Gaudi::Example::TinyExperiment::GeneratorAlg Class Reference

Generator algorithm returning a set of random tracks. More...

Inheritance diagram for Gaudi::Example::TinyExperiment::GeneratorAlg:

Collaboration diagram for Gaudi::Example::TinyExperiment::GeneratorAlg:

Public Member Functions
	GeneratorAlg (const std::string &name, ISvcLocator *pSvcLocator)
MCTracks	operator() (EventContext const &ctx) const override

Private Attributes
ServiceHandle< IRandomGenSvc >	m_rndSvc
Gaudi::Property< unsigned int >	m_nbTracksToGenerate { this, "NbTracksToGenerate", 10 }
Gaudi::Accumulators::AveragingCounter	m_thetas { this, "Theta values" }

Detailed Description

Generator algorithm returning a set of random tracks.

Definition at line 26 of file GeneratorAlg.cpp.

Constructor & Destructor Documentation

GeneratorAlg()

Gaudi::Example::TinyExperiment::GeneratorAlg::GeneratorAlg ( const std::string & name, ISvcLocator * pSvcLocator )

inline

Definition at line 28 of file GeneratorAlg.cpp.

        : Transformer( name, pSvcLocator, { "MCTracksLocation", "/Event/MCTracks" } ) {}

Member Function Documentation

operator()()

MCTracks Gaudi::Example::TinyExperiment::GeneratorAlg::operator() ( EventContext const & ctx ) const

inlineoverride

Definition at line 31 of file GeneratorAlg.cpp.

                                                                  {
      MCTracks tracks;
      tracks.reserve( m_nbTracksToGenerate );
      std::normal_distribution dist( 0.0f, (float)M_PI / 4 ); // µ, σ
      auto                     engine = m_rndSvc->getEngine( ctx.evt() );
      for ( unsigned int i = 0; i < m_nbTracksToGenerate; i++ ) {
        auto theta = dist( engine );
        m_thetas += theta;
        tracks.emplace_back( theta );
      }
      return tracks;
    };

Member Data Documentation

m_nbTracksToGenerate

Gaudi::Property<unsigned int> Gaudi::Example::TinyExperiment::GeneratorAlg::m_nbTracksToGenerate { this, "NbTracksToGenerate", 10 }

private

Definition at line 47 of file GeneratorAlg.cpp.

{ this, "NbTracksToGenerate", 10 };

m_rndSvc

ServiceHandle<IRandomGenSvc> Gaudi::Example::TinyExperiment::GeneratorAlg::m_rndSvc

private

Initial value:

{ this, "RandomGenSvc", "RandomGenSvc",
                                           "A service providing a thread safe random number generator" }

Definition at line 45 of file GeneratorAlg.cpp.

                                                            { this, "RandomGenSvc", "RandomGenSvc",
                                           "A service providing a thread safe random number generator" };

m_thetas

Gaudi::Accumulators::AveragingCounter Gaudi::Example::TinyExperiment::GeneratorAlg::m_thetas { this, "Theta values" }

mutableprivate

Definition at line 48 of file GeneratorAlg.cpp.

{ this, "Theta values" };

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

• GaudiExamples/TinyExperiment/src/GeneratorAlg.cpp