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geant4/examples/extended/runAndEvent/RE06/src/RE06DetectorConstruction.cc
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2016-12-09 12:35:28 +01:00

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//
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//
/// \file RE06/src/RE06DetectorConstruction.cc
/// \brief Implementation of the RE06DetectorConstruction class
//
// $Id: RE06DetectorConstruction.cc 101905 2016-12-07 11:34:39Z gunter $
//
#include "RE06DetectorConstruction.hh"
#include "G4RunManager.hh"
#include "G4Material.hh"
#include "G4Box.hh"
#include "G4LogicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4PVReplica.hh"
#include "G4VisAttributes.hh"
#include "G4Colour.hh"
#include "G4SDManager.hh"
#include "G4MultiFunctionalDetector.hh"
#include "G4VPrimitiveScorer.hh"
#include "G4PSEnergyDeposit.hh"
#include "G4PSNofSecondary.hh"
#include "G4PSTrackLength.hh"
#include "G4PSNofStep.hh"
#include "G4PSMinKinEAtGeneration.hh"
#include "G4VSDFilter.hh"
#include "G4SDParticleFilter.hh"
#include "G4ios.hh"
#include "RE06DetectorMessenger.hh"
#include "RE06PrimaryGeneratorAction.hh"
#include "RE06ParallelWorld.hh"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4ThreadLocal G4bool RE06DetectorConstruction::fConstructedSDandField = false;
RE06DetectorConstruction::RE06DetectorConstruction()
: G4VUserDetectorConstruction(),
fNumberOfLayers(40),
fTotalThickness (2.0*m),
fLayerThickness(0.),
fConstructed(false),
fWorldMaterial(0),
fAbsorberMaterial(0),
fGapMaterial(0),
fLayerSolid(0),
fGapSolid(0),
fWorldLogical(0),
fWorldPhysical(0),
fSerial(false),
fDetectorMessenger(0),
fVerboseLevel(1)
{
fLayerThickness = fTotalThickness / fNumberOfLayers;
for(size_t i=0;i<3;i++)
{
fCalorLogical[i] = 0;
fLayerLogical[i] = 0;
fGapLogical[i] = 0;
fCalorPhysical[i] = 0;
fLayerPhysical[i] = 0;
fGapPhysical[i] = 0;
}
fCalName[0] = "Calor-A";
fCalName[1] = "Calor-B";
fCalName[2] = "Calor-C";
fDetectorMessenger = new RE06DetectorMessenger(this);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
RE06DetectorConstruction::~RE06DetectorConstruction()
{ delete fDetectorMessenger;}
G4VPhysicalVolume* RE06DetectorConstruction::Construct()
{
if(!fConstructed)
{
fConstructed = true;
DefineMaterials();
SetupGeometry();
}
if (GetVerboseLevel()>0) {
PrintCalorParameters();
}
return fWorldPhysical;
}
void RE06DetectorConstruction::ConstructSDandField()
{
if(!fConstructedSDandField)
{
fConstructedSDandField = true;
SetupDetectors();
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE06DetectorConstruction::DefineMaterials()
{
G4String name, symbol; //a=mass of a mole;
G4double a, z, density; //z=mean number of protons;
G4int iz; //iz=number of protons in an isotope;
G4int n; // n=number of nucleons in an isotope;
G4int ncomponents, natoms;
G4double abundance, fractionmass;
G4double temperature, pressure;
//
// define Elements
//
a = 1.01*g/mole;
G4Element* H = new G4Element(name="Hydrogen",symbol="H" , z= 1., a);
a = 12.01*g/mole;
G4Element* C = new G4Element(name="Carbon" ,symbol="C" , z= 6., a);
a = 14.01*g/mole;
G4Element* N = new G4Element(name="Nitrogen",symbol="N" , z= 7., a);
a = 16.00*g/mole;
G4Element* O = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a);
//
// define an Element from isotopes, by relative abundance
//
G4Isotope* U5 = new G4Isotope(name="U235", iz=92, n=235, a=235.01*g/mole);
G4Isotope* U8 = new G4Isotope(name="U238", iz=92, n=238, a=238.03*g/mole);
G4Element* U = new G4Element(name="enriched Uranium",symbol="U",ncomponents=2);
U->AddIsotope(U5, abundance= 90.*perCent);
U->AddIsotope(U8, abundance= 10.*perCent);
//
// define simple materials
//
new G4Material(name="Aluminium", z=13., a=26.98*g/mole, density=2.700*g/cm3);
new G4Material(name="Silicon", z=14., a= 28.09*g/mole, density= 2.33*g/cm3);
new G4Material(name="Iron", z=26., a=55.85*g/mole, density=7.87*g/cm3);
new G4Material(name="ArgonGas",z=18., a= 39.95*g/mole, density=1.782*mg/cm3);
new G4Material(name="He", z=2., a=4.0*g/mole, density=0.1786e-03*g/cm3);
density = 1.390*g/cm3;
a = 39.95*g/mole;
G4Material* lAr = new G4Material(name="liquidArgon", z=18., a, density);
density = 11.35*g/cm3;
a = 207.19*g/mole;
G4Material* Pb = new G4Material(name="Lead" , z=82., a, density);
//
// define a material from elements. case 1: chemical molecule
//
density = 1.000*g/cm3;
G4Material* H2O = new G4Material(name="Water", density, ncomponents=2);
H2O->AddElement(H, natoms=2);
H2O->AddElement(O, natoms=1);
density = 1.032*g/cm3;
G4Material* Sci = new G4Material(name="Scintillator", density, ncomponents=2);
Sci->AddElement(C, natoms=9);
Sci->AddElement(H, natoms=10);
//
// define a material from elements. case 2: mixture by fractional mass
//
density = 1.290*mg/cm3;
G4Material* Air = new G4Material(name="Air" , density, ncomponents=2);
Air->AddElement(N, fractionmass=0.7);
Air->AddElement(O, fractionmass=0.3);
//
// examples of vacuum
//
density = universe_mean_density;
pressure = 3.e-18*pascal;
temperature = 2.73*kelvin;
G4Material* Vacuum = new G4Material(name="Galactic", z=1., a=1.01*g/mole,
density,kStateGas,temperature,pressure);
if (GetVerboseLevel()>1) {
G4cout << *(G4Material::GetMaterialTable()) << G4endl;
}
//default materials of the calorimeter
fWorldMaterial = Vacuum;
fAbsorberMaterial = Pb;
fGapMaterial = lAr;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE06DetectorConstruction::SetupGeometry()
{
//
// World
//
G4VSolid* worldSolid = new G4Box("World",2.*m,2.*m,fTotalThickness*2.);
fWorldLogical = new G4LogicalVolume(worldSolid,fWorldMaterial,"World");
fWorldPhysical = new G4PVPlacement(0,G4ThreeVector(),fWorldLogical,"World",
0,false,0);
//
// Calorimeter
//
G4VSolid* calorSolid = new G4Box("Calor",0.5*m,0.5*m,fTotalThickness/2.);
G4int i;
for(i=0;i<3;i++)
{
fCalorLogical[i]
= new G4LogicalVolume(calorSolid,fAbsorberMaterial,fCalName[i]);
if(fSerial)
{
fCalorPhysical[i] = new G4PVPlacement(0,
G4ThreeVector(0.,0.,G4double(i-1)*fTotalThickness),
fCalorLogical[i],fCalName[i],fWorldLogical,false,i);
}
else
{
fCalorPhysical[i] = new G4PVPlacement(0,
G4ThreeVector(0.,G4double(i-1)*m,0.),
fCalorLogical[i],fCalName[i],fWorldLogical,false,i);
}
}
//
// Layers --- as absorbers
//
fLayerSolid = new G4Box("Layer",0.5*m,0.5*m,fLayerThickness/2.);
for(i=0;i<3;i++)
{
fLayerLogical[i]
= new G4LogicalVolume(fLayerSolid,fAbsorberMaterial,fCalName[i]+"_LayerLog");
fLayerPhysical[i]
= new G4PVReplica(fCalName[i]+"_Layer",fLayerLogical[i],fCalorLogical[i],
kZAxis,fNumberOfLayers,fLayerThickness);
}
//
// Gap
//
fGapSolid = new G4Box("Gap",0.5*m,0.5*m,fLayerThickness/4.);
for(i=0;i<3;i++)
{
fGapLogical[i] = new G4LogicalVolume(fGapSolid,fGapMaterial,fCalName[i]+"_Gap");
fGapPhysical[i] = new G4PVPlacement(0,G4ThreeVector(0.,0.,fLayerThickness/4.),
fGapLogical[i],fCalName[i]+"_gap",fLayerLogical[i],false,0);
}
//
// Regions
//
for(i=0;i<3;i++)
{
G4Region* aRegion = new G4Region(fCalName[i]);
fCalorLogical[i]->SetRegion(aRegion);
aRegion->AddRootLogicalVolume(fCalorLogical[i]);
}
//
// Visualization attributes
//
fWorldLogical->SetVisAttributes(G4VisAttributes::GetInvisible());
G4VisAttributes* simpleBoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
simpleBoxVisAtt->SetVisibility(true);
for(i=0;i<3;i++)
{
fCalorLogical[i]->SetVisAttributes(simpleBoxVisAtt);
fLayerLogical[i]->SetVisAttributes(simpleBoxVisAtt);
fGapLogical[i]->SetVisAttributes(simpleBoxVisAtt);
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE06DetectorConstruction::SetupDetectors()
{
G4SDManager::GetSDMpointer()->SetVerboseLevel(1);
G4String filterName, particleName;
G4SDParticleFilter* gammaFilter
= new G4SDParticleFilter(filterName="gammaFilter",particleName="gamma");
G4SDParticleFilter* electronFilter
= new G4SDParticleFilter(filterName="electronFilter",particleName="e-");
G4SDParticleFilter* positronFilter
= new G4SDParticleFilter(filterName="positronFilter",particleName="e+");
G4SDParticleFilter* epFilter
= new G4SDParticleFilter(filterName="epFilter");
epFilter->add(particleName="e-");
epFilter->add(particleName="e+");
for(G4int i=0;i<3;i++)
{
for(G4int j=0;j<2;j++)
{
// Loop counter j = 0 : absorber
// = 1 : gap
G4String detName = fCalName[i];
if(j==0)
{ detName += "_abs"; }
else
{ detName += "_gap"; }
G4MultiFunctionalDetector* det = new G4MultiFunctionalDetector(detName);
G4SDManager::GetSDMpointer()->AddNewDetector(det);
// The second argument in each primitive means the "level" of geometrical
// hierarchy, the copy number of that level is used as the key of the
// G4THitsMap.
// For absorber (j = 0), the copy number of its own physical volume is used.
// For gap (j = 1), the copy number of its mother physical volume is used,
// since there is only one physical volume of gap is placed with respect
// to its mother.
G4VPrimitiveScorer* primitive;
primitive = new G4PSEnergyDeposit("eDep",j);
det->RegisterPrimitive(primitive);
primitive = new G4PSNofSecondary("nGamma",j);
primitive->SetFilter(gammaFilter);
det->RegisterPrimitive(primitive);
primitive = new G4PSNofSecondary("nElectron",j);
primitive->SetFilter(electronFilter);
det->RegisterPrimitive(primitive);
primitive = new G4PSNofSecondary("nPositron",j);
primitive->SetFilter(positronFilter);
det->RegisterPrimitive(primitive);
primitive = new G4PSMinKinEAtGeneration("minEkinGamma",j);
primitive->SetFilter(gammaFilter);
det->RegisterPrimitive(primitive);
primitive = new G4PSMinKinEAtGeneration("minEkinElectron",j);
primitive->SetFilter(electronFilter);
det->RegisterPrimitive(primitive);
primitive = new G4PSMinKinEAtGeneration("minEkinPositron",j);
primitive->SetFilter(positronFilter);
det->RegisterPrimitive(primitive);
primitive = new G4PSTrackLength("trackLength",j);
primitive->SetFilter(epFilter);
det->RegisterPrimitive(primitive);
primitive = new G4PSNofStep("nStep",j);
primitive->SetFilter(epFilter);
det->RegisterPrimitive(primitive);
if(j==0)
{ SetSensitiveDetector(fLayerLogical[i], det); }
else
{ SetSensitiveDetector(fGapLogical[i], det);}
}
}
G4SDManager::GetSDMpointer()->SetVerboseLevel(0);
}
void RE06DetectorConstruction::PrintCalorParameters() const
{
G4cout
<< "--------------------------------------------------------" << G4endl;
if(fSerial)
{ G4cout << " Calorimeters are placed in serial." << G4endl; }
else
{ G4cout << " Calorimeters are placed in parallel." << G4endl; }
G4cout
<< " Absorber is made of " << fAbsorberMaterial->GetName() << G4endl
<< " Gap is made of " << fGapMaterial->GetName() << G4endl
<< "--------------------------------------------------------" << G4endl;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE06DetectorConstruction::SetAbsorberMaterial(G4String materialChoice)
{
// search the material by its name
G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
if(pttoMaterial)
{
fAbsorberMaterial = pttoMaterial;
if(fConstructed) for(size_t i=0;i<3;i++)
{
fCalorLogical[i]->SetMaterial(fAbsorberMaterial);
fLayerLogical[i]->SetMaterial(fAbsorberMaterial);
}
G4RunManager::GetRunManager()->GeometryHasBeenModified();
if (GetVerboseLevel()>1) {
PrintCalorParameters();
}
}
else
{
G4cerr
<< materialChoice << " is not defined. - Command is ignored." << G4endl;
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4String RE06DetectorConstruction::GetAbsorberMaterial() const
{ return fAbsorberMaterial->GetName(); }
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE06DetectorConstruction::SetGapMaterial(G4String materialChoice)
{
// search the material by its name
G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
if(pttoMaterial)
{
fGapMaterial = pttoMaterial;
if(fConstructed) for(size_t i=0;i<3;i++)
{ fGapLogical[i]->SetMaterial(fGapMaterial); }
G4RunManager::GetRunManager()->GeometryHasBeenModified();
if (GetVerboseLevel()>1) {
PrintCalorParameters();
}
}
else
{
G4cerr
<< materialChoice << " is not defined. - Command is ignored." << G4endl;
}
}
G4String RE06DetectorConstruction::GetGapMaterial() const
{ return fGapMaterial->GetName(); }
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE06DetectorConstruction::SetSerialGeometry(G4bool serial)
{
if(fSerial==serial) return;
fSerial=serial;
RE06PrimaryGeneratorAction* gen = (RE06PrimaryGeneratorAction*)
(G4RunManager::GetRunManager()->GetUserPrimaryGeneratorAction());
if(gen) gen->SetSerial(fSerial);
if(!fConstructed) return;
for(G4int i=0;i<3;i++)
{
if(fSerial)
{
fCalorPhysical[i]
->SetTranslation(G4ThreeVector(0.,0.,G4double(i-1)*2.*m));
}
else
{
fCalorPhysical[i]
->SetTranslation(G4ThreeVector(0.,G4double(i-1)*m,0.));
}
}
((RE06ParallelWorld*)GetParallelWorld(0))->SetSerialGeometry(serial);
G4RunManager::GetRunManager()->GeometryHasBeenModified();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE06DetectorConstruction::SetNumberOfLayers(G4int nl)
{
fNumberOfLayers = nl;
fLayerThickness = fTotalThickness/fNumberOfLayers;
if(!fConstructed) return;
fLayerSolid->SetZHalfLength(fLayerThickness/2.);
fGapSolid->SetZHalfLength(fLayerThickness/4.);
for(size_t i=0;i<3;i++)
{
fCalorLogical[i]->RemoveDaughter(fLayerPhysical[i]);
delete fLayerPhysical[i];
fLayerPhysical[i]
= new G4PVReplica(fCalName[i]+"_Layer",fLayerLogical[i],fCalorLogical[i],
kZAxis,fNumberOfLayers,fLayerThickness);
fGapPhysical[i]->SetTranslation(G4ThreeVector(0.,0.,fLayerThickness/4.));
}
G4RunManager::GetRunManager()->GeometryHasBeenModified();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE06DetectorConstruction::AddMaterial()
{
static G4bool isAdded = false;
if( isAdded ) return;
G4String name, symbol; //a=mass of a mole;
G4double a, z, density; //z=mean number of protons;
G4int ncomponents, natoms;
//
// define simple materials
//
new G4Material(name="Copper", z=29., a=63.546*g/mole, density=8.96*g/cm3);
new G4Material(name="Tungsten", z=74., a=183.84*g/mole, density=19.3*g/cm3);
G4Element* C = G4Element::GetElement("Carbon");
G4Element* O = G4Element::GetElement("Oxygen");
G4Material* CO2 =
new G4Material("CarbonicGas", density= 27.*mg/cm3, ncomponents=2,
kStateGas, 325.*kelvin, 50.*atmosphere);
CO2->AddElement(C, natoms=1);
CO2->AddElement(O, natoms=2);
isAdded = true;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......