RE04DetectorContruction.cc

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//
//
// $Id: $
//
#include "RE04DetectorConstruction.hh"

#include "G4NistManager.hh"
#include "G4Material.hh"
#include "G4Box.hh"
#include "G4LogicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4UniformMagField.hh"
#include "G4TransportationManager.hh"
#include "G4FieldManager.hh"
#include "G4VisAttributes.hh"
#include "G4Colour.hh"

#include "G4SystemOfUnits.hh"    
#include "G4ios.hh"

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RE04DetectorConstruction::RE04DetectorConstruction()
  : G4VUserDetectorConstruction(),
    fAir(0), fWater(0), fPb(0), fWorldPhys(0), fConstructed(false)
{;}

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RE04DetectorConstruction::~RE04DetectorConstruction()
{;}

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G4VPhysicalVolume* RE04DetectorConstruction::Construct()
{
  if(!fConstructed)
  { 
    fConstructed = true;
    DefineMaterials();
    SetupGeometry();
  }
  return fWorldPhys;
}

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void RE04DetectorConstruction::DefineMaterials()
{ 
  //=====================
  // Material Definitions
  //=====================
  //  
  //-------- NIST Materials ----------------------------------------------------
  //  Material Information imported from NIST database.
  //
  G4NistManager* pNISTman = G4NistManager::Instance();
  fAir  = pNISTman->FindOrBuildMaterial("G4_AIR");
  fWater  = pNISTman->FindOrBuildMaterial("G4_WATER");
  fPb = pNISTman->FindOrBuildMaterial("G4_Pb");

  //
  // Print all the materials defined.
  G4cout << G4endl << "The materials defined are : " << G4endl << G4endl;
  G4cout << *(G4Material::GetMaterialTable()) << G4endl;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE04DetectorConstruction::SetupGeometry()
{
  //     
  // World
  //
  G4VSolid* worldSolid = new G4Box("World",1.*m,1.*m,1.*m);
  G4LogicalVolume* worldLogical = new G4LogicalVolume(worldSolid,fAir,"World");
  fWorldPhys = new G4PVPlacement(0,G4ThreeVector(),worldLogical,"World",
                        0,false,0);
  
  //                               
  // Phantom
  //  
  G4VSolid* phantomSolid = new G4Box("Phantom",50.*cm,50.*cm,50.*cm);
  G4LogicalVolume* phantomLogical = new G4LogicalVolume(phantomSolid,fAir,
                                                        "Phantom");
  new G4PVPlacement(0,G4ThreeVector(),phantomLogical,"Phantom",
                         worldLogical,false,0);

  //                                        
  // Visualization attributes
  //
  worldLogical->SetVisAttributes(G4VisAttributes::GetInvisible());
  G4VisAttributes* simpleBoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
  simpleBoxVisAtt->SetVisibility(true);
  phantomLogical->SetVisAttributes(simpleBoxVisAtt);
}