fireworks::StateOrdering Class Reference

#include <TrackUtils.h>

List of all members.

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

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Detailed Description

Definition at line 48 of file TrackUtils.h.

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Constructor & Destructor Documentation

fireworks::StateOrdering::StateOrdering

(

const TEveVector &

momentum

)

[inline]

Definition at line 51 of file TrackUtils.h.

References m_direction.

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

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Member Function Documentation

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

Definition at line 55 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;
   }

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Member Data Documentation

TEveVector fireworks::StateOrdering::m_direction [private]

Definition at line 49 of file TrackUtils.h.

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