No - in this case they are not doing the same thing. If you have 2 rois, then option 2 adds results of two runs of (1) where seed and waypoint are swapped.
Saad
On 30 Jul 2012, at 12:10, SUBSCRIBE FSL Jay wrote:
> Hi Saad,
>
> Am sorry for not being clear. Here are the two ways i am trying to compare
>
> 1. Seed space = single mask (first ROI as mask image) , Optional Target - Wayoint masks (second ROI added to Wayponts list)
>
> 2. Seed space = Multiple masks (first and second ROI's added to Masks list )
>
> Is your answer that you see the differences due to the random number generator, still valid for the above options? In that case which of the above options should i choose to track fibers between 2 ROI's?
>
> BW
> Jay
>
>
>
--
Saad Jbabdi
University of Oxford, FMRIB Centre
JR Hospital, Headington, OX3 9DU, UK
(+44)1865-222466 (fax 717)
www.fmrib.ox.ac.uk/~saad
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