Gabriele Cosmo
188 lines
6.7 KiB
C++
188 lines
6.7 KiB
C++
//
|
||
// ********************************************************************
|
||
// * License and Disclaimer *
|
||
// * *
|
||
// * The Geant4 software is copyright of the Copyright Holders of *
|
||
// * the Geant4 Collaboration. It is provided under the terms and *
|
||
// * conditions of the Geant4 Software License, included in the file *
|
||
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
||
// * include a list of copyright holders. *
|
||
// * *
|
||
// * Neither the authors of this software system, nor their employing *
|
||
// * institutes,nor the agencies providing financial support for this *
|
||
// * work make any representation or warranty, express or implied, *
|
||
// * regarding this software system or assume any liability for its *
|
||
// * use. Please see the license in the file LICENSE and URL above *
|
||
// * for the full disclaimer and the limitation of liability. *
|
||
// * *
|
||
// * This code implementation is the result of the scientific and *
|
||
// * technical work of the GEANT4 collaboration. *
|
||
// * By using, copying, modifying or distributing the software (or *
|
||
// * any work based on the software) you agree to acknowledge its *
|
||
// * use in resulting scientific publications, and indicate your *
|
||
// * acceptance of all terms of the Geant4 Software license. *
|
||
// ********************************************************************
|
||
//
|
||
// This example is provided by the Geant4-DNA collaboration
|
||
// Any report or published results obtained using the Geant4-DNA software
|
||
// shall cite the following Geant4-DNA collaboration publications:
|
||
// Med. Phys. 45 (2018) e722-e739
|
||
// Phys. Med. 31 (2015) 861-874
|
||
// Med. Phys. 37 (2010) 4692-4708
|
||
// Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
|
||
//
|
||
// The Geant4-DNA web site is available at http://geant4-dna.org
|
||
//
|
||
/// \file DetectorConstruction.cc
|
||
/// \brief Implementation of the DetectorConstruction class
|
||
|
||
#include "DetectorConstruction.hh"
|
||
#include "DetectorMessenger.hh"
|
||
#include "PhysicsList.hh"
|
||
|
||
#include "G4LogicalVolumeStore.hh"
|
||
#include "G4NistManager.hh"
|
||
#include "G4RunManager.hh"
|
||
#include "G4SystemOfUnits.hh"
|
||
#include "G4UserLimits.hh"
|
||
|
||
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
||
|
||
DetectorConstruction::DetectorConstruction(PhysicsList* ptr)
|
||
: G4VUserDetectorConstruction(),
|
||
fpWaterMaterial(nullptr),
|
||
fLogicWorld(nullptr),
|
||
fPhysiWorld(nullptr)
|
||
{
|
||
// Create commands for interactive definition of the detector
|
||
fDetectorMessenger = new DetectorMessenger(this, ptr);
|
||
|
||
// Default values
|
||
//
|
||
// World size
|
||
fWorldSize = 100 *um;
|
||
// and material
|
||
G4NistManager* man = G4NistManager::Instance();
|
||
G4Material* H2O = man->FindOrBuildMaterial("G4_WATER");
|
||
fpWaterMaterial = H2O;
|
||
}
|
||
|
||
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
||
|
||
DetectorConstruction::~DetectorConstruction()
|
||
{
|
||
delete fDetectorMessenger;
|
||
}
|
||
|
||
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
||
|
||
void DetectorConstruction::DefineMaterials()
|
||
{
|
||
// Water is defined from NIST material database
|
||
G4NistManager* man = G4NistManager::Instance();
|
||
|
||
G4Material* H2O = man->FindOrBuildMaterial("G4_WATER");
|
||
|
||
/*
|
||
If one wishes to test other density value for water material,
|
||
one should use instead:
|
||
G4Material * H2O = man->BuildMaterialWithNewDensity("G4_WATER_MODIFIED",
|
||
"G4_WATER",1.100*g/cm3);
|
||
|
||
Note: any string for "G4_WATER_MODIFIED" parameter is accepted
|
||
and "G4_WATER" parameter should not be changed
|
||
Both materials are created and can be selected from dna.mac
|
||
*/
|
||
fpWaterMaterial = H2O;
|
||
|
||
// G4cout << "-> Density of water material (g/cm3)="
|
||
// << fpWaterMaterial->GetDensity()/(g/cm/cm/cm) << G4endl;
|
||
|
||
G4cout << *(G4Material::GetMaterialTable()) << G4endl;
|
||
}
|
||
|
||
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
||
|
||
G4Material*
|
||
DetectorConstruction::MaterialWithDensity(G4String name, G4double density)
|
||
{
|
||
// Water is defined from NIST material database
|
||
G4NistManager* man = G4NistManager::Instance();
|
||
|
||
G4Material * material = man->BuildMaterialWithNewDensity(name,
|
||
"G4_WATER", density);
|
||
|
||
G4cout << "-> Density of water_modified material (g/cm3)="
|
||
<< material->GetDensity()/(g/cm/cm/cm) << G4endl;
|
||
|
||
return material;
|
||
}
|
||
|
||
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
||
|
||
G4VPhysicalVolume* DetectorConstruction::Construct()
|
||
{
|
||
if (fPhysiWorld) {
|
||
return fPhysiWorld;
|
||
}
|
||
|
||
// World volume
|
||
G4double worldSizeX = fWorldSize;
|
||
G4double worldSizeY = worldSizeX;
|
||
G4double worldSizeZ = worldSizeX;
|
||
|
||
G4Box* solidWorld = new G4Box("World", // its name
|
||
worldSizeX / 2, worldSizeY / 2, worldSizeZ / 2);
|
||
// its size
|
||
|
||
fLogicWorld = new G4LogicalVolume(solidWorld, // its solid
|
||
fpWaterMaterial, // its material
|
||
"World"); // its name
|
||
|
||
fPhysiWorld = new G4PVPlacement(0, // no rotation
|
||
G4ThreeVector(), // at (0,0,0)
|
||
"World", // its name
|
||
fLogicWorld, // its logical volume
|
||
0, // its mother volume
|
||
false, // no boolean operation
|
||
0); // copy number
|
||
|
||
// Visualization attributes - white
|
||
G4VisAttributes* worldVisAtt = new G4VisAttributes(G4Colour(1.0, 1.0, 1.0));
|
||
worldVisAtt->SetVisibility(true);
|
||
fLogicWorld->SetVisAttributes(worldVisAtt);
|
||
|
||
G4VisAttributes* worldVisAtt1 = new G4VisAttributes(G4Colour(1.0, 0.0, 0.0));
|
||
worldVisAtt1->SetVisibility(true);
|
||
|
||
// Shows how to introduce a 20 eV tracking cut
|
||
// logicWorld->SetUserLimits(new G4UserLimits(DBL_MAX,DBL_MAX,DBL_MAX,20*eV));
|
||
|
||
return fPhysiWorld;
|
||
}
|
||
|
||
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
||
|
||
void DetectorConstruction::SetMaterial(const G4String& materialChoice)
|
||
{
|
||
// Search the material by its name
|
||
G4Material* pttoMaterial =
|
||
G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
|
||
|
||
if (pttoMaterial) {
|
||
fpWaterMaterial = pttoMaterial;
|
||
if (fLogicWorld) {
|
||
fLogicWorld->SetMaterial(fpWaterMaterial);
|
||
}
|
||
G4RunManager::GetRunManager()->GeometryHasBeenModified();
|
||
}
|
||
}
|
||
|
||
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
||
|
||
void DetectorConstruction::SetSize(G4double value)
|
||
{
|
||
fWorldSize = value;
|
||
G4RunManager::GetRunManager()->ReinitializeGeometry();
|
||
}
|