Gabriele Cosmo
92 lines
3.4 KiB
Plaintext
92 lines
3.4 KiB
Plaintext
// 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: EXPO_Detector.icc,v 1.3 1999/12/15 14:48:41 gunter Exp $
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// GEANT4 tag $Name: geant4-03-01 $
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//
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// See also G4/run/example/MyDetectorConstruction.cc.
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#include <G4VUserDetectorConstruction.hh>
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#ifdef DEBUG
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#include <stdio.h>
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#endif
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#include <globals.hh>
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#include <G4Element.hh>
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#include <G4Material.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 <G4PVPlacement.hh>
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#include <G4ThreeVector.hh>
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class EXPO_DetectorConstruction : public G4VUserDetectorConstruction
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{
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public:
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EXPO_DetectorConstruction()
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{
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}
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~EXPO_DetectorConstruction()
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{
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}
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G4VPhysicalVolume* Construct()
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{
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G4String name,symbol;
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G4double iz,a;
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G4double z,density;
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G4int nel;
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#ifdef DEBUG
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printf ("debug : EXPO_DetectorConstruction.Construct : begin.\n");
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#endif
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// Elements
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G4Element* elN = new G4Element (name="Nitrogen" , symbol="N", iz=7., a=14.01*g/mole);
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G4Element* elO = new G4Element (name="Oxygen" , symbol="O", iz=8., a=16.00*g/mole);
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#ifdef DEBUG
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printf ("debug : EXPO_DetectorConstruction.Construct : end Elements.\n");
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#endif
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// Materials
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G4Material* Air = new G4Material("Air" , density = 1.29e-03*g/cm3, nel=2);
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Air->AddElement (elN, .7);
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Air->AddElement (elO, .3);
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#ifdef DEBUG
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printf ("debug : EXPO_DetectorConstruction.Construct : end Air.\n");
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#endif
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G4Material* Al = new G4Material("Aluminium", z=13., a = 26.98 *g/mole, density = 2.7 *g/cm3);
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G4Material* Fe = new G4Material("Iron" , z=26., a = 55.85 *g/mole, density = 7.87 *g/cm3);
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G4Material* Pb = new G4Material("Lead" , z=82., a = 207.19*g/mole, density = 11.35*g/cm3);
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#ifdef DEBUG
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printf ("debug : EXPO_DetectorConstruction.Construct : end Materials.\n");
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#endif
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// Geometry
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G4Box* myWorldBox = new G4Box ("WorldBox" ,10000*cm,10000*cm,10000*cm);
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G4Box* myCalorBox = new G4Box ("CalorBox" ,1500*cm ,1500*cm ,1000*cm);
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G4Tubs* myChambTube = new G4Tubs ("ChambTube" ,50*cm,150*cm,200*cm,0.*deg,360.*deg);
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#ifdef DEBUG
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printf ("debug : EXPO_DetectorConstruction.Construct : end Geometry.\n");
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#endif
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// Logical volumes
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G4LogicalVolume* myWorldLog = new G4LogicalVolume (myWorldBox ,Air,"WorldLog" ,0,0,0);
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G4LogicalVolume* myCalorLog = new G4LogicalVolume (myCalorBox ,Air,"CalorLog" ,0,0,0);
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G4LogicalVolume* myChambLog = new G4LogicalVolume (myChambTube ,Pb ,"ChambLog" ,0,0,0);
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#ifdef DEBUG
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printf ("debug : EXPO_DetectorConstruction.Construct : end Logical volumes.\n");
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#endif
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// Physical volumes
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G4PVPlacement* myWorldPhys = new G4PVPlacement (0,G4ThreeVector() ,"WorldPhys",myWorldLog,0 ,false,0);
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G4PVPlacement* myCalorPhys = new G4PVPlacement (0,G4ThreeVector() ,"CalorPhys",myCalorLog,myWorldPhys,false,0);
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G4PVPlacement* myChambPhys = new G4PVPlacement (0,G4ThreeVector(0*cm,0*cm,0*cm),"ChambPhys",myChambLog,myCalorPhys,false,1);
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#ifdef DEBUG
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printf ("debug : EXPO_DetectorConstruction.Construct : end.\n");
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#endif
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return myWorldPhys;
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}
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};
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