Hi
Have a look at the HCP course tractography tutorial, when it comes to using workbench and surfaces:
http://www.humanconnectome.org/courses/2015/exploring-the-human-connectome.php
https://wustl.box.com/shared/static/n8pw64dba2tbiridhuzefxrhdmsabdr8.pdf
Cheers
Stam
On 6 Nov 2015, at 17:31, LS <[log in to unmask]> wrote:
> Dear FSL Experts,
>
> I am looking to run tractography using ROI's from a cortical parcellation using surface ROI's. I first converted the dlabel files from a network parcellation using workbench's wb_command -cifti-all-labels-to-rois command which turns the labels into gifti files. I now want to use those as seeds to run probtracx.
>
> The FDT tutorial describes how to use ROI's but only when it is specifically converted from free-surfer. If I used workbench on the dlabel file to produce my gifti files:
> 1) Do i still need to run surf2surf? If so what should -i and --values be?
> 2) What should my --meshspace be?
>
>
> I tried running probtracx on those gii files directly just to see what would happen but I got an error:
>
> read scalar data that is a float 32
> read gifti
> segmentation fault (core dumped).
>
> Any help you could give would be much appreciated!
>
> Thank you!
> LS
>
>
>
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