CombinedExtrapolatorTest.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/

// CombinedExtrapolatorTest.h, (c) ATLAS Detector software
 
#ifndef TRKEXALGS_COMBINEDEXTRAPOLATORTEST_H
#define TRKEXALGS_COMBINEDEXTRAPOLATORTEST_H
 
// Gaudi includes
#include "AthenaBaseComps/AthAlgorithm.h"
#include "GaudiKernel/IRndmGenSvc.h"
#include "GaudiKernel/RndmGenerators.h"
#include "GaudiKernel/ToolHandle.h"
#include "GaudiKernel/SystemOfUnits.h"
#include <string>
 
#include "TrkExInterfaces/IExtrapolator.h"
 
 
namespace Trk 
{
  class Surface;
  class TrackingVolume;
  class TrackingGeometry;
  
 
  class CombinedExtrapolatorTest : public AthAlgorithm
    {
    public:

       CombinedExtrapolatorTest(const std::string& name, ISvcLocator* pSvcLocator);
       ~CombinedExtrapolatorTest();

       StatusCode          initialize();
       StatusCode          execute(const EventContext& ctx);
       StatusCode          finalize();
 
    private:
      ToolHandle<IExtrapolator> m_extrapolator
      {this, "Extrapolator", "Trk::Extrapolator/AtlasExtrapolator"};

      Rndm::Numbers* m_gaussDist = nullptr;
      Rndm::Numbers* m_flatDist = nullptr;
 
      DoubleProperty m_sigmaD0{this, "StartPerigeeSigmaD0", 17.*Gaudi::Units::micrometer};
      DoubleProperty m_minZ0{this, "StartPerigeeMinZ0", -25000.};
      DoubleProperty m_maxZ0{this, "StartPerigeeMaxZ0", +25000.};
      DoubleProperty m_minP{this, "StartPerigeeMinP", 0.5*Gaudi::Units::GeV};
      DoubleProperty m_maxP{this, "StartPerigeeMaxP", 50000.*Gaudi::Units::GeV};
 
      const Trk::TrackingVolume*   m_outerBoundary = nullptr;
      const Trk::TrackingGeometry* m_trackingGeometry = nullptr;
 
      IntegerProperty m_particleType{this, "ParticleType", Trk::muon,
    "the particle type for the extrap."};
 
      
    }; 
} // end of namespace
 
#endif