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Dear Jesper,

Thank you very much for a response. Actually, I omitted one 1 in the index
file as I'm not familiar with the zero-based index. It's running now. sorry
for a false alarm.

Is the number in the fourth column really irrelevant when there is only one
row? Or would it help if it's accurate?

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Seung-Goo KIM

On Mon, Aug 7, 2017 at 12:04 PM, Jesper Andersson <
[log in to unmask]> wrote:

> Dear Seung-Goo,
>
>
> I am trying to analyze DWI data without any means to correct
> susceptibility-induced distortion (no field map, no inverse
> phase-ecndoing). I hope "eddy" outperforms "eddy_correct", but the "eddy"
> does not run without "acquisition parameters" and "index".
>
> I thought I could run it with just a [1x4] vector (for one phase-encoding)
> in the "acquisition parameter file" and all 1's (as many as the number of
> volumes) in the "index file", but it returns
>
>
> I am guessing that you mean that your acqp file looks something like
>
> 0 1 0 0.05
>
> in which case that should work.  The error message below isn’t really much
> help, and also a bit surprising since I don’t think I throw any exceptions
> without a proper explanatory message.
>
> Can you maybe try to run again, and this time include --very_verbose at
> the end of the command and cut and paste the screen output to an email to
> me?
>
> Jesper
>
>
> exceptions:
>
> $ eddy --imain=dwi.nii --mask=brain_mask.nii --bvecs=bvecs --bvals=bvals
> --out=data --acqp=acqp --index=index
>
>
> terminate called after throwing an instance of 'EDDY::EddyException'
>   what():  pǙ;
> Aborted
>
>
> Could anyone please share a tip on this issue?
>
> Best regards,
> --
> Seung-Goo Kim
> Doctor of Natural Science in Psychology
>
> Research Group for Cortical Networks and Cognitive Functions,
> Max Planck Institute for Human Cognitive and Brain Sciences,
> Stephanstrasse 1A, 04103 Leipzig, Germany.
> Phone: +49 341 9940 2618 <0341%2099402618> | Fax: +49 341 9940 2624
> <0341%2099402624>
> http://www.cbs.mpg.de/~skim
>
>
>