marlintpc::TrackFinderHoughTrafoProcessor Class Reference

uses the hough transformation to find hits on straight tracks. More...

#include <TrackFinderHoughTrafoProcessor.h>

Inheritance diagram for marlintpc::TrackFinderHoughTrafoProcessor:

Classes
struct	TrackProperties
	nested helper class that stores the properties of a straight track. More...

Public Types
typedef std::vector < TrackProperties >	TPVec

Public Member Functions
virtual Processor *	newProcessor ()
virtual void	init ()
virtual void	processRunHeader (lcio::LCRunHeader *run)
virtual void	processEvent (lcio::LCEvent *evt)
virtual void	check (lcio::LCEvent *evt)
virtual void	end ()
virtual double	distanceToTrackFinder (const double *pos, DoubleVec par, std::string _trackType)
virtual TrackProperties	maxBinFinder (AIDA::IHistogram2D *histo)

Static Public Member Functions
static bool	sortPredicate (const TrackProperties &lhs, const TrackProperties &rhs)

Protected Attributes
std::string	_inputColName
std::string	_outputColName
std::string	_trackType
double	_maxDistanceToTrack
int	_nHitsOnTrack
int	_chipID
int	_outputIsTransient
	give the status which is set to the transient flag of the output collection it is an int instead of a boolean, because the processor parameter cannot be a boolean
int	_nRun
double	a
double	b
int	_houghSpaceNBinsA
	The number of bins in the hough space histogram in 'a' direction.
int	_houghSpaceNBinsB
	The number of bins in the hough space histogram in 'b' direction.
float	_houghSpaceMaxA
	The half range (-max..max) of the hough space histogram in 'a' direction.
float	_houghSpaceMaxB
	The half range (-max–max) of the hough space histogram in 'b' direction.

Detailed Description

uses the hough transformation to find hits on straight tracks.

track parameters can be used as starting values for the TrackFitter

handling of conditions data is done by the ConditionsProcessor

Input - Prerequisites

a collection of TrackerHits

Output

collection of Tracks

Parameters

InputCollectionName	Name of the input collection (default: TimePixHits)
OutputCollectionName	Name of the output collection (default: TimePixTrackCandidates)
SetOutputTransient	If not 0 the output collection is set transient (default: 0)

Author

Simone Zimmermann

Member Data Documentation

int marlintpc::TrackFinderHoughTrafoProcessor::_chipID

protected

• number of current chip, 0 if single chip

std::string marlintpc::TrackFinderHoughTrafoProcessor::_inputColName

protected

• the name of the input collection

double marlintpc::TrackFinderHoughTrafoProcessor::_maxDistanceToTrack

protected

• Maximum distance of a hit to the track in mm

int marlintpc::TrackFinderHoughTrafoProcessor::_nHitsOnTrack

protected

• minimum nuber if hits on track

int marlintpc::TrackFinderHoughTrafoProcessor::_nRun

protected

• counts the processed runs

std::string marlintpc::TrackFinderHoughTrafoProcessor::_outputColName

protected

• the name of the output collection

std::string marlintpc::TrackFinderHoughTrafoProcessor::_trackType

protected

• the type of track, that is looked for

double marlintpc::TrackFinderHoughTrafoProcessor::a

protected

• parameter of hough transformation

double marlintpc::TrackFinderHoughTrafoProcessor::b

protected

• parameter of hough transformation

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

• TrackFinderHoughTrafoProcessor.h
• TrackFinderHoughTrafoProcessor.cc