Gabriele Cosmo
145 lines
5.2 KiB
C++
145 lines
5.2 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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// ====================================================================
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// QDetectorConstruction.cc
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//
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// 2005 Q
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// ====================================================================
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#include "QDetectorConstruction.hh"
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#include "G4Material.hh"
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#include "G4Tubs.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 "G4VisAttributes.hh"
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#include "G4SystemOfUnits.hh"
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// ====================================================================
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//
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// class description
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//
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// ====================================================================
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// constants (detector parameters)
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static const G4double DXYZ_AREA= 30.*cm;
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//////////////////////////////////////////////
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QDetectorConstruction::QDetectorConstruction()
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//////////////////////////////////////////////
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{
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}
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///////////////////////////////////////////////
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QDetectorConstruction::~QDetectorConstruction()
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///////////////////////////////////////////////
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{
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}
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/////////////////////////////////////////////////////
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G4VPhysicalVolume* QDetectorConstruction::Construct()
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/////////////////////////////////////////////////////
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{
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G4Material* mate;
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G4VisAttributes* va;
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// ==============================================================
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// world volume
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// ==============================================================
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G4Box* areaSolid= new G4Box("AREA",
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DXYZ_AREA/2., DXYZ_AREA/2., DXYZ_AREA/2.);
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G4Material* vacuum= G4Material::GetMaterial("Vacuum");
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G4LogicalVolume* areaLV= new G4LogicalVolume(areaSolid, vacuum, "AREA_LV");
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G4PVPlacement* area= new G4PVPlacement(0, G4ThreeVector(), "AREA_PV",
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areaLV, 0, false, 0);
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// vis. attributes
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va= new G4VisAttributes(G4Color(1.,1.,1.));
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va-> SetForceWireframe(true);
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areaLV-> SetVisAttributes(va);
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// ==============================================================
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// detectors
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// ==============================================================
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// voxel
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const G4double dvoxel= 10.*mm;
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const G4double dl= 10.*cm;
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G4Box* svoxel= new G4Box("voxel", dvoxel, dl, dvoxel);
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mate= G4Material::GetMaterial("Vacuum");
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G4LogicalVolume* lvoxel= new G4LogicalVolume(svoxel, mate, "voxel");
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va= new G4VisAttributes(G4Color(0.,0.8,0.8));
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va-> SetVisibility(false);
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lvoxel-> SetVisAttributes(va);
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G4int ix, iz;
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G4int index=0;
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for (iz=0; iz<5; iz++) {
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for (ix=-7; ix<=7; ix++) {
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G4double x0= (2.*ix)*cm;
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G4double z0= (-13.+2.*iz)*cm;
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/*G4PVPlacement* pvoxel=*/ new G4PVPlacement(0, G4ThreeVector(x0, 0., z0),
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lvoxel, "voxel", areaLV, false, index);
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index++;
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}
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}
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// tube
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//G4Tubs* stube= new G4Tubs("tube", 15./2.*mm, 19./2.*mm, dl,
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G4Tubs* stube= new G4Tubs("tube", 0.*mm, 19./2.*mm, dl,
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0., 360.*deg);
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mate= G4Material::GetMaterial("Al");
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G4LogicalVolume* ltube= new G4LogicalVolume(stube, mate, "tube");
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va= new G4VisAttributes(G4Color(0.,0.8,0.8));
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ltube-> SetVisAttributes(va);
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G4RotationMatrix* rmtube= new G4RotationMatrix;
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rmtube-> rotateX(-90.*deg);
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/*G4PVPlacement* ptube=*/ new G4PVPlacement(rmtube, G4ThreeVector(),
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ltube, "tube", lvoxel, false, 0);
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// cal
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const G4double dxycal= 25.*mm;
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const G4double dzcal= 3.*cm;
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G4Box* scal= new G4Box("cal", dxycal, dxycal, dzcal);
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mate= G4Material::GetMaterial("CsI");
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G4LogicalVolume* lcal= new G4LogicalVolume(scal, mate, "cal");
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va= new G4VisAttributes(G4Color(0.5,0.5,0.));
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lcal-> SetVisAttributes(va);
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index= 0;
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for (ix=-2; ix<=2; ix++) {
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G4double x0= (5.*ix)*cm;
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/*G4PVPlacement* pcal=*/ new G4PVPlacement(0, G4ThreeVector(x0, 0., 2.*cm),
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lcal, "cal", areaLV, false, index);
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index++;
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}
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return area;
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}
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