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cfcb558cfe878980ff27cb0f36e68fb643b56b15
geant4/examples/extended/electromagnetic/TestEm8/src/Em8DetectorConstruction.cc
T
Gabriele Cosmo cfcb558cfe Import Geant4 3.0.0 source tree
2016-06-08 15:55:53 +02:00

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// This code implementation is the intellectual property of
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: Em8DetectorConstruction.cc,v 1.5 2000/06/27 13:29:51 gcosmo Exp $
// GEANT4 tag $Name: geant4-03-00 $
//
//
#include "Em8DetectorConstruction.hh"
#include "Em8DetectorMessenger.hh"
#include "Em8CalorimeterSD.hh"
#include "G4VXrayTRmodel.hh"
#include "G4IrregularXrayTRmodel.hh"
#include "G4FoamXrayTRmodel.hh"
#include "G4RegularXrayTRmodel.hh"
#include "G4GamDistrXrayTRmodel.hh"
#include "G4PlateIrrGasXrayTRmodel.hh"
#include "G4Material.hh"
#include "G4Tubs.hh"
#include "G4LogicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4UniformMagField.hh"
#include "G4FieldManager.hh"
#include "G4TransportationManager.hh"
#include "G4SDManager.hh"
#include "G4RunManager.hh"
#include "G4ios.hh"
/////////////////////////////////////////////////////////////////////////////
//
//
Em8DetectorConstruction::Em8DetectorConstruction()
:solidWorld(NULL),logicWorld(NULL),physiWorld(NULL),
solidAbsorber(NULL),logicAbsorber(NULL),physiAbsorber(NULL),
AbsorberMaterial(NULL),WorldMaterial(NULL),fRadiatorMat(NULL),
magField(NULL),calorimeterSD(NULL),worldchanged(false)
{
// default parameter values of the calorimeter
G4double inch = 2.54*cm ;
G4double mil = inch/1000.0 ;
WorldSizeZ = 80.*cm;
WorldSizeR = 20.*cm;
AbsorberThickness = 40.0*mm;
AbsorberRadius = 10.*cm;
zAbsorber = 36.*cm ;
fWindowThick = 51.0*micrometer ;
fElectrodeThick = 10.0*micrometer ;
fGapThick = 1.0*mm ;
fRadThickness = 25*micrometer ; // 0.5*mil ;
fGasGap = 1500*micrometer ; // 30*mil ;
fFoilNumber = 188 ;
fDetThickness = 40.0*mm ;
fDetLength = 200.0*cm ;
fDetGap = 1.0*mm ;
fStartR = 40*cm ;
fStartZ = 10.0*mm ;
fModuleNumber = 1 ;
// create commands for interactive definition of the calorimeter
detectorMessenger = new Em8DetectorMessenger(this);
}
//////////////////////////////////////////////////////////////////////////
//
//
Em8DetectorConstruction::~Em8DetectorConstruction()
{
delete detectorMessenger;
}
//////////////////////////////////////////////////////////////////////////
//
//
G4VPhysicalVolume* Em8DetectorConstruction::Construct()
{
DefineMaterials();
return ConstructCalorimeter();
}
//////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::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 iz, n, nel ; //iz=number of protons in an isotope;
// n=number of nucleons in an isotope;
G4int ncomponents, natoms;
G4double abundance, fractionmass;
G4double temperature, pressure;
//
// define Elements
//
a = 1.01*g/mole;
G4Element* elH = new G4Element(name="Hydrogen",symbol="H" , z= 1., a);
a = 6.01*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);
a = 131.29*g/mole;
G4Element* elXe = new G4Element(name="Xenon", symbol="Xe", z=54., a);
a = 19.00*g/mole;
G4Element* elF = new G4Element(name="Fluorine", symbol="F", z=9., a);
//
// define simple materials
//
/* ******************************************************************
density = 1.848*g/cm3;
a = 9.01*g/mole;
G4Material* Be = new G4Material(name="Beryllium", z=4., a, density);
density = 1.390*g/cm3;
a = 39.95*g/mole;
G4Material* lAr = new G4Material(name="liquidArgon", z=18., a, density);
density = 7.870*g/cm3;
a = 55.85*g/mole;
G4Material* Fe = new G4Material(name="Iron" , z=26., a, density);
density = 8.960*g/cm3;
a = 63.55*g/mole;
G4Material* Cu = new G4Material(name="Copper" , z=29., a, density);
density = 19.32*g/cm3;
a =196.97*g/mole;
G4Material* Au = new G4Material(name="Gold" , z=79., 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(elH, natoms=2);
H2O->AddElement(elO, natoms=1);
// Kapton (polyimide) ??? since = Mylar C5H4O2
density = 1.39*g/cm3;
G4Material* Kapton = new G4Material(name="Kapton", density, nel=3);
Kapton->AddElement(elO,2);
Kapton->AddElement(elC,5);
Kapton->AddElement(elH,4);
// Silicon as detector material
density = 2.330*g/cm3;
a = 28.09*g/mole;
G4Material* Si = new G4Material(name="Silicon", z=14., a, density);
// Carbon dioxide
density = 1.977*mg/cm3;
G4Material* CO2 = new G4Material(name="CO2", density, nel=2,
kStateGas,273.15*kelvin,1.*atmosphere);
CO2->AddElement(elC,1);
CO2->AddElement(elO,2);
// TRT_CH2
density = 0.935*g/cm3;
G4Material* TRT_CH2 = new G4Material(name="TRT_CH2",density, nel=2);
TRT_CH2->AddElement(elC,1);
TRT_CH2->AddElement(elH,2);
// Radiator
density = 0.059*g/cm3;
G4Material* Radiator = new G4Material(name="Radiator",density, nel=2);
Radiator->AddElement(elC,1);
Radiator->AddElement(elH,2);
// Carbon Fiber
density = 0.145*g/cm3;
G4Material* CarbonFiber = new G4Material(name="CarbonFiber",density, nel=1);
CarbonFiber->AddElement(elC,1);
density = 1.290*mg/cm3; // old air from elements
G4Material* air = new G4Material(name="air" , density, ncomponents=2);
Air->AddElement(elN, fractionmass=0.7);
Air->AddElement(elO, fractionmass=0.3);
density = 1.25053*mg/cm3 ; // STP
a = 14.01*g/mole ; // get atomic weight !!!
// a = 28.016*g/mole;
G4Material* N2 = new G4Material(name="Nitrogen", z= 7.,a,density) ;
density = 1.25053*mg/cm3 ; // STP
G4Material* anotherN2 = new G4Material(name="anotherN2", density,ncomponents=2);
anotherN2->AddElement(elN, 1);
anotherN2->AddElement(elN, 1);
************************ */
// Al for electrodes
density = 2.700*g/cm3;
a = 26.98*g/mole;
G4Material* Al = new G4Material(name="Aluminium", z=13., a, density);
// 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 );
// Metane, STP
// density = 0.7174*mg/cm3 ;
// G4Material* metane = new G4Material(name="CH4",density,nel=2) ;
// metane->AddElement(elC,1) ;
// metane->AddElement(elH,4) ;
// 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
G4Material* Air = new G4Material(name="Air" , density, ncomponents=3);
Air->AddMaterial( Nitrogen, fractionmass = 0.7557 ) ;
Air->AddMaterial( Oxygen, fractionmass = 0.2315 ) ;
Air->AddMaterial( Argon, fractionmass = 0.0128 ) ;
// 93% Ar + 7% CH4, STP
// density = 1.709*mg/cm3 ;
// G4Material* Ar7CH4 = new G4Material(name="Ar7CH4" , density,
// ncomponents=2);
// Ar7CH4->AddMaterial( Argon, fractionmass = 0.971 ) ;
// Ar7CH4->AddMaterial( metane, fractionmass = 0.029 ) ;
// 93% Kr + 7% CH4, STP
// density = 3.491*mg/cm3 ;
// G4Material* Kr7CH4 = new G4Material(name="Kr7CH4" , density,
// ncomponents=2);
// Kr7CH4->AddMaterial( Kr, fractionmass = 0.986 ) ;
// Kr7CH4->AddMaterial( metane, fractionmass = 0.014 ) ;
/* **************
G4double TRT_Xe_density = 5.485*mg/cm3;
G4Material* TRT_Xe = new G4Material(name="TRT_Xe", TRT_Xe_density, nel=1,
kStateGas,293.15*kelvin,1.*atmosphere);
TRT_Xe->AddElement(elXe,1);
G4double TRT_CO2_density = 1.842*mg/cm3;
G4Material* TRT_CO2 = new G4Material(name="TRT_CO2", TRT_CO2_density, nel=2,
kStateGas,293.15*kelvin,1.*atmosphere);
TRT_CO2->AddElement(elC,1);
TRT_CO2->AddElement(elO,2);
G4double TRT_CF4_density = 3.9*mg/cm3;
G4Material* TRT_CF4 = new G4Material(name="TRT_CF4", TRT_CF4_density, nel=2,
kStateGas,293.15*kelvin,1.*atmosphere);
TRT_CF4->AddElement(elC,1);
TRT_CF4->AddElement(elF,4);
// ATLAS TRT straw tube gas mixture (20 C, 1 atm)
G4double XeCO2CF4_density = 4.76*mg/cm3;
G4Material* XeCO2CF4 = new G4Material(name="XeCO2CF4", XeCO2CF4_density,
ncomponents=3,
kStateGas,293.15*kelvin,1.*atmosphere);
XeCO2CF4->AddMaterial(TRT_Xe,0.807);
XeCO2CF4->AddMaterial(TRT_CO2,0.039);
XeCO2CF4->AddMaterial(TRT_CF4,0.154);
*********** */
// 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 = 1.977*mg/cm3;
G4Material* CarbonDioxide = new G4Material(name="CO2", density, nel=2);
CarbonDioxide->AddElement(elC,1);
CarbonDioxide->AddElement(elO,2);
// 80% Ar + 20% CO2, STP
// density = 1.8223*mg/cm3 ;
// G4Material* Ar_80CO2_20 = new G4Material(name="ArCO2" , density,
// ncomponents=2);
// Ar_80CO2_20->AddMaterial( Argon, fractionmass = 0.783 ) ;
// Ar_80CO2_20->AddMaterial( CarbonDioxide, fractionmass = 0.217 ) ;
// 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 and TR radiator
fRadiatorMat = Mylar ; // CH2 ; // Mylar ;
fWindowMat = Mylar ;
fElectrodeMat = Al ;
AbsorberMaterial = Kr20CO2 ; // XeCO2CF4 ;
fGapMat = Kr20CO2 ;
WorldMaterial = Air ;
}
/////////////////////////////////////////////////////////////////////////
//
//
G4VPhysicalVolume* Em8DetectorConstruction::ConstructCalorimeter()
{
G4int i, j ;
G4double zModule, zRadiator, rModule, rRadiator ;
// complete the Calor parameters definition and Print
ComputeCalorParameters();
PrintCalorParameters();
// World
if(solidWorld) delete solidWorld ;
if(logicWorld) delete logicWorld ;
if(physiWorld) delete physiWorld ;
solidWorld = new G4Tubs("World", //its name
0.,WorldSizeR,WorldSizeZ/2.,0.,twopi) ;//its size
logicWorld = new G4LogicalVolume(solidWorld, //its solid
WorldMaterial, //its material
"World"); //its name
physiWorld = new G4PVPlacement(0, //no rotation
G4ThreeVector(), //at (0,0,0)
"World", //its name
logicWorld, //its logical volume
NULL, //its mother volume
false, //no boolean operation
0); //copy number
// TR radiator envelope
G4double radThick = fFoilNumber*(fRadThickness + fGasGap) + fDetGap ;
G4double zRad = fStartZ + 0.5*radThick ;
G4cout<<"zRad = "<<zRad/mm<<" mm"<<G4endl ;
radThick *= 1.2 ;
G4cout<<"radThick = "<<radThick/mm<<" mm"<<G4endl ;
G4Tubs* solidRadiator = new G4Tubs("Radiator", 0.0, 1.1*AbsorberRadius,
0.5*radThick, 0.0, twopi ) ;
G4LogicalVolume* logicRadiator = new G4LogicalVolume(solidRadiator,
WorldMaterial,
"Radiator");
G4VPhysicalVolume* physiRadiator = new G4PVPlacement(0,
G4ThreeVector(0,0,zRad),
"Radiator", logicRadiator,
physiWorld, false, 0 );
fSolidRadSlice = new G4Tubs("RadSlice",0.0,
AbsorberRadius,0.5*fRadThickness,0.0,360*deg);
fLogicRadSlice = new G4LogicalVolume(fSolidRadSlice,fRadiatorMat,
"RadSlice",0,0,0);
// fPhysicRadSlice = new G4PVPlacement(0,
// G4ThreeVector(0.,0.,fStartZ+1.2*fDetThickness),
// "RadSlice",fLogicRadSlice,
// physiWorld,false,0);
for(i=0;i<fModuleNumber;i++)
{
// rModule = fStartR + fDetThickness + fDetGap +
// (i-1)*(fFoilNumber*(fRadThickness + fGasGap) +
// fDetThickness + fDetGap) ;
zModule = fStartZ + fRadThickness +
i*( fFoilNumber*(fRadThickness + fGasGap) +
fDetThickness + fDetGap ) ;
G4cout<<"zModule = "<<zModule/mm<<" mm"<<G4endl ;
G4cout<<"i = "<<i<<"\t"<<G4endl ;
for(j=0;j<fFoilNumber;j++)
{
// rRadiator = rModule + j*(fRadThickness + fGasGap) ;
zRadiator = zModule + j*(fRadThickness + fGasGap) ;
G4cout<<zRadiator/mm<<" mm"<<"\t" ;
// G4cout<<"j = "<<j<<"\t" ;
// RadRing
// fSolidRadRing = new G4Tubs("RadRing",rRadiator,
// rRadiator + fRadThickness,
// fDetLength,0.0,360*deg ) ;
// fLogicRadRing = new G4LogicalVolume(fSolidRadRing,fRadiatorMat,
// "radRing",0,0,0);
// fPhysicRadRing = new G4PVPlacement(0,G4ThreeVector(),
// "RadRing",fLogicRadRing,
// physiWorld,false,j) ;
// We put slice relatively of Radiator, so zRadiator-zRad
fPhysicRadSlice = new G4PVPlacement(0,G4ThreeVector(0.,0.,zRadiator-zRad),
"RadSlice",fLogicRadSlice,
physiRadiator,false,j);
}
// fPhysicDetSlice = new G4PVPlacement(0,
// G4ThreeVector(0.,0.,zRadiator+
// fDetGap +0.5*fDetThickness),"DetSlice",
// fLogicDetSlice,physiWorld,false,i);
}
G4cout<<G4endl ;
G4Tubs* solidElectrode = new G4Tubs("Electrode",0.,AbsorberRadius,
fElectrodeThick/2.,0.,twopi);
G4LogicalVolume* logicElectrode = new G4LogicalVolume(solidElectrode,
fElectrodeMat, "Electrode");
G4double zElectrode = zAbsorber - AbsorberThickness/2. -
fElectrodeThick/2. - 0.01*mm;
G4VPhysicalVolume* physiElectrode = new G4PVPlacement(0,
G4ThreeVector(0.,0.,zElectrode),
"Electrode",logicElectrode,
physiWorld,false,0);
G4Tubs* solidGap = new G4Tubs("Gap",0.,AbsorberRadius,fGapThick/2.,0.,twopi);
G4LogicalVolume* logicGap = new G4LogicalVolume(solidGap,fGapMat, "Gap");
G4double zGap = zElectrode - fElectrodeThick/2. - fGapThick/2. - 0.01*mm ;
G4VPhysicalVolume* physiGap = new G4PVPlacement(0,
G4ThreeVector(0.,0.,zGap),
"Gap",logicGap,physiWorld,false,0);
G4Tubs* solidWindow = new G4Tubs("Window",0.,AbsorberRadius,
fWindowThick/2.,0.,twopi);
G4LogicalVolume* logicWindow = new G4LogicalVolume(solidWindow,
fWindowMat, "Window");
G4double zWindow = zGap - fGapThick/2. - fWindowThick/2. - 0.01*mm ;
G4VPhysicalVolume* physiWindow = new G4PVPlacement(0,
G4ThreeVector(0.,0.,zWindow),
"Window",logicWindow,physiWorld,false,0);
// Absorber
if (AbsorberThickness > 0.)
{
if(solidAbsorber) delete solidAbsorber ;
if(logicAbsorber) delete logicAbsorber ;
if(physiAbsorber) delete physiAbsorber ;
solidAbsorber = new G4Tubs("Absorber",
0.,AbsorberRadius,AbsorberThickness/2.,0.,twopi);
logicAbsorber = new G4LogicalVolume(solidAbsorber,
AbsorberMaterial,
"Absorber");
physiAbsorber = new G4PVPlacement(0,
G4ThreeVector(0.,0.,zAbsorber),
"Absorber",
logicAbsorber,
physiWorld,
false,
0);
}
// Sensitive Detectors: Absorber
G4SDManager* SDman = G4SDManager::GetSDMpointer();
if(!calorimeterSD)
{
calorimeterSD = new Em8CalorimeterSD("CalorSD",this);
SDman->AddNewDetector( calorimeterSD );
}
if (logicAbsorber) logicAbsorber->SetSensitiveDetector(calorimeterSD);
// Parameterisation
G4VXrayTRmodel* pTRModel = new G4IrregularXrayTRmodel(logicRadiator,
fRadThickness,fGasGap);
// G4VXrayTRmodel* pTRModel = new G4FoamXrayTRmodel(logicRadiator,
// fRadThickness,fGasGap);
// G4VXrayTRmodel* pTRModel = new G4RegularXrayTRmodel(logicRadiator,
// fRadThickness,fGasGap);
G4double alphaPlate = 160.0 ;
G4double alphaGas = 160.0 ;
// G4VXrayTRmodel* pTRModel = new G4GamDistrXrayTRmodel(logicRadiator,
// fRadThickness,alphaPlate,
// fGasGap,alphaGas);
// G4VXrayTRmodel* pTRModel = new G4PlateIrrGasXrayTRmodel(logicRadiator,
// fRadThickness,fGasGap);
// pTRModel->GetPlateZmuProduct() ;
// pTRModel->GetGasZmuProduct() ;
// pTRModel->GetNumberOfPhotons() ;
// always return physics world
return physiWorld;
}
////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::PrintCalorParameters()
{
G4cout << "\n The WORLD is made of "
<< WorldSizeZ/mm << "mm of " << WorldMaterial->GetName() ;
G4cout << ", the transverse size (R) of the world is " << WorldSizeR/mm << " mm. " << G4endl;
G4cout << " The ABSORBER is made of "
<< AbsorberThickness/mm << "mm of " << AbsorberMaterial->GetName() ;
G4cout << ", the transverse size (R) is " << AbsorberRadius/mm << " mm. " << G4endl;
G4cout << " Z position of the (middle of the) absorber " << zAbsorber/mm << " mm." << G4endl;
G4cout << G4endl;
}
///////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetAbsorberMaterial(G4String materialChoice)
{
// get the pointer to the material table
const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
// search the material by its name
G4Material* pttoMaterial;
for (G4int J=0 ; J<theMaterialTable->length() ; J++)
{ pttoMaterial = (*theMaterialTable)(J);
if(pttoMaterial->GetName() == materialChoice)
{AbsorberMaterial = pttoMaterial;
logicAbsorber->SetMaterial(pttoMaterial);
// PrintCalorParameters();
}
}
}
////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetWorldMaterial(G4String materialChoice)
{
// get the pointer to the material table
const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
// search the material by its name
G4Material* pttoMaterial;
for (G4int J=0 ; J<theMaterialTable->length() ; J++)
{ pttoMaterial = (*theMaterialTable)(J);
if(pttoMaterial->GetName() == materialChoice)
{WorldMaterial = pttoMaterial;
logicWorld->SetMaterial(pttoMaterial);
// PrintCalorParameters();
}
}
}
///////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetAbsorberThickness(G4double val)
{
// change Absorber thickness and recompute the calorimeter parameters
AbsorberThickness = val;
ComputeCalorParameters();
}
/////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetAbsorberRadius(G4double val)
{
// change the transverse size and recompute the calorimeter parameters
AbsorberRadius = val;
ComputeCalorParameters();
}
////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetWorldSizeZ(G4double val)
{
worldchanged=true;
WorldSizeZ = val;
ComputeCalorParameters();
}
///////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetWorldSizeR(G4double val)
{
worldchanged=true;
WorldSizeR = val;
ComputeCalorParameters();
}
//////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetAbsorberZpos(G4double val)
{
zAbsorber = val;
ComputeCalorParameters();
}
//////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetMagField(G4double fieldValue)
{
//apply a global uniform magnetic field along X axis
/* *********************************************************
G4FieldManager* fieldMgr
= G4TransportationManager::GetTransportationManager()->GetFieldManager();
if(magField) delete magField; //delete the existing magn field
if(fieldValue!=0.) // create a new one if non nul
{
magField = new G4UniformMagField(G4ThreeVector(fieldValue,0.,0.));
fieldMgr->SetDetectorField(magField);
fieldMgr->CreateChordFinder(magField);
}
else
{
magField = NULL;
fieldMgr->SetDetectorField(magField);
}
*************************************************************** */
}
///////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::UpdateGeometry()
{
G4RunManager::GetRunManager()->DefineWorldVolume(ConstructCalorimeter());
}
//
//
////////////////////////////////////////////////////////////////////////////
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