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geant4/examples/extended/medical/DICOM/include/DicomDetectorConstruction.hh
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// $Id: DicomDetectorConstruction.hh 101301 2016-11-14 11:19:22Z gcosmo $
//
/// \file medical/DICOM/include/DicomDetectorConstruction.hh
/// \brief Definition of the DicomDetectorConstruction class
//
#ifndef DicomDetectorConstruction_h
#define DicomDetectorConstruction_h 1
#include "globals.hh"
#include "G4VUserDetectorConstruction.hh"
#include "DicomPhantomZSliceHeader.hh"
#include <set>
#include <map>
class G4Material;
class G4Box;
class G4LogicalVolume;
class DicomPhantomZSliceMerged;
//*******************************************************
/// Dicom detector construction
///
/// - Start the building of the geometry
/// - Initialisation of materials
/// - Creation of the world
/// - Reading of the DICOM data
///
/// History: 30.11.07 First version
/// \author P. Arce
//*******************************************************
struct matInfo
{
G4double fSumdens;
G4int fNvoxels;
G4int fId;
};
class DicomDetectorConstruction : public G4VUserDetectorConstruction
{
public:
DicomDetectorConstruction();
~DicomDetectorConstruction();
virtual G4VPhysicalVolume* Construct();
// trigger the construction of the geometry
protected:
void InitialisationOfMaterials();
// create the original materials
void ReadPhantomData();
void ReadPhantomDataNew();
// read the DICOM files describing the phantom
void ReadVoxelDensities( std::ifstream& fin );
void ReadPhantomDataFile(const G4String& fname);
// read one of the DICOM files describing the phantom (usually one per Z slice).
// Build a DicomPhantomZSliceHeader for each file
void MergeZSliceHeaders();
// merge the slice headers of all the files
G4Material* BuildMaterialWithChangingDensity( const G4Material* origMate,
float density, G4String newMateName );
// build a new material if the density of the voxel is different to the other voxels
void ConstructPhantomContainer();
void ConstructPhantomContainerNew();
virtual void ConstructPhantom() = 0;
// construct the phantom volumes.
// This method should be implemented for each of the derived classes
void SetScorer(G4LogicalVolume* voxel_logic);
virtual void ConstructSDandField();
protected:
G4Material* fAir;
// World ...
G4Box* fWorld_solid;
G4LogicalVolume* fWorld_logic;
G4VPhysicalVolume* fWorld_phys;
G4Box* fContainer_solid;
G4LogicalVolume* fContainer_logic;
G4VPhysicalVolume* fContainer_phys;
G4int fNoFiles; // number of DICOM files
std::vector<G4Material*> fOriginalMaterials; // list of original materials
std::vector<G4Material*> fMaterials;
// list of new materials created to distinguish different density
// voxels that have the same original materials
size_t* fMateIDs; // index of material of each voxel
//unsigned int* fMateIDs; // index of material of each voxel
std::map<G4int,G4double> fDensityDiffs;
// Density difference to distinguish material for each original material (by index)
std::vector<DicomPhantomZSliceHeader*> fZSliceHeaders;
// list of z slice header (one per DICOM files)
DicomPhantomZSliceHeader* fZSliceHeaderMerged;
// z slice header resulted from merging all z slice headers
G4int fNVoxelX, fNVoxelY, fNVoxelZ;
G4double fVoxelHalfDimX, fVoxelHalfDimY, fVoxelHalfDimZ;
G4double fMinX,fMinY,fMinZ; // minimum extension of voxels (position of wall)
G4double fMaxX,fMaxY,fMaxZ; // maximum extension of voxels (position of wall)
std::map<G4int,G4Material*> thePhantomMaterialsOriginal;
// map numberOfMaterial to G4Material. They are the list of materials as built from .geom file
DicomPhantomZSliceMerged* fMergedSlices;
std::set<G4LogicalVolume*> fScorers;
G4bool fConstructed;
};
#endif