[Gate-users] Location of voxelized source

[Khalid Hussain]

Hi Gate Users

I have a little bit confusion about the placement of the voxelized source.
For simulation, the voxelized source shape and position will be the same as
that of the voxelized phantom. For the phantom, I used another vacuum
volume and derived voxelized phantom from this vacuum volume, and then
translated the parent (vacuum) volume, then its position is correct. But in
case of voxelized source, I defined the source given the same .mhd file to
read the voxelized source ànd it's location may be fine but I want any one
to please check the placement of source to avoid any issue after simulation
.please check the source and phantom maco scripts given below, maybe I need
to do something similar to the phantom for correct position
########## *Voxelized Source*
/gate/source/addSource voxelSource voxel
/gate/source/voxelSource/reader/insert image
/gate/source/voxelSource/imageReader/translator/insert range
/gate/source/voxelSource/imageReader/rangeTranslator/readTable
data/activity_range_breast.dat
/gate/source/voxelSource/imageReader/rangeTranslator/describe 1
/gate/source/voxelSource/imageReader/readFile data/breast.mhd
/gate/source/voxelSource/imageReader/verbose 1
/gate/source/voxelSource/setPosition   0.0  0.0 0.0 mm

/gate/source/voxelSource/gps/particle gamma
/gate/source/voxelSource/setActivity 20.0 mCi
/gate/source/voxelSource/gps/energytype Mono
/gate/source/voxelSource/gps/monoenergy 140. keV
/gate/source/voxelSource/gps/angtype iso
/gate/source/voxelSource/gps/mintheta 0. deg
/gate/source/voxelSource/gps/maxtheta 90. deg
/gate/source/voxelSource/gps/minphi 0. deg
/gate/source/voxelSource/gps/maxphi 360. deg
/gate/source/voxelSource/attachTo breast_phantom
/gate/source/voxelSource/visualize 100 red 20

*# V O X E L I Z E D  M A T R I X   B R E A S T   P H A N T O M*
/gate/world/daughters/name *Vac*
/gate/world/daughters/insert box
/gate/Vac/geometry/setXLength 84.0 mm
/gate/Vac/geometry/setYLength 84.0 mm
/gate/Vac/geometry/setZLength 84.0 mm
/gate/Vac/placement/setTranslation 0. 0. 28. mm
/gate/Vac/placement/setRotationAxis 0 1 0
/gate/Vac/placement/setRotationAngle 270 deg
/gate/Vac/setMaterial Vacuum
/gate/Vac/vis/setColor magenta
/gate/Vac/vis/forceWireframe
/gate/Vac/describe
/gate/Vac/vis/setVisible false

/gate/*Vac/daughters/*name *breast_phantom*
/gate/Vac/daughters/insert ImageRegularParametrisedVolume
/gate/breast_phantom/geometry/setRangeToMaterialFile
data/range_atten_breast.dat
/gate/breast_phantom/geometry/SetImage data/breast.mhd
/gate/breast_phantom/setSkipEqualMaterials 0
/gate/breast_phantom/vis/forceWireframe
/gate/breast_phantom/attachPhantomSD

Currently the voxelized source looks like in below picture

Regards
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