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MyDetectorConstruction.cc
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file MyDetectorConstruction.cc
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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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// ====================================================================
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// MyDetectorConstruction.cc
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//
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// 2005 Q
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// ====================================================================
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#include "
MyDetectorConstruction.hh
"
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#include "
G4Material.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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MyDetectorConstruction::MyDetectorConstruction
()
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: scoreVoxel(0)
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{
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}
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MyDetectorConstruction::~MyDetectorConstruction
()
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{
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}
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G4VPhysicalVolume
*
MyDetectorConstruction::Construct
()
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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"
, 25.*
cm
, 25.*
cm
, 1.1*
m
);
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G4Material
* vacuum=
G4Material::GetMaterial
(
"Vacuum"
);
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G4LogicalVolume
* areaLV=
new
G4LogicalVolume
(areaSolid, vacuum,
"area"
);
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G4PVPlacement
* area=
new
G4PVPlacement
(0,
G4ThreeVector
(),
"area"
,
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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-> SetVisibility(
false
);
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areaLV-> SetVisAttributes(va);
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// ==============================================================
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// phantom
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// ==============================================================
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// water phantom
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const
double
dxyphantom= 40.*
cm
;
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const
double
dzphantom= 50.*
cm
;
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G4Box
* sphantom=
new
G4Box
(
"phantom"
,
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dxyphantom/2., dxyphantom/2., dzphantom/2.);
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G4Material
* water=
G4Material::GetMaterial
(
"Water"
);
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G4LogicalVolume
* lphantom=
new
G4LogicalVolume
(sphantom,
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water,
"phantom"
);
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G4PVPlacement
* phantom=
new
G4PVPlacement
(0,
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G4ThreeVector
(0.,0., dzphantom/2.),
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lphantom,
"phantom"
,
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areaLV,
false
, 0);
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va=
new
G4VisAttributes
(
G4Color
(0.,0.1,0.8));
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lphantom-> SetVisAttributes(va);
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// score voxels
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const
G4double
dvoxel= 2.*
mm
;
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const
G4double
dvoxel_y= 20.*
mm
;
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G4Box
* svoxel=
new
G4Box
(
"voxel"
, dvoxel/2., dvoxel_y/2., dvoxel/2.);
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scoreVoxel
=
new
G4LogicalVolume
(svoxel, water,
"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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scoreVoxel
-> SetVisAttributes(va);
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G4int
ix, iz;
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G4int
index=0;
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for
(iz=0; iz<200; iz++) {
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for
(ix=-40; ix<=40; ix++) {
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G4double
x0= ix*dvoxel;
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G4double
z0
= -dzphantom/2.+(iz+0.5)*dvoxel;
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G4PVPlacement
* pvoxel=
new
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G4PVPlacement
(0,
G4ThreeVector
(x0, 0., z0),
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scoreVoxel
,
"voxel"
, lphantom,
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false
, index);
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index++;
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}
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}
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return
area;
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}
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void
MyDetectorConstruction::SetSDtoScoreVoxel
(
G4VSensitiveDetector
* asd)
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{
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if
(
scoreVoxel
) {
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scoreVoxel
->
SetSensitiveDetector
(asd);
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}
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}
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geant4
tree
geant4-10.6-release
environments
g4py
examples
demos
water_phantom
module
MyDetectorConstruction.cc
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:24:52
using
1.8.2 with
ECCE GitHub integration