Import Geant4 10.4.0 source tree
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Gabriele Cosmo
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//
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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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// $Id$
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//
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/// \file DetectorConstruction.cc
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/// \brief Implementation of the DetectorConstruction class
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#include "DetectorConstruction.hh"
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#include "G4Material.hh"
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#include "G4NistManager.hh"
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#include "G4Box.hh"
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#include "G4LogicalVolume.hh"
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#include "G4PVPlacement.hh"
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#include "G4GenericMessenger.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::DetectorConstruction(
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const G4String& boxMaterialName,
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G4double boxHx, G4double boxHy, G4double boxHz,
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const G4String& worldMaterialName,
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G4double worldSizeFactor)
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: G4VUserDetectorConstruction(),
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fMessenger(nullptr),
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fBoxMaterialName(boxMaterialName),
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fWorldMaterialName(worldMaterialName),
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fBoxDimensions(boxHx*2, boxHy*2, boxHz*2),
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fWorldSizeFactor(worldSizeFactor),
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fBoxVolume(nullptr),
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fWorldVolume(nullptr)
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{
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DefineCommands();
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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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G4VPhysicalVolume* DetectorConstruction::Construct()
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{
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// Define materials via NIST manager
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//
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auto nistManager = G4NistManager::Instance();
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auto worldMaterial = nistManager->FindOrBuildMaterial(fWorldMaterialName);
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auto boxMaterial = nistManager->FindOrBuildMaterial(fBoxMaterialName);
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// Geometry parameters
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//
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G4ThreeVector worldDimensions = fBoxDimensions * fWorldSizeFactor;
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// World
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//
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auto sWorld
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= new G4Box("World", //name
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worldDimensions.x(), //dimensions (half-lentghs)
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worldDimensions.y(),
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worldDimensions.z());
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fWorldVolume
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= new G4LogicalVolume(sWorld, //shape
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worldMaterial, //material
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"World"); //name
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auto pWorld
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= new G4PVPlacement(0, //no rotation
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G4ThreeVector(), //at (0,0,0)
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fWorldVolume, //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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auto sBox
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= new G4Box("Box", //its name
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fBoxDimensions.x(), //dimensions (half-lengths)
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fBoxDimensions.y(),
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fBoxDimensions.z());
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fBoxVolume
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= new G4LogicalVolume(sBox, //its shape
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boxMaterial, //its material
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"Box"); //its name
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new G4PVPlacement(0, //no rotation
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G4ThreeVector(), //at (0,0,0)
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fBoxVolume, //its logical volume
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"Box", //its name
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fWorldVolume, //its mother volume
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false, //no boolean operation
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0); //copy number
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//always return the root volume
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//
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return pWorld;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetBoxMaterial(const G4String& materialName)
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{
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auto nistManager = G4NistManager::Instance();
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auto newMaterial = nistManager->FindOrBuildMaterial(materialName);
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if ( ! newMaterial ) {
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G4cerr << "Material " << materialName << " not found." << G4endl;
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G4cerr << "The box material was not changed." << G4endl;
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return;
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}
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if ( fBoxVolume ) fBoxVolume->SetMaterial(newMaterial);
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G4cout << "Material of box changed to " << materialName << G4endl;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetWorldMaterial(const G4String& materialName)
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{
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auto nistManager = G4NistManager::Instance();
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auto newMaterial = nistManager->FindOrBuildMaterial(materialName);
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if ( ! newMaterial ) {
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G4cerr << "Material " << materialName << " not found." << G4endl;
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G4cerr << "The box material was not changed." << G4endl;
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return;
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}
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if ( fWorldVolume ) fWorldVolume->SetMaterial(newMaterial);
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G4cout << "Material of box changed to " << materialName << G4endl;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetBoxDimensions(G4ThreeVector dimensions)
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{
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/// Set box dimension (in half lengths).
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/// This setting has effect only if called in PreInit> phase
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fBoxDimensions = dimensions;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetWorldSizeFactor(G4double factor)
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{
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/// Set the multiplication factor from box dimensions to world dimensions.
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/// This setting has effect only if called in PreInit> phase
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fWorldSizeFactor = factor;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::DefineCommands()
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{
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// Define /B5/detector command directory using generic messenger class
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fMessenger = new G4GenericMessenger(this,
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"/detector/",
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"Detector control");
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// setBoxMaterial command
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auto& setBoxMaterialCmd
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= fMessenger->DeclareMethod("setBoxMaterial",
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&DetectorConstruction::SetBoxMaterial,
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"Set box material name.");
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setBoxMaterialCmd.SetParameterName("boxMaterialName", false);
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setBoxMaterialCmd.SetDefaultValue("G4_AIR");
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// setWorldMaterial command
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auto& setWorldMaterialCmd
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= fMessenger->DeclareMethod("setWorldMaterial",
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&DetectorConstruction::SetWorldMaterial,
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"Set world material name.");
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setWorldMaterialCmd.SetParameterName("worldMaterialName", false);
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setWorldMaterialCmd.SetDefaultValue("G4_AIR");
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// setBoxDimensions command
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auto& setBoxDimensionsCmd
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= fMessenger->DeclareMethodWithUnit("setBoxDimensions", "mm",
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&DetectorConstruction::SetBoxDimensions,
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"Set box dimensions (in half lentgh).");
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setBoxDimensionsCmd.SetParameterName("boxDimensions", false);
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setBoxDimensionsCmd.SetStates(G4State_PreInit);
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// setWorldSizeFactor command
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auto& setWorldSizeFactorCmd
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= fMessenger->DeclareMethod("setWorldSizeFactor",
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&DetectorConstruction::SetWorldSizeFactor,
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"Set the multiplication factor from box dimensions to world dimensions.");
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setWorldSizeFactorCmd.SetParameterName("worldSizeFactor", false);
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setWorldSizeFactorCmd.SetRange("WorldSizeFactor >= 1");
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setWorldSizeFactorCmd.SetStates(G4State_PreInit);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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