DerivationFramework::ThinningToolExample Class Reference

#include <ThinningToolExample.h>

Inheritance diagram for DerivationFramework::ThinningToolExample:

Collaboration diagram for DerivationFramework::ThinningToolExample:

Public Member Functions
	ThinningToolExample (const std::string &t, const std::string &n, const IInterface *p)
	Constructor with parameters. More...
virtual	~ThinningToolExample ()
	Destructor. More...
virtual StatusCode	initialize () override
virtual StatusCode	finalize () override
virtual StatusCode	doThinning () const override
	Check that the current event passes this filter. More...

Private Attributes
StringProperty	m_streamName { this, "StreamName", "", "Name of the stream being thinned" }
SG::ThinningHandleKey< xAOD::TrackParticleContainer >	m_inDetSGKey { this, "InDetTrackParticlesKey", "InDetTrackParticles", "" }
std::atomic< unsigned int >	m_ntot
std::atomic< unsigned int >	m_npass
double	m_trackPtCut

Detailed Description

Author

James Catmore -at- cern.ch

Definition at line 31 of file ThinningToolExample.h.

Constructor & Destructor Documentation

ThinningToolExample()

DerivationFramework::ThinningToolExample::ThinningToolExample	(	const std::string &	t,
		const std::string &	n,
		const IInterface *	p
	)

Constructor with parameters.

Definition at line 20 of file ThinningToolExample.cxx.

                                                                              : 
  base_class(t,n,p),
  m_ntot(0),
  m_npass(0),
  m_trackPtCut(20.0)
  {
    declareProperty("TrackPtCut", m_trackPtCut);    
  }

~ThinningToolExample()

DerivationFramework::ThinningToolExample::~ThinningToolExample ( )

virtual

Destructor.

Definition at line 32 of file ThinningToolExample.cxx.

                                                             {
}  

Member Function Documentation

doThinning()

StatusCode DerivationFramework::ThinningToolExample::doThinning ( ) const

overridevirtual

Check that the current event passes this filter.

Definition at line 50 of file ThinningToolExample.cxx.

{
      const EventContext& ctx = Gaudi::Hive::currentContext();
 
      // Get the track container
      SG::ThinningHandle<xAOD::TrackParticleContainer> tracks (m_inDetSGKey, ctx);
      m_ntot+=tracks->size();   
      // Loop over tracks, see if they pass, set mask
      std::vector<bool> mask;
      for (xAOD::TrackParticleContainer::const_iterator trackIt=tracks->begin(); trackIt!=tracks->end(); ++trackIt) {
         if ( (*trackIt)->pt() > m_trackPtCut ) {++m_npass; mask.push_back(true);}
         else { mask.push_back(false); }
     }
     tracks.keep (mask);
 
     return StatusCode::SUCCESS;
}  

finalize()

StatusCode DerivationFramework::ThinningToolExample::finalize ( )

overridevirtual

Definition at line 42 of file ThinningToolExample.cxx.

{
     ATH_MSG_VERBOSE("finalize() ...");
     ATH_MSG_INFO("Processed "<< m_ntot <<" tracks, "<< m_npass<< " were retained ");
     return StatusCode::SUCCESS;
}

initialize()

StatusCode DerivationFramework::ThinningToolExample::initialize ( )

overridevirtual

Definition at line 36 of file ThinningToolExample.cxx.

{
     ATH_MSG_VERBOSE("initialize() ...");
     ATH_CHECK( m_inDetSGKey.initialize (m_streamName) );
     return StatusCode::SUCCESS;
}

Member Data Documentation

m_inDetSGKey

SG::ThinningHandleKey<xAOD::TrackParticleContainer> DerivationFramework::ThinningToolExample::m_inDetSGKey { this, "InDetTrackParticlesKey", "InDetTrackParticles", "" }

private

Definition at line 50 of file ThinningToolExample.h.

m_npass

std::atomic<unsigned int> DerivationFramework::ThinningToolExample::m_npass

mutableprivate

Definition at line 54 of file ThinningToolExample.h.

m_ntot

std::atomic<unsigned int> DerivationFramework::ThinningToolExample::m_ntot

mutableprivate

Definition at line 53 of file ThinningToolExample.h.

m_streamName

StringProperty DerivationFramework::ThinningToolExample::m_streamName { this, "StreamName", "", "Name of the stream being thinned" }

private

Definition at line 48 of file ThinningToolExample.h.

m_trackPtCut

double DerivationFramework::ThinningToolExample::m_trackPtCut

private

Definition at line 55 of file ThinningToolExample.h.

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

• ThinningToolExample.h
• ThinningToolExample.cxx