Import Geant4 1.1.0 source tree
This commit is contained in:
Gabriele Cosmo
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// This code implementation is the intellectual property of
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// the RD44 GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: Em8DetectorConstruction.cc,v 1.1 2000/01/07 14:50:44 grichine Exp $
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// GEANT4 tag $Name: geant4-01-01 $
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//
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#include "Em8DetectorConstruction.hh"
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#include "Em8DetectorMessenger.hh"
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#include "Em8CalorimeterSD.hh"
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#include "G4Material.hh"
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#include "G4Tubs.hh"
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#include "G4LogicalVolume.hh"
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#include "G4PVPlacement.hh"
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#include "G4UniformMagField.hh"
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#include "G4FieldManager.hh"
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#include "G4TransportationManager.hh"
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#include "G4SDManager.hh"
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#include "G4RunManager.hh"
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#include "G4ios.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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Em8DetectorConstruction::Em8DetectorConstruction()
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:solidWorld(NULL),logicWorld(NULL),physiWorld(NULL),
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solidAbsorber(NULL),logicAbsorber(NULL),physiAbsorber(NULL),
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AbsorberMaterial(NULL),WorldMaterial(NULL),fRadiatorMat(NULL),
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magField(NULL),calorimeterSD(NULL),worldchanged(false)
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{
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// default parameter values of the calorimeter
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WorldSizeZ = 8.*cm;
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WorldSizeR = 2.*cm;
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AbsorberThickness = 10.0*mm;
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AbsorberRadius = 1.*cm;
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zAbsorber = 2.*cm ;
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fRadThickness = 20*micrometer ;
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fGasGap = 500*micrometer ;
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fFoilNumber = 200 ;
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fDetThickness = 20.0*mm ;
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fDetLength = 200.0*cm ;
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fDetGap = 1.0*mm ;
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fStartR = 40*cm ;
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fStartZ = 2.0*cm ;
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fModuleNumber = 1 ;
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// create commands for interactive definition of the calorimeter
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detectorMessenger = new Em8DetectorMessenger(this);
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}
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//////////////////////////////////////////////////////////////////////////
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//
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//
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Em8DetectorConstruction::~Em8DetectorConstruction()
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{
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delete detectorMessenger;
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}
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//////////////////////////////////////////////////////////////////////////
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//
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//
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G4VPhysicalVolume* Em8DetectorConstruction::Construct()
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{
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DefineMaterials();
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return ConstructCalorimeter();
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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//
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void Em8DetectorConstruction::DefineMaterials()
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{
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//This function illustrates the possible ways to define materials
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G4String name, symbol ; //a=mass of a mole;
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G4double a, z, density ; //z=mean number of protons;
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G4int iz, n, nel ; //iz=number of protons in an isotope;
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// n=number of nucleons in an isotope;
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G4int ncomponents, natoms;
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G4double abundance, fractionmass;
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G4double temperature, pressure;
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//
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// define Elements
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//
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a = 1.01*g/mole;
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G4Element* elH = new G4Element(name="Hydrogen",symbol="H" , z= 1., a);
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a = 6.01*g/mole;
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G4Element* elC = new G4Element(name="Carbon", symbol="C", z=6., a);
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a = 14.01*g/mole;
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G4Element* elN = new G4Element(name="Nitrogen",symbol="N" , z= 7., a);
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a = 16.00*g/mole;
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G4Element* elO = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a);
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a = 39.948*g/mole;
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G4Element* elAr = new G4Element(name="Argon", symbol="Ar", z=18., a);
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a = 131.29*g/mole;
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G4Element* elXe = new G4Element(name="Xenon", symbol="Xe", z=54., a);
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a = 19.00*g/mole;
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G4Element* elF = new G4Element(name="Fluorine", symbol="F", z=9., a);
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//
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// define simple materials
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//
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/* ******************************************************************
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density = 1.848*g/cm3;
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a = 9.01*g/mole;
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G4Material* Be = new G4Material(name="Beryllium", z=4., a, density);
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density = 2.700*g/cm3;
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a = 26.98*g/mole;
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G4Material* Al = new G4Material(name="Aluminium", z=13., a, density);
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density = 1.390*g/cm3;
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a = 39.95*g/mole;
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G4Material* lAr = new G4Material(name="liquidArgon", z=18., a, density);
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density = 7.870*g/cm3;
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a = 55.85*g/mole;
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G4Material* Fe = new G4Material(name="Iron" , z=26., a, density);
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density = 8.960*g/cm3;
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a = 63.55*g/mole;
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G4Material* Cu = new G4Material(name="Copper" , z=29., a, density);
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density = 19.32*g/cm3;
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a =196.97*g/mole;
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G4Material* Au = new G4Material(name="Gold" , z=79., a, density);
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density = 11.35*g/cm3;
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a = 207.19*g/mole;
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G4Material* Pb = new G4Material(name="Lead" , z=82., a, density);
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//
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// define a material from elements. case 1: chemical molecule
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//
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density = 1.000*g/cm3;
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G4Material* H2O = new G4Material(name="Water", density, ncomponents=2);
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H2O->AddElement(elH, natoms=2);
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H2O->AddElement(elO, natoms=1);
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// Polypropelene
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G4Material* CH2 = new G4Material ("Polypropelene" , 0.91*g/cm3, 2);
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C2H2->AddElement(elH,2);
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C2H2->AddElement(elC,1);
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// Kapton (polyimide)
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density = 1.39*g/cm3;
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G4Material* Kapton = new G4Material(name="Kapton", density, nel=3);
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Kapton->AddElement(elO,2);
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Kapton->AddElement(elC,5);
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Kapton->AddElement(elH,4);
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// Silicon as detector material
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density = 2.330*g/cm3;
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a = 28.09*g/mole;
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G4Material* Si = new G4Material(name="Silicon", z=14., a, density);
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// Carbon dioxide
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density = 1.977*mg/cm3;
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G4Material* CO2 = new G4Material(name="CO2", density, nel=2,
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kStateGas,273.15*kelvin,1.*atmosphere);
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CO2->AddElement(elC,1);
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CO2->AddElement(elO,2);
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G4double TRT_Xe_density = 5.485*mg/cm3;
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G4Material* TRT_Xe = new G4Material(name="TRT_Xe", TRT_Xe_density, nel=1,
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kStateGas,293.15*kelvin,1.*atmosphere);
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TRT_Xe->AddElement(elXe,1);
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G4double TRT_CO2_density = 1.842*mg/cm3;
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G4Material* TRT_CO2 = new G4Material(name="TRT_CO2", TRT_CO2_density, nel=2,
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kStateGas,293.15*kelvin,1.*atmosphere);
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TRT_CO2->AddElement(elC,1);
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TRT_CO2->AddElement(elO,2);
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G4double TRT_CF4_density = 3.9*mg/cm3;
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G4Material* TRT_CF4 = new G4Material(name="TRT_CF4", TRT_CF4_density, nel=2,
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kStateGas,293.15*kelvin,1.*atmosphere);
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TRT_CF4->AddElement(elC,1);
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TRT_CF4->AddElement(elF,4);
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// ATLAS TRT straw tube gas mixture (20 C, 1 atm)
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G4double XeCO2CF4_density = 4.76*mg/cm3;
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G4Material* XeCO2CF4 = new G4Material(name="XeCO2CF4", XeCO2CF4_density,
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ncomponents=3,
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kStateGas,293.15*kelvin,1.*atmosphere);
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XeCO2CF4->AddMaterial(TRT_Xe,0.807);
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XeCO2CF4->AddMaterial(TRT_CO2,0.039);
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XeCO2CF4->AddMaterial(TRT_CF4,0.154);
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// TRT_CH2
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density = 0.935*g/cm3;
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G4Material* TRT_CH2 = new G4Material(name="TRT_CH2",density, nel=2);
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TRT_CH2->AddElement(elC,1);
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TRT_CH2->AddElement(elH,2);
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// Radiator
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density = 0.059*g/cm3;
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G4Material* Radiator = new G4Material(name="Radiator",density, nel=2);
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Radiator->AddElement(elC,1);
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Radiator->AddElement(elH,2);
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// Carbon Fiber
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density = 0.145*g/cm3;
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G4Material* CarbonFiber = new G4Material(name="CarbonFiber",density, nel=1);
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CarbonFiber->AddElement(elC,1);
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density = 1.290*mg/cm3; // old air from elements
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G4Material* air = new G4Material(name="air" , density, ncomponents=2);
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Air->AddElement(elN, fractionmass=0.7);
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Air->AddElement(elO, fractionmass=0.3);
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density = 1.25053*mg/cm3 ; // STP
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a = 14.01*g/mole ; // get atomic weight !!!
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// a = 28.016*g/mole;
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G4Material* N2 = new G4Material(name="Nitrogen", z= 7.,a,density) ;
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density = 1.25053*mg/cm3 ; // STP
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G4Material* anotherN2 = new G4Material(name="anotherN2", density,ncomponents=2);
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anotherN2->AddElement(elN, 1);
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anotherN2->AddElement(elN, 1);
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************************ */
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// Dry air (average composition)
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density = 1.7836*mg/cm3 ; // STP
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G4Material* Argon = new G4Material(name="Argon" , density, ncomponents=1);
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Argon->AddElement(elAr, 1);
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/* *********************
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density = 1.25053*mg/cm3 ; // STP
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G4Material* Nitrogen = new G4Material(name="N2" , density, ncomponents=1);
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Nitrogen->AddElement(elN, 2);
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density = 1.4289*mg/cm3 ; // STP
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G4Material* Oxygen = new G4Material(name="O2" , density, ncomponents=1);
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Oxygen->AddElement(elO, 2);
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density = 1.2928*mg/cm3 ; // STP
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G4Material* Air = new G4Material(name="Air" , density, ncomponents=3);
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Air->AddMaterial( Nitrogen, fractionmass = 0.7557 ) ;
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Air->AddMaterial( Oxygen, fractionmass = 0.2315 ) ;
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Air->AddMaterial( Argon, fractionmass = 0.0128 ) ;
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*********************************** */
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// Xenon as detector gas, STP
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density = 5.858*mg/cm3 ;
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a = 131.29*g/mole ;
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G4Material* Xe = new G4Material(name="Xenon",z=54., a, density );
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/* **************
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density = 1.977*mg/cm3;
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G4Material* CarbonDioxide = new G4Material(name="CO2", density, nel=2);
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CarbonDioxide->AddElement(elC,1);
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CarbonDioxide->AddElement(elO,2);
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// 80% Ar + 20% CO2, STP
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density = 1.8223*mg/cm3 ;
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G4Material* Ar_80CO2_20 = new G4Material(name="ArCO2" , density, ncomponents=2);
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Ar_80CO2_20->AddMaterial( Argon, fractionmass = 0.783 ) ;
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Ar_80CO2_20->AddMaterial( CarbonDioxide, fractionmass = 0.217 ) ;
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// 80% Xe + 20% CO2, STP
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density = 5.0818*mg/cm3 ;
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G4Material* Xe_80CO2_20 = new G4Material(name="XeCO2" , density, ncomponents=2);
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Xe_80CO2_20->AddMaterial( Xe, fractionmass = 0.922 ) ;
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Xe_80CO2_20->AddMaterial( CarbonDioxide, fractionmass = 0.078 ) ;
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*********** */
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G4cout << *(G4Material::GetMaterialTable()) << endl;
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//default materials of the calorimeter
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// fRadiatorMat = CH2 ;
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AbsorberMaterial = Xe ; // Xe_80CO2_20 ; // Argon ; // Ar_80CO2_20 ;
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WorldMaterial = Argon ;
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}
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/////////////////////////////////////////////////////////////////////////
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//
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//
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G4VPhysicalVolume* Em8DetectorConstruction::ConstructCalorimeter()
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{
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G4int i, j ;
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G4double zModule, zRadiator, rModule, rRadiator ;
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// complete the Calor parameters definition and Print
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ComputeCalorParameters();
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PrintCalorParameters();
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// World
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if(solidWorld) delete solidWorld ;
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if(logicWorld) delete logicWorld ;
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if(physiWorld) delete physiWorld ;
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solidWorld = new G4Tubs("World", //its name
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0.,WorldSizeR,WorldSizeZ/2.,0.,twopi) ;//its size
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logicWorld = new G4LogicalVolume(solidWorld, //its solid
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WorldMaterial, //its material
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"World"); //its name
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physiWorld = new G4PVPlacement(0, //no rotation
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G4ThreeVector(), //at (0,0,0)
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"World", //its name
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logicWorld, //its logical volume
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NULL, //its mother volume
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false, //no boolean operation
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0); //copy number
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/* *******************************************************************
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fSolidRadSlice = new G4Tubs("RadSlice",0.0, // fStartR,fWorldRadius
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AbsorberRadius,0.5*fRadThickness,0.0,360*deg);
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fLogicRadSlice = new G4LogicalVolume(fSolidRadSlice,fRadiatorMat,
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"RadSlice",0,0,0);
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fPhysicRadSlice = new G4PVPlacement(0,
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G4ThreeVector(0.,0.,fStartZ+1.2*fDetThickness),
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"RadSlice",fLogicRadSlice,
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physiWorld,false,0);
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for(i=1;i<=fModuleNumber;i++)
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{
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// rModule = fStartR + fDetThickness + fDetGap +
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// (i-1)*(fFoilNumber*(fRadThickness + fGasGap) +
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// fDetThickness + fDetGap) ;
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zModule = fStartZ + fDetThickness + fDetGap +
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(i-1)*(fFoilNumber*(fRadThickness + fGasGap) +
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fDetThickness + fDetGap) ;
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for(j=1;j<=fFoilNumber;j++)
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{
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// rRadiator = rModule + j*(fRadThickness + fGasGap) ;
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zRadiator = zModule + j*(fRadThickness + fGasGap) ;
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// RadRing
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// fSolidRadRing = new G4Tubs("RadRing",rRadiator,
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// rRadiator + fRadThickness,
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// fDetLength,0.0,360*deg ) ;
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// fLogicRadRing = new G4LogicalVolume(fSolidRadRing,fRadiatorMat,
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// "radRing",0,0,0);
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// fPhysicRadRing = new G4PVPlacement(0,G4ThreeVector(),
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// "RadRing",fLogicRadRing,
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// physiWorld,false,j) ;
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// Slice
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fPhysicRadSlice = new G4PVPlacement(0,G4ThreeVector(0.,0.,zRadiator),
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"RadSlice",fLogicRadSlice,
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physiWorld,false,j);
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}
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// fPhysicDetSlice = new G4PVPlacement(0,
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// G4ThreeVector(0.,0.,zRadiator+
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// fDetGap +0.5*fDetThickness),"DetSlice",
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// fLogicDetSlice,physiWorld,false,i);
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}
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****************************************** */
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// Absorber
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if (AbsorberThickness > 0.)
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{
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if(solidAbsorber) delete solidAbsorber ;
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if(logicAbsorber) delete logicAbsorber ;
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if(physiAbsorber) delete physiAbsorber ;
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solidAbsorber = new G4Tubs("Absorber", //its name
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0.,AbsorberRadius,AbsorberThickness/2.,0.,twopi);
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logicAbsorber = new G4LogicalVolume(solidAbsorber, // its solid
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AbsorberMaterial, // its material
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"Absorber"); // its name
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physiAbsorber = new G4PVPlacement(0, // no rotation
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G4ThreeVector(0.,0.,zAbsorber), // its position
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"Absorber", // its name
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logicAbsorber, // its logical volume
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physiWorld, // its mother
|
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false, // no boulean operat
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0); // copy number
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}
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// Sensitive Detectors: Absorber
|
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G4SDManager* SDman = G4SDManager::GetSDMpointer();
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||||
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||||
if(!calorimeterSD)
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||||
{
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||||
calorimeterSD = new Em8CalorimeterSD("CalorSD",this);
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||||
SDman->AddNewDetector( calorimeterSD );
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||||
}
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if (logicAbsorber) logicAbsorber->SetSensitiveDetector(calorimeterSD);
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||||
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||||
//always return the physical 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. " << endl;
|
||||
G4cout << " The ABSORBER is made of "
|
||||
<< AbsorberThickness/mm << "mm of " << AbsorberMaterial->GetName() ;
|
||||
G4cout << ", the transverse size (R) is " << AbsorberRadius/mm << " mm. " << endl;
|
||||
G4cout << " Z position of the (middle of the) absorber " << zAbsorber/mm << " mm." << endl;
|
||||
G4cout << endl;
|
||||
}
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
//
|
||||
|
||||
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());
|
||||
}
|
||||
|
||||
//
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
Reference in New Issue
Block a user