Gabriele Cosmo
327 lines
13 KiB
C++
327 lines
13 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 analysis/shared/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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// $Id$
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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 "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 "G4PVReplica.hh"
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#include "G4GeometryManager.hh"
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#include "G4PhysicalVolumeStore.hh"
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#include "G4LogicalVolumeStore.hh"
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#include "G4SolidStore.hh"
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#include "G4VisAttributes.hh"
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#include "G4Colour.hh"
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#include "G4SystemOfUnits.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::DetectorConstruction()
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:fAbsorberMaterial(0),fGapMaterial(0),fDefaultMaterial(0),
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fSolidWorld(0),fLogicWorld(0),fPhysiWorld(0),
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fSolidCalor(0),fLogicCalor(0),fPhysiCalor(0),
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fSolidLayer(0),fLogicLayer(0),fPhysiLayer(0),
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fSolidAbsorber(0),fLogicAbsorber(0),fPhysiAbsorber(0),
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fSolidGap (0),fLogicGap (0),fPhysiGap (0)
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{
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// default parameter values of the calorimeter
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fAbsorberThickness = 10.*mm;
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fGapThickness = 5.*mm;
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fNbOfLayers = 10;
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fCalorSizeYZ = 10.*cm;
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ComputeCalorParameters();
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// materials
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DefineMaterials();
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SetAbsorberMaterial("G4_Pb");
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SetGapMaterial("G4_lAr");
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// create commands for interactive definition of the calorimeter
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fDetectorMessenger = 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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{ delete fDetectorMessenger;}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* DetectorConstruction::Construct()
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{
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return ConstructCalorimeter();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::DefineMaterials()
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{
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// use G4-NIST materials data base
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//
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G4NistManager* man = G4NistManager::Instance();
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fDefaultMaterial = man->FindOrBuildMaterial("G4_Galactic");
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man->FindOrBuildMaterial("G4_Pb");
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man->FindOrBuildMaterial("G4_lAr");
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// print table
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//
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G4cout << *(G4Material::GetMaterialTable()) << G4endl;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* DetectorConstruction::ConstructCalorimeter()
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{
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// Clean old geometry, if any
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//
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G4GeometryManager::GetInstance()->OpenGeometry();
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G4PhysicalVolumeStore::GetInstance()->Clean();
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G4LogicalVolumeStore::GetInstance()->Clean();
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G4SolidStore::GetInstance()->Clean();
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// complete the Calor parameters definition
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ComputeCalorParameters();
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//
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// World
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//
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fSolidWorld = new G4Box("World", //its name
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fWorldSizeX/2,fWorldSizeYZ/2,fWorldSizeYZ/2); //its size
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fLogicWorld = new G4LogicalVolume(fSolidWorld, //its solid
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fDefaultMaterial, //its material
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"World"); //its name
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fPhysiWorld = new G4PVPlacement(0, //no rotation
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G4ThreeVector(), //at (0,0,0)
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fLogicWorld, //its logical volume
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"World", //its name
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0, //its mother volume
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false, //no boolean operation
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0); //copy number
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//
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// Calorimeter
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//
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fSolidCalor=0; fLogicCalor=0; fPhysiCalor=0;
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fSolidLayer=0; fLogicLayer=0; fPhysiLayer=0;
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if (fCalorThickness > 0.)
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{ fSolidCalor = new G4Box("Calorimeter", //its name
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fCalorThickness/2,fCalorSizeYZ/2,fCalorSizeYZ/2);//size
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fLogicCalor = new G4LogicalVolume(fSolidCalor, //its solid
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fDefaultMaterial, //its material
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"Calorimeter"); //its name
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fPhysiCalor = new G4PVPlacement(0, //no rotation
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G4ThreeVector(), //at (0,0,0)
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fLogicCalor, //its logical volume
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"Calorimeter", //its name
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fLogicWorld, //its mother volume
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false, //no boolean operation
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0); //copy number
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//
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// Layer
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//
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fSolidLayer = new G4Box("Layer", //its name
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fLayerThickness/2,fCalorSizeYZ/2,fCalorSizeYZ/2); //size
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fLogicLayer = new G4LogicalVolume(fSolidLayer, //its solid
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fDefaultMaterial, //its material
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"Layer"); //its name
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if (fNbOfLayers > 1)
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fPhysiLayer = new G4PVReplica("Layer", //its name
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fLogicLayer, //its logical volume
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fLogicCalor, //its mother
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kXAxis, //axis of replication
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fNbOfLayers, //number of replica
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fLayerThickness); //witdth of replica
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else
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fPhysiLayer = new G4PVPlacement(0, //no rotation
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G4ThreeVector(), //at (0,0,0)
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fLogicLayer, //its logical volume
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"Layer", //its name
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fLogicCalor, //its mother volume
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false, //no boolean operation
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0); //copy number
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}
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//
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// Absorber
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//
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fSolidAbsorber=0; fLogicAbsorber=0; fPhysiAbsorber=0;
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if (fAbsorberThickness > 0.)
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{ fSolidAbsorber = new G4Box("Absorber", //its name
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fAbsorberThickness/2,fCalorSizeYZ/2,fCalorSizeYZ/2);
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fLogicAbsorber = new G4LogicalVolume(fSolidAbsorber, //its solid
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fAbsorberMaterial, //its material
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fAbsorberMaterial->GetName()); //name
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fPhysiAbsorber = new G4PVPlacement(0, //no rotation
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G4ThreeVector(-fGapThickness/2,0.,0.), //its position
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fLogicAbsorber, //its logical volume
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fAbsorberMaterial->GetName(), //its name
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fLogicLayer, //its mother
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false, //no boulean operat
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0); //copy number
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}
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//
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// Gap
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//
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fSolidGap=0; fLogicGap=0; fPhysiGap=0;
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if (fGapThickness > 0.)
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{ fSolidGap = new G4Box("Gap",
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fGapThickness/2,fCalorSizeYZ/2,fCalorSizeYZ/2);
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fLogicGap = new G4LogicalVolume(fSolidGap,
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fGapMaterial,
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fGapMaterial->GetName());
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fPhysiGap = new G4PVPlacement(0, //no rotation
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G4ThreeVector(fAbsorberThickness/2,0.,0.), //its position
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fLogicGap, //its logical volume
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fGapMaterial->GetName(), //its name
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fLogicLayer, //its mother
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false, //no boulean operat
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0); //copy number
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}
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PrintCalorParameters();
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//
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// Visualization attributes
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//
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fLogicWorld->SetVisAttributes (G4VisAttributes::Invisible);
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G4VisAttributes* simpleBoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
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simpleBoxVisAtt->SetVisibility(true);
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fLogicCalor->SetVisAttributes(simpleBoxVisAtt);
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//
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//always return the physical World
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//
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return fPhysiWorld;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::PrintCalorParameters()
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{
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G4cout << "\n------------------------------------------------------------"
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<< "\n---> The calorimeter is " << fNbOfLayers << " layers of: [ "
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<< fAbsorberThickness/mm << "mm of " << fAbsorberMaterial->GetName()
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<< " + "
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<< fGapThickness/mm << "mm of " << fGapMaterial->GetName() << " ] "
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<< "\n------------------------------------------------------------\n";
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetAbsorberMaterial(G4String materialChoice)
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{
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// search the material by its name
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G4Material* pttoMaterial =
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G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
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if (pttoMaterial) fAbsorberMaterial = pttoMaterial;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetGapMaterial(G4String materialChoice)
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{
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// search the material by its name
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G4Material* pttoMaterial =
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G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
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if (pttoMaterial) fGapMaterial = pttoMaterial;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetAbsorberThickness(G4double val)
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{
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// change Absorber thickness and recompute the calorimeter parameters
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fAbsorberThickness = val;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetGapThickness(G4double val)
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{
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// change Gap thickness and recompute the calorimeter parameters
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fGapThickness = val;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetCalorSizeYZ(G4double val)
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{
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// change the transverse size and recompute the calorimeter parameters
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fCalorSizeYZ = val;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::SetNbOfLayers(G4int val)
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{
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fNbOfLayers = val;
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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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G4RunManager::GetRunManager()->DefineWorldVolume(ConstructCalorimeter());
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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