Gabriele Cosmo
190 lines
7.9 KiB
C++
190 lines
7.9 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. *
|
|
// ********************************************************************
|
|
//
|
|
/// \file ExGflash3DetectorConstruction.cc
|
|
/// \brief Implementation of the ExGflash3DetectorConstruction class
|
|
|
|
// Created by Joanna Weng 26.11.2004
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
// User Classes
|
|
#include "ExGflash3DetectorConstruction.hh"
|
|
|
|
// G4 Classes
|
|
#include "G4AutoDelete.hh"
|
|
#include "G4Box.hh"
|
|
#include "G4Colour.hh"
|
|
#include "G4LogicalVolume.hh"
|
|
#include "G4Material.hh"
|
|
#include "G4NistManager.hh"
|
|
#include "G4PVPlacement.hh"
|
|
#include "G4SDManager.hh"
|
|
#include "G4SystemOfUnits.hh"
|
|
#include "G4ThreeVector.hh"
|
|
#include "G4VPhysicalVolume.hh"
|
|
#include "G4VisAttributes.hh"
|
|
#include "globals.hh"
|
|
|
|
// fast simulation
|
|
#include "GFlashHitMaker.hh"
|
|
#include "GFlashHomoShowerParameterisation.hh"
|
|
#include "GFlashParticleBounds.hh"
|
|
#include "GFlashShowerModel.hh"
|
|
|
|
#include "G4FastSimulationManager.hh"
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
ExGflash3DetectorConstruction::ExGflash3DetectorConstruction()
|
|
{
|
|
G4cout << "ExGflash3DetectorConstruction::Detector constructor" << G4endl;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
ExGflash3DetectorConstruction::~ExGflash3DetectorConstruction()
|
|
{
|
|
delete fFastShowerModel;
|
|
delete fParameterisation;
|
|
delete fParticleBounds;
|
|
delete fHitMaker;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4VPhysicalVolume* ExGflash3DetectorConstruction::Construct()
|
|
{
|
|
//--------- Definitions of Solids, Logical Volumes, Physical Volumes ---------
|
|
G4cout << "Defining the materials" << G4endl;
|
|
// Get nist material manager
|
|
G4NistManager* nistManager = G4NistManager::Instance();
|
|
// Build materials
|
|
G4Material* air = nistManager->FindOrBuildMaterial("G4_AIR");
|
|
G4Material* pbWO4 = nistManager->FindOrBuildMaterial("G4_PbWO4");
|
|
|
|
/*******************************
|
|
* The Experimental Hall *
|
|
*******************************/
|
|
G4double experimentalHall_x = 1000. * cm;
|
|
G4double experimentalHall_y = 1000. * cm;
|
|
G4double experimentalHall_z = 1000. * cm;
|
|
|
|
G4VSolid* experimentalHall_box = new G4Box("expHall_box", // World Volume
|
|
experimentalHall_x, // x size
|
|
experimentalHall_y, // y size
|
|
experimentalHall_z); // z size
|
|
|
|
auto experimentalHallLog = new G4LogicalVolume(experimentalHall_box, air, "expHallLog",
|
|
nullptr, // opt: fieldManager
|
|
nullptr, // opt: SensitiveDetector
|
|
nullptr); // opt: UserLimits
|
|
G4VPhysicalVolume* experimentalHall_phys =
|
|
new G4PVPlacement(nullptr,
|
|
G4ThreeVector(), // at (0,0,0)
|
|
"expHall", experimentalHallLog, nullptr, false, 0);
|
|
|
|
//------------------------------
|
|
// Calorimeter segments
|
|
//------------------------------
|
|
// Simplified `CMS-like` PbWO4 crystal calorimeter
|
|
|
|
G4int nbOfCrystals = 10; // this are the crystals PER ROW in this example
|
|
// cube of 10 x 10 crystals
|
|
// don't change it @the moment, since
|
|
// the readout in event action assumes this
|
|
// dimensions and is not automatically adapted
|
|
// in this version of the example :-(
|
|
// Simplified `CMS-like` PbWO4 crystal calorimeter
|
|
G4double calo_xside = 31 * cm;
|
|
G4double calo_yside = 31 * cm;
|
|
G4double calo_zside = 24 * cm;
|
|
|
|
G4double crystalWidth = 3 * cm;
|
|
G4double crystalLength = 24 * cm;
|
|
|
|
calo_xside = (crystalWidth * nbOfCrystals) + 1 * cm;
|
|
calo_yside = (crystalWidth * nbOfCrystals) + 1 * cm;
|
|
calo_zside = crystalLength;
|
|
|
|
auto calo_box = new G4Box("CMS calorimeter", // its name
|
|
calo_xside / 2., // size
|
|
calo_yside / 2., calo_zside / 2.);
|
|
auto caloLog = new G4LogicalVolume(calo_box, // its solid
|
|
pbWO4, // its material
|
|
"calo log", // its name
|
|
nullptr, // opt: fieldManager
|
|
nullptr, // opt: SensitiveDetector
|
|
nullptr); // opt: UserLimit
|
|
|
|
G4double xpos = 0.0;
|
|
G4double ypos = 0.0;
|
|
G4double zpos = 100.0 * cm;
|
|
new G4PVPlacement(nullptr, G4ThreeVector(xpos, ypos, zpos), caloLog, "calorimeter",
|
|
experimentalHallLog, false, 1);
|
|
|
|
// Individual crystals are created as part of the readout geometry in the parallel world
|
|
|
|
experimentalHallLog->SetVisAttributes(G4VisAttributes::GetInvisible());
|
|
auto caloVisAtt = new G4VisAttributes(G4Colour(1.0, 1.0, 1.0));
|
|
caloLog->SetVisAttributes(caloVisAtt);
|
|
|
|
// define the fParameterisation region
|
|
fRegion = new G4Region("crystals");
|
|
caloLog->SetRegion(fRegion);
|
|
fRegion->AddRootLogicalVolume(caloLog);
|
|
|
|
return experimentalHall_phys;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void ExGflash3DetectorConstruction::ConstructSDandField()
|
|
{
|
|
// SD moved to parallel world
|
|
|
|
// -- fast simulation models:
|
|
// **********************************************
|
|
// * Initializing shower modell
|
|
// ***********************************************
|
|
G4cout << "Creating shower parameterization models" << G4endl;
|
|
fFastShowerModel = new GFlashShowerModel("fFastShowerModel", fRegion);
|
|
fParameterisation = new GFlashHomoShowerParameterisation(fRegion->GetMaterialIterator()[0]);
|
|
fFastShowerModel->SetParameterisation(*fParameterisation);
|
|
// Energy Cuts to kill particles:
|
|
fParticleBounds = new GFlashParticleBounds();
|
|
fFastShowerModel->SetParticleBounds(*fParticleBounds);
|
|
// Makes the EnergieSpots
|
|
fHitMaker = new GFlashHitMaker();
|
|
// Important: use SD defined in different geometry
|
|
fHitMaker->SetNameOfWorldWithSD("parallelWorld");
|
|
fFastShowerModel->SetHitMaker(*fHitMaker);
|
|
G4cout << "end shower parameterization." << G4endl;
|
|
// **********************************************
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|