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25 // 25 //
26 // 26 //
27 // ------------------------------------------- 27 // --------------------------------------------------------------
28 // GEANT 4 - Brachytherapy exa 28 // GEANT 4 - Brachytherapy example
29 // ------------------------------------------- 29 // --------------------------------------------------------------
30 // 30 //
31 // Code developed by: 31 // Code developed by:
32 // S.Guatelli 32 // S.Guatelli
33 // 33 //
34 // **************************************** 34 // *******************************************
35 // * 35 // * *
36 // * BrachyDetectorConstructionLeipzig.c 36 // * BrachyDetectorConstructionLeipzig.cc *
37 // * 37 // * *
38 // **************************************** 38 // *******************************************
39 // 39 //
40 #include "BrachyDetectorConstructionLeipzig.hh << 40 //
>> 41 // $Id$
>> 42 //
>> 43
41 #include "globals.hh" 44 #include "globals.hh"
42 #include "G4SystemOfUnits.hh" 45 #include "G4SystemOfUnits.hh"
>> 46 #include "BrachyDetectorConstructionLeipzig.hh"
43 #include "G4CSGSolid.hh" 47 #include "G4CSGSolid.hh"
44 #include "G4Sphere.hh" 48 #include "G4Sphere.hh"
45 #include "G4RunManager.hh" 49 #include "G4RunManager.hh"
46 #include "G4Box.hh" 50 #include "G4Box.hh"
47 #include "G4Tubs.hh" 51 #include "G4Tubs.hh"
48 #include "G4LogicalVolume.hh" 52 #include "G4LogicalVolume.hh"
49 #include "G4ThreeVector.hh" 53 #include "G4ThreeVector.hh"
50 #include "G4PVPlacement.hh" 54 #include "G4PVPlacement.hh"
51 #include "G4Transform3D.hh" 55 #include "G4Transform3D.hh"
52 #include "G4RotationMatrix.hh" 56 #include "G4RotationMatrix.hh"
53 #include "G4TransportationManager.hh" 57 #include "G4TransportationManager.hh"
>> 58 #include "BrachyMaterial.hh"
54 #include "G4VisAttributes.hh" 59 #include "G4VisAttributes.hh"
55 #include "G4Colour.hh" 60 #include "G4Colour.hh"
56 #include "G4NistManager.hh" <<
57 61
58 BrachyDetectorConstructionLeipzig::BrachyDetec << 62 // Leipzig Applicator ...
59 fCapsule(nullptr), fCapsuleTip(nullptr), fIrid << 63
60 fCapsuleLog(nullptr), fCapsuleTipLog(nullptr), << 64 BrachyDetectorConstructionLeipzig::BrachyDetectorConstructionLeipzig()
61 fApplicator2Log(nullptr), fCapsulePhys(nullptr << 65 :
62 fApplicator1Phys(nullptr), fApplicator2Phys(nu << 66 capsulePhys(0),
63 {} << 67 capsuleTipPhys(0),
>> 68 iridiumCorePhys(0),
>> 69 applicator1Phys(0),
>> 70 applicator2Phys(0)
>> 71 {
>> 72 pMaterial = new BrachyMaterial();
>> 73 }
>> 74
>> 75 BrachyDetectorConstructionLeipzig::~BrachyDetectorConstructionLeipzig()
>> 76 {
>> 77 delete pMaterial;
>> 78 }
64 79
65 void BrachyDetectorConstructionLeipzig::Const << 80 void BrachyDetectorConstructionLeipzig::ConstructLeipzig(G4VPhysicalVolume* mother)
66 { 81 {
67 G4Colour red (1.0, 0.0, 0.0) ; 82 G4Colour red (1.0, 0.0, 0.0) ;
68 G4Colour lblue (0.0, 0.0, .75); 83 G4Colour lblue (0.0, 0.0, .75);
69 << 84
70 G4NistManager* nist = G4NistManager::Instanc << 85 G4Material* capsuleMat = pMaterial -> GetMat("Stainless steel");
71 G4Material* iridium = nist -> FindOrBuildMat << 86 G4Material* iridium = pMaterial -> GetMat("Iridium");
72 G4Material* tungsten = nist -> FindOrBuildMa << 87 G4Material* tungsten =pMaterial -> GetMat("Tungsten");
73 <<
74 // Stainless steel (Medical Physics, Vol 25, <<
75 constexpr G4double d = 8.02*g/cm3; <<
76 G4int Z; //atomic number of the element <<
77 G4Element* elMn = nist -> FindOrBuildElement <<
78 G4Element* elSi = nist -> FindOrBuildElement <<
79 G4Element* elCr = nist -> FindOrBuildElement <<
80 G4Element* elFe = nist -> FindOrBuildElement <<
81 G4Element* elNi = nist -> FindOrBuildElement <<
82 auto steel = new G4Material("Stainless steel <<
83 steel -> AddElement(elMn, 0.02); <<
84 steel -> AddElement(elSi, 0.01); <<
85 steel -> AddElement(elCr, 0.19); <<
86 steel -> AddElement(elNi, 0.10); <<
87 steel -> AddElement(elFe, 0.68); <<
88 88
89 //Iridium source ... 89 //Iridium source ...
90 90
91 fCapsule = new G4Tubs("Capsule",0,0.55*mm,3. << 91 G4Tubs* capsule = new G4Tubs("Capsule",0,0.55*mm,3.725*mm,0.*deg,360.*deg);
92 fCapsuleLog = new G4LogicalVolume(fCapsule,s << 92 G4LogicalVolume* capsuleLog = new G4LogicalVolume(capsule,capsuleMat,"CapsuleLog");
93 fCapsulePhys = new G4PVPlacement(nullptr, G4 << 93 capsulePhys = new G4PVPlacement(0,
94 fCapsuleLog, << 94 G4ThreeVector(0,0,-1.975*mm),
95 false,0, tru << 95 "CapsulePhys",
>> 96 capsuleLog,
>> 97 mother, //mother volume: phantom
>> 98 false,
>> 99 0);
96 100
97 // Capsule tip 101 // Capsule tip
98 fCapsuleTip = new G4Sphere("CapsuleTip",0.*m << 102 G4Sphere* capsuleTip = new G4Sphere("CapsuleTip",0.*mm,0.55*mm,0.*deg,360.*deg,0.*deg,90.*deg);
99 fCapsuleTipLog = new G4LogicalVolume(fCapsul << 103 G4LogicalVolume* capsuleTipLog = new G4LogicalVolume(capsuleTip,capsuleMat,"CapsuleTipLog");
100 fCapsuleTipPhys = new G4PVPlacement(nullptr, << 104 capsuleTipPhys = new G4PVPlacement(0,
101 fCapsule << 105 G4ThreeVector(0.,0.,1.75*mm),
>> 106 "CapsuleTipPhys",
>> 107 capsuleTipLog,
>> 108 mother,
>> 109 false,
>> 110 0);
102 // Iridium core 111 // Iridium core
103 fIridiumCore = new G4Tubs("IrCore",0,0.30*mm << 112
104 fIridiumCoreLog = new G4LogicalVolume(fIridi << 113 G4Tubs* iridiumCore = new G4Tubs("IrCore",0,0.30*mm,1.75*mm,0.*deg,360.*deg);
105 fIridiumCorePhys = new G4PVPlacement(nullptr << 114 G4LogicalVolume* iridiumCoreLog = new G4LogicalVolume(iridiumCore,
106 fIridium << 115 iridium,
>> 116 "IridiumCoreLog");
>> 117 iridiumCorePhys = new G4PVPlacement(0,
>> 118 G4ThreeVector(0.,0.,1.975*mm),
>> 119 "IridiumCorePhys",
>> 120 iridiumCoreLog,
>> 121 capsulePhys,
>> 122 false,
>> 123 0);
107 124
108 //Leipzig Applicator is modelled with two di 125 //Leipzig Applicator is modelled with two different volumes
109 fApplicator1 = new G4Tubs("Appl1",5*mm,10.5* << 126
110 fApplicator1Log = new G4LogicalVolume(fAppli << 127 G4Tubs* applicator1 = new G4Tubs("Appl1",5*mm,10.5*mm,12*mm,0.*deg,360.*deg);
111 fApplicator1Phys = new G4PVPlacement(nullptr << 128 G4LogicalVolume* applicator1Log = new G4LogicalVolume(applicator1,tungsten,"Appl1Log");
112 mother,f << 129 applicator1Phys = new G4PVPlacement(0,
113 << 130 G4ThreeVector(0,0,4.0*mm),
114 fApplicator2 = new G4Tubs("Appl2",0.55*mm,5. << 131 "Appl1Phys",
115 fApplicator2Log = new G4LogicalVolume(fAppli << 132 applicator1Log,
116 fApplicator2Phys = new G4PVPlacement(nullptr << 133 mother,
117 "Appl2Ph << 134 false,
118 << 135 0);
119 fSimpleCapsuleVisAtt = new G4VisAttributes(r << 136
120 fSimpleCapsuleVisAtt -> SetVisibility(true); << 137 G4Tubs* applicator2 = new G4Tubs("Appl2",0.55*mm,5.*mm,3.125*mm,0.*deg,360.*deg);
121 fSimpleCapsuleVisAtt -> SetForceWireframe(tr << 138 G4LogicalVolume* applicator2Log = new G4LogicalVolume(applicator2,tungsten,"Appl2");
122 fCapsuleLog -> SetVisAttributes(fSimpleCapsu << 139 applicator2Phys = new G4PVPlacement(0,
123 << 140 G4ThreeVector(0,0,-4.875*mm),
124 fSimpleCapsuleTipVisAtt = new G4VisAttribute << 141 "Appl2Phys",
125 fSimpleCapsuleTipVisAtt -> SetVisibility(tru << 142 applicator2Log,
126 fSimpleCapsuleTipVisAtt -> SetForceSolid(tru << 143 mother,
127 fCapsuleTipLog -> SetVisAttributes(fSimpleCa << 144 false,
128 fIridiumCoreLog -> SetVisAttributes(fSimpleC << 145 0);
129 << 146
130 fApplicatorVisAtt = new G4VisAttributes(lblu << 147 G4VisAttributes* simpleCapsuleVisAtt = new G4VisAttributes(red);
131 fApplicatorVisAtt -> SetVisibility(true); << 148 simpleCapsuleVisAtt -> SetVisibility(true);
132 fApplicatorVisAtt -> SetForceWireframe(true) << 149 simpleCapsuleVisAtt -> SetForceSolid(true);
133 fApplicator1Log -> SetVisAttributes(fApplica << 150 capsuleLog -> SetVisAttributes(simpleCapsuleVisAtt);
134 fApplicator2Log -> SetVisAttributes(fApplica << 151
135 } << 152 G4VisAttributes* simpleCapsuleTipVisAtt = new G4VisAttributes(red);
136 void BrachyDetectorConstructionLeipzig::CleanL << 153 simpleCapsuleTipVisAtt -> SetVisibility(true);
137 { << 154 simpleCapsuleTipVisAtt -> SetForceSolid(true);
138 delete fApplicatorVisAtt; fApplicatorVisAtt = << 155 capsuleTipLog -> SetVisAttributes(simpleCapsuleTipVisAtt);
139 delete fSimpleCapsuleTipVisAtt; fSimpleCapsule << 156
140 delete fSimpleCapsuleVisAtt; fSimpleCapsuleVis << 157 G4VisAttributes* applicatorVisAtt = new G4VisAttributes(lblue);
141 delete fApplicator2Phys; fApplicator2Phys = nu << 158 applicatorVisAtt -> SetVisibility(true);
142 delete fApplicator1Phys; fApplicator1Phys = nu << 159 applicatorVisAtt -> SetForceWireframe(true);
143 delete fIridiumCorePhys; fIridiumCorePhys = nu << 160 applicator1Log -> SetVisAttributes(applicatorVisAtt);
144 delete fCapsuleTipPhys; fCapsuleTipPhys = null << 161 applicator2Log -> SetVisAttributes(applicatorVisAtt);
145 delete fCapsulePhys; fCapsulePhys = nullptr; <<
146 delete fApplicator2Log; fApplicator2Log = null <<
147 delete fApplicator1Log; fApplicator1Log = null <<
148 delete fIridiumCoreLog; fIridiumCoreLog = null <<
149 delete fCapsuleTipLog; fCapsuleTipLog = nullpt <<
150 delete fCapsuleLog; fCapsuleLog = nullptr; <<
151 } 162 }
152 163