Hi there, 

I'm trying to visualize a patient's DTI images on TrackVis to help with preoperative planning. I seem to only be able to see short tracks (mean length 12mm). Even when I create a large ROI and place it in the corticospinal track, I can't see long tracks which I know should be there. Is there some mode parameter in TrackVis I should be changing? Can't seem to find a solution. 

Any help would be appreciated!

Thank you