Import Geant4 0.0.0 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: ExN02DetectorConstruction.cc,v 1.9 1998/12/04 21:26:12 japost Exp $
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// GEANT4 tag $Name: geant4-00 $
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//
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//
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#include "ExN02DetectorConstruction.hh"
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#include "ExN02DetectorMessenger.hh"
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#include "ExN02ChamberParameterisation.hh"
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#include "G4Material.hh"
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#include "G4MaterialTable.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 "G4GeometryManager.hh"
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#include "ExN02MagneticField.hh"
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#include "G4PVParameterised.hh"
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#include "G4FieldManager.hh"
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#include "G4TransportationManager.hh"
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///#include "G4UserLimits.hh"
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#include "G4SDManager.hh"
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#include "ExN02TrackerSD.hh"
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#include "G4VisAttributes.hh"
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#include "G4Colour.hh"
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#include "G4ios.hh"
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ExN02DetectorConstruction::ExN02DetectorConstruction()
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:solidWorld(NULL),logicWorld(NULL),physiWorld(NULL),
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solidTracker(NULL),logicTracker(NULL),physiTracker(NULL),
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solidTarget(NULL),logicTarget(NULL),physiTarget(NULL),
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solidChamber(NULL),logicChamber(NULL),physiChamber(NULL),
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myMaterial(NULL), fDetectorLength(0.),fWorldLength(0.)
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{
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detectorMessenger = new ExN02DetectorMessenger(this);
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fpMagField = new ExN02MagneticField(); // G4FieldManager();
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// magFieldManager = new G4FieldManager();
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}
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ExN02DetectorConstruction::~ExN02DetectorConstruction()
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{
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delete detectorMessenger;
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delete fpMagField;
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// delete magFieldManager;
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}
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G4VPhysicalVolume* ExN02DetectorConstruction::Construct()
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{
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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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//Air
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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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density = 1.29*mg/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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//Al
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a = 26.98*g/mole;
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density = 2.7*g/cm3;
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G4Material* Aluminium = new G4Material(name="Al", z=13., a, density);
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//Pb
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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="Pb", z=82., a, density);
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//Vacuum
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a = 1.*g/mole;
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density = 1.e-20*g/cm3;
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G4Material* Vacuum = new G4Material(name="Vacuum",z=1.,a,density);
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//--------- Sizes of the principal geometrical components (solids) ---------
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fDetectorLength = 750.*cm ; // Full length of the detector
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fTrackerLength = 500. * cm; // Full length of the Tracker
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fTargetLength = 5.0 * cm; // Full length of the Target
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G4double detectorSize = 0.5*fDetectorLength;
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G4double trackerSize = fTrackerLength * 0.5; // Half length of the Tracker
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G4double targetSize = fTargetLength * 0.5; // Half length of the Target
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//--------- Definitions of Solids, Logical Volumes, Physical Volumes ---------
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myMaterial = Aluminium;
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//------------------------------
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// World
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//------------------------------
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fWorldLength= 1.2 * fDetectorLength;
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G4double HalfWorldLength = 0.5*fWorldLength;
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solidWorld= new G4Box("World",HalfWorldLength,HalfWorldLength,HalfWorldLength);
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logicWorld= new G4LogicalVolume( solidWorld, Air, "World", 0, 0, 0);
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// Must place the World Physical volume unrotated at (0,0,0).
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//
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physiWorld = new G4PVPlacement(0, // no rotation
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G4ThreeVector(), // at (0,0,0)
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"WorldPV", // its name
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logicWorld, // its logical volume
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0, // its mother volume
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false, // no boolean operations
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0); // no field specific to volume
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//------------------------------
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// Target
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//------------------------------
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solidTarget = new G4Box("TargetSolid",targetSize,targetSize,targetSize);
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logicTarget = new G4LogicalVolume(solidTarget ,myMaterial,"TargetLV",0,0,0);
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physiTarget = new G4PVPlacement(0, // no rotation
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G4ThreeVector(), // at (0,0,0)
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"TargetPV", // its name
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logicTarget, // its logical volume
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physiWorld, // its mother volume
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false, // no boolean operations
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0); // no particular field
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G4cout << "Target is " << 2*targetSize/cm << " cm of Al " << endl;
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//------------------------------
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// Tracker
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//------------------------------
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G4ThreeVector positionTracker;
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solidTracker = new G4Box("Tracker",trackerSize,trackerSize,trackerSize);
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logicTracker = new G4LogicalVolume(solidTracker , Air, "Tracker",0,0,0);
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positionTracker= G4ThreeVector(0,0,trackerSize+targetSize);
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physiTracker = new G4PVPlacement(0, // no rotation
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positionTracker, // at (0,0,0)
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"Tracker", // its name
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logicTracker, // its logical volume
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physiWorld, // its mother volume
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false, // no boolean operations
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0); // no particular field
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//------------------------------
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// Tracker segments
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//------------------------------
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// An example of Parameterised volumes
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// dummy values for G4Box -- modified by parameterised volume
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G4VSolid * solidChamber
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= new G4Box("chamberBox", 100*cm, 100*cm, 10*cm);
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// chamberWidth, chamberWidth, chamberDepth);
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G4LogicalVolume * trackerChamberLV
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= new G4LogicalVolume(solidChamber, Aluminium, "trackerChamberLV",0,0,0);
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G4VPVParameterisation * chamberParam
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= new ExN02ChamberParameterisation(
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6, // NoChambers,
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-240.*cm, // Z of center of first
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80*cm, // Z spacing of centers
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20*cm, // Width Chamber,
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50*cm, // lengthInitial,
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trackerSize*2.); // lengthFinal
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// dummy value : kXAxis -- modified by parameterised volume
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G4VPhysicalVolume *trackerChamber_phys
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= new G4PVParameterised("trkChamber", // TrackerChamber parameterised
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trackerChamberLV, // Its logical volume
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physiTracker, // Mother physical volume
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kZAxis, // Are placed along this axis
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6, // Number of chambers
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chamberParam); // The parametrisation
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G4VisAttributes* trackerChamber_logVisAtt
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= new G4VisAttributes(G4Colour(0.5,0.0,1.0));
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trackerChamberLV->SetVisAttributes(trackerChamber_logVisAtt);
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//------------------------------------------------
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// Sensitive detectors
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//------------------------------------------------
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G4SDManager* SDman = G4SDManager::GetSDMpointer();
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G4String trackerChamberSDname = "ExN02/TrackerChamberSD";
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ExN02TrackerSD* aTrackerSD = new ExN02TrackerSD( trackerChamberSDname );
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SDman->AddNewDetector( aTrackerSD );
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trackerChamberLV->SetSensitiveDetector( aTrackerSD );
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//--------- Visualization attributes -------------------------------
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logicWorld->SetVisAttributes (G4VisAttributes::Invisible);
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G4VisAttributes * simpleBoxVisAtt
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= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
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simpleBoxVisAtt->SetVisibility(true);
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logicTracker->SetVisAttributes(simpleBoxVisAtt);
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//set a max Step length in the absorber
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///G4double maxStep = fDetectorLength/0.7, maxLength=fDetectorLength/0.7;
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///G4double maxTime = 0.1*ns, minEkin = 10*MeV;
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///logicAbsorber->SetUserLimits(new G4UserLimits(maxStep,maxLength,maxTime,
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/// minEkin));
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return physiWorld;
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}
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#if 0
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void ExN02DetectorConstruction::setMaterial(G4String materialChoice)
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{
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const G4MaterialTable*
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theMaterialTable = G4Material::GetMaterialTable();
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G4Material* pttoMaterial;
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for (G4int J=0 ; J<theMaterialTable->length() ; J++)
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{ pttoMaterial = (*theMaterialTable)(J);
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if(pttoMaterial->GetName() == materialChoice)
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{myMaterial = pttoMaterial;
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logicTracker->SetMaterial(pttoMaterial);
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G4cout << "Absorber is " << fDetectorLength/cm << " cm of " << materialChoice
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<< endl;}
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}
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}
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#endif
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void ExN02DetectorConstruction::SetDetectorLength(G4double length)
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{
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G4GeometryManager::GetInstance()->OpenGeometry();
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fDetectorLength = length;
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fWorldLength = 1.2*fDetectorLength;
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G4double halfSize = 0.5 * fDetectorLength;
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G4double halfWorldLength = 0.5*fWorldLength;
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solidWorld -> SetXHalfLength(halfWorldLength);
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solidWorld -> SetYHalfLength(halfWorldLength);
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solidWorld -> SetZHalfLength(halfWorldLength);
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solidTracker -> SetXHalfLength(halfSize);
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solidTracker -> SetYHalfLength(halfSize);
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solidTracker -> SetZHalfLength(halfSize);
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G4cout << "Absorber is " << fDetectorLength/cm << " cm of " << myMaterial->GetName()
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<< endl;
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}
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void ExN02DetectorConstruction::SetMagField(G4double fieldValue)
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{
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fpMagField->SetFieldValue(fieldValue);
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}
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