Hi - yes this bug was spotted on this list and fixed for 4.1.6 (soon!).
If you can't wait, I can send you a binary if you email me directly.
On 18 Jun 2010, at 15:09, Mark Pinsk wrote:
> I've encountered a strange problem:
> Using probtrackx multiple masks to look at the fdt_paths between two masks...
> I get sensible results using FSL 4.1.4. However my colleague running the same exact data on
> his machine was getting an empty fdt_paths file. Turns out he is running 4.1.5.
> I installed 4.1.5 on my machine, and was able to replicate his empty fdt_paths file result.
> When I switch back to 4.1.4, I get the expected good result.
> This only seems to happen with multiple masks. A single mask tracking seems to work fine in both versions.
> We're both using OS X 10.5.
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