Gabriele Cosmo
216 lines
8.0 KiB
C++
216 lines
8.0 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 electromagnetic/TestEm12/src/DetectorConstruction.cc
|
|
/// \brief Implementation of the DetectorConstruction class
|
|
//
|
|
// $Id: DetectorConstruction.cc 99442 2016-09-22 08:36:14Z gcosmo $
|
|
//
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
#include "DetectorConstruction.hh"
|
|
#include "DetectorMessenger.hh"
|
|
|
|
#include "G4NistManager.hh"
|
|
#include "G4Sphere.hh"
|
|
#include "G4LogicalVolume.hh"
|
|
#include "G4VPhysicalVolume.hh"
|
|
#include "G4PVPlacement.hh"
|
|
#include "G4PVReplica.hh"
|
|
|
|
#include "G4GeometryManager.hh"
|
|
#include "G4PhysicalVolumeStore.hh"
|
|
#include "G4LogicalVolumeStore.hh"
|
|
#include "G4SolidStore.hh"
|
|
#include "G4RunManager.hh"
|
|
|
|
#include "G4UnitsTable.hh"
|
|
#include "G4PhysicalConstants.hh"
|
|
#include "G4SystemOfUnits.hh"
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
DetectorConstruction::DetectorConstruction()
|
|
: G4VUserDetectorConstruction(),
|
|
fAbsorMaterial(nullptr),
|
|
fAbsor(nullptr)
|
|
{
|
|
// default parameter values
|
|
fAbsorRadius = 3*cm;
|
|
fNbOfLayers = 1;
|
|
|
|
DefineMaterials();
|
|
SetMaterial("G4_WATER");
|
|
|
|
// create commands for interactive definition of the detector
|
|
fDetectorMessenger = new DetectorMessenger(this);
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
DetectorConstruction::~DetectorConstruction()
|
|
{ delete fDetectorMessenger;}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::DefineMaterials()
|
|
{
|
|
G4NistManager* man = G4NistManager::Instance();
|
|
|
|
man->FindOrBuildMaterial("G4_Al");
|
|
man->FindOrBuildMaterial("G4_Si");
|
|
man->FindOrBuildMaterial("G4_Fe");
|
|
man->FindOrBuildMaterial("G4_Ge");
|
|
man->FindOrBuildMaterial("G4_W");
|
|
man->FindOrBuildMaterial("G4_Pb");
|
|
|
|
man->FindOrBuildMaterial("G4_AIR");
|
|
man->FindOrBuildMaterial("G4_WATER");
|
|
|
|
///G4cout << *(G4Material::GetMaterialTable()) << G4endl;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4VPhysicalVolume* DetectorConstruction::Construct()
|
|
{
|
|
// Absorber
|
|
//
|
|
G4Sphere*
|
|
sAbsor = new G4Sphere("Absorber", //name
|
|
0., fAbsorRadius, 0., twopi, 0., pi); //size
|
|
|
|
fSpheres.push_back(sAbsor);
|
|
|
|
G4LogicalVolume*
|
|
lAbsor = new G4LogicalVolume(sAbsor, //solid
|
|
fAbsorMaterial, //material
|
|
"Absorber"); //name
|
|
fLVolumes.push_back(lAbsor);
|
|
|
|
fAbsor = new G4PVPlacement(0, //no rotation
|
|
G4ThreeVector(), //at (0,0,0)
|
|
lAbsor, //logical volume
|
|
"Absorber", //name
|
|
0, //mother volume
|
|
false, //no boolean operation
|
|
0); //copy number
|
|
|
|
// Layers
|
|
//
|
|
fLayerThickness = fAbsorRadius/fNbOfLayers;
|
|
|
|
for (G4int i=1; i<=fNbOfLayers; i++) {
|
|
G4Sphere*
|
|
sLayer = new G4Sphere("Layer", (i-1)*fLayerThickness, i*fLayerThickness,
|
|
0., twopi, 0., pi);
|
|
|
|
fSpheres.push_back(sLayer);
|
|
|
|
G4LogicalVolume*
|
|
lLayer = new G4LogicalVolume(sLayer, //shape
|
|
fAbsorMaterial, //material
|
|
"Layer"); //name
|
|
fLVolumes.push_back(lLayer);
|
|
|
|
new G4PVPlacement(0, //no rotation
|
|
G4ThreeVector(), //at (0,0,0)
|
|
lLayer, //logical volume
|
|
"Layer", //name
|
|
lAbsor, //mother volume
|
|
false, //no boolean operation
|
|
i); //copy number
|
|
|
|
}
|
|
|
|
PrintParameters();
|
|
|
|
//
|
|
//always return the root volume
|
|
//
|
|
return fAbsor;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::PrintParameters()
|
|
{
|
|
G4cout << "\n---------------------------------------------------------\n";
|
|
G4cout << "---> The Absorber is a sphere of "
|
|
<< G4BestUnit(fAbsorRadius,"Length") << " radius of "
|
|
<< fAbsorMaterial->GetName() << " divided in " << fNbOfLayers
|
|
<< " slices of " << G4BestUnit(fLayerThickness,"Length")
|
|
<< "\n \n" << fAbsorMaterial << G4endl;
|
|
G4cout << "\n---------------------------------------------------------\n";
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::SetRadius(G4double value)
|
|
{
|
|
// geometry was already constructed - scale radii of all spheres
|
|
if(fAbsor) {
|
|
G4double scale = value/fAbsorRadius;
|
|
for (auto solid : fSpheres) {
|
|
if(scale > 1.0) {
|
|
solid->SetOuterRadius(solid->GetOuterRadius()*scale);
|
|
solid->SetInnerRadius(solid->GetInnerRadius()*scale);
|
|
} else {
|
|
solid->SetInnerRadius(solid->GetInnerRadius()*scale);
|
|
solid->SetOuterRadius(solid->GetOuterRadius()*scale);
|
|
}
|
|
}
|
|
}
|
|
fAbsorRadius = value;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::SetMaterial(G4String materialChoice)
|
|
{
|
|
// search the material by its name
|
|
G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
|
|
|
|
if (pttoMaterial && pttoMaterial != fAbsorMaterial) {
|
|
fAbsorMaterial = pttoMaterial;
|
|
G4RunManager::GetRunManager()->PhysicsHasBeenModified();
|
|
|
|
// geometry was already constructed - only change material
|
|
if(fAbsor) {
|
|
for (auto lv : fLVolumes) { lv->SetMaterial(fAbsorMaterial); }
|
|
}
|
|
}
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void DetectorConstruction::SetNbOfLayers(G4int value)
|
|
{
|
|
fNbOfLayers = value;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|