Files
geant4/examples/extended/biasing/GB01/src/GB01DetectorConstruction.cc
T

118 lines
5.3 KiB
C++

//
// ********************************************************************
// * 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. *
// ********************************************************************
//
#include "GB01DetectorConstruction.hh"
#include "G4SystemOfUnits.hh"
#include "G4Material.hh"
#include "G4NistManager.hh"
#include "G4Box.hh"
#include "G4LogicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4UniformMagField.hh"
#include "G4LogicalVolumeStore.hh"
#include "G4VisAttributes.hh"
#include "G4Colour.hh"
#include "G4NistManager.hh"
#include "GB01BOptrMultiParticleChangeCrossSection.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
GB01DetectorConstruction::GB01DetectorConstruction()
{}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
GB01DetectorConstruction::~GB01DetectorConstruction()
{}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4VPhysicalVolume* GB01DetectorConstruction::Construct()
{
G4Material* worldMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
G4Material* defaultMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_lN2");
G4VSolid* solidWorld = new G4Box("World", 10*m, 10*m, 10*m );
G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, // its solid
worldMaterial, // its material
"World"); // its name
G4PVPlacement* physiWorld = new G4PVPlacement(0, // no rotation
G4ThreeVector(), // at (0,0,0)
logicWorld, // its logical volume
"World", // its name
0, // its mother volume
false, // no boolean operation
0); // copy number
// -----------------------------------
// -- volume where biasing is applied:
// -----------------------------------
G4double halfZ = 10*cm;
G4VSolid* solidTest = new G4Box("test.solid", 1*m, 1*m, halfZ );
G4LogicalVolume* logicTest = new G4LogicalVolume(solidTest, // its solid
defaultMaterial, // its material
"test.logical"); // its name
new G4PVPlacement(0, // no rotation
G4ThreeVector(0,0, halfZ), // volume entrance at (0,0,0)
logicTest, // its logical volume
"test.phys", // its name
logicWorld, // its mother volume
false, // no boolean operation
0); // copy number
return physiWorld;
}
void GB01DetectorConstruction::ConstructSDandField()
{
// -- Fetch volume for biasing:
G4LogicalVolume* logicTest = G4LogicalVolumeStore::GetInstance()->GetVolume("test.logical");
// ----------------------------------------------
// -- operator creation and attachment to volume:
// ----------------------------------------------
GB01BOptrMultiParticleChangeCrossSection* testMany =
new GB01BOptrMultiParticleChangeCrossSection();
testMany->AddParticle("gamma");
testMany->AddParticle("neutron");
testMany->AttachTo(logicTest);
G4cout << " Attaching biasing operator " << testMany->GetName()
<< " to logical volume " << logicTest->GetName()
<< G4endl;
}