The usual input to topup is b0 image so I doubt there is an assumption for the number of directions. Posting the error you get may help. Mahmoud On Tue, Feb 5, 2019 at 10:11 AM Annelene Dahl <[log in to unmask]> wrote: > Hi, > I'm trying to correct some distortion of the sinuses in my EPI images > using topup, however, my images are not DTI images, only regular EPI images > for RS-fMRI. I keep getting error messages, and I suspect it is related to > that the b02b0.cnf assumes there should be 6 directions - is this correct, > and is there another config file for non-DTI corrections, or if not, does > anyone know how I should modify the config file? > Thanks for your help! > > Annelene > > ######################################################################## > > To unsubscribe from the FSL list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1 > ######################################################################## To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1