[Gate-users] Outputing projections for each angle of gantry rotation around the phantom

[Mijat Paunovic]

Dear David,
Thank You! I am using only using Hits, so it would be fine. In the meantime
I switched to running a parameterised Gate script, and I am doing so
through a for loop in a bash script. Is this the way you would advise?
Kind regards,
Mijat Paunović

On Mon, May 2, 2022 at 1:21 PM David Leibold <D.Leibold at tudelft.nl> wrote:

> Dear Mijat,
>
> assuming that you store the output of Singles or Hits, there is the
> possibility to implement this in a single run by using the time stamp of
> the events together with the known rotation speed of the setup. As far as I
> know, there is no option to create a new output file for each time slice,
> but others might shed more light on this.
> However, this means that you have to store an additional parameter to your
> output file, which takes time. IMHO, it is more convenient to use a
> parameterised Gate script instead.
>
> If you use the ImageCT output, then it will store one frame for each time
> slice; however, the ImageCT actor only stores the *numbers* of Singles
> per pixel, whereas a real detector would measure the *energy* per pixel.
>
> Kind regards,
> David Leibold
>
> On 28 Apr2022, at 13:35, Mijat Paunovic <paunovicjata at gmail.com> wrote:
>
> Dear Gate Community,
> I am running a simple CT scanner consisting of an X-ray source and a
> detector between which the cylindrical phantom is placed. I want to rotate
> the phantom and save the output for each angle of rotation. Ex. The phantom
> is in 0 deg position. The source emits certain number of particles, the
> output is saved for this projection. Then, the phantom is rotated, the
> source emits particles, output is again saved and so on.
> Is this possible in a single run, or do I have to run a parameterized Gate
> script?
> Kind regards,
> Mijat Paunović
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