DerivationFramework::ThinningToolExample Class Reference

#include <ThinningToolExample.h>

Inheritance diagram for DerivationFramework::ThinningToolExample:

Collaboration diagram for DerivationFramework::ThinningToolExample:

Public Member Functions
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
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.

m_npass

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

mutableprivate

Definition at line 53 of file ThinningToolExample.h.

m_ntot

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

mutableprivate

Definition at line 52 of file ThinningToolExample.h.

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.

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.

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

• ThinningToolExample.h
• ThinningToolExample.cxx