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9.6.p02
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geant4_9_6_p02
examples
extended
persistency
P03
src
ExTGDetectorConstructionWithCpp.cc
Go to the documentation of this file.
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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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#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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