Gabriele Cosmo
101 lines
4.6 KiB
C++
101 lines
4.6 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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/// \file persistency/P03/src/ExTGDetectorConstructionWithCpp.cc
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/// \brief Implementation of the ExTGDetectorConstructionWithCpp class
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#include "G4tgbVolumeMgr.hh"
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#include "ExTGDetectorConstructionWithCpp.hh"
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#include "G4tgrMessenger.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 "G4NistManager.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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ExTGDetectorConstructionWithCpp::ExTGDetectorConstructionWithCpp()
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{
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fMessenger = new G4tgrMessenger;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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ExTGDetectorConstructionWithCpp::~ExTGDetectorConstructionWithCpp()
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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* ExTGDetectorConstructionWithCpp::Construct()
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{
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//------------------------------------------------
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// Define one or several text files containing the geometry description
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//------------------------------------------------
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G4String filename = "g4geom_simple.txt";
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G4tgbVolumeMgr* volmgr = G4tgbVolumeMgr::GetInstance();
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volmgr->AddTextFile(filename);
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//------------------------------------------------
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// Read the text files and construct the GEANT4 geometry
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//------------------------------------------------
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G4VPhysicalVolume* physiWorld = volmgr->ReadAndConstructDetector();
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//------------------------------------------------
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// Build another volume and place it in the text geometry
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//------------------------------------------------
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G4Box* solid = new G4Box("mybox",2.,2.,3.);
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G4Material* water = G4NistManager::Instance()->FindOrBuildMaterial("G4_Fe");
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G4LogicalVolume* logicVol = new G4LogicalVolume(solid,water,"mybox",0,0,0);
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//----- Place the volume in the world of the text geometry
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G4LogicalVolume* textWorldVol = physiWorld->GetLogicalVolume();
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// NOTE: if you want to place your full text geometry in the C++ geometry,
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// you should use this G4LogicalVolume and place it in a C++ logical
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// volume
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new G4PVPlacement(0, // no rotation
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G4ThreeVector(0.,-20.,0), // at (x,y,z)
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logicVol, // its logical volume
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"myBox1", // its name
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textWorldVol, // its mother volume
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false, // no boolean operations
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0); // copy number
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//----- Place the volume inside a volume of the text geometry
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G4LogicalVolume* textSphereVol =
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G4tgbVolumeMgr::GetInstance()->FindG4LogVol("sphere",1);
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new G4PVPlacement(0, // no rotation
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G4ThreeVector(0.,0.,0), // at (x,y,z)
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logicVol, // its logical volume
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"myBox2", // its name
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textSphereVol, // its mother volume
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false, // no boolean operations
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1); // copy number
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return physiWorld;
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}
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