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geant4/source/processes/electromagnetic/dna/utils/include/G4DNAMesh.hh
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2021-12-10 16:15:15 +00:00

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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. *
// ********************************************************************
//
//
#ifndef G4DNAMesh_hh
#define G4DNAMesh_hh 1
#include "globals.hh"
#include "G4DNABoundingBox.hh"
#include <vector>
#include <array>
#include <cmath>
#include <map>
#include <memory>
#include <sstream>
#include "G4MolecularConfiguration.hh"
#include "G4Track.hh"
class G4Voxel
{
public:
struct Index
{
Index()
: x(0)
, y(0)
, z(0)
{}
Index(int x0, int y0, int z0)
: x(x0)
, y(y0)
, z(z0)
{}
friend std::ostream& operator<<(std::ostream& stream, const Index& rhs)
{
stream << "(" << rhs.x << ", " << rhs.y << ", " << rhs.z << ")";
return stream;
}
G4bool operator==(const Index& rhs) const
{
return x == rhs.x && y == rhs.y && z == rhs.z;
}
G4bool operator!=(const Index& rhs) const
{
return x != rhs.x || y != rhs.y || z != rhs.z;
}
Index operator+(const Index& rhs) const
{
return { x + rhs.x, y + rhs.y, z + rhs.z };
}
int x, y, z;
};
using MolType = const G4MolecularConfiguration*;
using MapList = std::map<MolType, size_t>;
G4Voxel(MapList&& list, Index& index, G4DNABoundingBox&& box)
: fMapList(std::move(list))
, fIndex(index)
, fBox(std::move(box))
{}
~G4Voxel() = default;
const Index& GetIndex() const { return fIndex; }
MapList& GetMapList() { return fMapList; }
void SetMapList(MapList&& mapList) { fMapList = std::move(mapList); }
G4double GetVolume() const
{
auto xlo = fBox.Getxlo();
auto ylo = fBox.Getylo();
auto zlo = fBox.Getzlo();
auto xhi = fBox.Getxhi();
auto yhi = fBox.Getyhi();
auto zhi = fBox.Getzhi();
return (xhi - xlo) * (yhi - ylo) * (zhi - zlo);
}
private:
MapList fMapList;
Index fIndex;
G4DNABoundingBox fBox;
};
class G4DNAMesh
{
public:
using Index = G4Voxel::Index;
using Key = unsigned int;
using VoxelMap = std::map<Key, G4Voxel*>;
G4DNAMesh(const G4DNABoundingBox&, G4int);
~G4DNAMesh();
Key GetKey(const G4ThreeVector& pos) const;
Index GetIndex(Key key) const;
Index GetIndex(const G4ThreeVector& position) const;
G4Voxel* GetVoxel(Key key);
[[maybe_unused]] G4Voxel* GetVoxel(const Index& index);
size_t size() { return fMesh.size(); }
Index GetIndex(const Index& index, int) const;
std::vector<Index> FindVoxelNeighbors(const Index& index) const;
std::vector<Index> FindNeighboringVoxels(const Index& index) const;
void Reset();
G4Voxel::MapList& GetVoxelMapList(Key key);
G4Voxel::MapList& GetVoxelMapList(const Index& index);
Key GetKey(const Index& index) const;
VoxelMap::iterator end() { return fMesh.end(); }
VoxelMap::iterator begin() { return fMesh.begin(); }
VoxelMap::const_iterator end() const { return fMesh.end(); }
VoxelMap::const_iterator begin() const { return fMesh.begin(); }
void PrintMesh();
void PrintVoxel(const Index& index);
const G4DNABoundingBox& GetBoundingBox() const;
G4DNABoundingBox GetBoundingBox(const Index& index);
G4int GetNumberOfType(G4Voxel::MolType type) const;
void SetVoxelMapList(const Key& key, G4Voxel::MapList&& mapList);
G4double GetResolution() const;
private:
VoxelMap fMesh;
const G4DNABoundingBox* fpBoundingMesh;
G4double fResolution;
};
#endif