[807] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // Author: P. Arce |
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| 27 | // History: 30.11.07 First version |
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| 28 | //******************************************************* |
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| 29 | // |
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| 30 | // DicomDetectorConstruction.hh : |
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| 31 | // - Start the building of the geometry |
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| 32 | // - Initialisation of materials |
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| 33 | // - Creation of the world |
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| 34 | // - Reading of the DICOM data |
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| 35 | //******************************************************* |
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| 36 | |
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| 37 | #ifndef DicomDetectorConstruction_h |
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| 38 | #define DicomDetectorConstruction_h 1 |
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| 39 | |
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| 40 | #include "globals.hh" |
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| 41 | #include "G4VUserDetectorConstruction.hh" |
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| 42 | #include "DicomPatientZSliceHeader.hh" |
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| 43 | |
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| 44 | class G4Material; |
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| 45 | class G4Box; |
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| 46 | class G4LogicalVolume; |
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| 47 | |
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| 48 | class DicomDetectorConstruction : public G4VUserDetectorConstruction |
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| 49 | { |
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| 50 | public: |
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| 51 | |
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| 52 | DicomDetectorConstruction(); |
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| 53 | ~DicomDetectorConstruction(); |
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| 54 | |
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| 55 | G4VPhysicalVolume* Construct(); |
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| 56 | // trigger the construction of the geometry |
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| 57 | |
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| 58 | protected: |
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| 59 | void InitialisationOfMaterials(); |
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| 60 | // create the original materials |
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| 61 | |
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| 62 | void ReadPatientData(); |
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| 63 | // read the DICOM files describing the patient |
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| 64 | |
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| 65 | void ReadPatientDataFile(const G4String& fname); |
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| 66 | // read one of the DICOM files describing the patient (usually one per Z slice). Build a DicomPatientZSliceHeader for each file |
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| 67 | |
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| 68 | void MergeZSliceHeaders(); |
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| 69 | // merge the slice headers of all the files |
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| 70 | |
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| 71 | G4Material* BuildMaterialWithChangingDensity( const G4Material* origMate, float density, G4String newMateName ); |
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| 72 | // build a new material if the density of the voxel is different to the other voxels |
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| 73 | |
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| 74 | G4String ftoa(float flo); |
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| 75 | // convert a float to a string |
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| 76 | |
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| 77 | void ConstructPatientContainer(); |
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| 78 | virtual void ConstructPatient() = 0; |
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| 79 | // construct the patient volumes. This method should be implemented for each of the derived classes |
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| 80 | |
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| 81 | protected: |
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| 82 | G4Material* air; |
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| 83 | |
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| 84 | // World ... |
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| 85 | G4Box* world_solid; |
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| 86 | G4LogicalVolume* world_logic; |
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| 87 | G4VPhysicalVolume* world_phys; |
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| 88 | |
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| 89 | G4Box* container_solid; |
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| 90 | G4LogicalVolume* container_logic; |
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| 91 | G4VPhysicalVolume* container_phys; |
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| 92 | |
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| 93 | G4int fNoFiles; // number of DICOM files |
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| 94 | std::vector<G4Material*> fOriginalMaterials; // list of original materials |
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| 95 | std::vector<G4Material*> fMaterials; // list of new materials created to distinguish different density voxels that have the same original materials |
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| 96 | size_t* fMateIDs; // index of material of each voxel |
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| 97 | |
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| 98 | std::map<G4int,G4double> fDensityDiffs; // Density difference to distinguish material for each original material (by index) |
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| 99 | |
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| 100 | std::vector<DicomPatientZSliceHeader*> fZSliceHeaders; // list of z slice header (one per DICOM files) |
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| 101 | DicomPatientZSliceHeader* fZSliceHeaderMerged; // z slice header resulted from merging all z slice headers |
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| 102 | |
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| 103 | G4int nVoxelX, nVoxelY, nVoxelZ; |
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| 104 | G4double voxelHalfDimX, voxelHalfDimY, voxelHalfDimZ; |
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| 105 | }; |
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| 106 | |
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| 107 | #endif |
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| 108 | |
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