109 lines
4.2 KiB
C++
109 lines
4.2 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// Author: P. Arce
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// History: 30.11.07 First version
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//*******************************************************
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//
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// DicomDetectorConstruction.hh :
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// - Start the building of the geometry
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// - Initialisation of materials
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// - Creation of the world
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// - Reading of the DICOM data
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//*******************************************************
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#ifndef DicomDetectorConstruction_h
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#define DicomDetectorConstruction_h 1
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#include "globals.hh"
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#include "G4VUserDetectorConstruction.hh"
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#include "DicomPatientZSliceHeader.hh"
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class G4Material;
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class G4Box;
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class G4LogicalVolume;
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class DicomDetectorConstruction : public G4VUserDetectorConstruction
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{
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public:
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DicomDetectorConstruction();
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~DicomDetectorConstruction();
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G4VPhysicalVolume* Construct();
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// trigger the construction of the geometry
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protected:
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void InitialisationOfMaterials();
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// create the original materials
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void ReadPatientData();
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// read the DICOM files describing the patient
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void ReadPatientDataFile(const G4String& fname);
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// read one of the DICOM files describing the patient (usually one per Z slice). Build a DicomPatientZSliceHeader for each file
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void MergeZSliceHeaders();
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// merge the slice headers of all the files
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G4Material* BuildMaterialWithChangingDensity( const G4Material* origMate, float density, G4String newMateName );
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// build a new material if the density of the voxel is different to the other voxels
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G4String ftoa(float flo);
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// convert a float to a string
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void ConstructPatientContainer();
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virtual void ConstructPatient() = 0;
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// construct the patient volumes. This method should be implemented for each of the derived classes
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protected:
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G4Material* air;
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// World ...
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G4Box* world_solid;
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G4LogicalVolume* world_logic;
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G4VPhysicalVolume* world_phys;
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G4Box* container_solid;
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G4LogicalVolume* container_logic;
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G4VPhysicalVolume* container_phys;
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G4int fNoFiles; // number of DICOM files
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std::vector<G4Material*> fOriginalMaterials; // list of original materials
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std::vector<G4Material*> fMaterials; // list of new materials created to distinguish different density voxels that have the same original materials
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size_t* fMateIDs; // index of material of each voxel
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std::map<G4int,G4double> fDensityDiffs; // Density difference to distinguish material for each original material (by index)
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std::vector<DicomPatientZSliceHeader*> fZSliceHeaders; // list of z slice header (one per DICOM files)
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DicomPatientZSliceHeader* fZSliceHeaderMerged; // z slice header resulted from merging all z slice headers
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G4int nVoxelX, nVoxelY, nVoxelZ;
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G4double voxelHalfDimX, voxelHalfDimY, voxelHalfDimZ;
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};
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#endif
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