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 | void SetScorer(G4LogicalVolume* voxel_logic); |
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82 | |
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83 | protected: |
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84 | G4Material* air; |
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85 | |
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86 | // World ... |
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87 | G4Box* world_solid; |
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88 | G4LogicalVolume* world_logic; |
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89 | G4VPhysicalVolume* world_phys; |
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90 | |
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91 | G4Box* container_solid; |
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92 | G4LogicalVolume* container_logic; |
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93 | G4VPhysicalVolume* container_phys; |
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94 | |
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95 | G4int fNoFiles; // number of DICOM files |
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96 | std::vector<G4Material*> fOriginalMaterials; // list of original materials |
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97 | std::vector<G4Material*> fMaterials; // list of new materials created to distinguish different density voxels that have the same original materials |
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98 | size_t* fMateIDs; // index of material of each voxel |
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99 | //unsigned int* fMateIDs; // index of material of each voxel |
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100 | |
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101 | std::map<G4int,G4double> fDensityDiffs; // Density difference to distinguish material for each original material (by index) |
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102 | |
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103 | std::vector<DicomPatientZSliceHeader*> fZSliceHeaders; // list of z slice header (one per DICOM files) |
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104 | DicomPatientZSliceHeader* fZSliceHeaderMerged; // z slice header resulted from merging all z slice headers |
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105 | |
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106 | G4int nVoxelX, nVoxelY, nVoxelZ; |
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107 | G4double voxelHalfDimX, voxelHalfDimY, voxelHalfDimZ; |
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108 | }; |
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109 | |
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110 | #endif |
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111 | |
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