Gabriele Cosmo
169 lines
6.3 KiB
C++
169 lines
6.3 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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// This example is provided by the Geant4-DNA collaboration
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// Any report or published results obtained using the Geant4-DNA software
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// shall cite the following Geant4-DNA collaboration publications:
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// Med. Phys. 45 (2018) e722-e739
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// Phys. Med. 31 (2015) 861-874
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// Med. Phys. 37 (2010) 4692-4708
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// Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
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//
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// The Geant4-DNA web site is available at http://geant4-dna.org
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//
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/// \file medical/dna/range/src/DetectorConstruction.cc
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/// \brief Implementation of the DetectorConstruction class
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#include "DetectorConstruction.hh"
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#include "DetectorMessenger.hh"
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#include "G4GeometryManager.hh"
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#include "G4LogicalVolumeStore.hh"
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#include "G4NistManager.hh"
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#include "G4PVPlacement.hh"
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#include "G4PhysicalConstants.hh"
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#include "G4PhysicalVolumeStore.hh"
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#include "G4RunManager.hh"
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#include "G4SolidStore.hh"
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#include "G4Sphere.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4UnitsTable.hh"
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#include "G4UserLimits.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::DetectorConstruction()
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: G4VUserDetectorConstruction(), fAbsorMaterial(0), fAbsor(0), fDetectorMessenger(0)
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{
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// Default tracking cut
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fTrackingCut = 7.4 * eV;
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// Default parameter values
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fAbsorRadius = 1 * m;
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DefineMaterials();
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SetMaterial("G4_WATER");
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// Create commands for interactive definition of the detector
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fDetectorMessenger = new DetectorMessenger(this);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::~DetectorConstruction()
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{
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delete fDetectorMessenger;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* DetectorConstruction::Construct()
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{
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return ConstructVolumes();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::DefineMaterials()
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{
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G4NistManager* man = G4NistManager::Instance();
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man->FindOrBuildMaterial("G4_WATER");
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
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{
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G4GeometryManager::GetInstance()->OpenGeometry();
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G4PhysicalVolumeStore::GetInstance()->Clean();
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G4LogicalVolumeStore::GetInstance()->Clean();
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G4SolidStore::GetInstance()->Clean();
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// Spherical absorber
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G4Sphere* sAbsor = new G4Sphere("Absorber", // name
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0., fAbsorRadius, 0., twopi, 0., pi); // size
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fLogicalAbsor = new G4LogicalVolume(sAbsor, // solid
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fAbsorMaterial, // material
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"Absorber"); // name
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fAbsor = new G4PVPlacement(0, // no rotation
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G4ThreeVector(), // at (0,0,0)
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fLogicalAbsor, // logical volume
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"Absorber", // name
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0, // mother volume
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false, // no boolean operation
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0); // copy number
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PrintParameters();
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fLogicalAbsor->SetUserLimits(new G4UserLimits(DBL_MAX, DBL_MAX, DBL_MAX, fTrackingCut));
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// Always return the root volume
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return fAbsor;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::PrintParameters() const
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{
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G4cout << "\n---------------------------------------------------------\n";
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G4cout << "---> The tracking cut to all particles is set to "
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<< G4BestUnit(fTrackingCut, "Energy") << G4endl;
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G4cout << "---> The Absorber is a sphere of " << G4BestUnit(fAbsorRadius, "Length")
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<< " radius of " << fAbsorMaterial->GetName() << " made of"
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<< "\n \n"
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<< fAbsorMaterial << G4endl;
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G4cout << "\n---------------------------------------------------------\n";
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetTrackingCut(G4double value)
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{
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fTrackingCut = value;
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G4RunManager::GetRunManager()->ReinitializeGeometry();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetRadius(G4double value)
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{
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fAbsorRadius = value;
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G4RunManager::GetRunManager()->ReinitializeGeometry();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetMaterial(G4String materialChoice)
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{
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G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
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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) fAbsorMaterial = pttoMaterial;
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G4RunManager::GetRunManager()->PhysicsHasBeenModified();
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}
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