Dear Falk,
Let's wait for Christian's feedback if this issue is CAT12 specific but
I'm curious because the segmentation fault takes place in spm_conv_vol.
From what you are saying, it seems that there is a minimal voxel size
under which the crash occurs so it could relate to file size or numeric
overflow. Would you be able to stop CAT12 just before the call to
spm_conv_vol during "SPM preprocessing 2 (write)" and report what the
sizes of the input variables are?
Best regards,
Guillaume.
On 29/01/18 13:38, Falk Lüsebrink wrote:
> Dear all,
>
>
>
> I’m trying to process a high resolution dataset with 0.25 mm isotropic
> resolution using CAT12 (r1258) and SPM12 (v7219). It used to work with
> older versions, however, now it crashes during the SPM preprocessing 2
> (write). See attached log file. Downsampling the dataset to a resolution
> worse or equal to 0.4 mm works fine, i.e. 0.33 mm does not work either.
> Bias field correction and such of SPM12 work without issues even at full
> resolution. So I suppose it is unrelated to SPM12.
>
>
>
> RAM and disk space is available plentiful (128 GB and a few TB
> respectively). Changing parameters (i.e. bias field correction strength,
> sampling distance, etc.) did not seem to help either.
>
>
>
> Any help is appreciated!
>
>
>
> Best,
>
> Falk
>
--
Guillaume Flandin, PhD
Wellcome Trust Centre for Neuroimaging
University College London
12 Queen Square
London WC1N 3BG
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