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geant4/examples/extended/biasing/B01/src/B01DetectorConstruction.cc
T
Gabriele Cosmo db49709b53 Import Geant4 10.5.0 source tree
2018-12-07 15:15:39 +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 biasing/B01/src/B01DetectorConstruction.cc
/// \brief Implementation of the B01DetectorConstruction class
//
//
//
#include "G4Types.hh"
#include <sstream>
#include <set>
#include "globals.hh"
#include "B01DetectorConstruction.hh"
#include "G4Material.hh"
#include "G4Box.hh"
#include "G4Tubs.hh"
#include "G4LogicalVolume.hh"
#include "G4ThreeVector.hh"
#include "G4PVPlacement.hh"
#include "G4VisAttributes.hh"
#include "G4Colour.hh"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
// For Primitive Scorers
#include "G4SDManager.hh"
#include "G4MultiFunctionalDetector.hh"
#include "G4SDParticleFilter.hh"
#include "G4PSNofCollision.hh"
#include "G4PSPopulation.hh"
#include "G4PSTrackCounter.hh"
#include "G4PSTrackLength.hh"
// for importance biasing
#include "G4IStore.hh"
// for weight window technique
#include "G4WeightWindowStore.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
B01DetectorConstruction::B01DetectorConstruction() :
G4VUserDetectorConstruction(),
fLogicalVolumeVector(),fPhysicalVolumeVector()
{;}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
B01DetectorConstruction::~B01DetectorConstruction()
{
fLogicalVolumeVector.clear();
fPhysicalVolumeVector.clear();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4VPhysicalVolume* B01DetectorConstruction::Construct()
{
G4double pos_x;
G4double pos_y;
G4double pos_z;
G4double density, pressure, temperature;
G4double A;
G4int Z;
G4String name, symbol;
G4double z;
G4double fractionmass;
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 = 16.00*g/mole;
G4Element* elO = new G4Element(name="Oxygen" ,symbol="O" , Z= 8, A);
A = 22.99*g/mole;
G4Element* elNa = new G4Element(name="Natrium" ,symbol="Na" , Z=11 , A);
A = 200.59*g/mole;
G4Element* elHg = new G4Element(name="Hg" ,symbol="Hg" , Z=80, A);
A = 26.98*g/mole;
G4Element* elAl = new G4Element(name="Aluminium" ,symbol="Al" , Z=13, A);
A = 28.09*g/mole;
G4Element* elSi = new G4Element(name="Silicon", symbol="Si", Z=14, A);
A = 39.1*g/mole;
G4Element* elK = new G4Element(name="K" ,symbol="K" , Z=19 , A);
A = 69.72*g/mole;
G4Element* elCa = new G4Element(name="Calzium" ,symbol="Ca" , Z=31 , A);
A = 55.85*g/mole;
G4Element* elFe = new G4Element(name="Iron" ,symbol="Fe", Z=26, A);
density = universe_mean_density; //from PhysicalConstants.h
pressure = 3.e-18*pascal;
temperature = 2.73*kelvin;
G4Material *Galactic =
new G4Material(name="Galactic", z=1., A=1.01*g/mole, density,
kStateGas,temperature,pressure);
density = 2.03*g/cm3;
G4Material* Concrete = new G4Material("Concrete", density, 10);
Concrete->AddElement(elH , fractionmass= 0.01);
Concrete->AddElement(elO , fractionmass= 0.529);
Concrete->AddElement(elNa , fractionmass= 0.016);
Concrete->AddElement(elHg , fractionmass= 0.002);
Concrete->AddElement(elAl , fractionmass= 0.034);
Concrete->AddElement(elSi , fractionmass= 0.337);
Concrete->AddElement(elK , fractionmass= 0.013);
Concrete->AddElement(elCa , fractionmass= 0.044);
Concrete->AddElement(elFe , fractionmass= 0.014);
Concrete->AddElement(elC , fractionmass= 0.001);
/////////////////////////////
// world cylinder volume
////////////////////////////
// world solid
G4double innerRadiusCylinder = 0*cm;
G4double outerRadiusCylinder = 100*cm;
G4double heightCylinder = 100*cm;
G4double startAngleCylinder = 0*deg;
G4double spanningAngleCylinder = 360*deg;
G4Tubs *worldCylinder = new G4Tubs("worldCylinder",
innerRadiusCylinder,
outerRadiusCylinder,
heightCylinder,
startAngleCylinder,
spanningAngleCylinder);
// logical world
G4LogicalVolume *worldCylinder_log =
new G4LogicalVolume(worldCylinder, Galactic, "worldCylinder_log");
fLogicalVolumeVector.push_back(worldCylinder_log);
name = "shieldWorld";
fWorldVolume = new
G4PVPlacement(0, G4ThreeVector(0,0,0), worldCylinder_log,
name, 0, false, 0);
fPhysicalVolumeVector.push_back(fWorldVolume);
// creating 18 slabs of 10 cm thick concrete
G4double innerRadiusShield = 0*cm;
G4double outerRadiusShield = 100*cm;
G4double heightShield = 5*cm;
G4double startAngleShield = 0*deg;
G4double spanningAngleShield = 360*deg;
G4Tubs *aShield = new G4Tubs("aShield",
innerRadiusShield,
outerRadiusShield,
heightShield,
startAngleShield,
spanningAngleShield);
// logical shield
G4LogicalVolume *aShield_log =
new G4LogicalVolume(aShield, Concrete, "aShield_log");
fLogicalVolumeVector.push_back(aShield_log);
G4VisAttributes* pShieldVis = new G4VisAttributes(G4Colour(0.0,0.0,1.0));
pShieldVis->SetForceSolid(true);
aShield_log->SetVisAttributes(pShieldVis);
// physical shields
G4int i;
G4double startz = -85*cm;
for (i=1; i<=18; i++)
{
name = GetCellName(i);
pos_x = 0*cm;
pos_y = 0*cm;
pos_z = startz + (i-1) * (2*heightShield);
G4VPhysicalVolume *pvol =
new G4PVPlacement(0,
G4ThreeVector(pos_x, pos_y, pos_z),
aShield_log,
name,
worldCylinder_log,
false,
i);
fPhysicalVolumeVector.push_back(pvol);
}
// filling the rest of the world volume behind the concrete with
// another slab which should get the same importance value
// or lower weight bound as the last slab
//
innerRadiusShield = 0*cm;
outerRadiusShield = 100*cm;
heightShield = 5*cm;
startAngleShield = 0*deg;
spanningAngleShield = 360*deg;
G4Tubs *aRest = new G4Tubs("Rest",
innerRadiusShield,
outerRadiusShield,
heightShield,
startAngleShield,
spanningAngleShield);
G4LogicalVolume *aRest_log =
new G4LogicalVolume(aRest, Galactic, "aRest_log");
fLogicalVolumeVector.push_back(aRest_log);
name = "rest";
pos_x = 0*cm;
pos_y = 0*cm;
pos_z = 95*cm;
G4VPhysicalVolume *pvol_rest =
new G4PVPlacement(0,
G4ThreeVector(pos_x, pos_y, pos_z),
aRest_log,
name,
worldCylinder_log,
false,
19); // i=19
fPhysicalVolumeVector.push_back(pvol_rest);
SetSensitive();
return fWorldVolume;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4VIStore* B01DetectorConstruction::CreateImportanceStore()
{
G4cout << " B01DetectorConstruction:: Creating Importance Store " << G4endl;
if (!fPhysicalVolumeVector.size())
{
G4Exception("B01DetectorConstruction::CreateImportanceStore"
,"exampleB01_0001",RunMustBeAborted
,"no physical volumes created yet!");
}
fWorldVolume = fPhysicalVolumeVector[0];
// creating and filling the importance store
G4IStore *istore = G4IStore::GetInstance();
G4int n = 0;
G4double imp =1;
istore->AddImportanceGeometryCell(1, *fWorldVolume);
for (std::vector<G4VPhysicalVolume *>::iterator
it = fPhysicalVolumeVector.begin();
it != fPhysicalVolumeVector.end() - 1; it++)
{
if (*it != fWorldVolume)
{
imp = std::pow(2., n++);
G4cout << "Going to assign importance: " << imp << ", to volume: "
<< (*it)->GetName() << G4endl;
istore->AddImportanceGeometryCell(imp, *(*it),n);
}
}
// the remaining part pf the geometry (rest) gets the same
// importance as the last conrete cell
//
istore->AddImportanceGeometryCell(imp,
*(fPhysicalVolumeVector[fPhysicalVolumeVector.size()-1]),++n);
return istore;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4VWeightWindowStore *B01DetectorConstruction::CreateWeightWindowStore()
{
if (!fPhysicalVolumeVector.size())
{
G4Exception("B01DetectorConstruction::CreateWeightWindowStore"
,"exampleB01_0002",RunMustBeAborted
,"no physical volumes created yet!");
}
fWorldVolume = fPhysicalVolumeVector[0];
// creating and filling the weight window store
G4WeightWindowStore *wwstore = G4WeightWindowStore::GetInstance();
// create one energy region covering the energies of the problem
//
std::set<G4double, std::less<G4double> > enBounds;
enBounds.insert(1 * GeV);
wwstore->SetGeneralUpperEnergyBounds(enBounds);
G4int n = 0;
G4double lowerWeight =1;
std::vector<G4double> lowerWeights;
lowerWeights.push_back(1);
G4GeometryCell gWorldCell(*fWorldVolume,0);
wwstore->AddLowerWeights(gWorldCell, lowerWeights);
for (std::vector<G4VPhysicalVolume *>::iterator
it = fPhysicalVolumeVector.begin();
it != fPhysicalVolumeVector.end() - 1; it++)
{
if (*it != fWorldVolume)
{
lowerWeight = 1./std::pow(2., n++);
G4cout << "Going to assign lower weight: " << lowerWeight
<< ", to volume: "
<< (*it)->GetName() << G4endl;
G4GeometryCell gCell(*(*it),n);
lowerWeights.clear();
lowerWeights.push_back(lowerWeight);
wwstore->AddLowerWeights(gCell, lowerWeights);
}
}
// the remaining part pf the geometry (rest) gets the same
// lower weight bound as the last conrete cell
//
G4GeometryCell
gRestCell(*(fPhysicalVolumeVector[fPhysicalVolumeVector.size()-1]), ++n);
wwstore->AddLowerWeights(gRestCell, lowerWeights);
return wwstore;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4String B01DetectorConstruction::GetCellName(G4int i)
{
std::ostringstream os;
os << "cell_";
if (i<10)
{
os << "0";
}
os << i ;
G4String name = os.str();
return name;
}
G4VPhysicalVolume *B01DetectorConstruction::GetWorldVolume() {
return fWorldVolume;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void B01DetectorConstruction::SetSensitive(){
// -------------------------------------------------
// The collection names of defined Primitives are
// 0 ConcreteSD/Collisions
// 1 ConcreteSD/CollWeight
// 2 ConcreteSD/Population
// 3 ConcreteSD/TrackEnter
// 4 ConcreteSD/SL
// 5 ConcreteSD/SLW
// 6 ConcreteSD/SLWE
// 7 ConcreteSD/SLW_V
// 8 ConcreteSD/SLWE_V
// -------------------------------------------------
// moved to ConstructSDandField() for MT compliance
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void B01DetectorConstruction::ConstructSDandField()
{
// Sensitive Detector Manager.
G4SDManager* SDman = G4SDManager::GetSDMpointer();
// Sensitive Detector Name
G4String concreteSDname = "ConcreteSD";
//------------------------
// MultiFunctionalDetector
//------------------------
//
// Define MultiFunctionalDetector with name.
G4MultiFunctionalDetector* MFDet =
new G4MultiFunctionalDetector(concreteSDname);
SDman->AddNewDetector( MFDet ); // Register SD to SDManager
G4String fltName,particleName;
G4SDParticleFilter* neutronFilter =
new G4SDParticleFilter(fltName="neutronFilter", particleName="neutron");
MFDet->SetFilter(neutronFilter);
for (std::vector<G4LogicalVolume *>::iterator it =
fLogicalVolumeVector.begin();
it != fLogicalVolumeVector.end(); it++){
// (*it)->SetSensitiveDetector(MFDet);
SetSensitiveDetector((*it)->GetName(), MFDet);
}
G4String psName;
G4PSNofCollision* scorer0 = new G4PSNofCollision(psName="Collisions");
MFDet->RegisterPrimitive(scorer0);
G4PSNofCollision* scorer1 = new G4PSNofCollision(psName="CollWeight");
scorer1->Weighted(true);
MFDet->RegisterPrimitive(scorer1);
G4PSPopulation* scorer2 = new G4PSPopulation(psName="Population");
MFDet->RegisterPrimitive(scorer2);
G4PSTrackCounter* scorer3 = new G4PSTrackCounter(psName="TrackEnter"
,fCurrent_In);
MFDet->RegisterPrimitive(scorer3);
G4PSTrackLength* scorer4 = new G4PSTrackLength(psName="SL");
MFDet->RegisterPrimitive(scorer4);
G4PSTrackLength* scorer5 = new G4PSTrackLength(psName="SLW");
scorer5->Weighted(true);
MFDet->RegisterPrimitive(scorer5);
G4PSTrackLength* scorer6 = new G4PSTrackLength(psName="SLWE");
scorer6->Weighted(true);
scorer6->MultiplyKineticEnergy(true);
MFDet->RegisterPrimitive(scorer6);
G4PSTrackLength* scorer7 = new G4PSTrackLength(psName="SLW_V");
scorer7->Weighted(true);
scorer7->DivideByVelocity(true);
MFDet->RegisterPrimitive(scorer7);
G4PSTrackLength* scorer8 = new G4PSTrackLength(psName="SLWE_V");
scorer8->Weighted(true);
scorer8->MultiplyKineticEnergy(true);
scorer8->DivideByVelocity(true);
MFDet->RegisterPrimitive(scorer8);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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