examples/extended/parallel/MPI/examples/exMPI01/src/DetectorConstruction.cc

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// $Id: DetectorConstruction.cc 78126 2013-12-03 17:43:56Z gcosmo $
//

#include "G4Box.hh"
#include "G4LogicalVolume.hh"
#include "G4Material.hh"
#include "G4PVPlacement.hh"
#include "G4SystemOfUnits.hh"
#include "G4Tubs.hh"
#include "G4VisAttributes.hh"
#include "DetectorConstruction.hh"
#include "Materials.hh"

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DetectorConstruction::DetectorConstruction()
{
}

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DetectorConstruction::~DetectorConstruction()
{
}

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G4VPhysicalVolume* DetectorConstruction::Construct()
{
  // material definition
  Materials* materialConstruction = new Materials;
  materialConstruction-> Construct();

  G4Material* mate;
  G4VisAttributes* va;

  // world volume
  const G4double DXYZ_AREA = 32.*cm;
  G4Box* areaSolid = new G4Box("AREA", DXYZ_AREA/2., DXYZ_AREA/2.,
                                       DXYZ_AREA/2.);

  G4Material* vacuum = G4Material::GetMaterial("Vacuum");
  G4LogicalVolume* areaLV = new G4LogicalVolume(areaSolid, vacuum, "AREA_LV");
  G4PVPlacement* area = new G4PVPlacement(0, G4ThreeVector(), "AREA_PV",
                                          areaLV, 0, false, 0);
  // vis. attributes
  va = new G4VisAttributes(G4Color(1.,1.,1.));
  va-> SetVisibility(false);
  areaLV-> SetVisAttributes(va);

  // detectors
  // voxel
  const G4double dvoxel = 10.*mm;
  const G4double dl = 10.*cm;

  G4Box* svoxel = new G4Box("voxel", dvoxel, dl, dvoxel);
  mate = G4Material::GetMaterial("Vacuum");
  G4LogicalVolume* lvoxel = new G4LogicalVolume(svoxel, mate, "voxel");
  va = new G4VisAttributes(G4Color(0.,0.8,0.8));
  va-> SetVisibility(false);
  lvoxel-> SetVisAttributes(va);

  G4int ix, iz;
  G4int index = 0;
  for ( iz = 0; iz < 5; iz++ ) {
    for ( ix = -7; ix <= 7; ix++ ) {
      G4double x0 = (2.*ix) * cm;
      G4double z0 = (-13.+2.*iz) * cm;
      new G4PVPlacement(0, G4ThreeVector(x0, 0., z0),
                        lvoxel, "voxel", areaLV, false, index);
      index++;
    }
  }

  // tube
  G4Tubs* stube = new G4Tubs("tube", 0.*mm, 19./2.*mm, dl, 0., 360.*deg);
  mate = G4Material::GetMaterial("Al");
  G4LogicalVolume* ltube = new G4LogicalVolume(stube, mate, "tube");
  va = new G4VisAttributes(G4Color(0.,0.8,0.8));
  ltube-> SetVisAttributes(va);

  G4RotationMatrix* rmtube = new G4RotationMatrix;
  rmtube-> rotateX(-90.*deg);
  new G4PVPlacement(rmtube, G4ThreeVector(),
                    ltube, "tube", lvoxel, false, 0);

  // cal
  const G4double dxycal = 25.*mm;
  const G4double dzcal = 3.*cm;

  G4Box* scal = new G4Box("cal", dxycal, dxycal, dzcal);
  mate = G4Material::GetMaterial("CsI");
  G4LogicalVolume* lcal = new G4LogicalVolume(scal, mate, "cal");
  va = new G4VisAttributes(G4Color(0.5,0.5,0.));
  lcal-> SetVisAttributes(va);

  index = 0;
  for ( ix = -2; ix <= 2; ix++ ) {
    G4double x0 = (5.*ix)*cm;
    new G4PVPlacement(0, G4ThreeVector(x0, 0., 2.*cm),
                      lcal, "cal", areaLV, false, index);
    index++;
  }

  return area;
}

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void DetectorConstruction::ConstructSDandField()
{
}