Hi,
It's easy to generate, you need to offset your detector, either via the RTK
geometry or by setting the first coordinate of the origin of your
projection to something which makes the projection uncentered. For example,
in the geometry :
rtksimulatedgeometry -n 180 --proj_iso_x 100 -o g
rtkprojectshepploganphantom -g g -o proj.mha
rtkfdk -p . -g g -r proj.mha -o fdk.mha
You can simulate from a CT image by following this example
<http://wiki.openrtk.org/index.php/RTK/Scripts/ForwardProjection>.
Simon

On Fri, Oct 11, 2019 at 9:58 AM <gabriele.belotti.berg...@gmail.com> wrote:

> Dear RTK users and developers,
>
> I’m currently experimenting with FDK reconstruction and I’m struggling to
> find a Half-Fan projection dataset to fiddle around.. Do you know where I
> can find one? I’ve taken into consideration generating a set of DRRs from
> an existing phantom. Any help or advice you can give me would be greatly
> appreciated, thanks!
>
> Gabriele Belotti
>
>
>
>
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