Le 17/02/2012 10:43, Saad Jbabdi a écrit :
> Hi Romain
>
> No the waypoint criterion in probtrackx is applied to each half trajectory separately. So when tracking from A, if only one half reaches B, then only one half is retained.
>
> One way to understand what might be happening is to use probtrackx2 (pre-released on this list - please use it!!!).
>
> Probtrackx2 has a couple of features that can be useful for you:
> - You can chose your waypoints so that they are traversed in succession, in the same order as in the ascii list (--wayorder)
> - You can save your retained samples in ascii format (--savepaths) so that you can load them in matlab and see what's going on
> - You can chose to either retain both sides of the streamline or only one side (--onewaycondition) [note the default here is opposite to probtrackx]
> - You can have OR / AND conditions on your waypoints
>
> Cheers
> Saad.
Hello
Thanks you Saad for this suggestion, it indeed improve very much the
track precision, I do not know if there was some bug in the previous
version but the results of protrackx2 are much better
Cheers
Romain
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