Without seeing the inputs, my best guess is that your seed voxel is not in the brain.
This usually happens because you have not selected the correct transformation image to take the seeds back into diffusion space.
Cheers
T
On 14 Mar 2007, at 15:59, David Kideckel wrote:
hi.
I think you're right. The file is empty I am following the instructions on the webpage verbatim. Do you have any ideas why the image is empty after I am doing this step?
Thanks.
David
On 3/14/07, Tim Behrens < [log in to unmask]> wrote: Just add a new image.
It sounds as though either the file is empty, or you have the range
set to [0,0] at the top of the window.
Cheers
T
On 14 Mar 2007, at 15:35, David Kideckel wrote:
> Hello experts,
>
> I am trying to run through the FDT practical and for the
> probabilistic tractography part, the instructions indicate to
> "overlay" the connectivity distribution onto the FA map. Can
> someone please tell me where the overlay command in fsl view is?
> Otherwise, when I try to open this new file created, it doesn't open.
>
> Sorry for the beginner-type question.
> Thank you.
>
> David Kideckel
> PhD. Candidate, University of Toronto
> Canada