Hi Amnah,

Just to let you know an updated oxford_asl package has now been released at:

https://github.com/ibme-qubic/oxford_asl/releases/tag/v4.0.2

This should clarify the units required for this parameter and allow it to be specified to an appropriate precision - in your case you should specify 0.95ms rather than 0.00095s.

Let me know if you have any troubles with the new package,

Martin

Hi Amnah,

Yes you're right - I didn't realize there was a limit to the smallest value that could be specified.

I've just made a change which increases the precision of this control, and also specifies it in ms rather than seconds for the GUI which I think is probably clearer. The CL tool will continue to use seconds for compatibility.

I'll build a new package for this fix and let you know when it's available.

Martin

From: FSL - FMRIB's Software Library <[log in to unmask]> on behalf of Amnah Mahroo <[log in to unmask]>
Sent: 10 January 2019 08:54:41
To: [log in to unmask]
Subject: Re: [FSL] Topup Error while performing perfusion analysis using BASIL

Hi Martin,

Has the issue of echo spacing been fixed in oxford_gui as well? It solved the problem in command line, but the smallest value I can enter in the gui for 'effective EPI echo spacing' is 0.01 and if I use the 0.06 as mentioned in the primer example, the following output is generated:

For TOPUP using total read-out time of ( 64 - 1) x 0.06000 s = 3.78000 s

Thanks,
Amnah

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