[Gate-users] Overlap between scanner geometry and Voxellized phantom

[Sonal Ambwani]

Hello Bosky,

I encountered the same problem while using Vox. phantoms. The only 
solution I could work with was by resizing the phantom.
-Sonal


Quoting "Ravindranath, Bosky" <bosky at bnl.gov>:

> Hello Gate users,
>
> I'm using voxellized phantoms to test my scanner performance, however 
> due to the positioning of the scanner, there is bound to be 
> overlapping regions between the scanner and the image that is read in 
> as the phantom. The regions in the phantom that overlap with the 
> scanner has material properties set to vacuum. When I run my 
> simulations, I do not see any gamma interactions with the overlapping 
> detector regions. Is there a way to work around this? I tried to 
> define the scanner as a daughter of the phantom, GATE did not allow 
> me to do that (I set the type as parameterized box matrix), I tried 
> defining the phantom first and then the geometry, but the result was 
> the same.
>
> Any suggestions appreciated.
> Thank you,
> Bosky
>
> _______________________________________________
> Gate-users mailing list
> Gate-users at lists.healthgrid.org
> http://lists.healthgrid.org/mailman/listinfo/gate-users
>



Sonal Ambwani

Dept. of Electrical and Computer Engineering
Boston University