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geant4/examples/extended/field/field02/src/F02DetectorConstruction.cc
T
Gabriele Cosmo a3452e42ac Import Geant4 10.3.0 source tree
2016-12-09 12:35:28 +01:00

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//
// ********************************************************************
// * 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 field/field02/src/F02DetectorConstruction.cc
/// \brief Implementation of the F02DetectorConstruction class
//
//
// $Id: F02DetectorConstruction.cc 101665 2016-11-21 09:11:07Z gcosmo $
//
//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
#include "F02DetectorConstruction.hh"
#include "F02DetectorMessenger.hh"
#include "F02CalorimeterSD.hh"
#include "F02ElectricFieldSetup.hh"
#include "G4GeometryManager.hh"
#include "G4PhysicalVolumeStore.hh"
#include "G4LogicalVolumeStore.hh"
#include "G4SolidStore.hh"
#include "G4Material.hh"
#include "G4Tubs.hh"
#include "G4LogicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4RunManager.hh"
#include "G4AutoDelete.hh"
#include "G4SDManager.hh"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
F02DetectorConstruction::F02DetectorConstruction()
: G4VUserDetectorConstruction(),
fDetectorMessenger(0),
fSolidWorld(0), fLogicWorld(0), fPhysiWorld(0),
fSolidAbsorber(0),fLogicAbsorber(0), fPhysiAbsorber(0),
fAbsorberMaterial(0), fAbsorberThickness(0.), fAbsorberRadius(0.),
fWorldChanged(false), fZAbsorber(0.), fZStartAbs(0.), fZEndAbs(0.),
fWorldMaterial(0), fWorldSizeR(0.), fWorldSizeZ(0.)
{
// default parameter values of the calorimeter
fWorldSizeZ = 80.*cm;
fWorldSizeR = 20.*cm;
fAbsorberThickness = 40.0*mm;
fAbsorberRadius = 10.*cm;
fZAbsorber = 36.*cm;
// create commands for interactive definition of the calorimeter
fDetectorMessenger = new F02DetectorMessenger(this);
// create materials
DefineMaterials();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
F02DetectorConstruction::~F02DetectorConstruction()
{
delete fDetectorMessenger;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4VPhysicalVolume* F02DetectorConstruction::Construct()
{
return ConstructCalorimeter();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void F02DetectorConstruction::DefineMaterials()
{
//This function illustrates the possible ways to define materials
G4String name, symbol; // a=mass of a mole;
G4double a, z, density; // z=mean number of protons;
G4int nel;
G4int ncomponents;
G4double fractionmass, pressure, temperature;
//
// define Elements
//
a = 1.01*g/mole;
G4Element* elH = new G4Element(name="Hydrogen",symbol="H" , z= 1., a);
a = 12.01*g/mole;
G4Element* elC = new G4Element(name="Carbon", symbol="C", z=6., a);
a = 14.01*g/mole;
G4Element* elN = new G4Element(name="Nitrogen",symbol="N" , z= 7., a);
a = 16.00*g/mole;
G4Element* elO = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a);
a = 39.948*g/mole;
G4Element* elAr = new G4Element(name="Argon", symbol="Ar", z=18., a);
//
// define simple materials
//
// Mylar
density = 1.39*g/cm3;
G4Material* mylar = new G4Material(name="Mylar", density, nel=3);
mylar->AddElement(elO,2);
mylar->AddElement(elC,5);
mylar->AddElement(elH,4);
// Polypropelene
G4Material* CH2 = new G4Material ("Polypropelene" , 0.91*g/cm3, 2);
CH2->AddElement(elH,2);
CH2->AddElement(elC,1);
// Krypton as detector gas, STP
density = 3.700*mg/cm3;
a = 83.80*g/mole;
G4Material* Kr = new G4Material(name="Kr",z=36., a, density );
// Dry air (average composition)
density = 1.7836*mg/cm3; // STP
G4Material* argon = new G4Material(name="Argon" , density, ncomponents=1);
argon->AddElement(elAr, 1);
density = 1.25053*mg/cm3; // STP
G4Material* nitrogen = new G4Material(name="N2" , density, ncomponents=1);
nitrogen->AddElement(elN, 2);
density = 1.4289*mg/cm3; // STP
G4Material* oxygen = new G4Material(name="O2" , density, ncomponents=1);
oxygen->AddElement(elO, 2);
density = 1.2928*mg/cm3; // STP
temperature = STP_Temperature;
pressure = 1.0e-0*STP_Pressure;
G4Material* air = new G4Material(name="Air" , density, ncomponents=3,
kStateGas,temperature,pressure);
air->AddMaterial( nitrogen, fractionmass = 0.7557 );
air->AddMaterial( oxygen, fractionmass = 0.2315 );
air->AddMaterial( argon, fractionmass = 0.0128 );
// Xenon as detector gas, STP
density = 5.858*mg/cm3;
a = 131.29*g/mole;
G4Material* Xe = new G4Material(name="Xenon",z=54., a, density );
// Carbon dioxide, STP
density = 1.842*mg/cm3;
G4Material* CarbonDioxide = new G4Material(name="CO2", density, nel=2);
CarbonDioxide->AddElement(elC,1);
CarbonDioxide->AddElement(elO,2);
// 80% Xe + 20% CO2, STP
density = 5.0818*mg/cm3;
G4Material* Xe20CO2 = new G4Material(name="Xe20CO2", density, ncomponents=2);
Xe20CO2->AddMaterial( Xe, fractionmass = 0.922 );
Xe20CO2->AddMaterial( CarbonDioxide, fractionmass = 0.078 );
// 80% Kr + 20% CO2, STP
density = 3.601*mg/cm3;
G4Material* Kr20CO2 = new G4Material(name="Kr20CO2", density, ncomponents=2);
Kr20CO2->AddMaterial( Kr, fractionmass = 0.89 );
Kr20CO2->AddMaterial( CarbonDioxide, fractionmass = 0.11 );
G4cout << *(G4Material::GetMaterialTable()) << G4endl;
// default materials of the calorimeter
fAbsorberMaterial = Kr20CO2; // XeCO2CF4;
fWorldMaterial = air;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4VPhysicalVolume* F02DetectorConstruction::ConstructCalorimeter()
{
// Cleanup old geometry
if (fPhysiWorld)
{
G4GeometryManager::GetInstance()->OpenGeometry();
G4PhysicalVolumeStore::GetInstance()->Clean();
G4LogicalVolumeStore::GetInstance()->Clean();
G4SolidStore::GetInstance()->Clean();
}
// complete the Calor parameters definition and Print
ComputeCalorParameters();
PrintCalorParameters();
// World
fSolidWorld = new G4Tubs("World", // its name
0.,fWorldSizeR,fWorldSizeZ/2.,0.,twopi);// its size
fLogicWorld = new G4LogicalVolume(fSolidWorld, // its solid
fWorldMaterial, // 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 op.
0); // copy number
// Absorber
fSolidAbsorber = new G4Tubs("Absorber",0.,
fAbsorberRadius,
fAbsorberThickness/2.,
0.0,twopi);
fLogicAbsorber = new G4LogicalVolume(fSolidAbsorber,
fAbsorberMaterial,
"Absorber");
fPhysiAbsorber = new G4PVPlacement(0,
G4ThreeVector(0.,0.,fZAbsorber),
"Absorber",
fLogicAbsorber,
fPhysiWorld,
false,
0);
return fPhysiWorld;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void F02DetectorConstruction::PrintCalorParameters()
{
G4cout << "\n The WORLD is made of "
<< fWorldSizeZ/mm << "mm of " << fWorldMaterial->GetName();
G4cout << ", the transverse size (R) of the world is "
<< fWorldSizeR/mm << " mm. " << G4endl;
G4cout << " The ABSORBER is made of "
<< fAbsorberThickness/mm << "mm of " << fAbsorberMaterial->GetName();
G4cout << ", the transverse size (R) is " << fAbsorberRadius/mm
<< " mm. " << G4endl;
G4cout << " Z position of the (middle of the) absorber "
<< fZAbsorber/mm << " mm." << G4endl;
G4cout << G4endl;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void F02DetectorConstruction::SetAbsorberMaterial(G4String materialChoice)
{
// get the pointer to the material table
const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
// search the material by its name
G4Material* material;
for (size_t j=0 ; j<theMaterialTable->size() ; j++)
{ material = (*theMaterialTable)[j];
if (material->GetName() == materialChoice)
{
fAbsorberMaterial = material;
fLogicAbsorber->SetMaterial(material);
G4RunManager::GetRunManager()->PhysicsHasBeenModified();
}
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void F02DetectorConstruction::SetWorldMaterial(G4String materialChoice)
{
// get the pointer to the material table
const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
// search the material by its name
G4Material* material;
for (size_t j=0 ; j<theMaterialTable->size() ; j++)
{ material = (*theMaterialTable)[j];
if(material->GetName() == materialChoice)
{
fWorldMaterial = material;
fLogicWorld->SetMaterial(material);
G4RunManager::GetRunManager()->PhysicsHasBeenModified();
}
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void F02DetectorConstruction::SetAbsorberThickness(G4double val)
{
// change Absorber thickness and recompute the calorimeter parameters
fAbsorberThickness = val;
ComputeCalorParameters();
G4RunManager::GetRunManager()->ReinitializeGeometry();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void F02DetectorConstruction::SetAbsorberRadius(G4double val)
{
// change the transverse size and recompute the calorimeter parameters
fAbsorberRadius = val;
ComputeCalorParameters();
G4RunManager::GetRunManager()->ReinitializeGeometry();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void F02DetectorConstruction::SetWorldSizeZ(G4double val)
{
fWorldChanged = true;
fWorldSizeZ = val;
ComputeCalorParameters();
G4RunManager::GetRunManager()->ReinitializeGeometry();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void F02DetectorConstruction::SetWorldSizeR(G4double val)
{
fWorldChanged = true;
fWorldSizeR = val;
ComputeCalorParameters();
G4RunManager::GetRunManager()->ReinitializeGeometry();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void F02DetectorConstruction::SetAbsorberZpos(G4double val)
{
fZAbsorber = val;
ComputeCalorParameters();
G4RunManager::GetRunManager()->ReinitializeGeometry();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void F02DetectorConstruction::ConstructSDandField()
{
// Sensitive Detectors: Absorber
if (!fCalorimeterSD.Get()) {
F02CalorimeterSD* calorimeterSD = new F02CalorimeterSD("CalorSD",this);
fCalorimeterSD.Put(calorimeterSD);
}
G4SDManager::GetSDMpointer()->AddNewDetector(fCalorimeterSD.Get());
SetSensitiveDetector(fLogicAbsorber, fCalorimeterSD.Get());
// Construct the field creator - this will register the field it creates
if (!fEmFieldSetup.Get()) {
F02ElectricFieldSetup* fieldSetup = new F02ElectricFieldSetup();
G4AutoDelete::Register(fieldSetup); //Kernel will delete the messenger
fEmFieldSetup.Put(fieldSetup);
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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