//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
/// \file runAndEvent/RE04/src/RE04DetectorContruction.cc
/// \brief Implementation of the RE04DetectorContruction class
//
// $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"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
RE04DetectorConstruction::RE04DetectorConstruction()
  : G4VUserDetectorConstruction(),
    fAir(0), fWater(0), fPb(0), fWorldPhys(0), fConstructed(false)
{;}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
RE04DetectorConstruction::~RE04DetectorConstruction()
{;}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4VPhysicalVolume* RE04DetectorConstruction::Construct()
{
  if(!fConstructed)
  { 
    fConstructed = true;
    DefineMaterials();
    SetupGeometry();
  }
  return fWorldPhys;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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);
}


