DerivationFramework::ThinningToolExample Class Reference

#include <ThinningToolExample.h>

Inheritance diagram for DerivationFramework::ThinningToolExample:

Collaboration diagram for DerivationFramework::ThinningToolExample:

Public Member Functions
virtual	~ThinningToolExample ()
	Destructor.
virtual StatusCode	initialize () override
virtual StatusCode	finalize () override
virtual StatusCode	doThinning () const override
	Check that the current event passes this filter.

Private Attributes
Gaudi::Property< std::string >	m_streamName { this, "StreamName", "", "Name of the stream being thinned" }
Gaudi::Property< double >	m_trackPtCut { this, "TrackPtCut", 20.0, "Track p_T cut in GeV" }
SG::ThinningHandleKey< xAOD::TrackParticleContainer >	m_inDetSGKey { this, "InDetTrackParticlesKey", "InDetTrackParticles", "Key for track particle container" }
std::atomic< unsigned int >	m_ntot {0}
std::atomic< unsigned int >	m_npass {0}

Detailed Description

Author

James Catmore -at- cern.ch

Definition at line 26 of file ThinningToolExample.h.

Constructor & Destructor Documentation

~ThinningToolExample()

DerivationFramework::ThinningToolExample::~ThinningToolExample ( )

virtual

Destructor.

Definition at line 21 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 41 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 (const xAOD::TrackParticle* track : *tracks) {
         if ( track->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 33 of file ThinningToolExample.cxx.

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

initialize()

StatusCode DerivationFramework::ThinningToolExample::initialize ( )

overridevirtual

Definition at line 26 of file ThinningToolExample.cxx.

{
     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", "Key for track particle container" }

private

Definition at line 49 of file ThinningToolExample.h.

{ this, "InDetTrackParticlesKey", "InDetTrackParticles", "Key for track particle container" };

m_npass

std::atomic<unsigned int> DerivationFramework::ThinningToolExample::m_npass {0}

mutableprivate

Definition at line 53 of file ThinningToolExample.h.

{0};

m_ntot

std::atomic<unsigned int> DerivationFramework::ThinningToolExample::m_ntot {0}

mutableprivate

Definition at line 52 of file ThinningToolExample.h.

{0};

m_streamName

Gaudi::Property<std::string> DerivationFramework::ThinningToolExample::m_streamName { this, "StreamName", "", "Name of the stream being thinned" }

private

Definition at line 43 of file ThinningToolExample.h.

{ this, "StreamName", "", "Name of the stream being thinned" };

m_trackPtCut

Gaudi::Property<double> DerivationFramework::ThinningToolExample::m_trackPtCut { this, "TrackPtCut", 20.0, "Track p_T cut in GeV" }

private

Definition at line 46 of file ThinningToolExample.h.

{ this, "TrackPtCut", 20.0, "Track p_T cut in GeV" };

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

• ThinningToolExample.h
• ThinningToolExample.cxx