[Gate-users] Duplicated Voxelized phantoms in GATE

[Albert Grace Lieu]

Dear GATE users,

Has anyone ever had the following problem with the voxelized phantom in
GATE:

By default, the voxelized phantom is placed at the center of the word with
the following code (or one does not have to include these lines of code
since it is by default). Everything works very well.

/gate/hof_brain/placement/setTranslation           0. 0. 0. mm
/gate/hof_brain/placement/setRotationAxis          1 0 0
/gate/hof_brain/placement/setRotationAngle         0 deg


However, soon as I changed this fault setting by adding a translation, then
in qt viewer (shown below), there are two duplicated voxelized phantoms,
one at the origin and one at the point set by the translation. For example,

 /gate/hof_brain/placement/setTranslation           0. 0. 100. mm

 /gate/hof_brain/placement/setRotationAxis          1 0 0
/gate/hof_brain/placement/setRotationAngle         0 deg

I notice this problem in both GATE V8 and V9. Is this an internal bug or
did I get something wrong?

[image: image.png]

Thanks a lot for your help.
Albert
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