JTRIGGER::JMatch3B< JHit_t > Class Template Reference

3D match criterion with road width. More...

#include <JMatch3B.hh>

Inheritance diagram for JTRIGGER::JMatch3B< JHit_t >:

Public Types
typedef JClonable< JClonable_t >::clone_type	clone_type

Public Member Functions
	JMatch3B (const double road_width_m, const double Tmax_ns=0.0)
	Constructor. More...
virtual bool	operator() (const JHit_t &first, const JHit_t &second) const
	Match operator. More...
virtual clone_type	clone () const
	Get clone of this object. More...

Public Attributes
double	roadWidth_m
double	TMaxExtra_ns

Private Attributes
double	D0
double	D1
double	D2
double	x
double	y
double	z
double	d
double	t
double	dmin
double	dmax
double	D02
double	D12
double	D22
double	Rs2
double	Rst
double	Rt
double	R2
double	d2

Detailed Description

template<class JHit_t>
class JTRIGGER::JMatch3B< JHit_t >

3D match criterion with road width.

This match algorithm is intented for muon signals.

B. Bakker, "Trigger studies for the Antares and KM3NeT detector.", Master thesis, University of Amsterdam.

Definition at line 34 of file JMatch3B.hh.

Member Typedef Documentation

clone_type

template<class JClonable_t, class JDerived_t>

typedef JClonable<JClonable_t>::clone_type JLANG::JClonable< JClonable_t, JDerived_t >::clone_type

inherited

Definition at line 61 of file JClonable.hh.

Constructor & Destructor Documentation

JMatch3B()

template<class JHit_t>

JTRIGGER::JMatch3B< JHit_t >::JMatch3B ( const double  road_width_m, const double  Tmax_ns = 0.0  )

inline

Constructor.

Parameters

road_width_m	maximal road width [m]
Tmax_ns	maximal extra time [ns]

Definition at line 44 of file JMatch3B.hh.

                                         :
      roadWidth_m (road_width_m),
      TMaxExtra_ns(Tmax_ns)
    {
      //
      // calculation D2 in thesis is wrong, here correct
      //
      const double tt2 = getTanThetaC() * getTanThetaC();
 
      D0 = roadWidth_m;
      D1 = roadWidth_m * 2.0;
      D2 = roadWidth_m * 0.5 * sqrt(tt2 + 10.0 + 9.0/tt2);
 
      D02 = D0 * D0;
      D12 = D1 * D1;
      D22 = D2 * D2;
 
      const double R  = roadWidth_m;
      const double Rs = R * getSinThetaC();
 
      R2  = R  * R;
      Rs2 = Rs * Rs;
      Rst = Rs * getTanThetaC();
      Rt  = R  * getTanThetaC();
    }

Member Function Documentation

operator()()

template<class JHit_t>

virtual bool JTRIGGER::JMatch3B< JHit_t >::operator() ( const JHit_t &  first, const JHit_t &  second  ) const

inlinevirtual

Match operator.

Parameters

first	hit
second	hit

Returns

match result

Definition at line 79 of file JMatch3B.hh.

    {
      x  = first.getX() - second.getX();
      y  = first.getY() - second.getY();
      z  = first.getZ() - second.getZ();
      d2 = x*x + y*y + z*z;
      t  = fabs(first.getT() - second.getT());
 
      if (d2 < D02)
        dmax = sqrt(d2) * getIndexOfRefraction();
      else 
        dmax = sqrt(d2 - Rs2) + Rst;
 
      if (t > dmax * getInverseSpeedOfLight()  +  TMaxExtra_ns) {
        return false;
      }
 
      if      (d2 > D22)
        dmin = sqrt(d2 - R2) - Rt;
      else if (d2 > D12)
        dmin = sqrt(d2 - D12);
      else
        return true;
 
      return t >= dmin * getInverseSpeedOfLight()  -  TMaxExtra_ns;
    }

clone()

template<class JClonable_t, class JDerived_t>

virtual clone_type JLANG::JClonable< JClonable_t, JDerived_t >::clone ( ) const

inlinevirtualinherited

Get clone of this object.

Returns

pointer to newly created object

Reimplemented in JPHYSICS::JPDFTransformer< 5, JArgument_t >, JPHYSICS::JPDFTransformer< 4, JArgument_t >, JPHYSICS::JPDFTransformer< 3, JArgument_t >, JPHYSICS::JPDFTransformer< 2, JArgument_t >, JTOOLS::JMultiMapTransformer< N, JArgument_t >::JMultiMapDefaultTransformer, JPHYSICS::JPDFTransformer< 1, JArgument_t >, JLANG::JClonable< JMatch< JTRIGGER::JHitR1 > >, and JLANG::JClonable< JMatch< JTRIGGER::JHitR1 >, JMatch3G< JTRIGGER::JHitR1 > >.

Definition at line 69 of file JClonable.hh.

    {
      return new JDerived_t(static_cast<const JDerived_t&>(*this));
    }

Member Data Documentation

roadWidth_m

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::roadWidth_m

Definition at line 107 of file JMatch3B.hh.

TMaxExtra_ns

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::TMaxExtra_ns

Definition at line 108 of file JMatch3B.hh.

D0

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::D0

private

Definition at line 111 of file JMatch3B.hh.

D1

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::D1

private

Definition at line 112 of file JMatch3B.hh.

D2

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::D2

private

Definition at line 113 of file JMatch3B.hh.

x

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::x

mutableprivate

Definition at line 114 of file JMatch3B.hh.

y

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::y

mutableprivate

Definition at line 115 of file JMatch3B.hh.

z

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::z

mutableprivate

Definition at line 116 of file JMatch3B.hh.

d

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::d

mutableprivate

Definition at line 117 of file JMatch3B.hh.

t

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::t

mutableprivate

Definition at line 118 of file JMatch3B.hh.

dmin

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::dmin

mutableprivate

Definition at line 119 of file JMatch3B.hh.

dmax

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::dmax

mutableprivate

Definition at line 120 of file JMatch3B.hh.

D02

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::D02

private

Definition at line 122 of file JMatch3B.hh.

D12

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::D12

private

Definition at line 123 of file JMatch3B.hh.

D22

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::D22

private

Definition at line 124 of file JMatch3B.hh.

Rs2

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::Rs2

private

Definition at line 125 of file JMatch3B.hh.

Rst

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::Rst

private

Definition at line 126 of file JMatch3B.hh.

Rt

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::Rt

private

Definition at line 127 of file JMatch3B.hh.

R2

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::R2

private

Definition at line 128 of file JMatch3B.hh.

d2

template<class JHit_t>

double JTRIGGER::JMatch3B< JHit_t >::d2

mutableprivate

Definition at line 129 of file JMatch3B.hh.

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

• JMatch3B.hh