LArSoft  v06_85_00
Liquid Argon Software toolkit - http://larsoft.org/
G4EzWorld.cc
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26 // $Id: G4EzWorld.cc 66892 2013-01-17 10:57:59Z gunter $
27 // ====================================================================
28 // G4EzWorld.cc
29 //
30 // 2005 Q
31 // ====================================================================
32 #include "G4EzWorld.hh"
33 #include "G4Element.hh"
34 #include "G4Material.hh"
35 #include "G4Box.hh"
36 #include "G4LogicalVolume.hh"
37 #include "G4PVPlacement.hh"
38 #include "G4VisAttributes.hh"
39 #include "G4RunManager.hh"
40 #include "G4PhysicalConstants.hh"
41 
42 G4VPhysicalVolume* G4EzWorld::world= G4EzWorld::CreateWorld();
43 
44 // ====================================================================
45 //
46 // class description
47 //
48 // ====================================================================
49 
53 {
54 }
55 
59 {
60  world= 0;
61 }
62 
63 
65 G4VPhysicalVolume* G4EzWorld::CreateWorld
66  (G4double dx, G4double dy, G4double dz)
68 {
69  // default matetial is "vacuum"
70  G4Material* vacuum= G4Material::GetMaterial("_Vacuum", false);
71 
72  if(vacuum==0) {
73  G4Element* elN= new G4Element("_N", "", 7., 14.00674*g/mole);
74  G4Element* elO= new G4Element("_O", "", 8., 15.9994*g/mole);
75 
76  vacuum= new G4Material("_Vacuum", universe_mean_density, 2);
77  vacuum-> AddElement(elN, 0.7);
78  vacuum-> AddElement(elO, 0.3);
79  }
80 
81  G4Box* sdworld= new G4Box("world", dx/2., dy/2., dz/2.);
82  G4LogicalVolume* lvworld= new G4LogicalVolume(sdworld, vacuum, "word");
83  G4PVPlacement* aworld= new G4PVPlacement(0, G4ThreeVector(), "world",
84  lvworld, 0, false, 0);
85 
86  // vis. attributes
87  G4VisAttributes* vaworld= new G4VisAttributes(G4Color(1.,1.,1.));
88  vaworld-> SetForceWireframe(true);
89  lvworld-> SetVisAttributes(vaworld);
90 
91  return aworld;
92 
93 }
94 
95 
97 void G4EzWorld::Reset(G4double dx, G4double dy, G4double dz)
99 {
100  delete world;
101  world= CreateWorld(dx, dy, dz);
102 
103  G4RunManager* runManager= G4RunManager::GetRunManager();
104  runManager-> DefineWorldVolume(world);
105 }
106 
107 
109 void G4EzWorld::Resize(G4double dx, G4double dy, G4double dz)
111 {
112  G4Box* box= dynamic_cast<G4Box*>(world-> GetLogicalVolume()-> GetSolid());
113  box-> SetXHalfLength(dx/2.);
114  box-> SetYHalfLength(dy/2.);
115  box-> SetZHalfLength(dz/2.);
116 
117  G4RunManager* runManager= G4RunManager::GetRunManager();
118  runManager-> GeometryHasBeenModified();
119 }
120 
121 
123 void G4EzWorld::SetMaterial(G4Material* amaterial)
125 {
126  world-> GetLogicalVolume()-> SetMaterial(amaterial);
127 }
128 
129 
131 void G4EzWorld::SetVisibility(G4bool qvis)
133 {
134  G4VisAttributes* vaworld= const_cast<G4VisAttributes*>(
135  world-> GetLogicalVolume()-> GetVisAttributes());
136  vaworld-> SetVisibility(qvis);
137 }
138 
static G4VPhysicalVolume * CreateWorld(G4double dx=1.*m, G4double dy=1.*m, G4double dz=1.*m)
Definition: G4EzWorld.cc:66
static void Resize(G4double dx, G4double dy, G4double dz)
Definition: G4EzWorld.cc:109
~G4EzWorld()
Definition: G4EzWorld.cc:57
static void Reset(G4double dx, G4double dy, G4double dz)
Definition: G4EzWorld.cc:97
static G4VPhysicalVolume * world
Definition: G4EzWorld.hh:53
static void SetVisibility(G4bool qvis)
Definition: G4EzWorld.cc:131
static void SetMaterial(G4Material *amaterial)
Definition: G4EzWorld.cc:123