Hi,
Unless I'm missing something here, the answer is 8000: i.e. 8000/1=8000 (!)
Each voxel just has a volume of 1mm^3.
If you've measured the volume inside the sphere to be 8000 mm^3, then it is as simple as this.
All the best,
Mark
On 5 Aug 2014, at 21:03, Francesco Puccettone <[log in to unmask]> wrote:
> Hello,
>
> I have a mask defined in FSL that has a volume of 8000 mm^3, and I need to find how many whole voxels that corresponds to. I find myself struggling with this apparently simple geometry problem: how many 1x1x1 mm cubes can you fit into a 8000 mm^3 sphere?
>
> Can anyone help please? :-}
>
> Thanks!
>
> Francesco
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