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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
// Author: Mathieu Karamitros
// The code is developed in the framework of the ESA AO7146
//
// We would be very happy hearing from you, send us your feedback! :)
//
// In order for Geant4-DNA to be maintained and still open-source,
// article citations are crucial.
// If you use Geant4-DNA chemistry and you publish papers about your software,
// in addition to the general paper on Geant4-DNA:
//
// Int. J. Model. Simul. Sci. Comput. 1 (2010) 157178
//
// we would be very happy if you could please also cite the following
// reference papers on chemistry:
//
// J. Comput. Phys. 274 (2014) 841-882
// Prog. Nucl. Sci. Tec. 2 (2011) 503-508
#ifndef G4ITFinder_hh
#define G4ITFinder_hh 1
#include <G4AllITFinder.hh>
#include "globals.hh"
#include <map>
#include "G4KDTree.hh"
#include "G4KDTreeResult.hh"
#include "G4Track.hh"
#include "G4ITTrackHolder.hh"
class G4VITFinder
{
public:
G4VITFinder() = default;
virtual ~G4VITFinder() = default;
virtual void Clear() = 0;
virtual void Push(G4Track* track) = 0;
virtual G4ITType GetITType() = 0;
virtual void UpdatePositionMap() = 0;
protected:
G4int fVerbose = 0;
};
/**
* Localize the nearest neighbor
* For now, G4KDTree is used
*/
template <class T> //, class SearcherT = G4KDTree>
class G4ITFinder : public G4VITFinder
{
public:
static G4ITFinder* Instance();
~G4ITFinder() override;
void Clear() override;
void SetVerboseLevel(G4int level) { fVerbose = level; }
G4int GetVerboseLevel() { return fVerbose; }
void Push(G4Track* track) override;
G4ITType GetITType() override { return T::ITType(); }
void UpdatePositionMap() override;
G4KDTreeResultHandle FindNearestInRange(const T* point /*from this point*/,
G4int key /*for this type*/,
G4double /*range*/);
G4KDTreeResultHandle FindNearest(const G4ThreeVector&,
G4int key /*for this type*/);
G4KDTreeResultHandle FindNearest(const T* /*from this point*/,
G4int key /*for this type*/);
G4KDTreeResultHandle FindNearestInRange(
const G4ThreeVector& /*from this point*/, G4int key /*for this type*/,
G4double /*range*/);
G4KDTreeResultHandle FindNearest(const T* /*from this point*/,
const T* /*for this type*/);
private:
static G4ThreadLocal G4ITFinder* fInstance;
G4ITFinder();
using TreeMap = std::map<G4int, G4KDTree*> ;
TreeMap fTree;
};
#ifdef TEMPLATE
# undef TEMPLATE
#endif
#define TEMPLATE template <class T>
#define G4ITMANAGER G4ITFinder<T>
#include "G4ITFinder.icc"
#undef TEMPLATE
#undef G4ITMANAGER
#endif