Newer
Older
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
/// \file OpNovice/src/OpNoviceDetectorConstruction.cc
/// \brief Implementation of the OpNoviceDetectorConstruction class
//
//
#include "OpNoviceDetectorConstruction.hh"
#include "G4Element.hh"
#include "G4LogicalBorderSurface.hh"
#include "G4LogicalSkinSurface.hh"
#include "G4OpticalSurface.hh"
#include "G4ThreeVector.hh"
#include "G4PVPlacement.hh"
#include "G4SystemOfUnits.hh"
#include "G4Tubs.hh"
#include "G4Trd.hh"
#include "G4SubtractionSolid.hh"
#include "G4NistManager.hh"
#include "G4VisAttributes.hh"
#include "G4Colour.hh"
#include <math.h>
/*
*
*/
OpNoviceDetectorConstruction::OpNoviceDetectorConstruction()
: G4VUserDetectorConstruction(){
materials = Materials::getInstance();
}
/*
*
*/
OpNoviceDetectorConstruction::~OpNoviceDetectorConstruction(){
}
/* Make the detector
* Ideally this will become the quartz rod, winston cone and PMT
*/
G4VPhysicalVolume* OpNoviceDetectorConstruction::Construct(){
//Set up the materials
materials->UseOpticalMaterials(true);
materials->DefineOpticalProperties();
G4Material* Air = materials->Air;
G4Material* Al = materials->Al;
G4Material* Silica = materials->pQuartz;
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
bool checkOverlaps = false;
//----------------- Define the world volume -----------------//
m_solidWorld =
new G4Box("World", //name
0.25*m, //sizeX
0.25*m, //sizeY
0.5*m); //sizeZ
m_logicWorld =
new G4LogicalVolume(m_solidWorld, //solid
Air, //material
"World"); //name
m_physWorld =
new G4PVPlacement(0, //no rotation
G4ThreeVector(), //at (0,0,0)
m_logicWorld, //logical volume
"World", //name
0, //mother volume
false, //no boolean operation
0, //copy number
checkOverlaps); //overlaps checking
G4VisAttributes* boxVisAtt_world= new G4VisAttributes(G4Colour(0.5,0.5,0.5));
m_logicWorld ->SetVisAttributes(boxVisAtt_world);
//----------------- Make the light guide -----------------//
bool useSTL = false;
if(useSTL){
//STL support to be added later
}else{
//Create a trapezoidal air light guide made of aluminum sheet
G4double thickness = 1.0*mm;
G4double LengthX = 89.75*mm/2;
G4double LengthY = 164.*mm/2;
G4double PMTwindow = 45.969*mm/2;
G4double HeightZ = lgHeight;
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
//Aluminum outter
G4Trd* outter =
new G4Trd("BasicLightGuide",
LengthX+thickness,
PMTwindow+thickness,
LengthY+thickness,
PMTwindow+thickness,
HeightZ+thickness);
//Air inner
G4Trd* inner =
new G4Trd("AirVolume",
LengthX,
PMTwindow,
LengthY,
PMTwindow,
HeightZ+2.0*mm);
//Subtract material to hollow out the light guide
G4SubtractionSolid* LightGuide =
new G4SubtractionSolid("BasicLightGuide",
outter,
inner);
G4LogicalVolume* logicLightGuide =
new G4LogicalVolume(LightGuide,
Al,
"BasicLightGuide");
G4VPhysicalVolume* physLightGuide =
new G4PVPlacement(0,
G4ThreeVector(0, 0, HeightZ),
logicLightGuide,
"BasicLightGuide",
m_logicWorld,
false,
0);
G4LogicalSkinSurface* alumLSS = new G4LogicalSkinSurface("quartzSkinSurface", logicLightGuide, materials->AlSurface );
}
//----------------- Define PMT -----------------// This will need a sensitive detector
double PMTradius = 65.0/2*mm;
G4SDManager* SDman = G4SDManager::GetSDMpointer();
AirSD* PMT = new AirSD("MyPMT");
SDman->AddNewDetector( PMT );
G4Tubs* solidPMT =
new G4Tubs("PMT", //name
0.0*mm, //Inner radius
PMTradius, //Outter radius
0.5*mm, //Height
0.0*deg, //Rotation start
360.0*deg); //Sweep
G4LogicalVolume* logicPMT =
new G4LogicalVolume(solidPMT, //solid
Air, //material
"PMT"); //name
G4VPhysicalVolume* physPMT =
new G4PVPlacement(0,
logicPMT,
"PMT",
m_logicWorld,
false,
0);
logicPMT->SetSensitiveDetector( PMT );