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Hi - the number stored in waytotal is simply the number of streamlines that were *not* rejected. So if you don't use waypoint masks or exclusion masks, the waytotal will simply be the total number of samples, i.e. number of voxels times number of samples per voxel.  This was also the case for previous versions.

Cheers
Saad

On 8 Apr 2013, at 17:59, Jürgen Hänggi wrote:

Dear FSL experts

When using the same seed but different targets, the waytotal is always the
same and simply the number of seed voxels times 5000. Also when using
different subjects.

In older FSL versions, this was not the case.

Any idea?

Thanks in advance
Jürgen Hänggi

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Saad Jbabdi
University of Oxford, FMRIB Centre

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