Gabriele Cosmo
358 lines
11 KiB
C++
358 lines
11 KiB
C++
// This code implementation is the intellectual property of
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// the 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: ExN05DetectorConstruction.cc,v 1.2 1999/12/15 14:49:30 gunter Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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#include "ExN05DetectorConstruction.hh"
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#include "ExN05CalorimeterSD.hh"
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#include "ExN05DetectorMessenger.hh"
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#include "ExN05EMShowerModel.hh"
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#include "ExN05PionShowerModel.hh"
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#include "G4Material.hh"
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#include "G4MaterialTable.hh"
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#include "G4Element.hh"
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#include "G4ElementTable.hh"
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#include "G4Box.hh"
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#include "G4Tubs.hh"
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#include "G4LogicalVolume.hh"
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#include "G4ThreeVector.hh"
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#include "G4PVPlacement.hh"
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#include "G4SDManager.hh"
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#include "G4VisAttributes.hh"
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#include "G4Colour.hh"
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#include "G4UserLimits.hh"
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#include "G4FastSimulationManager.hh"
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ExN05DetectorConstruction::ExN05DetectorConstruction()
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{
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theUserLimitsForCrystal = NULL;
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fUseUserLimits = false;
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theMaxTimeCutsInCrystal = 1000.0 * ns;
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theMinEkineCutsInCrystal = 1.0 * MeV;
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theMinRangeCutsInCrystal = 1.0 * mm;
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theMessenger = new ExN05DetectorMessenger(this);
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}
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ExN05DetectorConstruction::~ExN05DetectorConstruction()
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{
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if (theUserLimitsForCrystal != NULL) delete theUserLimitsForCrystal;
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delete theMessenger;
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}
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G4VPhysicalVolume* ExN05DetectorConstruction::Construct()
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{
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G4cout << "\nExN05DetectorConstruction....\n" << G4endl;
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//--------- Material definition ---------
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G4double a, iz, z, density;
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G4String name, symbol;
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G4int nel;
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a = 14.01*g/mole;
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G4Element* elN = new G4Element(name="Nitrogen", symbol="N", iz=7., a);
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a = 16.00*g/mole;
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G4Element* elO = new G4Element(name="Oxigen", symbol="O", iz=8., a);
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a = 126.9*g/mole;
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G4Element* elI = new G4Element(name="Iodine", symbol="I", iz=53., a);
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a = 132.9*g/mole;
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G4Element* elCs= new G4Element(name="Cesium", symbol="Cs", iz=55., a);
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density = 4.51*g/cm3;
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G4Material* CsI = new G4Material(name="CsI", density, nel = 2);
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CsI->AddElement(elI, .5);
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CsI->AddElement(elCs,.5);
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a = 4.0*g/mole;
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density = 0.1786e-03*g/cm3;
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G4Material* He = new G4Material(name="He", z=2., a, density);
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a = 26.98*g/mole;
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density = 2.7*g/cm3;
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G4Material* Al = new G4Material(name="Aluminium", z=13., a, density);
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a = 207.19*g/mole;
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density = 11.35*g/cm3;
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G4Material* Pb = new G4Material(name="Lead", z=82., a, density);
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a = 55.85*g/mole;
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density = 7.87*g/cm3;
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G4Material* Fe = new G4Material(name="Fer", z=26., a, density);
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density = 1.29e-03*g/cm3;
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G4Material* Air = new G4Material(name="Air", density, nel=2);
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Air->AddElement(elN, .7);
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Air->AddElement(elO, .3);
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//--------- G4VSolid, G4LogicalVolume, G4VPhysicalVolume ---------
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//--------------
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// World:
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//--------------
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G4Box *WorldBox= new G4Box("WorldBox",400*cm, 400*cm, 400*cm);
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G4LogicalVolume *WorldLog=new G4LogicalVolume(WorldBox,Air,
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"WorldLogical", 0, 0, 0);
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G4PVPlacement *WorldPhys=new G4PVPlacement(0,G4ThreeVector(),
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"WorldPhysical",
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WorldLog,
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0,false,0);
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// Size of detectors:
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G4double detectSize = 125*cm;
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//-----------------------------
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// "Drift Chamber":
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// Not used in parameterisation.
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//-----------------------------
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// -- Logical volume:
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G4Box *driftChamberBox
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= new G4Box("DriftChamberSolid", detectSize, detectSize, 40*cm);
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G4LogicalVolume *driftChamberLog = new G4LogicalVolume(driftChamberBox,He,
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"DriftChamberLogical", 0, 0, 0);
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// -- Placement:
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G4PVPlacement *driftChamberPhys = new G4PVPlacement(0,G4ThreeVector(0., 0., 50*cm),
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"DriftChamberPhysical",
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driftChamberLog,
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WorldPhys,false,0);
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//--------------------------
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// "Calorimeter": used in
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// parameterisation below
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//--------------------------
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// -- Logical volume:
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G4Box *calorimeterBox
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= new G4Box("CalorimeterSolid", detectSize, detectSize, 20*cm);
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G4LogicalVolume *calorimeterLog = new G4LogicalVolume(calorimeterBox,Air,
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"CalorimeterLogical", 0, 0, 0);
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// -- Placement:
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G4PVPlacement *calorimeterPhys = new G4PVPlacement(0,G4ThreeVector(0., 0., 120*cm),
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"CalorimeterPhysical",
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calorimeterLog,
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WorldPhys,false,0);
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//--------------------------------------
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// The calorimeter is filled with
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// crystals:
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//--------------------------------------
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// -- Logical volume:
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G4double CrystalX = 2.5*cm;
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G4double CrystalY = CrystalX;
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G4double CrystalZ = 20*cm;
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G4Box *CrystalSolid = new G4Box("CrystalSolid", CrystalX, CrystalY, CrystalZ);
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theCrystalLog = new G4LogicalVolume(CrystalSolid,CsI,
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"CrystalLogical", 0, 0, 0);
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// create UserLimits
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if (theUserLimitsForCrystal != NULL) delete theUserLimitsForCrystal;
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theUserLimitsForCrystal = new G4UserLimits( DBL_MAX, //step max
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DBL_MAX, // track max
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theMaxTimeCutsInCrystal,
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theMinEkineCutsInCrystal,
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theMinRangeCutsInCrystal );
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// attach UserLimits
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if (fUseUserLimits) {
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theCrystalLog->SetUserLimits(theUserLimitsForCrystal);
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}
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G4String tName1("Crystal"); // Allow all target physicals to share
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// same name (delayed copy)
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// -- and placements inside the calorimeter:
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G4PVPlacement *crystalPhys;
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G4int copyNo=0;
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G4double xTlate, yTlate;
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G4int nX = 48;
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G4int nY = 48;
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for (G4int j = 0; j < nY; j++)
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{
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yTlate = -detectSize + 3*CrystalY + j*2*CrystalY;
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for (G4int i = 0; i < nX; i++)
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{
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xTlate = -detectSize + 3*CrystalX + i*2*CrystalX;
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crystalPhys
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= new G4PVPlacement(0,G4ThreeVector(xTlate,yTlate,0*cm),
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tName1,
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theCrystalLog,
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calorimeterPhys,false,copyNo++);
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}
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}
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//--------------------------
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// "Hadron Calorimeter": used
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// in parameterisation with
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// a ghost volume
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//--------------------------
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// -- Logical volume:
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G4Box *hadCaloBox
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= new G4Box("HadCaloSolid", detectSize, detectSize, 50*cm);
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G4LogicalVolume *hadCaloLog = new G4LogicalVolume(hadCaloBox,Air,
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"HadCaloLogical", 0, 0, 0);
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// -- Placement:
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G4PVPlacement *hadCaloPhys = new G4PVPlacement(0,G4ThreeVector(0., 0., 200*cm),
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"HadCaloPhysical",
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hadCaloLog,
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WorldPhys,false,0);
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//--------------------------------------
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// The calorimeter is filled with
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// towers:
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//--------------------------------------
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// -- Logical volume:
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G4double TowerX = 5*cm;
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G4double TowerY = TowerX;
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G4double TowerZ = 45*cm;
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G4Box *TowerSolid = new G4Box("TowerSolid", TowerX, TowerY, TowerZ);
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theTowerLog = new G4LogicalVolume(TowerSolid,Fe,
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"TowerLogical", 0, 0, 0);
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G4String tName2("Tower");
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// -- and placements inside the calorimeter:
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G4PVPlacement *towerPhys;
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copyNo=0;
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G4int nXhad = 23;
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G4int nYhad = 23;
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for (G4int jj = 0; jj < nYhad; jj++)
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{
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yTlate = -detectSize + 3*TowerY + jj*2*TowerY;
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for (G4int i = 0; i < nXhad; i++)
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{
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xTlate = -detectSize + 3*TowerX + i*2*TowerX;
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towerPhys
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= new G4PVPlacement(0,G4ThreeVector(xTlate,yTlate,0*cm),
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tName2,
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theTowerLog,
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hadCaloPhys,false,copyNo++);
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}
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}
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//------------------------------------------------------------
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//
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//
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//--------------- Ghost Volumes ------------------------------------
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// Ghost volumes will be placed in an automatic copy of the world volume.
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// The placement of the ghost logical volume are specified by the
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// G4FastSimulationManager object attached to it.
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// Those placement are given compared to the world.
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// -- Solid:
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G4Box *ghostBox
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= new G4Box("GhostBox", detectSize+5*cm, detectSize+5*cm, 80*cm);
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// -- Logical volume:
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G4LogicalVolume* ghostLogical
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= new G4LogicalVolume(ghostBox,Air,
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"GhostLogical",
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0, 0, 0);
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// G4FastSimulationManager doesn't exist yet: we set it
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// (not needed if we set a G4VFastSimulationModel which
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// takes care of creating one if needed)
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new G4FastSimulationManager(ghostLogical);
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ghostLogical->GetFastSimulationManager()->
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AddGhostPlacement(0,G4ThreeVector(0., 0., 175*cm));
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//--------- Sensitive detector -------------------------------------
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G4SDManager* SDman = G4SDManager::GetSDMpointer();
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G4String calorimeterSDname = "ExN05/Calorimeter";
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ExN05CalorimeterSD* CalorimeterSD = new ExN05CalorimeterSD( calorimeterSDname, nX*nY, "CalCollection" );
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SDman->AddNewDetector( CalorimeterSD );
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theCrystalLog->SetSensitiveDetector(CalorimeterSD);
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G4String hadCalorimeterSDname = "ExN05/HadronCalorimeter";
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ExN05CalorimeterSD* HadCalorimeterSD = new ExN05CalorimeterSD( hadCalorimeterSDname, nXhad*nYhad, "HadCollection" );
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SDman->AddNewDetector( HadCalorimeterSD );
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theTowerLog->SetSensitiveDetector(HadCalorimeterSD);
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//------------------ Parameterisation ------------------------------
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// builds a model and sets it to the envelope of the calorimeter:
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ExN05EMShowerModel* emShowerModel =
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new ExN05EMShowerModel("emShowerModel",calorimeterLog);
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// and a model attached to the ghost:
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ExN05PionShowerModel* ghostPionShowerModel =
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new ExN05PionShowerModel("ghostPionShowerModel",ghostLogical);
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//--------- Visualization attributes -------------------------------
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WorldLog->SetVisAttributes(G4VisAttributes::Invisible);
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G4VisAttributes * driftchamberTubeVisAtt
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= new G4VisAttributes(G4Colour(0.0,1.0,0.0));
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driftchamberTubeVisAtt->SetForceWireframe(true);
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driftChamberLog->SetVisAttributes(driftchamberTubeVisAtt);
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G4VisAttributes * calorimeterBoxVisAtt
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= new G4VisAttributes(G4Colour(0.0,0.0,1.0));
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calorimeterBoxVisAtt->SetForceWireframe(true);
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calorimeterLog->SetVisAttributes(calorimeterBoxVisAtt);
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G4VisAttributes * crystalVisAtt
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= new G4VisAttributes(G4Colour(1.0,0.0,0.0));
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crystalVisAtt->SetForceWireframe(true);
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theCrystalLog->SetVisAttributes(crystalVisAtt);
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G4VisAttributes * hadCaloBoxVisAtt
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= new G4VisAttributes(G4Colour(1.0,0.0,1.0));
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hadCaloBoxVisAtt->SetForceWireframe(true);
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hadCaloLog->SetVisAttributes(hadCaloBoxVisAtt);
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G4VisAttributes * towerVisAtt
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= new G4VisAttributes(G4Colour(0.5,0.0,1.0));
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towerVisAtt->SetForceWireframe(true);
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theTowerLog->SetVisAttributes(towerVisAtt);
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G4VisAttributes * ghostVisAtt
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= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
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ghostVisAtt->SetForceWireframe(true);
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ghostLogical->SetVisAttributes(ghostVisAtt);
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//------------------------------------------------------------------
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//-----------------------
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// Returns the pointer to
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// the physical world:
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//-----------------------
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return WorldPhys;
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}
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void ExN05DetectorConstruction::SetMaxTimeInCrystal(G4double value)
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{
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theMaxTimeCutsInCrystal = value;
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if (theUserLimitsForCrystal != NULL) {
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theUserLimitsForCrystal->SetUserMaxTime(value);
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}
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}
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void ExN05DetectorConstruction::SetMinEkineInCrystal(G4double value)
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{
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theMinEkineCutsInCrystal = value;
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if (theUserLimitsForCrystal != NULL) {
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theUserLimitsForCrystal->SetUserMinEkine(value);
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}
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}
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void ExN05DetectorConstruction::SetMinRangeInCrystal(G4double value)
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{
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theMinRangeCutsInCrystal = value;
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if (theUserLimitsForCrystal != NULL) {
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theUserLimitsForCrystal->SetUserMinRange(value);
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}
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}
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void ExN05DetectorConstruction::UseUserLimits(G4bool isUse)
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{
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fUseUserLimits = isUse;
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if ( fUseUserLimits && (theUserLimitsForCrystal!= NULL)) {
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theCrystalLog->SetUserLimits(theUserLimitsForCrystal);
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}
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}
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