fireworks::StateOrdering Class Reference

#include <TrackUtils.h>

Public Member Functions
bool	operator() (const State &state1, const State &state2) const
	StateOrdering (const TEveVector &momentum)

Private Attributes
TEveVector	m_direction

Detailed Description

Definition at line 47 of file TrackUtils.h.

Constructor & Destructor Documentation

fireworks::StateOrdering::StateOrdering ( const TEveVector &  momentum )

inline

Definition at line 50 of file TrackUtils.h.

References m_direction.

                                               {
      m_direction = momentum;
      m_direction.Normalize();
   }

Member Function Documentation

bool fireworks::StateOrdering::operator() ( const State &  state1, const State &  state2  ) const

inline

Definition at line 54 of file TrackUtils.h.

References m_direction, and fireworks::State::position.

                                                 {
      double product1 = state1.position.Perp()*(state1.position.fX*m_direction.fX + state1.position.fY*m_direction.fY>0 ? 1 : -1);
      double product2 = state2.position.Perp()*(state2.position.fX*m_direction.fX + state2.position.fY*m_direction.fY>0 ? 1 : -1);
      return product1 < product2;
   }

Member Data Documentation

TEveVector fireworks::StateOrdering::m_direction

private

Definition at line 48 of file TrackUtils.h.

Referenced by operator()(), and StateOrdering().