Gabriele Cosmo
320 lines
11 KiB
C++
320 lines
11 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. *
|
|
// ********************************************************************
|
|
//
|
|
/// \file DetectorConstruction.cc
|
|
/// \brief Implementation of the DetectorConstruction class
|
|
|
|
#include "DetectorConstruction.hh"
|
|
|
|
#include "DetectorMessenger.hh"
|
|
|
|
#include "G4GeometryManager.hh"
|
|
#include "G4LogicalVolume.hh"
|
|
#include "G4LogicalVolumeStore.hh"
|
|
#include "G4Material.hh"
|
|
#include "G4NistManager.hh"
|
|
#include "G4PVPlacement.hh"
|
|
#include "G4PhysicalConstants.hh"
|
|
#include "G4PhysicalVolumeStore.hh"
|
|
#include "G4RunManager.hh"
|
|
#include "G4SolidStore.hh"
|
|
#include "G4SystemOfUnits.hh"
|
|
#include "G4Tubs.hh"
|
|
#include "G4UnitsTable.hh"
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
DetectorConstruction::DetectorConstruction()
|
|
{
|
|
fTargetLength = 1 * cm;
|
|
fTargetRadius = 0.5 * cm;
|
|
fDetectorLength = 5 * cm;
|
|
fDetectorThickness = 2 * cm;
|
|
|
|
fWorldLength = std::max(fTargetLength, fDetectorLength);
|
|
fWorldRadius = fTargetRadius + fDetectorThickness;
|
|
|
|
DefineMaterials();
|
|
|
|
fDetectorMessenger = new DetectorMessenger(this);
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
DetectorConstruction::~DetectorConstruction()
|
|
{
|
|
delete fDetectorMessenger;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4VPhysicalVolume* DetectorConstruction::Construct()
|
|
{
|
|
return ConstructVolumes();
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::DefineMaterials()
|
|
{
|
|
// build materials
|
|
//
|
|
fDetectorMater = new G4Material("Germanium", 32, 72.61 * g / mole, 5.323 * g / cm3);
|
|
|
|
G4Element* N = new G4Element("Nitrogen", "N", 7, 14.01 * g / mole);
|
|
G4Element* O = new G4Element("Oxygen", "O", 8, 16.00 * g / mole);
|
|
//
|
|
G4int ncomponents;
|
|
G4double fractionmass;
|
|
G4Material* Air20 = new G4Material("Air", 1.205 * mg / cm3, ncomponents = 2, kStateGas,
|
|
293. * kelvin, 1. * atmosphere);
|
|
Air20->AddElement(N, fractionmass = 0.7);
|
|
Air20->AddElement(O, fractionmass = 0.3);
|
|
//
|
|
fWorldMater = Air20;
|
|
|
|
// or use G4 materials data base
|
|
//
|
|
G4NistManager* man = G4NistManager::Instance();
|
|
fTargetMater = man->FindOrBuildMaterial("G4_CESIUM_IODIDE");
|
|
|
|
/// G4cout << *(G4Material::GetMaterialTable()) << G4endl;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
|
|
{
|
|
// Cleanup old geometry
|
|
G4GeometryManager::GetInstance()->OpenGeometry();
|
|
G4PhysicalVolumeStore::GetInstance()->Clean();
|
|
G4LogicalVolumeStore::GetInstance()->Clean();
|
|
G4SolidStore::GetInstance()->Clean();
|
|
|
|
// World
|
|
//
|
|
// (re) compute World dimensions if necessary
|
|
fWorldLength = std::max(fTargetLength, fDetectorLength);
|
|
fWorldRadius = fTargetRadius + fDetectorThickness;
|
|
|
|
G4Tubs* sWorld = new G4Tubs("World", // name
|
|
0., fWorldRadius, 0.5 * fWorldLength, 0., twopi); // dimensions
|
|
|
|
G4LogicalVolume* lWorld = new G4LogicalVolume(sWorld, // shape
|
|
fWorldMater, // material
|
|
"World"); // name
|
|
|
|
fPhysiWorld = new G4PVPlacement(0, // no rotation
|
|
G4ThreeVector(), // at (0,0,0)
|
|
lWorld, // logical volume
|
|
"World", // name
|
|
0, // mother volume
|
|
false, // no boolean operation
|
|
0); // copy number
|
|
|
|
// Target
|
|
//
|
|
G4Tubs* sTarget = new G4Tubs("Target", // name
|
|
0., fTargetRadius, 0.5 * fTargetLength, 0., twopi); // dimensions
|
|
|
|
fLogicTarget = new G4LogicalVolume(sTarget, // shape
|
|
fTargetMater, // material
|
|
"Target"); // name
|
|
|
|
new G4PVPlacement(0, // no rotation
|
|
G4ThreeVector(), // at (0,0,0)
|
|
fLogicTarget, // logical volume
|
|
"Target", // name
|
|
lWorld, // mother volume
|
|
false, // no boolean operation
|
|
0); // copy number
|
|
|
|
// Detector
|
|
//
|
|
G4Tubs* sDetector =
|
|
new G4Tubs("Detector", fTargetRadius, fWorldRadius, 0.5 * fDetectorLength, 0., twopi);
|
|
|
|
fLogicDetector = new G4LogicalVolume(sDetector, // shape
|
|
fDetectorMater, // material
|
|
"Detector"); // name
|
|
|
|
new G4PVPlacement(0, // no rotation
|
|
G4ThreeVector(), // at (0,0,0)
|
|
fLogicDetector, // logical volume
|
|
"Detector", // name
|
|
lWorld, // mother volume
|
|
false, // no boolean operation
|
|
0); // copy number
|
|
|
|
PrintParameters();
|
|
|
|
// always return the root volume
|
|
//
|
|
return fPhysiWorld;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::PrintParameters()
|
|
{
|
|
G4cout << "\n Target : Length = " << G4BestUnit(fTargetLength, "Length")
|
|
<< " Radius = " << G4BestUnit(fTargetRadius, "Length")
|
|
<< " Material = " << fTargetMater->GetName();
|
|
G4cout << "\n Detector : Length = " << G4BestUnit(fDetectorLength, "Length")
|
|
<< " Tickness = " << G4BestUnit(fDetectorThickness, "Length")
|
|
<< " Material = " << fDetectorMater->GetName() << G4endl;
|
|
G4cout << "\n" << fTargetMater << "\n" << fDetectorMater << G4endl;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::SetTargetMaterial(G4String materialChoice)
|
|
{
|
|
// search the material by its name
|
|
G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
|
|
|
|
if (pttoMaterial) {
|
|
fTargetMater = pttoMaterial;
|
|
if (fLogicTarget) {
|
|
fLogicTarget->SetMaterial(fTargetMater);
|
|
}
|
|
G4RunManager::GetRunManager()->PhysicsHasBeenModified();
|
|
}
|
|
else {
|
|
G4cout << "\n--> warning from DetectorConstruction::SetTargetMaterial : " << materialChoice
|
|
<< " not found" << G4endl;
|
|
}
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::SetDetectorMaterial(G4String materialChoice)
|
|
{
|
|
// search the material by its name
|
|
G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
|
|
|
|
if (pttoMaterial) {
|
|
fDetectorMater = pttoMaterial;
|
|
if (fLogicDetector) {
|
|
fLogicDetector->SetMaterial(fDetectorMater);
|
|
}
|
|
G4RunManager::GetRunManager()->PhysicsHasBeenModified();
|
|
}
|
|
else {
|
|
G4cout << "\n--> warning from DetectorConstruction::SetDetectorMaterial : " << materialChoice
|
|
<< " not found" << G4endl;
|
|
}
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::SetTargetRadius(G4double value)
|
|
{
|
|
fTargetRadius = value;
|
|
G4RunManager::GetRunManager()->ReinitializeGeometry();
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::SetTargetLength(G4double value)
|
|
{
|
|
fTargetLength = value;
|
|
G4RunManager::GetRunManager()->ReinitializeGeometry();
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::SetDetectorThickness(G4double value)
|
|
{
|
|
fDetectorThickness = value;
|
|
G4RunManager::GetRunManager()->ReinitializeGeometry();
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::SetDetectorLength(G4double value)
|
|
{
|
|
fDetectorLength = value;
|
|
G4RunManager::GetRunManager()->ReinitializeGeometry();
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4double DetectorConstruction::GetTargetLength()
|
|
{
|
|
return fTargetLength;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4double DetectorConstruction::GetTargetRadius()
|
|
{
|
|
return fTargetRadius;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4Material* DetectorConstruction::GetTargetMaterial()
|
|
{
|
|
return fTargetMater;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4LogicalVolume* DetectorConstruction::GetLogicTarget()
|
|
{
|
|
return fLogicTarget;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4double DetectorConstruction::GetDetectorLength()
|
|
{
|
|
return fDetectorLength;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4double DetectorConstruction::GetDetectorThickness()
|
|
{
|
|
return fDetectorThickness;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4Material* DetectorConstruction::GetDetectorMaterial()
|
|
{
|
|
return fDetectorMater;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4LogicalVolume* DetectorConstruction::GetLogicDetector()
|
|
{
|
|
return fLogicDetector;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|