marlintpc::TrackFitterSimpleHelixProcessor Class Reference

A processor which instantiates a TrackFitterSimpleHelix and fits the tracks with it. More...

#include <TrackFitterSimpleHelixProcessor.h>

Inheritance diagram for marlintpc::TrackFitterSimpleHelixProcessor:

Public Member Functions
virtual Processor *	newProcessor ()
virtual void	init ()
virtual void	processRunHeader (EVENT::LCRunHeader *run)
virtual void	processEvent (EVENT::LCEvent *evt)
virtual void	check (EVENT::LCEvent *evt)
virtual void	end ()

Protected Attributes
std::string	_inputColName
	Name of the input collection.
std::string	_outputCollectionName
	Name of the output collection.
int	_outputIsTransient
EVENT::LCParameters *	_trackCollectionParameters
float	_d0Start
	the optional start parameters
float	_phiStart
float	_omegaStart
float	_tanLambdaStart
float	_z0Start

Detailed Description

A processor which instantiates a TrackFitterSimpleHelix and fits the tracks with it.

Author

F. Mueller

Input - Prerequisites

• A collection of track candidates (lcio::Tracks) containing the TrackerHits.
  Note: The LCIO::TRBIT_HITS flag has to be set when this collection is created so the hits are stored in the track.

Output

• Collection of fitted tracks.

Parameters

InputTrackCandidates	The the name of the input collection of track candidates (default: TPCSeedTracks)
OutputTracks	The name of the collection the straight tracks be stored under (default: TPCHelixTracks)
SetOutputTransient	If not 0 the output collection is set transient (default: 0)

The parameters for the starting values of the fit are optional parameter. If the parameter is given, it is use. If the parameter is not given the value from the seed track is used.

Parameters

D0Start	optional Use this start value for D0 instead of the value from the seed track
TanLambdaStart	optional Use this start value for TanLambda instead of the value from the seed track
Z0Start	optional Use this start value for Z0 instead of the value from the seed track
OmegaStart	optional Use this start value for Omega instead of the value from the seed track
PhiStart	optional Use this start value for Phi instead of the value from the seed track

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

• TrackFitterSimpleHelixProcessor.h
• TrackFitterSimpleHelixProcessor.cc