| Geant4 Cross Reference |
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2 =======================================
3 Text version of the iort_
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5
6 Main Authors:
7 G.Russo(a,b), C.Casarino*(c), G.C. Candiano(c
8
9 Contributor Authors:
10 S.Guatelli(e)
11
12 Past Authors:
13 G.Arnetta(c), S.E.Mazzaglia(d)
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15 (a) Fondazione Istituto San Raffaele G.Giglio
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17 (b) IBFM-CNR , Segrate (Milano), Italy
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19 (c) LATO (Laboratorio di Tecnologie Oncologic
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21 (d) Laboratori Nazionali del Sud of the INFN,
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23 (e) University of Wollongong, Australia
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25
26 *Corresponding author, email to carlo.casari
27 ----------------------------------------------
28
29 iort_therapy:
30
31 WHAT IT IS, WHAT IT DOES AND WHAT IT WILL PROV
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33 iort_therapy is a Geant4-based application spe
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35 iort_therapy is capable to simulate a well spe
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37 iort_therapy, is flexible and show many capabi
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39
40 Folder structure of iort_therapy
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42 iort_therapy distribution contain these sub-fo
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44 \src: where source .cc files are stored
45 \include: where header .hh files are stored
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47 Currently this folders structure is in develop
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49
50 DOWNLOAD AND INSTALLATION
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52 iort_therapy source code is released inside th
53
54 To run iort_therapy you must first install the
55 ../iort_therapy folder). When compilation is c
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57 A CMakeLists.txt file is provided together wit
58
59 A complete guide for the Geant4 installation i
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61
62 GEOMETRICAL SET-UP
63
64 The idea of iort_therapy is to provide a tool
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66 The main component of the simulation is the co
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68
69 COLLIMATOR BEAM LINE SYSTEM
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71 At moment iort_therapy include the simulation
72 In fact, there is also a facility in iort_ther
73
74 /geometrySetup/selectGeometry <name>
75
76 where <name> is coll40, coll50, coll60, coll70
77
78 The Collimator beam line system class file
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80 The following is the description of the elemen
81
82 The main elements are the accelerator head and
83 The accelerator head performs as a primary col
84 The applicator consists of a cylindrical PMMA
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86 IortBeamLineVacuumSource();
87 IortBeamLineTitaniumWindows();
88 IortBeamLineMonitorChambers();
89 IortBeamLineBlocks() ;
90 IortBeamLineJunctions();
91 IortBeamLineFinalCollimator();
92
93 The user has now the possibility to vary, via
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95
96 THE PHANTOM
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98 At the end of the beam line a phantom (a box o
99 Inside it, a user-defined region (the detector
100 At the end of a simulation run the dose deposi
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102 THE DETECTOR
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104 A scoring mesh is set to score the dose in the
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106 As concern the cut and stepMax values, the def
107 In any case it is strongly recommended to use
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109
110 SHIELDING DISC
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112 Inside the detector is positioned a double lay
113 NOTE 1: to delete the disc out the entire geom
114 NOTE 2: to re-insert the disc in the entire ge
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116
117 PHYSICS PROCESSES AND PHYSICS MODELS IMPLEMENT
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119 EM Standard option 4 is activated. The user ca
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121
122 INTERACTIVE COMMANDS
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124 How to change Phantom, Detector and Shielding
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126 In order to let the end user to change phantom
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128
129 Phantom geometry
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131 (1) The phantom size. As usually, zero or nega
132 (2) The phantom position respect to the world.
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134 Command synopsis:
135
136 /changePhantom/size <dimX> <dimY> <dimZ> <[uni
137 /changePhantom/position <posX> <posY> <posZ> <
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139
140 Detector geometry
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142 The user can change:
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144 (1) The detector (box) size.
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146 (2) The displacement between the phantom and t
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148 Command synopsis:
149 /changeDetector/size <dimX> <dimY> <dimZ> <[un
150 /changeDetector/displacement <dispX> <dispY> <
151
152 The user has to change the scoring mesh accord
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154
155 Shielding Disc geometry
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157 Command synopsis:
158
159 /ProtectionDisc1/OuterRadiusDisc1 <dim>
160 /ProtectionDisc1/InnerRadiusDisc1 <dim>
161 /ProtectionDisc1/HeightDisc1 <dim>
162 /ProtectionDisc1/XPositionDisc1 <dimX>
163 /ProtectionDisc1/material <G4_Material>
164
165 /ProtectionDisc2/OuterRadiusDisc2 <dim>
166 /ProtectionDisc2/InnerRadiusDisc2 <dim>
167 /ProtectionDisc2/HeightDisc2 <dim>
168 /ProtectionDisc2/XPositionDisc2 <dimX>
169 /ProtectionDisc2/material <G4_Material>
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171
172 All these commands must be followed
173 in order to check and eventually apply changes
174 Moreover they must be issued between
175 Obviously all the previous sizes must be set i
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177
178 To Delete Disc geometry
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180 Command synopsis:
181
182 /DeleteProtectionDisc/delete
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184 To Re-insert Disc geometry
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186 Command synopsis:
187
188 /InsertProtectionDisc/insert
189
190 **** To set initial beam features
191
192 By default, the beam propagates along the posi
193 It is possible to select: particle type, mean
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195 Command synopsis:
196
197 /gun/particle
198 /beam/energy/meanEnergy
199 /beam/energy/sigmaEnergy
200 /beam/position/Xposition
201 /beam/position/Yposition
202 /beam/position/Yposition/sigmaY
203 /beam/position/Zposition
204 /beam/position/Zposition/sigmaZ
205 /beam/momentum/Theta
206
207 HOW RUN iort_therapy
208
209 Run the example in interactive mode
210
211 > $G4WORDIR/bin/Linux-g++/iort_therapy
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213 In this case the main file (iort_therapy.cc) p
214 For example, if the environment variable G4UI_
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216 Run the example using macro files
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218 iort_therapy can be launched using a macro fil
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220 > $G4WORDIR/bin/Linux-g++/iort_therapy macroFi
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222 The defaultMacro.mac file is contained in the
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225 SIMULATION OUTPUT
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227 Store results in an ASCII file
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229 A .out ASCII file is generated at the end of e
230 The file contains four columns; the first thre
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