[Gate-users] Cubic source

[Brosch-Lenz, Julia]

Dear Daria,

I quickly checked with one of my macros where I use a cubic source. I noticed you have inserted a "pos" which I don't have and also I uncommented the angles. With no guarantee that this might solve your problem as I am not a GATE expert, you could test this:

/gate/source/NAME/gps /type Volume
/gate/source/NAME/gps/shape Para
/gate/source/NAME/gps/halfx 0.05 cm
/gate/source/NAME/gps/halfy 0.05 cm
/gate/source/NAME/gps/halfz 0.05 cm
#/gate/source/NAME/gps/paralp 90. deg
#/gate/source/NAME/gps/parthe 90. deg
#/gate/source/NAME/gps/parphi 90. Deg
/gate/source/NAME/gps/angtype iso
/gate/source/NAME/gps/centre 0.0 0.0 0.0 cm 
/gate/source/NAME/visualize 1000 red

To get more information as terminal output about how GATE handles your source, you can further add this line below the others:
/gate/source/NAME/dump 1
This often helped me to find mistakes.

Please let us know, if this solved your problem.

Best,
Julia

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Von: Gate-users <gate-users-bounces at lists.opengatecollaboration.org> Im Auftrag von e12005820
Gesendet: Mittwoch, 5. Mai 2021 13:12
An: Gate-users at lists.opengatecollaboration.org
Betreff: [Gate-users] Cubic source

Dear all,
I have defined a phantom for a PET simulation and I would like to insert a cubic ion source in the center, with size 1x1x1 mm. I therefore defined a parallelepiped shape, by specifying the half-lengths and the angles, as suggested in documentation:

/gate/source/NAME/gps/pos/type Volume
/gate/source/NAME/gps/shape Para
/gate/source/NAME/gps/halfx 0.05 cm
/gate/source/NAME/gps/halfy 0.05 cm
/gate/source/NAME/gps/halfz 0.05 cm
/gate/source/NAME/gps/paralp 90. deg
/gate/source/NAME/gps/parthe 90. deg
/gate/source/NAME/gps/parphi 90. deg
/gate/source/NAME/gps/centre 0.0 0.0 0.0 cm /gate/source/NAME/visualize 1000 red

Still, it doesn't work and I can't figure out the mistake. Also in terminal I don't receive errors: the source is simply not inserted. I don't have any problem with other different shapes, such as spheres or
cylinders:

/gate/source/NAME/gps/pos/type Volume
/gate/source/NAME/gps/shape Sphere
/gate/source/NAME/gps/radius 0.05 cm
/gate/source/NAME/gps/centre 0. 0. 0. cm /gate/source/NAME/visualize 1000 red

Can you give me an hint on what might be wrong?
Many thanks in advance!
Daria Ferrara
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