Hi Catherine,
You can use the --stop option (or termination masks in the GUI). If
you merge both targets into a single mask (e.g. with fslmaths) that
you use as a termination mask, then sample tracts that get to any of
these targets will terminate there.
Cheers,
Saad.
On 24 Feb 2009, at 12:26, Catherine Traynor wrote:
> I am carrying out the connectivity-based seed classification using two
> adjacent cortical target masks. I am concerned about paths that
> appear to
> travel through one of the target regions and on to the other. The
> seed voxel
> is then classified as connecting to both target regions for a single
> path.
>
> What is the best way to deal with this situation? Is there any way to
> terminate the path after it encounters the first target region,
> without
> having to run probtrack separately for each region?
>
> Many thanks
>
> Catherine Traynor
>
Saad Jbabdi
Oxford University FMRIB Centre
JR Hospital, Headington, OX3 9DU, UK
+44 (0) 1865 222545 (fax 717)
www.fmrib.ox.ac.uk/~saad
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