marlintpc::rb_Doublet Class Reference

Row based doublet. More...

#include <RowTripletBasedTrackFinderProcessor.h>

Public Member Functions
	rb_Doublet (rb_Hit *, rb_Hit *)
	Construct row based doublet. More...
bool	match (rb_Hit *, const double, const double) const
	Match doublet with third hit. More...
rb_Hit *	getHit (const int) const
	Get hit. More...
void	getParameters (double &, double &, double &, double &, double &, double &, double &, double &, double &, double &) const
	Get parameters. More...

Detailed Description

Row based doublet.

Is interpolation from outer hits (of triplet candidate). Has a position (with covariance) and (track and measurement) directions determined from first and last hit in XY and ZS.

Constructor & Destructor Documentation

marlintpc::rb_Doublet::rb_Doublet	(	rb_Hit *	hit1,
		rb_Hit *	hit2
	)

Construct row based doublet.

Parameters

[in]	hit1	first hit
[in]	hit2	second hit

References marlintpc::rb_Hit::getPhiMeas(), marlintpc::rb_Hit::getPos(), marlintpc::rb_Hit::getVarXY(), and marlintpc::rb_Hit::getVarZ().

Member Function Documentation

rb_Hit * marlintpc::rb_Doublet::getHit

(

const int

ihit

)

const

Get hit.

Parameters

[in]

ihit

hit index

Returns

hit

Referenced by marlintpc::rb_Triplet::rb_Triplet().

void marlintpc::rb_Doublet::getParameters	(	double &	x,
		double &	y,
		double &	z,
		double &	phiMeas,
		double &	phi,
		double &	dzds,
		double &	ds,
		double &	cosb,
		double &	varXY,
		double &	varZ
	)		const

Get parameters.

Parameters

[out]	x	x position
[out]	y	y position
[out]	z	z position
[out]	phiMeas	XY measurement direction
[out]	phi	XY direction
[out]	dzds	ZS slope
[out]	ds	(arc) length
[out]	cosb	cos(beta) (angle between measurement and normal to flight direction in XY)
[out]	varXY	(combined) XY variance
[out]	varZ	(combined) Z variance

Referenced by marlintpc::rb_Triplet::rb_Triplet().

bool marlintpc::rb_Doublet::match	(	rb_Hit *	hit,
		const double	distCut,
		const double	chi2Cut
	)		const

Match doublet with third hit.

Parameters

[in]	hit	(third) hit
[in]	distCut	coarse distance cut
[in]	chi2Cut	chi2 cut

Returns

flag

References marlintpc::rb_Hit::getDistXY(), marlintpc::rb_Hit::getDistZ(), marlintpc::rb_Hit::getVarXY(), and marlintpc::rb_Hit::getVarZ().

Referenced by marlintpc::RowTripletBasedTrackFinderProcessor::processEvent().

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

• RowTripletBasedTrackFinderProcessor.h
• RowTripletBasedTrackFinderProcessor.cc