Gabriele Cosmo
253 lines
7.8 KiB
C++
253 lines
7.8 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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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 *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: Em1DetectorConstruction.cc,v 1.9 2002/05/31 17:10:35 maire Exp $
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// GEANT4 tag $Name: geant4-04-01 $
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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 "Em1DetectorConstruction.hh"
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#include "Em1DetectorMessenger.hh"
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#include "G4Material.hh"
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#include "G4Box.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 "G4RunManager.hh"
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#include "G4VisAttributes.hh"
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#include "G4Colour.hh"
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#include "G4UnitsTable.hh"
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#include "G4ios.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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Em1DetectorConstruction::Em1DetectorConstruction()
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:pBox (0), lBox (0),
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aMaterial(0),
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magField (0)
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{
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// create commands for interactive definition of the detector
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detectorMessenger = new Em1DetectorMessenger(this);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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Em1DetectorConstruction::~Em1DetectorConstruction()
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{ delete detectorMessenger;}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* Em1DetectorConstruction::Construct()
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{
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DefineMaterials();
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BoxSize = 20*m;
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return ConstructVolumes();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void Em1DetectorConstruction::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 ncomponents, natoms;
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G4double fractionmass;
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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* H = new G4Element(name="Hydrogen",symbol="H" , z= 1., a);
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a = 14.01*g/mole;
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G4Element* N = new G4Element(name="Nitrogen",symbol="N" , z= 7., a);
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a = 16.00*g/mole;
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G4Element* O = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a);
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//
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// define materials
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//
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density = 1.290*mg/cm3;
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G4Material* Air = new G4Material(name="Air" , density, ncomponents=2);
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Air->AddElement(N, fractionmass=70.*perCent);
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Air->AddElement(O, fractionmass=30.*perCent);
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density = 70.8*mg/cm3;
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G4Material* H2l = new G4Material(name="H2liquid", density, ncomponents=1);
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H2l->AddElement(H, fractionmass=1.);
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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(H, natoms=2);
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H2O->AddElement(O, natoms=1);
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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 = 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 = 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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density = 5.323*g/cm3;
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a = 72.61*g/mole;
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G4Material* Ge = new G4Material(name="Germanium" , z=32., 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 = 19.30*g/cm3;
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a = 183.85*g/mole;
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G4Material* W = new G4Material(name="Tungsten" , z=74., 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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density = 18.95*g/cm3;
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a = 238.03*g/mole;
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G4Material* U = new G4Material(name="Uranium" , z=92., a, density);
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G4cout << *(G4Material::GetMaterialTable()) << G4endl;
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//default materials of the calorimeter
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aMaterial = Al;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* Em1DetectorConstruction::ConstructVolumes()
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{
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G4Box*
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sBox = new G4Box("Container", //its name
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BoxSize/2,BoxSize/2,BoxSize/2); //its dimensions
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lBox = new G4LogicalVolume(sBox, //its shape
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aMaterial, //its material
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"Container"); //its name
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pBox = new G4PVPlacement(0, //no rotation
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G4ThreeVector(), //at (0,0,0)
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"Container", //its name
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lBox, //its logical volume
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0, //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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// Visualization attributes
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//
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G4VisAttributes* visAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
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visAtt->SetVisibility(true);
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lBox->SetVisAttributes(visAtt);
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//
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//always return the root volume
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//
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PrintParameters();
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return pBox;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void Em1DetectorConstruction::PrintParameters()
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{
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G4cout << "\n The Box is " << G4BestUnit(BoxSize,"Length")
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<< " of " << aMaterial->GetName() << G4endl;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void Em1DetectorConstruction::SetMaterial(G4String materialChoice)
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{
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// search the material by its name
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G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice);
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if (pttoMaterial)
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{aMaterial = pttoMaterial;
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lBox->SetMaterial(aMaterial);
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void Em1DetectorConstruction::SetSize(G4double value)
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{
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BoxSize = value;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void Em1DetectorConstruction::SetMagField(G4double fieldValue)
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{
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//apply a global uniform magnetic field along Z axis
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G4FieldManager* fieldMgr
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= G4TransportationManager::GetTransportationManager()->GetFieldManager();
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if (magField) delete magField; //delete the existing magn field
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if (fieldValue!=0.) // create a new one if non nul
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{
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magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue));
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fieldMgr->SetDetectorField(magField);
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fieldMgr->CreateChordFinder(magField);
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}
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else
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{
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magField = 0;
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fieldMgr->SetDetectorField(magField);
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void Em1DetectorConstruction::UpdateGeometry()
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{
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G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes());
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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