source: trunk/examples/extended/eventgenerator/HepMC/HepMCEx02/src/H02DetectorConstruction.cc @ 1170

Last change on this file since 1170 was 807, checked in by garnier, 16 years ago

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26// ====================================================================
27//    H02DetectorConstruction.cc
28//    $Id: H02DetectorConstruction.cc,v 1.5 2006/06/29 17:10:18 gunter Exp $
29//
30// ====================================================================
31#include "H02DetectorConstruction.hh"
32
33#include "G4Element.hh"
34#include "G4Material.hh"
35
36#include "G4LogicalVolume.hh"
37#include "G4PVPlacement.hh"
38#include "G4VisAttributes.hh"
39#include "G4Tubs.hh"
40#include "G4Box.hh"
41
42#include "G4SDManager.hh"
43#include "H02MuonSD.hh"
44
45// for magnetic field
46#include "G4FieldManager.hh"
47#include "G4TransportationManager.hh"
48#include "G4ChordFinder.hh"
49#include "H02Field.hh"
50
51// ====================================================================
52//
53// constants (detector parameters)
54//
55// ====================================================================
56// [experimental hall]
57static const G4double R_EXPHALL= 5.*m;
58static const G4double DZ_EXPHALL= 10.*m;
59
60// [calorimeter]
61static const G4double RIN_BARREL_CAL= 2.*m;
62static const G4double ROUT_BARREL_CAL= 3.*m;
63static const G4double DZ_BARREL_CAL= 5.*m;
64
65static const G4double RIN_ENDCAP_CAL= 1.*m;
66static const G4double ROUT_ENDCAP_CAL= 3.*m;
67static const G4double DZ_ENDCAP_CAL= 0.5*m;
68
69// [muon system]
70static const G4double RIN_BARREL_MUON= 4.3*m;
71static const G4double ROUT_BARREL_MUON= 4.5*m;
72static const G4double DX_BARREL_MUON= RIN_BARREL_MUON*std::cos(67.5*deg)-5.*cm;
73static const G4double DY_BARREL_MUON= 10.*cm;
74static const G4double DZ_BARREL_MUON= 7.*m;
75
76static const G4double RIN_ENDCAP_MUON=  1.*m;
77static const G4double ROUT_ENDCAP_MUON= 4.5*m;
78static const G4double DZ_ENDCAP_MUON= 10.*cm;
79
80// ====================================================================
81//
82// class description
83//
84// ====================================================================
85 
86////////////////////////////////////////////////
87H02DetectorConstruction::H02DetectorConstruction()
88////////////////////////////////////////////////
89{
90}
91
92/////////////////////////////////////////////////
93H02DetectorConstruction::~H02DetectorConstruction()
94/////////////////////////////////////////////////
95{
96}
97
98
99//////////////////////////////////////////////////////
100G4VPhysicalVolume* H02DetectorConstruction::Construct()
101//////////////////////////////////////////////////////
102{
103  // ==============================================================
104  // Materials
105  // ==============================================================
106
107  G4double a, iz, z, density;
108  G4String name, symbol;
109  G4int nel;
110
111  a= 1.01*g/mole;
112  G4Element* elH= new G4Element(name="Hydrogen", symbol="H", iz=1., a);
113
114  a= 12.01*g/mole;
115  G4Element* elC= new G4Element(name="Carbon", symbol="C", iz=6., a);
116
117  a= 14.01*g/mole;
118  G4Element* elN= new G4Element(name="Nitrogen", symbol="N", iz=7., a);
119
120  a = 16.00*g/mole;
121  G4Element* elO= new G4Element(name="Oxygen", symbol="O", iz=8., a);
122
123  density= 1.29e-03*g/cm3;
124  G4Material* Air= new G4Material(name="Air", density, nel=2);
125  Air-> AddElement(elN, .7);
126  Air-> AddElement(elO, .3);
127
128  a= 207.19*g/mole;
129  density= 11.35*g/cm3;
130  G4Material* Lead= new G4Material(name="Lead", z=82., a, density);
131
132  a= 39.95*g/mole;
133  density= 1.782e-03*g/cm3;
134  G4Material* Ar= new G4Material(name="ArgonGas", z=18., a, density);
135
136  density= 1.032*g/cm3;
137  G4Material* Scinti= new G4Material(name="Scintillator", density, nel=2);
138  Scinti-> AddElement(elC, 9);
139  Scinti-> AddElement(elH, 10);
140
141
142  // ==============================================================
143  // Experimental Hall (world)
144  // ==============================================================
145  G4Tubs* expHallSolid= 
146    new G4Tubs("EXP_HALL", 0., R_EXPHALL, DZ_EXPHALL, 0., 360.*deg);
147
148  G4LogicalVolume* expHallLV= 
149    new G4LogicalVolume(expHallSolid, Air, "EXP_HALL_LV");
150
151  // visualization attributes
152  G4VisAttributes* expHallVisAtt=
153    new G4VisAttributes(false, G4Colour(1., 1., 1.));
154  //expHallVisAtt-> SetForceWireframe(TRUE);
155  expHallLV-> SetVisAttributes(expHallVisAtt);
156
157  G4PVPlacement* expHall= new G4PVPlacement(0, G4ThreeVector(), "EXP_HALL_PV",
158                                            expHallLV, 0, FALSE, 0);
159  //            ...                                    MV, MANY, copy#
160
161  // ==============================================================
162  // each detector component
163  // ==============================================================
164  // calorimeter system
165  G4Tubs* barrelCalSolid= 
166    new G4Tubs("BARREL_CAL", RIN_BARREL_CAL, ROUT_BARREL_CAL, 
167               DZ_BARREL_CAL, 0., 360.*deg);
168
169  G4Tubs* endcapCalSolid= 
170    new G4Tubs("ENDCAP_CAL", RIN_ENDCAP_CAL, ROUT_ENDCAP_CAL, 
171               DZ_ENDCAP_CAL, 0., 360.*deg);
172
173  G4LogicalVolume* barrelCalLV= 
174    new G4LogicalVolume(barrelCalSolid, Lead, "BARREL_CAL_LV");
175
176  G4LogicalVolume* endcapCalLV= 
177    new G4LogicalVolume(endcapCalSolid, Lead, "ENDCAP_CAL_LV");
178
179  G4VisAttributes* calVisAtt=
180    new G4VisAttributes(true, G4Colour(0., 1., 1.));
181  barrelCalLV-> SetVisAttributes(calVisAtt);
182  endcapCalLV-> SetVisAttributes(calVisAtt);
183
184  // G4PVPlacement* barrelCal=
185    new G4PVPlacement(0, G4ThreeVector(), "BARREL_CAL_PV",
186                      barrelCalLV, expHall, FALSE, 0);
187
188  G4ThreeVector posCal(0.,0.,6.*m);
189  // G4PVPlacement* endcapCal1=
190    new G4PVPlacement(0, posCal, "ENDCAP_CAL_PV",
191                      endcapCalLV, expHall, FALSE, 0);
192
193  //G4PVPlacement* endcapCal2=
194    new G4PVPlacement(0, -posCal, "ENDCAP_CAL_PV",
195                      endcapCalLV, expHall, FALSE, 1);
196
197  // muon system
198  G4Box* barrelMuonSolid= new G4Box("BARREL_MUON", DX_BARREL_MUON, 
199                                     DY_BARREL_MUON,  DZ_BARREL_MUON);
200  G4Tubs* endcapMuonSolid= 
201    new G4Tubs("ENDCAP_MUON", RIN_ENDCAP_MUON, ROUT_ENDCAP_MUON, 
202               DZ_ENDCAP_MUON, 0., 360.*deg);
203
204  G4LogicalVolume* barrelMuonLV= 
205    new G4LogicalVolume(barrelMuonSolid, Ar, "BARREL_MUON_LV");
206
207  G4LogicalVolume* endcapMuonLV= 
208    new G4LogicalVolume(endcapMuonSolid, Ar, "ENDCAP_MUON_LV");
209
210  G4VisAttributes* muonVisAtt=
211    new G4VisAttributes(true, G4Colour(1., 1., 0.5));
212  //muonVisAtt-> SetForceWireframe(TRUE);
213  barrelMuonLV-> SetVisAttributes(muonVisAtt);
214  endcapMuonLV-> SetVisAttributes(muonVisAtt);
215
216  const G4double dangle= 45.*deg;
217  G4ThreeVector posM(RIN_BARREL_MUON+DY_BARREL_MUON/2., 0., 0.);
218  G4RotationMatrix* rotM= new G4RotationMatrix;
219  rotM->rotateZ(90.*deg);
220
221  for (G4int k=0; k<8; k++) {
222    G4Transform3D transformM(*rotM, posM);
223    new G4PVPlacement(transformM, "BARREL_MUON_PV",
224                      barrelMuonLV, expHall, FALSE, k);
225    rotM->rotateZ(dangle);
226    posM.rotateZ(dangle);
227  }
228
229  G4ThreeVector posMuon(0.,0.,8.*m);
230  // G4PVPlacement* endcapMuon1=
231    new G4PVPlacement(0, posMuon, "ENDCAP_MUON_PV",
232                      endcapMuonLV, expHall, FALSE, 0);
233
234  // G4PVPlacement* endcapMuon2=
235    new G4PVPlacement(0, -posMuon, "ENDCAP_MUON_PV",
236                      endcapMuonLV, expHall, FALSE, 1);
237
238
239  // sensitive Detectors
240  G4SDManager* SDman= G4SDManager::GetSDMpointer();
241
242  G4String muonSDname= "/mydet/muon";
243  H02MuonSD* muonSD= new H02MuonSD(muonSDname);
244  SDman-> AddNewDetector(muonSD);
245  barrelMuonLV-> SetSensitiveDetector(muonSD);
246  endcapMuonLV-> SetSensitiveDetector(muonSD);
247
248  // magnetic field
249  H02Field* myfield = new H02Field;
250  G4FieldManager* fieldMgr= 
251    G4TransportationManager::GetTransportationManager()-> GetFieldManager();
252  fieldMgr-> SetDetectorField(myfield);
253  fieldMgr-> CreateChordFinder(myfield);
254
255  return expHall;
256}
257
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