| 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 | // --------------------------------------------------------------
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| 27 | // GEANT 4 - Brachytherapy example
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| 28 | // --------------------------------------------------------------
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| 29 | //
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| 30 | // Code developed by:
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| 31 | // S. Agostinelli, F. Foppiano, S. Garelli , M. Tropeano, S.Guatelli
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| 32 | //
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| 33 | //
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| 34 | // ****************************************
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| 35 | // * *
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| 36 | // * BrachyDetectorConstruction.cc *
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| 37 | // * *
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| 38 | // ****************************************
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| 39 | //
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| 40 | // $Id: BrachyDetectorConstruction.cc,v 1.29 2006/06/29 15:48:09 gunter Exp $
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| 41 | // GEANT4 tag $Name: $
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| 42 | //
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| 43 | #include "G4CSGSolid.hh"
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| 44 | #include "G4MaterialPropertyVector.hh"
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| 45 | #include "G4SDManager.hh"
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| 46 | #include "G4RunManager.hh"
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| 47 | #include "G4Box.hh"
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| 48 | #include "G4LogicalVolume.hh"
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| 49 | #include "G4ThreeVector.hh"
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| 50 | #include "G4PVPlacement.hh"
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| 51 | #include "globals.hh"
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| 52 | #include "G4MaterialTable.hh"
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| 53 | #include "G4TransportationManager.hh"
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| 54 | #include "G4Colour.hh"
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| 55 | #include "G4UserLimits.hh"
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| 56 | #include "G4VisAttributes.hh"
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| 57 | #include "BrachyMaterial.hh"
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| 58 | #include "BrachyFactoryLeipzig.hh"
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| 59 | #include "BrachyFactoryIr.hh"
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| 60 | #include "BrachyFactoryI.hh"
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| 61 | #include "BrachyPhantomROGeometry.hh"
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| 62 | #include "BrachyPhantomSD.hh"
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| 63 | #include "BrachyDetectorMessenger.hh"
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| 64 | #include "BrachyDetectorConstruction.hh"
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| 65 |
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| 66 | BrachyDetectorConstruction::BrachyDetectorConstruction(G4String &SDName)
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| 67 | : detectorChoice(0), phantomSD(0), phantomROGeometry(0), factory(0),
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| 68 | World(0), WorldLog(0), WorldPhys(0),
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| 69 | Phantom(0), PhantomLog(0), PhantomPhys(0),
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| 70 | phantomAbsorberMaterial(0)
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| 71 | {
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| 72 | // Define half size of the phantom along the x, y, z axis
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| 73 | phantomSizeX = 15.*cm ;
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| 74 | phantomSizeY = 15.*cm;
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| 75 | phantomSizeZ = 15.*cm;
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| 76 |
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| 77 | // Define the number of voxels the phantom is subdivided along the
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| 78 | // three axis
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| 79 | // Each voxel is 1 mm wide
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| 80 | numberOfVoxelsAlongX = 300;
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| 81 | numberOfVoxelsAlongY = 300;
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| 82 | numberOfVoxelsAlongZ = 300;
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| 83 |
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| 84 | ComputeDimVoxel();
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| 85 |
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| 86 | // Define the sizes of the World volume contaning the phantom
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| 87 | worldSizeX = 4.0*m;
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| 88 | worldSizeY = 4.0*m;
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| 89 | worldSizeZ = 4.0*m;
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| 90 |
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| 91 | sensitiveDetectorName = SDName;
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| 92 |
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| 93 | // Define the messenger of the Detector component
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| 94 | // It is possible to modify geometrical parameters through UI
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| 95 | detectorMessenger = new BrachyDetectorMessenger(this);
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| 96 |
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| 97 | // Define the Iridium source as default source modelled in the geometry
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| 98 | factory = new BrachyFactoryIr();
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| 99 |
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| 100 | // BrachyMaterial defined the all the materials necessary
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| 101 | // for the experimental set-up
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| 102 | pMaterial = new BrachyMaterial();
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| 103 | }
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| 104 |
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| 105 | BrachyDetectorConstruction::~BrachyDetectorConstruction()
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| 106 | {
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| 107 | delete pMaterial;
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| 108 | delete factory;
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| 109 | delete detectorMessenger;
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| 110 | if (phantomROGeometry) delete phantomROGeometry;
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| 111 | }
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| 112 |
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| 113 | G4VPhysicalVolume* BrachyDetectorConstruction::Construct()
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| 114 | {
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| 115 | pMaterial -> DefineMaterials();
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| 116 |
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| 117 | // Model the phantom (water box)
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| 118 | ConstructPhantom();
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| 119 |
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| 120 | // Model the source in the phantom
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| 121 | factory -> CreateSource(PhantomPhys); //Build the source inside the phantom
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| 122 |
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| 123 | // Define the sensitive volume: phantom
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| 124 | ConstructSensitiveDetector();
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| 125 |
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| 126 | return WorldPhys;
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| 127 | }
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| 128 |
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| 129 | void BrachyDetectorConstruction::SwitchBrachytherapicSeed()
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| 130 | {
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| 131 | // Change the source in the water phantom
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| 132 | factory -> CleanSource();
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| 133 | delete factory;
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| 134 |
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| 135 | switch(detectorChoice)
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| 136 | {
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| 137 | case 1:
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| 138 | factory = new BrachyFactoryI();
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| 139 | break;
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| 140 | case 2:
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| 141 | factory = new BrachyFactoryLeipzig();
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| 142 | break;
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| 143 | case 3:
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| 144 | factory = new BrachyFactoryIr();
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| 145 | break;
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| 146 | default:
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| 147 | factory = new BrachyFactoryIr();
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| 148 | break;
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| 149 | }
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| 150 |
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| 151 | factory -> CreateSource(PhantomPhys);
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| 152 |
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| 153 | // Notify run manager that the new geometry has been built
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| 154 | G4RunManager::GetRunManager() -> DefineWorldVolume( WorldPhys );
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| 155 | }
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| 156 |
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| 157 | void BrachyDetectorConstruction::SelectBrachytherapicSeed(G4String val)
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| 158 | {
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| 159 | if(val == "Iodium")
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| 160 | {
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| 161 | detectorChoice = 1;
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| 162 | }
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| 163 | else
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| 164 | {
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| 165 | if(val=="Leipzig")
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| 166 | {
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| 167 | detectorChoice = 2;
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| 168 | }
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| 169 | else
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| 170 | {
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| 171 | if(val=="Iridium")
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| 172 | {
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| 173 | detectorChoice = 3;
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| 174 | }
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| 175 | }
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| 176 | }
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| 177 |
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| 178 | G4cout << "Now the source is " << val << G4endl;
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| 179 | }
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| 180 |
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| 181 | void BrachyDetectorConstruction::ConstructPhantom()
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| 182 | {
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| 183 | // Model the water phantom
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| 184 |
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| 185 | // Define the light blue color
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| 186 | G4Colour lblue (0.0, 0.0, .75);
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| 187 |
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| 188 | G4Material* air = pMaterial -> GetMat("Air") ;
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| 189 | G4Material* water = pMaterial -> GetMat("Water");
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| 190 |
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| 191 | ComputeDimVoxel();
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| 192 |
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| 193 | // World volume
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| 194 | World = new G4Box("World",worldSizeX,worldSizeY,worldSizeZ);
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| 195 | WorldLog = new G4LogicalVolume(World,air,"WorldLog",0,0,0);
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| 196 | WorldPhys = new G4PVPlacement(0,G4ThreeVector(),
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| 197 | "WorldPhys",WorldLog,0,false,0);
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| 198 |
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| 199 | // Water Box
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| 200 | Phantom = new G4Box("Phantom",phantomSizeX,phantomSizeY,
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| 201 | phantomSizeZ);
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| 202 |
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| 203 | // Logical volume
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| 204 | PhantomLog = new G4LogicalVolume(Phantom,water,"PhantomLog",0,0,0);
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| 205 |
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| 206 | // Physical volume
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| 207 | PhantomPhys = new G4PVPlacement(0,G4ThreeVector(), // Position: rotation and translation
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| 208 | "PhantomPhys", // Name
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| 209 | PhantomLog, // Associated logical volume
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| 210 | WorldPhys, // Mother volume
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| 211 | false,0);
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| 212 |
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| 213 | WorldLog -> SetVisAttributes (G4VisAttributes::Invisible);
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| 214 |
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| 215 | // Visualization attributes of the phantom
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| 216 | G4VisAttributes* simpleBoxVisAtt = new G4VisAttributes(lblue);
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| 217 | simpleBoxVisAtt -> SetVisibility(true);
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| 218 | simpleBoxVisAtt -> SetForceWireframe(true);
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| 219 | PhantomLog -> SetVisAttributes(simpleBoxVisAtt);
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| 220 | }
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| 221 |
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| 222 | void BrachyDetectorConstruction::ConstructSensitiveDetector()
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| 223 | // Sensitive Detector and ReadOut geometry definition
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| 224 | {
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| 225 | G4SDManager* pSDManager = G4SDManager::GetSDMpointer();
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| 226 |
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| 227 | if(!phantomSD)
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| 228 | {
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| 229 | phantomSD = new BrachyPhantomSD(sensitiveDetectorName);
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| 230 | G4String ROGeometryName = "PhantomROGeometry";
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| 231 | phantomROGeometry = new BrachyPhantomROGeometry(ROGeometryName,
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| 232 | phantomSizeX,
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| 233 | phantomSizeY,
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| 234 | phantomSizeZ,
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| 235 | numberOfVoxelsAlongX,
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| 236 | numberOfVoxelsAlongY,
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| 237 | numberOfVoxelsAlongZ);
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| 238 | phantomROGeometry -> BuildROGeometry();
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| 239 | phantomSD -> SetROgeometry(phantomROGeometry);
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| 240 | pSDManager -> AddNewDetector(phantomSD);
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| 241 |
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| 242 | PhantomLog -> SetSensitiveDetector(phantomSD);
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| 243 | }
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| 244 | }
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| 245 |
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| 246 | void BrachyDetectorConstruction::PrintDetectorParameters()
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| 247 | {
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| 248 | G4cout << "-----------------------------------------------------------------------"
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| 249 | << G4endl
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| 250 | << "the phantom is a water box whose size is: " << G4endl
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| 251 | << phantomSizeX *2./cm
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| 252 | << " cm * "
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| 253 | << phantomSizeY *2./cm
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| 254 | << " cm * "
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| 255 | << phantomSizeZ *2./cm
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| 256 | << " cm" << G4endl
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| 257 | << "number of Voxel: "
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| 258 | << numberOfVoxelsAlongX <<G4endl
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| 259 | << "Voxel size: "
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| 260 | << dimVoxel * 2/mm
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| 261 | << "mm" << G4endl
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| 262 | << "The phantom is made of "
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| 263 | << phantomAbsorberMaterial -> GetName() <<G4endl
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| 264 | << "the source is at the center of the phantom" << G4endl
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| 265 | << "-------------------------------------------------------------------------"
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| 266 | << G4endl;
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| 267 | }
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| 268 |
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| 269 | void BrachyDetectorConstruction::SetPhantomMaterial(G4String materialChoice)
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| 270 | {
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| 271 | // It is possible to change the material of the phantom
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| 272 | // interactively
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| 273 |
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| 274 | // Search the material by its name
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| 275 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
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| 276 | if (pttoMaterial)
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| 277 | {
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| 278 | phantomAbsorberMaterial = pttoMaterial;
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| 279 | PhantomLog -> SetMaterial(pttoMaterial);
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| 280 | PrintDetectorParameters();
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| 281 | }
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| 282 | else
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| 283 | G4cout << "WARNING: material '" << materialChoice
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| 284 | << "' not available!" << G4endl;
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| 285 | }
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