Main Page Namespace List Class Hierarchy Compound List File List Namespace Members Compound Members File Members

Atlfast::TestTrackViewer Class Reference

This is an Test Algorithm designed to show new users of Athena/Atlfast how to access and use Atlfast objects from the TES. More...

#include <TestTrackViewer.h>

Collaboration diagram for Atlfast::TestTrackViewer:

[legend]List of all members.


Public Methods
	TestTrackViewer (const std::string &name, ISvcLocator *pSvcLocator)
	Standard Athena-Algorithm Constructor.
virtual	~TestTrackViewer ()
	Default Constructor.
StatusCode	initialize ()
	Standard Athena-Algorithm method.
StatusCode	execute ()
	Standard Athena-Algorithm method.
StatusCode	finalize ()
	Standard Athena-Algorithm method.
Private Methods
void	testViewer (MsgStream &, std::vector< Track * > &)
Private Attributes
std::string	m_trackLocation
	location within the TES to find collections of Atlfast output objects
int	m_nevents
int	m_ntracks
TesIO *	m_tesIO

Detailed Description

This is an Test Algorithm designed to show new users of Athena/Atlfast how to access and use Atlfast objects from the TES.

Definition at line 66 of file TestTrackViewer.h.

Constructor & Destructor Documentation

Atlfast::TestTrackViewer::TestTrackViewer	(	const std::string &	name,
		ISvcLocator *	pSvcLocator
	)

Standard Athena-Algorithm Constructor.

Definition at line 42 of file TestTrackViewer.cxx.

References m_trackLocation.

00044     : Algorithm( name, pSvcLocator ){
00045     
00046     // Setting the parameter defaults.
00047     m_trackLocation      = "/Event/AtlfastTracks";
00048     declareProperty( "TrackLocation",    m_trackLocation ) ;
00049     
00050   }

Atlfast::TestTrackViewer::~TestTrackViewer ( ) [virtual]

Default Constructor.

Definition at line 53 of file TestTrackViewer.cxx.

00053                                     {
00054     MsgStream log( messageService(), name() ) ;
00055     log << MSG::INFO << "Destructor called" << endreq;
00056   }

Member Function Documentation

StatusCode Atlfast::TestTrackViewer::initialize

(

)

Standard Athena-Algorithm method.

Definition at line 63 of file TestTrackViewer.cxx.

References m_nevents, m_ntracks, m_tesIO, and m_trackLocation.

00063                                         {
00064     
00065     // We must here instantiate items which can only be made after
00066     // any job options have been set
00067     
00068     MsgStream log( messageService(), name() ) ;
00069     log << MSG::DEBUG << "Initialising" << endreq;
00070     HeaderPrinter hp("TestTrackViewer:",log);
00071     hp.add( "TrackLocation   ",   m_trackLocation ) ;
00072     hp.print();
00073 
00074     m_nevents = 0;
00075     m_ntracks = 0;
00076     //    m_tesIO = new TesIO(eventDataService());
00077     m_tesIO = new TesIO();
00078     
00079     return StatusCode::SUCCESS ;
00080   }

StatusCode Atlfast::TestTrackViewer::execute

(

)

Standard Athena-Algorithm method.

Definition at line 102 of file TestTrackViewer.cxx.

References m_nevents, m_tesIO, m_trackLocation, and testViewer().

00102                                       {
00103     
00104     //................................
00105     // make a message logging stream 
00106     
00107     MsgStream log( messageService(), name() ) ;
00108     ++m_nevents;
00109     
00110     
00111     //.........................................................
00112     // This is how you extract the things you want to look at. 
00113     // Look at the userguide for details of ReconstructedParticle, Cell
00114     // and Cluster classes
00115     std::vector<Track*> tracks;
00116     if(!m_tesIO->copy<TrackCollection >(tracks, m_trackLocation)){
00117       log << MSG::DEBUG 
00118           << "No Tracks found in TES at " 
00119           << m_trackLocation 
00120           << endreq ;
00121     }else{
00122       log << MSG::DEBUG 
00123           << "No. of Tracks found in TES  = " 
00124           << tracks.size() 
00125           << endreq ;
00126     }
00127     
00128     //.........................................................
00129     // Here are example things you might do
00130     
00131     
00132     if( tracks.size() ) this->testViewer( log, tracks ) ;
00133     
00134     return StatusCode::SUCCESS ;
00135     
00136   }

StatusCode Atlfast::TestTrackViewer::finalize

(

)

Standard Athena-Algorithm method.

Definition at line 87 of file TestTrackViewer.cxx.

References m_nevents, and m_ntracks.

00087                                       {
00088     MsgStream log( messageService(), name() ) ;
00089     log << MSG::INFO << "Finalizing" << endreq;
00090     log<<  MSG::INFO  << "Events Processed: "<<m_nevents<<endreq;
00091     log<<  MSG::INFO  << "Tracks Processed: "<<m_ntracks<<endreq;
00092     return StatusCode::SUCCESS ;
00093   }

void Atlfast::TestTrackViewer::testViewer	(	MsgStream &	,
		std::vector< Track * > &
	)	`[private]`

Definition at line 144 of file TestTrackViewer.cxx.

References m_ntracks, and AtlfAna::ITrackParameterView::trackParameters().

Referenced by execute().

00145                                                                {
00146     
00147     log << MSG::DEBUG << "Starting track view tester" << endreq ;
00148     
00149     
00150     
00151     // traverse collection of particles
00152     std::vector<Track*>::const_iterator track;
00153     
00154     for( track = tracks.begin(); track < tracks.end(); ++track ){
00155       
00156       log << MSG::DEBUG << *track << endreq;
00157       ++m_ntracks;
00158       TrackTrajectory traj = (*track)->trajectory();
00159       AtlfAna::AtlfTrackViewer trackViewer(*track);
00160       AtlfAna::ITrackParameterView& parameterView =  trackViewer;
00161       log<<MSG::DEBUG<<parameterView.trackParameters()<<endl;
00162       const ITrackParameters& tp = parameterView.trackParameters();
00163       double eps = 0.0000001;
00164       TrackParameters testParam = (*track)->trajectory().parameters();
00165       assert(abs( tp.eta()-testParam.eta() )                          < eps);
00166       assert(abs( tp.phi()-testParam.phi() )                          < eps);
00167       assert(abs( tp.cotTheta()-testParam.cotTheta() )                < eps);
00168       assert(abs( tp.impactParameter()-testParam.impactParameter() )  < eps);
00169       assert(abs( tp.zPerigee()-testParam.zPerigee() )                < eps);
00170       assert(abs( tp.invPtCharge()-testParam.invPtCharge() )          < eps);
00171       
00172     }
00173     
00174   }