IGeoIDSvc.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ISF_INTERFACES_IGEOIDSVC_H
#define ISF_INTERFACES_IGEOIDSVC_H 1
 
// Gaudi
#include "GaudiKernel/IInterface.h"
 
// Amg
#include "GeoPrimitives/GeoPrimitives.h"
 
// DetectorDescription
#include "AtlasDetDescr/AtlasRegion.h"
 
// ISF Simulation includes
#include "ISF_Event/ISFParticle.h"
 
namespace ISF {
 
  enum InsideType {
    fOutside        = 0,
    fSurface        = 1,
    fInside         = 2,
   // to be used to allocate arrays
    fNumInsideTypes = 3
  };

 
  class IGeoIDSvc : virtual public IInterface {
     public:

       virtual ~IGeoIDSvc(){}

       DeclareInterfaceID(IGeoIDSvc, 1, 0);

       virtual ISF::InsideType inside(const Amg::Vector3D &pos, AtlasDetDescr::AtlasRegion geoID) const = 0;
       inline  ISF::InsideType inside(const ISFParticle& sp, AtlasDetDescr::AtlasRegion geoID) const;
       inline  ISF::InsideType inside(double x, double y, double z, AtlasDetDescr::AtlasRegion geoID) const;

       virtual AtlasDetDescr::AtlasRegion identifyGeoID(const Amg::Vector3D &pos) const = 0;
       inline  AtlasDetDescr::AtlasRegion identifyGeoID(const ISFParticle& sp) const;
       inline  AtlasDetDescr::AtlasRegion identifyGeoID(double x, double y, double z) const;

       virtual AtlasDetDescr::AtlasRegion identifyNextGeoID(const Amg::Vector3D &pos, const Amg::Vector3D &dir) const = 0;
       inline  AtlasDetDescr::AtlasRegion identifyNextGeoID(const ISFParticle& sp) const;
       inline  AtlasDetDescr::AtlasRegion identifyNextGeoID(double x, double y, double z,
                                               double dx, double dy, double dz) const;

       inline  AtlasDetDescr::AtlasRegion identifyAndRegNextGeoID(ISFParticle& sp) const;
  };
 
 
  // inline methods (basically wrapper for ISFParticle/coord. -> HepGeom::Point3D<double>)
  //
  // inside() wrappers
  inline ISF::InsideType IGeoIDSvc::inside(const ISFParticle& sp, AtlasDetDescr::AtlasRegion geoID) const {
    return inside( sp.position(), geoID);
  }
  inline ISF::InsideType IGeoIDSvc::inside(double x, double y, double z, AtlasDetDescr::AtlasRegion geoID) const {
    const Amg::Vector3D pos(x, y, z);
    return inside( pos, geoID);
  }
 
  // identifyGeoID() wrappers
  inline AtlasDetDescr::AtlasRegion IGeoIDSvc::identifyGeoID(const ISFParticle &sp) const {
    return identifyGeoID( sp.position());
  }
  inline AtlasDetDescr::AtlasRegion IGeoIDSvc::identifyGeoID(double x, double y, double z) const {
    const Amg::Vector3D pos(x, y, z);
    return identifyGeoID( pos);
  }
 
  // identifyNextGeoID() wrappers
  inline AtlasDetDescr::AtlasRegion IGeoIDSvc::identifyNextGeoID(const ISFParticle& sp) const {
    return identifyNextGeoID( sp.position(), sp.momentum());
  }
  inline AtlasDetDescr::AtlasRegion IGeoIDSvc::identifyNextGeoID(double x, double y, double z,
                                                    double dx, double dy, double dz) const {
    const Amg::Vector3D pos(x, y, z);
    const Amg::Vector3D dir(dx, dy, dz);
    return identifyNextGeoID( pos, dir);
  }
 
  // identifyAndRegNextGeoID() wrapper
  inline  AtlasDetDescr::AtlasRegion IGeoIDSvc::identifyAndRegNextGeoID( ISFParticle& part) const {
    AtlasDetDescr::AtlasRegion geoID = identifyNextGeoID( part.position(), part.momentum());
    part.setNextGeoID(geoID);
    return geoID;
  }
 
} // end of namespace
 
#endif // ISF_INTERFACES_IGEOIDSVC_H