[Mrtrix-discussion] colourcoded count images; ROIs after tractography

[Kerstin Pannek]

D'oh! I had a feeling you would say that...
Could you give me a hint, where in your code I would have to look? My 
c++ is a bit rusty, but never give up, never surrender!
Cheers
Kerstin



Donald Tournier wrote:
> Hi Kerstin,
>
> Currently, I'm afraid the answer to both questions is no. That said,
> it should be a relatively task to code these up, since they're both
> fairly trivial modifications of the existing code. I won't have the
> time to sit down and do it in the near future, but if I have a spare
> minute I'll give it a shot. Maybe someone else out there is feeling
> particularly brave and wants to give it a try...?
>
> Also, there's a slight ambiguity in how you would obtain your
> voxel-wise track orientation, since averaging orientations is not
> immediately obvious. I think the best way I've heard of for doing it
> is via the so-called dyadic tensor (for those who may be interested in
> having a go ;).
>
> Sorry I can't help any more than that right now...
> Cheers,
>
> Donald.
>
>
> On Tue, Feb 3, 2009 at 3:11 PM, Kerstin Pannek <k.pannek1 at uq.edu.au> wrote:
>   
>> Dear MRtrix experts
>> I was just wondering if it is possible to extract the fibre orientation from
>> *.tck images on a voxel-wise basis - to get something like a colourcoded
>> count image.
>> Also, I would like to know if it is possible to apply inclusion/exclusion
>> ROIs _after_ streamtrack has finished.
>> Thanks for your help
>> Cheers
>> Kerstin
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>>
>>     
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