Gabriele Cosmo
222 lines
7.7 KiB
C++
222 lines
7.7 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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/// \file polarisation/Pol01/src/DetectorConstruction.cc
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/// \brief Implementation of the DetectorConstruction class
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//
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "DetectorConstruction.hh"
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#include "DetectorMessenger.hh"
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#include "G4Box.hh"
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#include "G4GeometryManager.hh"
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#include "G4LogicalVolume.hh"
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#include "G4LogicalVolumeStore.hh"
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#include "G4Material.hh"
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#include "G4NistManager.hh"
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#include "G4PVPlacement.hh"
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#include "G4PhysicalVolumeStore.hh"
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#include "G4PolarizationManager.hh"
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#include "G4RunManager.hh"
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#include "G4SolidStore.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4UnitsTable.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::DetectorConstruction()
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: G4VUserDetectorConstruction(), fWorld(0), fBox(0), fTargetMaterial(0), fWorldMaterial(0)
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{
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fBoxSizeXY = 50 * mm;
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fBoxSizeZ = 5 * mm;
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fWorldSize = 1. * m;
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ConstructMaterials();
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fMessenger = new DetectorMessenger(this);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::~DetectorConstruction()
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{
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delete fMessenger;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::ConstructMaterials()
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{
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auto nistManager = G4NistManager::Instance();
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fTargetMaterial = nistManager->FindOrBuildMaterial("G4_Fe");
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if (fTargetMaterial == nullptr) {
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G4cerr << "### ERROR - Material: <"
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<< "G4_Fe"
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<< "> not found" << G4endl;
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}
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fWorldMaterial = nistManager->FindOrBuildMaterial("G4_Galactic");
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if (fWorldMaterial == nullptr) {
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G4cerr << "### ERROR - Material: <"
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<< "G4_Galactic"
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<< "> not found" << G4endl;
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4LogicalVolume* lBox;
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G4VPhysicalVolume* DetectorConstruction::Construct()
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{
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// G4PolarizationManager::GetInstance()->Clean();
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// World
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//
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G4Box* sWorld = new G4Box("World", // name
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fWorldSize / 2, fWorldSize / 2, fWorldSize / 2); // dimensions
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G4LogicalVolume* lWorld = new G4LogicalVolume(sWorld, // shape
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fWorldMaterial, // material
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"World"); // name
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fWorld = new G4PVPlacement(0, // no rotation
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G4ThreeVector(), // at (0,0,0)
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lWorld, // logical volume
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"World", // name
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0, // mother volume
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false, // no boolean operation
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0); // copy number
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// Box
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//
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G4Box* sBox = new G4Box("Container", // its name
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fBoxSizeXY / 2., fBoxSizeXY / 2., fBoxSizeZ / 2.); // its dimensions
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// G4LogicalVolume*
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lBox = new G4LogicalVolume(sBox, // its shape
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fTargetMaterial, // its material
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"theBox"); // its name
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fBox = new G4PVPlacement(0, // no rotation
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G4ThreeVector(), // at (0,0,0)
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lBox, // its logical volume
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fTargetMaterial->GetName(), // its name
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lWorld, // its mother volume
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false, // no boolean operation
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0); // copy number
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PrintParameters();
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// always return the root volume
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//
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return fWorld;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::ConstructSDandField()
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{
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// register logical Volume in PolarizationManager with zero polarization
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G4PolarizationManager* polMgr = G4PolarizationManager::GetInstance();
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polMgr->SetVolumePolarization(lBox, G4ThreeVector(0., 0., 0.));
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::PrintParameters()
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{
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G4cout << "\n The Box is " << G4BestUnit(fBoxSizeXY, "Length") << " x "
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<< G4BestUnit(fBoxSizeXY, "Length") << " x " << G4BestUnit(fBoxSizeZ, "Length") << " of "
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<< fTargetMaterial->GetName() << G4endl;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetTargetMaterial(G4String materialChoice)
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{
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// search the material by its name
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G4Material* mat = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
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if (mat != fTargetMaterial) {
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if (mat) {
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fTargetMaterial = mat;
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G4RunManager::GetRunManager()->PhysicsHasBeenModified();
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UpdateGeometry();
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}
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else {
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G4cout << "### Warning! Target material: <" << materialChoice << "> not found" << G4endl;
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}
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetWorldMaterial(G4String materialChoice)
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{
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// search the material by its name
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G4Material* mat = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
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if (mat != fWorldMaterial) {
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if (mat) {
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fWorldMaterial = mat;
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G4RunManager::GetRunManager()->PhysicsHasBeenModified();
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UpdateGeometry();
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}
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else {
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G4cout << "### Warning! World material: <" << materialChoice << "> not found" << G4endl;
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}
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetSizeXY(G4double value)
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{
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fBoxSizeXY = value;
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if (fWorldSize < fBoxSizeXY) fWorldSize = 1.2 * fBoxSizeXY;
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UpdateGeometry();
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}
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void DetectorConstruction::SetSizeZ(G4double value)
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{
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fBoxSizeZ = value;
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if (fWorldSize < fBoxSizeZ) fWorldSize = 1.2 * fBoxSizeZ;
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UpdateGeometry();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "G4RunManager.hh"
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void DetectorConstruction::UpdateGeometry()
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{
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// if (fWorld)
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// G4RunManager::GetRunManager()->DefineWorldVolume(Construct());
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G4RunManager::GetRunManager()->GeometryHasBeenModified();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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