PndRichPhoton Class Reference

#include <PndRichPhoton.h>

Public Member Functions
	PndRichPhoton ()
	PndRichPhoton (Double_t theta, Double_t phi, UInt_t tmask)
	PndRichPhoton (const PndRichPhoton &photon)
PndRichPhoton &	operator= (const PndRichPhoton &photon)
virtual	~PndRichPhoton ()
virtual void	Print (const Option_t *opt="") const
virtual bool	TrackCalc ()
virtual Double_t	GetLength ()
virtual Double_t	GetTime ()
virtual Double_t	GetTheta ()
virtual Double_t	GetPhi ()
virtual UInt_t	GetTMask ()
virtual std::vector < PndRichMirrorSegment * >	GetMirror ()
virtual TVector3	GetHitPos ()
virtual std::vector< TVector3 >	GetMirrRefPos ()
virtual PndRichBarPoint *	GetTrack ()
void	SetLength (Double_t length)
void	SetDTime (Double_t time)
void	SetTime (Double_t time)
void	SetTheta (Double_t theta)
void	SetPhi (Double_t phi)
void	SetPDHit (PndRichPDHit *hit)
void	SetHitTime (Double_t hitTime)
void	SetHitPos (TVector3 hit)
void	SetTrackPos (TVector3 pos)
void	SetTrackDir (TVector3 dir)
void	SetTrack (PndRichBarPoint *track)
void	SetMirrRefPos (std::vector< TVector3 > pos)
void	SetMirror (std::vector< PndRichMirrorSegment * > mirrors)

Protected Attributes
PndRichPDHit *	fPDHit
Double_t	fDTime
Double_t	fTime
Double_t	fHitTime
Double_t	fTheta
Double_t	fPhi
UInt_t	fTMask
std::vector < PndRichMirrorSegment * >	fMirrors
TVector3	fHitPosition
TVector3	fTrackPosition
TVector3	fTrackDirection
TVector3	fTrackPositionOld
TVector3	fTrackDirectionOld
std::vector< TVector3 >	fMirrRefPosition
Double_t	fLength
PndRichBarPoint *	fTrack

Detailed Description

Definition at line 20 of file PndRichPhoton.h.

Constructor & Destructor Documentation

PndRichPhoton::PndRichPhoton

(

)

Default constructor

Definition at line 15 of file PndRichPhoton.cxx.

                            :
  fPDHit(NULL),
  fDTime(0.),
  fTime(0.),
  fHitTime(0.),
  fTheta(0.),
  fPhi(0.),
  fTMask(0),
  fMirrors(),
  fHitPosition(0,0,0),
  fTrackPosition(0,0,0),
  fTrackDirection(0,0,0),
  fTrackPositionOld(0,0,0),
  fTrackDirectionOld(0,0,0),
  fMirrRefPosition(),
  fLength(0.),
  fTrack(NULL)
{  
}

PndRichPhoton::PndRichPhoton	(	Double_t	theta,
		Double_t	phi,
		UInt_t	tmask
	)

Definition at line 39 of file PndRichPhoton.cxx.

                                          :
  fPDHit(NULL),
  fDTime(0.),
  fTime(0.),
  fHitTime(0.),
  fTheta(theta),
  fPhi(phi),
  fTMask(tmask),
  fMirrors(),
  fHitPosition(0,0,0),
  fTrackPosition(0,0,0),
  fTrackDirection(0,0,0),
  fTrackPositionOld(0,0,0),
  fTrackDirectionOld(0,0,0),
  fMirrRefPosition(),
  fLength(0.),
  fTrack(NULL)
{    
}

PndRichPhoton::PndRichPhoton ( const PndRichPhoton &  photon )

inline

Copy constructor

Definition at line 33 of file PndRichPhoton.h.

                                             :
  fPDHit(photon.fPDHit),
  fDTime(photon.fDTime),
  fTime(photon.fTime),
  fHitTime(photon.fHitTime),
  fTheta(photon.fTheta),
  fPhi(photon.fPhi),
  fTMask(photon.fTMask),
  fMirrors(photon.fMirrors),
  fHitPosition(photon.fHitPosition),
  fTrackPosition(photon.fTrackPosition),
  fTrackDirection(photon.fTrackDirection),
  fTrackPositionOld(photon.fTrackPositionOld),
  fTrackDirectionOld(photon.fTrackDirectionOld),
  fMirrRefPosition(photon.fMirrRefPosition),
  fLength(photon.fLength),
  fTrack(photon.fTrack)
  {  };

PndRichPhoton::~PndRichPhoton ( )

virtual

Destructor

Definition at line 62 of file PndRichPhoton.cxx.

{}

Member Function Documentation

virtual TVector3 PndRichPhoton::GetHitPos ( )

inlinevirtual

Definition at line 94 of file PndRichPhoton.h.

References fHitPosition.

{return fHitPosition;}

Double_t PndRichPhoton::GetLength ( )

virtual

Definition at line 143 of file PndRichPhoton.cxx.

References fLength, fTrack, fTrackDirection, fTrackDirectionOld, fTrackPosition, fTrackPositionOld, PndRichBarPoint::GetAxisZ(), PndRichBarPoint::GetPosition0(), and TrackCalc().

{
   fTrackDirection = fTrack->GetAxisZ();
   fTrackPosition  = fTrack->GetPosition0();
   if ((fTrackDirection != fTrackDirectionOld)||(fTrackPosition != fTrackPositionOld))
      TrackCalc();
   return fLength;
}

virtual std::vector<PndRichMirrorSegment*> PndRichPhoton::GetMirror ( )

inlinevirtual

Definition at line 93 of file PndRichPhoton.h.

References fMirrors.

{return fMirrors;}

virtual std::vector<TVector3> PndRichPhoton::GetMirrRefPos ( )

inlinevirtual

Definition at line 95 of file PndRichPhoton.h.

References fMirrRefPosition.

{return fMirrRefPosition;}

Double_t PndRichPhoton::GetPhi ( )

virtual

Definition at line 170 of file PndRichPhoton.cxx.

References fPhi, fTrack, fTrackDirection, fTrackDirectionOld, fTrackPosition, fTrackPositionOld, PndRichBarPoint::GetAxisZ(), PndRichBarPoint::GetPosition0(), and TrackCalc().

{
   fTrackDirection = fTrack->GetAxisZ();
   fTrackPosition  = fTrack->GetPosition0();
   if ((fTrackDirection != fTrackDirectionOld)||(fTrackPosition != fTrackPositionOld))
      TrackCalc();
   return fPhi;
}

Double_t PndRichPhoton::GetTheta ( )

virtual

Definition at line 161 of file PndRichPhoton.cxx.

References fTheta, fTrack, fTrackDirection, fTrackDirectionOld, fTrackPosition, fTrackPositionOld, PndRichBarPoint::GetAxisZ(), PndRichBarPoint::GetPosition0(), and TrackCalc().

{
   fTrackDirection = fTrack->GetAxisZ();
   fTrackPosition  = fTrack->GetPosition0();
   if ((fTrackDirection != fTrackDirectionOld)||(fTrackPosition != fTrackPositionOld))
      TrackCalc();
   return fTheta;
}

Double_t PndRichPhoton::GetTime ( )

virtual

Definition at line 152 of file PndRichPhoton.cxx.

References fTime, fTrack, fTrackDirection, fTrackDirectionOld, fTrackPosition, fTrackPositionOld, PndRichBarPoint::GetAxisZ(), PndRichBarPoint::GetPosition0(), and TrackCalc().

{
   fTrackDirection = fTrack->GetAxisZ();
   fTrackPosition  = fTrack->GetPosition0();
   if ((fTrackDirection != fTrackDirectionOld)||(fTrackPosition != fTrackPositionOld))
      TrackCalc();
   return fTime;
}

virtual UInt_t PndRichPhoton::GetTMask ( )

inlinevirtual

Definition at line 92 of file PndRichPhoton.h.

References fTMask.

{return fTMask;}

virtual PndRichBarPoint* PndRichPhoton::GetTrack ( )

inlinevirtual

Definition at line 96 of file PndRichPhoton.h.

References fTrack.

{return fTrack;}

PndRichPhoton& PndRichPhoton::operator= ( const PndRichPhoton &  photon )

inline

Definition at line 53 of file PndRichPhoton.h.

References fDTime, fHitPosition, fHitTime, fLength, fMirrors, fMirrRefPosition, fPDHit, fPhi, fTheta, fTime, fTMask, fTrack, fTrackDirection, fTrackDirectionOld, fTrackPosition, and fTrackPositionOld.

  {
    if (this != &photon)
    {
      fPDHit = photon.fPDHit;
      fDTime = photon.fDTime;
      fTime = photon.fTime;
      fHitTime = photon.fHitTime;
      fTheta = photon.fTheta;
      fPhi = photon.fPhi;
      fTMask = photon.fTMask;
      fMirrors = photon.fMirrors;
      fHitPosition = photon.fHitPosition;
      fTrackPosition = photon.fTrackPosition;
      fTrackDirection = photon.fTrackDirection;
      fTrackPositionOld = photon.fTrackPositionOld;
      fTrackDirectionOld = photon.fTrackDirectionOld;
      fMirrRefPosition = photon.fMirrRefPosition;
      fLength = photon.fLength;
      fTrack = photon.fTrack;
    }
    return *this;
  };

void PndRichPhoton::Print ( const Option_t *  opt = "" ) const

virtual

Output to screen

Definition at line 180 of file PndRichPhoton.cxx.

References fTime.

                                                   {
  cout << "RICH Photon hit: Time = " << fTime << " opt="<<opt<<endl;
}

void PndRichPhoton::SetDTime ( Double_t  time )

inline

Definition at line 99 of file PndRichPhoton.h.

References fDTime.

{ fDTime = time; }

void PndRichPhoton::SetHitPos ( TVector3  hit )

inline

Definition at line 105 of file PndRichPhoton.h.

References fHitPosition, and hit.

Referenced by PndRichReco::AppendFlatMirrorReflections().

{ fHitPosition = hit; }

void PndRichPhoton::SetHitTime ( Double_t  hitTime )

inline

Definition at line 104 of file PndRichPhoton.h.

References fHitTime.

Referenced by PndRichReco::AppendFlatMirrorReflections().

{ fHitTime = hitTime; }

void PndRichPhoton::SetLength ( Double_t  length )

inline

Definition at line 98 of file PndRichPhoton.h.

References fLength.

{ fLength = length; }

void PndRichPhoton::SetMirror ( std::vector< PndRichMirrorSegment * >  mirrors )

inline

Definition at line 110 of file PndRichPhoton.h.

References fMirrors.

Referenced by PndRichReco::AppendFlatMirrorReflections().

{ fMirrors = mirrors; }

void PndRichPhoton::SetMirrRefPos ( std::vector< TVector3 >  pos )

inline

Definition at line 109 of file PndRichPhoton.h.

References fMirrRefPosition, and pos.

{ fMirrRefPosition = pos; }

void PndRichPhoton::SetPDHit ( PndRichPDHit *  hit )

inline

Definition at line 103 of file PndRichPhoton.h.

References fPDHit, and hit.

{ fPDHit = hit; }

void PndRichPhoton::SetPhi ( Double_t  phi )

inline

Definition at line 102 of file PndRichPhoton.h.

References fPhi, and phi.

{ fPhi = phi; }

void PndRichPhoton::SetTheta ( Double_t  theta )

inline

Definition at line 101 of file PndRichPhoton.h.

References fTheta, and theta.

{ fTheta = theta; }

void PndRichPhoton::SetTime ( Double_t  time )

inline

Definition at line 100 of file PndRichPhoton.h.

References fTime.

{ fTime = time; }

void PndRichPhoton::SetTrack ( PndRichBarPoint *  track )

inline

Definition at line 108 of file PndRichPhoton.h.

References fTrack, and track.

Referenced by PndRichReco::AppendFlatMirrorReflections().

{ fTrack = track; }

void PndRichPhoton::SetTrackDir ( TVector3  dir )

inline

Definition at line 107 of file PndRichPhoton.h.

References fTrackDirection.

{ fTrackDirection = dir; }

void PndRichPhoton::SetTrackPos ( TVector3  pos )

inline

Definition at line 106 of file PndRichPhoton.h.

References fTrackPosition, and pos.

{ fTrackPosition = pos; }

bool PndRichPhoton::TrackCalc ( )

virtual

Modifiers Accessors

Definition at line 65 of file PndRichPhoton.cxx.

References acos(), atan2(), Double_t, fabs(), fDTime, fHitPosition, fHitTime, fLength, fMirrors, fMirrRefPosition, fPhi, fTheta, fTime, fTrack, fTrackDirection, fTrackDirectionOld, fTrackPosition, fTrackPositionOld, PndRichBarPoint::GetAxisX(), PndRichBarPoint::GetAxisY(), PndRichBarPoint::GetAxisZ(), PndRichBarPoint::GetPosition0(), PndRichBarPoint::GetTime0(), p1, p2, t1, and t2.

Referenced by PndRichReco::AppendFlatMirrorReflections(), GetLength(), GetPhi(), GetTheta(), and GetTime().

{
   // coordinate system calculation
   TVector3 axisTx = fTrack->GetAxisX();
   TVector3 axisTy = fTrack->GetAxisY();
   fTrackDirection = fTrack->GetAxisZ();
   fTrackPosition  = fTrack->GetPosition0();
   fDTime          = fTrack->GetTime0();
   fTrackDirectionOld = fTrackDirection;
   fTrackPositionOld = fTrackPosition;
   // single reflection
   if (fMirrors.size()==0) {
      //fHitPosition = fPDHit->GetPosition();
      fMirrRefPosition.clear();
      fMirrRefPosition.push_back(fHitPosition);
      fLength = (fTrackPosition-fHitPosition).Mag();
      TVector3 nf = (fHitPosition-fTrackPosition).Unit();
      TVector3 nfT = (nf-fTrackDirection*(fTrackDirection*nf)).Unit();
      fTheta = std::acos(fTrackDirection*nf);
      fPhi = std::atan2(axisTy*nfT,axisTx*nfT);
      fTime = fHitTime - fLength/30 - fDTime;
      return true;      
   }
   // single reflection
   if (fMirrors.size()==1) {
      //fHitPosition = fPDHit->GetPosition();
      Double_t t1 = (fTrackPosition-fMirrors[0]->GetPoint())*fMirrors[0]->GetNormal();
      Double_t t2 = (fHitPosition-fMirrors[0]->GetPoint())*fMirrors[0]->GetNormal();
      TVector3 p1 = fTrackPosition-t1*fMirrors[0]->GetNormal();
      TVector3 p2 = fHitPosition-t2*fMirrors[0]->GetNormal();
      TVector3 p0 = (t2*p1+t1*p2)*(1.0/(t1+t2)); // point of reflection
      if ( std::fabs(p0.X()-fMirrors[0]->GetPoint().X())<fMirrors[0]->GetDims().X() &&
           std::fabs(p0.Y()-fMirrors[0]->GetPoint().Y())<fMirrors[0]->GetDims().Y() &&
           std::fabs(p0.Z()-fMirrors[0]->GetPoint().Z())<fMirrors[0]->GetDims().Z() ) {
         fMirrRefPosition.clear();
         fMirrRefPosition.push_back(p0);
         fLength = (fTrackPosition-p0).Mag()+(fHitPosition-p0).Mag();
         TVector3 nf = (p0-fTrackPosition).Unit();
         TVector3 nfT = (nf-fTrackDirection*(fTrackDirection*nf)).Unit();
         fTheta = std::acos(fTrackDirection*nf);
         fPhi = std::atan2(axisTy*nfT,axisTx*nfT);
         fTime = fHitTime - fLength/30 - fDTime;
         return true;
      } else return false;
   }
   // double reflections
   if (fMirrors.size()==2) {
      //fHitPosition = fPDHit->GetPosition();
      Double_t t1 = (fTrackPosition-fMirrors[0]->GetPoint())*fMirrors[0]->GetNormal();
      TVector3 p1 = fTrackPosition-2*fMirrors[0]->GetNormal()*t1;
      Double_t t2 = (fHitPosition-fMirrors[1]->GetPoint())*fMirrors[1]->GetNormal();
      TVector3 p2 = fHitPosition-2*fMirrors[1]->GetNormal()*t2;
      TVector3 dir = (p2-p1).Unit();
      t1 /= dir*fMirrors[0]->GetNormal();
      TVector3 q1 = p1+dir*t1;
      t2 /= dir*fMirrors[1]->GetNormal();
      TVector3 q2 = p2+dir*t2;
      if ( std::fabs(q1.X()-fMirrors[0]->GetPoint().X())<fMirrors[0]->GetDims().X() &&
           std::fabs(q1.Y()-fMirrors[0]->GetPoint().Y())<fMirrors[0]->GetDims().Y() &&
           std::fabs(q1.Z()-fMirrors[0]->GetPoint().Z())<fMirrors[0]->GetDims().Z() &&
           std::fabs(q2.X()-fMirrors[1]->GetPoint().X())<fMirrors[1]->GetDims().X() &&
           std::fabs(q2.Y()-fMirrors[1]->GetPoint().Y())<fMirrors[1]->GetDims().Y() &&
           std::fabs(q2.Z()-fMirrors[1]->GetPoint().Z())<fMirrors[1]->GetDims().Z() ) {
         fMirrRefPosition.clear();
         fMirrRefPosition.push_back(q1);
         fMirrRefPosition.push_back(q2);
         fLength = (fTrackPosition-q1).Mag()+(q2-q1).Mag()+(fHitPosition-q2).Mag();
         TVector3 nf = (q1-fTrackPosition).Unit();
         TVector3 nfT = (nf-fTrackDirection*(fTrackDirection*nf)).Unit();
         fTheta = std::acos(fTrackDirection*nf);
         fPhi = std::atan2(axisTy*nfT,axisTx*nfT);
         fTime = fHitTime - fLength/30 - fDTime;
         return true;
      }
   }
   return false;
}

Member Data Documentation

Double_t PndRichPhoton::fDTime

protected

Definition at line 115 of file PndRichPhoton.h.

Referenced by operator=(), SetDTime(), and TrackCalc().

TVector3 PndRichPhoton::fHitPosition

protected

Definition at line 121 of file PndRichPhoton.h.

Referenced by GetHitPos(), operator=(), SetHitPos(), and TrackCalc().

Double_t PndRichPhoton::fHitTime

protected

Definition at line 117 of file PndRichPhoton.h.

Referenced by operator=(), SetHitTime(), and TrackCalc().

Double_t PndRichPhoton::fLength

protected

Definition at line 127 of file PndRichPhoton.h.

Referenced by GetLength(), operator=(), SetLength(), and TrackCalc().

std::vector<PndRichMirrorSegment*> PndRichPhoton::fMirrors

protected

Definition at line 120 of file PndRichPhoton.h.

Referenced by GetMirror(), operator=(), SetMirror(), and TrackCalc().

std::vector<TVector3> PndRichPhoton::fMirrRefPosition

protected

Definition at line 126 of file PndRichPhoton.h.

Referenced by GetMirrRefPos(), operator=(), SetMirrRefPos(), and TrackCalc().

PndRichPDHit* PndRichPhoton::fPDHit

protected

Definition at line 114 of file PndRichPhoton.h.

Referenced by operator=(), and SetPDHit().

Double_t PndRichPhoton::fPhi

protected

Definition at line 118 of file PndRichPhoton.h.

Referenced by GetPhi(), operator=(), SetPhi(), and TrackCalc().

Double_t PndRichPhoton::fTheta

protected

Definition at line 118 of file PndRichPhoton.h.

Referenced by GetTheta(), operator=(), SetTheta(), and TrackCalc().

Double_t PndRichPhoton::fTime

protected

Definition at line 116 of file PndRichPhoton.h.

Referenced by GetTime(), operator=(), Print(), SetTime(), and TrackCalc().

UInt_t PndRichPhoton::fTMask

protected

Definition at line 119 of file PndRichPhoton.h.

Referenced by GetTMask(), and operator=().

PndRichBarPoint* PndRichPhoton::fTrack

protected

Definition at line 128 of file PndRichPhoton.h.

Referenced by GetLength(), GetPhi(), GetTheta(), GetTime(), GetTrack(), operator=(), SetTrack(), and TrackCalc().

TVector3 PndRichPhoton::fTrackDirection

protected

Definition at line 123 of file PndRichPhoton.h.

Referenced by GetLength(), GetPhi(), GetTheta(), GetTime(), operator=(), SetTrackDir(), and TrackCalc().

TVector3 PndRichPhoton::fTrackDirectionOld

protected

Definition at line 125 of file PndRichPhoton.h.

Referenced by GetLength(), GetPhi(), GetTheta(), GetTime(), operator=(), and TrackCalc().

TVector3 PndRichPhoton::fTrackPosition

protected

Definition at line 122 of file PndRichPhoton.h.

Referenced by GetLength(), GetPhi(), GetTheta(), GetTime(), operator=(), SetTrackPos(), and TrackCalc().

TVector3 PndRichPhoton::fTrackPositionOld

protected

Definition at line 124 of file PndRichPhoton.h.

Referenced by GetLength(), GetPhi(), GetTheta(), GetTime(), operator=(), and TrackCalc().

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The documentation for this class was generated from the following files:

• PndRichPhoton.h
• PndRichPhoton.cxx