[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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[1230] | 26 | // HadrontherapyDetectorConstruction.cc |
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[807] | 27 | // |
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[1230] | 28 | // See more at: http://g4advancedexamples.lngs.infn.it/Examples/hadrontherapy |
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[807] | 29 | |
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| 30 | #include "G4SDManager.hh" |
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| 31 | #include "G4RunManager.hh" |
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| 32 | #include "G4Box.hh" |
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| 33 | #include "G4LogicalVolume.hh" |
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| 34 | #include "G4ThreeVector.hh" |
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| 35 | #include "G4PVPlacement.hh" |
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| 36 | #include "globals.hh" |
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| 37 | #include "G4Transform3D.hh" |
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| 38 | #include "G4RotationMatrix.hh" |
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| 39 | #include "G4Colour.hh" |
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| 40 | #include "G4UserLimits.hh" |
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[1230] | 41 | #include "G4UnitsTable.hh" |
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[807] | 42 | #include "G4VisAttributes.hh" |
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[1230] | 43 | #include "G4NistManager.hh" |
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| 44 | #include "HadrontherapyDetectorROGeometry.hh" |
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[807] | 45 | #include "HadrontherapyDetectorMessenger.hh" |
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[1230] | 46 | #include "HadrontherapyDetectorSD.hh" |
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[807] | 47 | #include "HadrontherapyDetectorConstruction.hh" |
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[1230] | 48 | #include "HadrontherapyMatrix.hh" |
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[807] | 49 | |
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[1230] | 50 | ///////////////////////////////////////////////////////////////////////////// |
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| 51 | HadrontherapyDetectorConstruction::HadrontherapyDetectorConstruction(G4VPhysicalVolume* physicalTreatmentRoom) |
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| 52 | : motherPhys(physicalTreatmentRoom), |
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| 53 | detectorSD(0), detectorROGeometry(0), matrix(0), |
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| 54 | phantomPhysicalVolume(0), |
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| 55 | detectorLogicalVolume(0), detectorPhysicalVolume(0), |
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| 56 | phantomSizeX(20.*cm), phantomSizeY(20.*cm), phantomSizeZ(20.*cm), // Default half dimensions |
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| 57 | detectorSizeX(2.*cm), detectorSizeY(2.*cm), detectorSizeZ(2.*cm), |
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| 58 | phantomPosition(20.*cm, 0.*cm, 0.*cm), |
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| 59 | detectorToPhantomPosition(0.*cm,18.*cm,18.*cm)// Default displacement of the detector respect to the phantom |
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[807] | 60 | { |
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[1230] | 61 | // NOTE! that the HadrontherapyDetectorConstruction class |
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| 62 | // does NOT inherit from G4VUserDetectorConstruction G4 class |
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| 63 | // So the Construct() mandatory virtual method is inside another geometric class |
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| 64 | // (like the passiveProtonBeamLIne, ...) |
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| 65 | |
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| 66 | // Messenger to change parameters of the phantom/detector geometry |
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[807] | 67 | detectorMessenger = new HadrontherapyDetectorMessenger(this); |
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| 68 | |
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[1230] | 69 | // Default detector voxels size |
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| 70 | // 200 slabs along the beam direction (X) |
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| 71 | sizeOfVoxelAlongX = 200 *um; |
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| 72 | sizeOfVoxelAlongY = 2 * detectorSizeY; |
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| 73 | sizeOfVoxelAlongZ = 2 * detectorSizeZ; |
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[807] | 74 | |
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[1230] | 75 | // Calculate (and eventually set) detector position by displacement, phantom size and detector size |
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| 76 | SetDetectorPosition(); |
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[807] | 77 | |
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[1230] | 78 | // Build phantom and associated detector |
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| 79 | ConstructPhantom(); |
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| 80 | ConstructDetector(); |
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| 81 | // Set number of the detector voxels along X Y and Z directions. |
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| 82 | // This will construct also the sensitive detector, the ROGeometry |
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| 83 | // and the matrix where the energy deposited is collected! |
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| 84 | SetNumberOfVoxelBySize(sizeOfVoxelAlongX, sizeOfVoxelAlongY, sizeOfVoxelAlongZ); |
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[807] | 85 | } |
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| 86 | |
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[1230] | 87 | ///////////////////////////////////////////////////////////////////////////// |
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[807] | 88 | HadrontherapyDetectorConstruction::~HadrontherapyDetectorConstruction() |
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| 89 | { |
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[1230] | 90 | delete detectorROGeometry;// This should be safe in C++ even if the argument is a NULL pointer |
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| 91 | delete matrix; |
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| 92 | delete detectorMessenger; |
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[807] | 93 | } |
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| 94 | |
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[1230] | 95 | void HadrontherapyDetectorConstruction::ConstructPhantom() |
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| 96 | { |
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| 97 | //---------------------------------------- |
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| 98 | // Phantom: |
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| 99 | // A box used to approximate tissues |
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| 100 | //---------------------------------------- |
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| 101 | |
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| 102 | G4bool isotopes = false; |
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| 103 | G4Material* waterNist = G4NistManager::Instance()->FindOrBuildMaterial("G4_WATER", isotopes); |
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| 104 | phantom = new G4Box("Phantom",phantomSizeX, phantomSizeY, phantomSizeZ); |
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| 105 | phantomLogicalVolume = new G4LogicalVolume(phantom, |
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| 106 | waterNist, |
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| 107 | "phantomLog", 0, 0, 0); |
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[807] | 108 | |
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[1230] | 109 | phantomPhysicalVolume = new G4PVPlacement(0, |
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| 110 | phantomPosition, |
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| 111 | "phantomPhys", |
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| 112 | phantomLogicalVolume, |
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| 113 | motherPhys, |
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| 114 | false, |
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| 115 | 0); |
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| 116 | |
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| 117 | // Visualisation attributes of the phantom |
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| 118 | red = new G4VisAttributes(G4Colour(255/255., 0/255. ,0/255.)); |
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| 119 | red -> SetVisibility(true); |
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| 120 | red -> SetForceSolid(true); |
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| 121 | //red -> SetForceWireframe(true); |
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| 122 | phantomLogicalVolume -> SetVisAttributes(red); |
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| 123 | } |
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| 124 | |
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| 125 | ///////////////////////////////////////////////////////////////////////////// |
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| 126 | void HadrontherapyDetectorConstruction::ConstructDetector() |
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| 127 | { |
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| 128 | //----------- |
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| 129 | // Detector |
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| 130 | //----------- |
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| 131 | G4bool isotopes = false; |
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| 132 | G4Material* waterNist = G4NistManager::Instance()->FindOrBuildMaterial("G4_WATER", isotopes); |
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| 133 | detector = new G4Box("Detector",detectorSizeX,detectorSizeY,detectorSizeZ); |
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| 134 | detectorLogicalVolume = new G4LogicalVolume(detector, |
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| 135 | waterNist, |
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| 136 | "DetectorLog", |
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| 137 | 0,0,0); |
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| 138 | // Detector is attached by default to the phantom face directly exposed to the beam |
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| 139 | detectorPhysicalVolume = new G4PVPlacement(0, |
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| 140 | detectorPosition, // Setted by displacement |
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| 141 | "DetectorPhys", |
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| 142 | detectorLogicalVolume, |
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| 143 | phantomPhysicalVolume, |
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| 144 | false,0); |
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[807] | 145 | |
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[1230] | 146 | // Visualisation attributes of the detector |
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| 147 | skyBlue = new G4VisAttributes( G4Colour(135/255. , 206/255. , 235/255. )); |
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| 148 | skyBlue -> SetVisibility(true); |
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| 149 | skyBlue -> SetForceSolid(true); |
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| 150 | //skyBlue -> SetForceWireframe(true); |
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| 151 | detectorLogicalVolume -> SetVisAttributes(skyBlue); |
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| 152 | |
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[807] | 153 | } |
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[1230] | 154 | ///////////////////////////////////////////////////////////////////////////// |
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| 155 | void HadrontherapyDetectorConstruction::ConstructSensitiveDetector(G4ThreeVector detectorToWorldPosition) |
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| 156 | { |
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| 157 | // Install new Sensitive Detector and ROGeometry |
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| 158 | delete detectorROGeometry; // this should be safe in C++ also if we have a NULL pointer |
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[807] | 159 | |
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[1230] | 160 | // Sensitive Detector and ReadOut geometry definition |
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| 161 | G4SDManager* sensitiveDetectorManager = G4SDManager::GetSDMpointer(); |
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[807] | 162 | |
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[1230] | 163 | G4String sensitiveDetectorName = "Detector"; |
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| 164 | if (!detectorSD) |
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| 165 | { |
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| 166 | // The sensitive detector is instantiated |
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| 167 | detectorSD = new HadrontherapyDetectorSD(sensitiveDetectorName); |
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| 168 | } |
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| 169 | // The Read Out Geometry is instantiated |
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| 170 | G4String ROGeometryName = "DetectorROGeometry"; |
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| 171 | detectorROGeometry = new HadrontherapyDetectorROGeometry(ROGeometryName, |
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| 172 | detectorToWorldPosition, |
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| 173 | detectorSizeX, |
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| 174 | detectorSizeY, |
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| 175 | detectorSizeZ, |
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| 176 | numberOfVoxelsAlongX, |
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| 177 | numberOfVoxelsAlongY, |
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| 178 | numberOfVoxelsAlongZ); |
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[807] | 179 | |
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[1230] | 180 | G4cout << "Instantiating new Read Out Geometry \"" << ROGeometryName << "\""<< G4endl; |
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| 181 | // This will invoke Build() HadrontherapyDetectorROGeometry virtual method |
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| 182 | detectorROGeometry -> BuildROGeometry(); |
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| 183 | // Attach ROGeometry to SDetector |
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| 184 | detectorSD -> SetROgeometry(detectorROGeometry); |
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| 185 | //sensitiveDetectorManager -> Activate(sensitiveDetectorName, true); |
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| 186 | if (!sensitiveDetectorManager -> FindSensitiveDetector(sensitiveDetectorName, false)) |
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| 187 | { |
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| 188 | G4cout << "Registering new DetectorSD \"" << sensitiveDetectorName << "\""<< G4endl; |
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| 189 | // Register user SD |
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| 190 | sensitiveDetectorManager -> AddNewDetector(detectorSD); |
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| 191 | // Attach SD to detector logical volume |
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| 192 | detectorLogicalVolume -> SetSensitiveDetector(detectorSD); |
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| 193 | } |
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| 194 | } |
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[807] | 195 | |
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[1230] | 196 | ///////////////// |
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| 197 | // MESSENGERS // |
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| 198 | //////////////// |
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| 199 | G4bool HadrontherapyDetectorConstruction::SetNumberOfVoxelBySize(G4double sizeX, G4double sizeY, G4double sizeZ) |
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| 200 | { |
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| 201 | // Only change positive dimensions |
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| 202 | // XXX numberOfVoxels must be an integer, warn the user |
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[807] | 203 | |
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[1230] | 204 | if (sizeX > 0) |
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| 205 | { |
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| 206 | if (sizeX > 2*detectorSizeX) |
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| 207 | { |
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| 208 | G4cout << "WARNING: Voxel X size must be smaller or equal than that of detector X" << G4endl; |
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| 209 | return false; |
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| 210 | } |
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| 211 | // Round to the nearest integer |
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| 212 | numberOfVoxelsAlongX = lrint(2 * detectorSizeX / sizeX); |
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| 213 | sizeOfVoxelAlongX = (2 * detectorSizeX / numberOfVoxelsAlongX ); |
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| 214 | if(sizeOfVoxelAlongX!=sizeX) G4cout << "Rounding " << |
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| 215 | G4BestUnit(sizeX, "Length") << " to " << |
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| 216 | G4BestUnit(sizeOfVoxelAlongX, "Length") << G4endl; |
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| 217 | } |
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[807] | 218 | |
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[1230] | 219 | if (sizeY > 0) |
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| 220 | { |
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| 221 | if (sizeY > 2*detectorSizeY) |
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| 222 | { |
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| 223 | G4cout << "WARNING: Voxel Y size must be smaller or equal than that of detector Y" << G4endl; |
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| 224 | return false; |
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| 225 | } |
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| 226 | numberOfVoxelsAlongY = lrint(2 * detectorSizeY / sizeY); |
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| 227 | sizeOfVoxelAlongY = (2 * detectorSizeY / numberOfVoxelsAlongY ); |
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| 228 | if(sizeOfVoxelAlongY!=sizeY) G4cout << "Rounding " << |
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| 229 | G4BestUnit(sizeY, "Length") << " to " << |
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| 230 | G4BestUnit(sizeOfVoxelAlongY, "Length") << G4endl; |
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| 231 | } |
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| 232 | if (sizeZ > 0) |
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| 233 | { |
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| 234 | if (sizeZ > 2*detectorSizeZ) |
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| 235 | { |
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| 236 | G4cout << "WARNING: Voxel Z size must be smaller or equal than that of detector Z" << G4endl; |
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| 237 | return false; |
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| 238 | } |
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| 239 | numberOfVoxelsAlongZ = lrint(2 * detectorSizeZ / sizeZ); |
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| 240 | sizeOfVoxelAlongZ = (2 * detectorSizeZ / numberOfVoxelsAlongZ ); |
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| 241 | if(sizeOfVoxelAlongZ!=sizeZ) G4cout << "Rounding " << |
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| 242 | G4BestUnit(sizeZ, "Length") << " to " << |
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| 243 | G4BestUnit(sizeOfVoxelAlongZ, "Length") << G4endl; |
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| 244 | } |
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[807] | 245 | |
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[1230] | 246 | G4cout << "The (X, Y, Z) sizes of the Voxels are: (" << |
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| 247 | G4BestUnit(sizeOfVoxelAlongX, "Length") << ", " << |
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| 248 | G4BestUnit(sizeOfVoxelAlongY, "Length") << ", " << |
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| 249 | G4BestUnit(sizeOfVoxelAlongZ, "Length") << ')' << G4endl; |
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[807] | 250 | |
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[1230] | 251 | G4cout << "The number of Voxels along (X,Y,Z) is: (" << |
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| 252 | numberOfVoxelsAlongX << ", " << |
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| 253 | numberOfVoxelsAlongY << ", " << |
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| 254 | numberOfVoxelsAlongZ << ')' << G4endl; |
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[807] | 255 | |
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[1230] | 256 | // This will clear the existing matrix (together with data inside it)! |
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| 257 | matrix = HadrontherapyMatrix::getInstance(numberOfVoxelsAlongX, |
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| 258 | numberOfVoxelsAlongY, |
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| 259 | numberOfVoxelsAlongZ); |
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[807] | 260 | |
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[1230] | 261 | // Here construct the Sensitive Detector and Read Out Geometry |
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| 262 | ConstructSensitiveDetector(GetDetectorToWorldPosition()); |
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| 263 | G4RunManager::GetRunManager() -> GeometryHasBeenModified(); |
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| 264 | return true; |
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| 265 | } |
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| 266 | ///////////////////////////////////////////////////////////////////////////// |
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| 267 | G4bool HadrontherapyDetectorConstruction::SetDetectorSize(G4double sizeX, G4double sizeY, G4double sizeZ) |
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| 268 | { |
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| 269 | // Check that the detector stay inside the phantom |
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| 270 | if (sizeX > 0 && sizeX < sizeOfVoxelAlongX) {G4cout << "WARNING: Detector X size must be bigger than that of Voxel X" << G4endl; return false;} |
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| 271 | if (sizeY > 0 && sizeY < sizeOfVoxelAlongY) {G4cout << "WARNING: Detector Y size must be bigger than that of Voxel Y" << G4endl; return false;} |
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| 272 | if (sizeZ > 0 && sizeZ < sizeOfVoxelAlongZ) {G4cout << "WARNING: Detector Z size must be bigger than that of Voxel Z" << G4endl; return false;} |
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[807] | 273 | |
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[1230] | 274 | if (!IsInside(sizeX/2, |
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| 275 | sizeY/2, |
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| 276 | sizeZ/2, |
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| 277 | phantomSizeX, |
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| 278 | phantomSizeY, |
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| 279 | phantomSizeZ, |
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| 280 | detectorToPhantomPosition)) |
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| 281 | {return false;} |
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| 282 | // Negative or null values mean don't change it! |
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| 283 | if (sizeX > 0) { |
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| 284 | detectorSizeX = sizeX/2; |
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| 285 | detector -> SetXHalfLength(detectorSizeX); |
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| 286 | } |
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[807] | 287 | |
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[1230] | 288 | if (sizeY > 0) { |
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| 289 | detectorSizeY = sizeY/2; |
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| 290 | detector -> SetYHalfLength(detectorSizeY); |
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| 291 | } |
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[807] | 292 | |
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[1230] | 293 | if (sizeZ > 0) { |
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| 294 | detectorSizeZ = sizeZ/2; |
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| 295 | detector -> SetZHalfLength(detectorSizeZ); |
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| 296 | } |
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[807] | 297 | |
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[1230] | 298 | |
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| 299 | G4cout << "The (X, Y, Z) dimensions of the detector are : (" << |
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| 300 | G4BestUnit( detector -> GetXHalfLength()*2., "Length") << ", " << |
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| 301 | G4BestUnit( detector -> GetYHalfLength()*2., "Length") << ", " << |
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| 302 | G4BestUnit( detector -> GetZHalfLength()*2., "Length") << ')' << G4endl; |
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| 303 | // Adjust detector position |
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| 304 | SetDetectorPosition(); |
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| 305 | // Adjust voxels number accordingly to new detector geometry |
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| 306 | // Matrix will be re-instantiated! |
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| 307 | // Voxels and ROGeometry must follow the detector! |
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| 308 | SetNumberOfVoxelBySize(sizeOfVoxelAlongX, sizeOfVoxelAlongY, sizeOfVoxelAlongZ); |
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| 309 | G4RunManager::GetRunManager() -> GeometryHasBeenModified(); |
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| 310 | return true; |
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[807] | 311 | } |
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| 312 | |
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[1230] | 313 | ///////////////////////////////////////////////////////////////////////////// |
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| 314 | G4bool HadrontherapyDetectorConstruction::SetPhantomSize(G4double sizeX, G4double sizeY, G4double sizeZ) |
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[807] | 315 | { |
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| 316 | |
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[1230] | 317 | if (!IsInside(detectorSizeX, |
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| 318 | detectorSizeY, |
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| 319 | detectorSizeZ, |
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| 320 | sizeX/2,//method parameters |
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| 321 | sizeY/2, |
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| 322 | sizeZ/2, |
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| 323 | detectorToPhantomPosition |
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| 324 | )) |
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| 325 | return false; |
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[807] | 326 | |
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[1230] | 327 | // Only change positive dimensions |
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| 328 | if (sizeX > 0) { |
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| 329 | phantomSizeX = sizeX/2; |
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| 330 | phantom -> SetXHalfLength(phantomSizeX); |
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| 331 | } |
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| 332 | if (sizeY > 0) { |
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| 333 | phantomSizeY = sizeY/2; |
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| 334 | phantom -> SetYHalfLength(phantomSizeY); |
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| 335 | } |
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[807] | 336 | |
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[1230] | 337 | if (sizeZ > 0) { |
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| 338 | phantomSizeZ = sizeZ/2; |
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| 339 | phantom -> SetZHalfLength(phantomSizeZ); |
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| 340 | } |
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[807] | 341 | |
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| 342 | |
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[1230] | 343 | G4cout << "The (X, Y, Z) dimensions of the phantom are : (" << |
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| 344 | G4BestUnit( phantom -> GetXHalfLength()*2., "Length") << ", " << |
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| 345 | G4BestUnit( phantom -> GetYHalfLength()*2., "Length") << ", " << |
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| 346 | G4BestUnit( phantom -> GetZHalfLength()*2., "Length") << ')' << G4endl; |
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| 347 | //G4cout << '\n' << "Coordinate volume: " << phantomPhysicalVolume -> GetTranslation() << G4endl; |
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| 348 | // Adjust detector position inside phantom |
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| 349 | SetDetectorPosition(); |
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[807] | 350 | |
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[1230] | 351 | ConstructSensitiveDetector(GetDetectorToWorldPosition()); |
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| 352 | G4RunManager::GetRunManager() -> GeometryHasBeenModified(); |
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| 353 | return true; |
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[807] | 354 | } |
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[1230] | 355 | ///////////////////////////////////////////////////////////////////////////// |
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| 356 | G4bool HadrontherapyDetectorConstruction::SetPhantomPosition(G4ThreeVector displacement) |
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[807] | 357 | { |
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[1230] | 358 | // Set Phantom position respect to the World |
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| 359 | // TODO check for overlap! |
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| 360 | phantomPosition = displacement; |
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| 361 | if (phantomPhysicalVolume) |
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| 362 | { |
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| 363 | phantomPhysicalVolume -> SetTranslation(phantomPosition); |
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| 364 | G4cout << "Displacement between Phantom and World is: "; |
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| 365 | G4cout << "DX= "<< G4BestUnit(phantomPosition.getX(),"Length") << ", " << |
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| 366 | "DY= "<< G4BestUnit(phantomPosition.getY(),"Length") << ", " << |
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| 367 | "DZ= "<< G4BestUnit(phantomPosition.getZ(),"Length") << G4endl; |
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[807] | 368 | |
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[1230] | 369 | // Redraw ROGeometry! |
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| 370 | ConstructSensitiveDetector(GetDetectorToWorldPosition()); |
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| 371 | G4RunManager::GetRunManager() -> GeometryHasBeenModified(); |
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| 372 | } |
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| 373 | return true; |
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[807] | 374 | } |
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| 375 | |
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[1230] | 376 | ///////////////////////////////////////////////////////////////////////////// |
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| 377 | G4bool HadrontherapyDetectorConstruction::SetDetectorToPhantomPosition(G4ThreeVector displacement) |
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[807] | 378 | { |
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[1230] | 379 | // Ignore negative values |
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| 380 | if (displacement[0] < 0.) displacement[0] = detectorToPhantomPosition[0]; |
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| 381 | if (displacement[1] < 0.) displacement[1] = detectorToPhantomPosition[1]; |
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| 382 | if (displacement[2] < 0.) displacement[2] = detectorToPhantomPosition[2]; |
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[807] | 383 | |
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[1230] | 384 | if (!IsInside(detectorSizeX, |
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| 385 | detectorSizeY, |
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| 386 | detectorSizeZ, |
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| 387 | phantomSizeX, |
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| 388 | phantomSizeY, |
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| 389 | phantomSizeZ, |
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| 390 | displacement // method parameter! |
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| 391 | )) |
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| 392 | {return false;} |
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| 393 | detectorToPhantomPosition = displacement; |
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[807] | 394 | |
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[1230] | 395 | // Adjust detector position inside phantom |
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| 396 | SetDetectorPosition(); |
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[807] | 397 | |
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[1230] | 398 | ConstructSensitiveDetector(GetDetectorToWorldPosition()); |
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| 399 | G4RunManager::GetRunManager() -> GeometryHasBeenModified(); |
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| 400 | return true; |
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[807] | 401 | } |
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