Mit_014d, Mit_014c, Mit_014b, Mit_014a, Mit_014, Mit_014pre3, Mit_014pre2, Mit_014pre1, Mit_013d, Mit_013c, Mit_013b, Mit_013a, Mit_013, Mit_013pre1, Mit_012i, Mit_012h, Mit_012g, Mit_012f, Mit_012e, Mit_012d, Mit_012c, Mit_012b, Mit_012a, Mit_012
Changes since 1.10:	+2 -2 lines
Log Message:	Add support for explicitly stored electron charge, backwards compatibility using schema evolution
#	Content
1	//--------------------------------------------------------------------------------------------------
2	// $Id: ChargedParticle.h,v 1.10 2009/05/11 08:00:00 loizides Exp $
3	//
4	// ChargedParticle
5	//
6	// Abstract base class for particles which have a corresponding track.
7	//
8	// Authors: C.Loizides, J.Bendavid
9	//--------------------------------------------------------------------------------------------------
10
11	#ifndef MITANA_DATATREE_CHARGEDPARTICLE_H
12	#define MITANA_DATATREE_CHARGEDPARTICLE_H
13
14	#include "MitAna/DataTree/interface/Particle.h"
15	#include "MitAna/DataTree/interface/Track.h"
16
17	namespace mithep
18	{
19	class ChargedParticle : public Particle
20	{
21	public:
22	ChargedParticle() {}
23
24	EObjType ObjType() const { return kChargedParticle; }
25	virtual const Track *TrackerTrk() const { return Trk(); }
26	virtual const Track *Trk() const { return 0; }
27
28	protected:
29	Double_t GetCharge() const;
30	void GetMom() const;
31
32	ClassDef(ChargedParticle, 1) // Charged particle class
33	};
34	}
35
36	//--------------------------------------------------------------------------------------------------
37	inline Double_t mithep::ChargedParticle::GetCharge() const
38	{
39	// Get charge from track.
40
41	const mithep::Track *trk = Trk();
42	if (trk)
43	return trk->Charge();
44	else
45	return 0;
46	}
47
48	//--------------------------------------------------------------------------------------------------
49	inline void mithep::ChargedParticle::GetMom() const
50	{
51	// Get momentum values from track.
52
53	const mithep::Track *trk = Trk();
54	if (trk)
55	fCachedMom.SetCoordinates(trk->Pt(),trk->Eta(),trk->Phi(),GetMass());
56	else
57	fCachedMom.SetCoordinates(0,0,0,GetMass());
58	}
59	#endif