Gabriele Cosmo
283 lines
8.9 KiB
C++
283 lines
8.9 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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// --------------------------------------------------------------
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// GEANT 4 - Brachytherapy example
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// --------------------------------------------------------------
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//
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// Code developed by:
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// S. Agostinelli, F. Foppiano, S. Garelli , M. Tropeano, S.Guatelli
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//
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//
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// ****************************************
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// * *
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// * BrachyDetectorConstruction.cc *
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// * *
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// ****************************************
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//
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#include "G4CSGSolid.hh"
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#include "G4MaterialPropertyVector.hh"
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#include "G4SDManager.hh"
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#include "G4RunManager.hh"
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#include "G4Box.hh"
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#include "G4LogicalVolume.hh"
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#include "G4ThreeVector.hh"
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#include "G4PVPlacement.hh"
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#include "globals.hh"
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#include "G4MaterialTable.hh"
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#include "G4TransportationManager.hh"
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#include "G4Colour.hh"
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#include "G4UserLimits.hh"
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#include "G4VisAttributes.hh"
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#include "BrachyMaterial.hh"
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#include "BrachyFactoryLeipzig.hh"
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#include "BrachyFactoryIr.hh"
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#include "BrachyFactoryI.hh"
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#include "BrachyPhantomROGeometry.hh"
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#include "BrachyPhantomSD.hh"
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#include "BrachyDetectorMessenger.hh"
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#include "BrachyDetectorConstruction.hh"
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BrachyDetectorConstruction::BrachyDetectorConstruction(G4String &SDName)
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: detectorChoice(0), phantomSD(0), phantomROGeometry(0), factory(0),
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World(0), WorldLog(0), WorldPhys(0),
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Phantom(0), PhantomLog(0), PhantomPhys(0),
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phantomAbsorberMaterial(0)
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{
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// Define half size of the phantom along the x, y, z axis
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phantomSizeX = 15.*cm ;
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phantomSizeY = 15.*cm;
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phantomSizeZ = 15.*cm;
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// Define the number of voxels the phantom is subdivided along the
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// three axis
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// Each voxel is 1 mm wide
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numberOfVoxelsAlongX = 300;
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numberOfVoxelsAlongY = 300;
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numberOfVoxelsAlongZ = 300;
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ComputeDimVoxel();
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// Define the sizes of the World volume contaning the phantom
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worldSizeX = 4.0*m;
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worldSizeY = 4.0*m;
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worldSizeZ = 4.0*m;
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sensitiveDetectorName = SDName;
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// Define the messenger of the Detector component
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// It is possible to modify geometrical parameters through UI
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detectorMessenger = new BrachyDetectorMessenger(this);
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// Define the Iridium source as default source modelled in the geometry
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factory = new BrachyFactoryIr();
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// BrachyMaterial defined the all the materials necessary
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// for the experimental set-up
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pMaterial = new BrachyMaterial();
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}
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BrachyDetectorConstruction::~BrachyDetectorConstruction()
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{
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delete pMaterial;
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delete factory;
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delete detectorMessenger;
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if (phantomROGeometry) delete phantomROGeometry;
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}
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G4VPhysicalVolume* BrachyDetectorConstruction::Construct()
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{
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pMaterial -> DefineMaterials();
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// Model the phantom (water box)
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ConstructPhantom();
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// Model the source in the phantom
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factory -> CreateSource(PhantomPhys); //Build the source inside the phantom
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// Define the sensitive volume: phantom
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ConstructSensitiveDetector();
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return WorldPhys;
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}
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void BrachyDetectorConstruction::SwitchBrachytherapicSeed()
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{
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// Change the source in the water phantom
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factory -> CleanSource();
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delete factory;
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switch(detectorChoice)
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{
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case 1:
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factory = new BrachyFactoryI();
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break;
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case 2:
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factory = new BrachyFactoryLeipzig();
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break;
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case 3:
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factory = new BrachyFactoryIr();
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break;
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default:
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factory = new BrachyFactoryIr();
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break;
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}
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factory -> CreateSource(PhantomPhys);
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// Notify run manager that the new geometry has been built
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G4RunManager::GetRunManager() -> DefineWorldVolume( WorldPhys );
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}
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void BrachyDetectorConstruction::SelectBrachytherapicSeed(G4String val)
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{
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if(val == "Iodium")
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{
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detectorChoice = 1;
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}
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else
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{
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if(val=="Leipzig")
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{
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detectorChoice = 2;
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}
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else
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{
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if(val=="Iridium")
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{
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detectorChoice = 3;
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}
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}
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}
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G4cout << "Now the source is " << val << G4endl;
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}
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void BrachyDetectorConstruction::ConstructPhantom()
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{
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// Model the water phantom
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// Define the light blue color
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G4Colour lblue (0.0, 0.0, .75);
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G4Material* air = pMaterial -> GetMat("Air") ;
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G4Material* water = pMaterial -> GetMat("Water");
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ComputeDimVoxel();
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// World volume
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World = new G4Box("World",worldSizeX,worldSizeY,worldSizeZ);
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WorldLog = new G4LogicalVolume(World,air,"WorldLog",0,0,0);
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WorldPhys = new G4PVPlacement(0,G4ThreeVector(),
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"WorldPhys",WorldLog,0,false,0);
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// Water Box
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Phantom = new G4Box("Phantom",phantomSizeX,phantomSizeY,
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phantomSizeZ);
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// Logical volume
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PhantomLog = new G4LogicalVolume(Phantom,water,"PhantomLog",0,0,0);
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// Physical volume
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PhantomPhys = new G4PVPlacement(0,G4ThreeVector(), // Position: rotation and translation
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"PhantomPhys", // Name
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PhantomLog, // Associated logical volume
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WorldPhys, // Mother volume
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false,0);
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WorldLog -> SetVisAttributes (G4VisAttributes::Invisible);
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// Visualization attributes of the phantom
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G4VisAttributes* simpleBoxVisAtt = new G4VisAttributes(lblue);
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simpleBoxVisAtt -> SetVisibility(true);
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simpleBoxVisAtt -> SetForceWireframe(true);
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PhantomLog -> SetVisAttributes(simpleBoxVisAtt);
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}
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void BrachyDetectorConstruction::ConstructSensitiveDetector()
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// Sensitive Detector and ReadOut geometry definition
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{
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G4SDManager* pSDManager = G4SDManager::GetSDMpointer();
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if(!phantomSD)
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{
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phantomSD = new BrachyPhantomSD(sensitiveDetectorName);
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G4String ROGeometryName = "PhantomROGeometry";
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phantomROGeometry = new BrachyPhantomROGeometry(ROGeometryName,
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phantomSizeX,
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phantomSizeY,
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phantomSizeZ,
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numberOfVoxelsAlongX,
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numberOfVoxelsAlongY,
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numberOfVoxelsAlongZ);
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phantomROGeometry -> BuildROGeometry();
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phantomSD -> SetROgeometry(phantomROGeometry);
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pSDManager -> AddNewDetector(phantomSD);
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PhantomLog -> SetSensitiveDetector(phantomSD);
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}
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}
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void BrachyDetectorConstruction::PrintDetectorParameters()
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{
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G4cout << "-----------------------------------------------------------------------"
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<< G4endl
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<< "the phantom is a water box whose size is: " << G4endl
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<< phantomSizeX *2./cm
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<< " cm * "
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<< phantomSizeY *2./cm
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<< " cm * "
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<< phantomSizeZ *2./cm
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<< " cm" << G4endl
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<< "number of Voxel: "
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<< numberOfVoxelsAlongX <<G4endl
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<< "Voxel size: "
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<< dimVoxel * 2/mm
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<< "mm" << G4endl
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<< "The phantom is made of "
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<< phantomAbsorberMaterial -> GetName() <<G4endl
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<< "the source is at the center of the phantom" << G4endl
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<< "-------------------------------------------------------------------------"
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<< G4endl;
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}
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void BrachyDetectorConstruction::SetPhantomMaterial(G4String materialChoice)
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{
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// It is possible to change the material of the phantom
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// interactively
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// Search the material by its name
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G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
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if (pttoMaterial)
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{
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phantomAbsorberMaterial = pttoMaterial;
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PhantomLog -> SetMaterial(pttoMaterial);
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PrintDetectorParameters();
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}
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else
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G4cout << "WARNING: material '" << materialChoice
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<< "' not available!" << G4endl;
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}
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