Hello John,
do you mean that we don't need the initial import step anymore, and that
we should just create the Dartel template by using the rc* maps
generated during the (new) segmentation (when selecting the Dartel
Imported option)?
Thank you,
Bruno
On 21/01/2014 12:07, John Ashburner wrote:
> I really should update the documentation.
>
> In SPM12, the idea is to create the "imported" tissue maps at the
> segmentation stage. For each of the tissue maps, there is an option to
> write an imported version (hidden in "Native tissue") of each tissue class.
>
> Best regards,
> -John
>
>
>
> On 21 January 2014 11:47, Bruno L. Giordano <[log in to unmask]
> <mailto:[log in to unmask]>> wrote:
>
> Hello: apologies if this question has already been asked.
>
> I am trying to run the Dartel initial import routine on SPM12b.
>
> I am importing the *seg8.mat files generated by the SPM12b (new)
> segmentation, rather than the *seg_sn.mat files produced by older
> segmentation routines.
>
> The initial import fails on line 25, when it tries to load the
> tissue-probability maps because it looks for them inside a VG struct
> which was part of seg_sn.mat, but not of seg8.mat.
>
> I figure line 25 should be changed from
>
> tmp = strvcat(p(1).VG.fname);
> to
> tmp = strvcat(p(1).tpm.fname);
>
> however, when using the updated line 25, line 26 ("p(1).VG =
> spm_vol(tmp);") produces an awkward results: it loads the volume
> definition for the entire set of six TPMs contained in TPM.nii six
> times:
>
> p(1).VG(i+6*n) equals p(1).VG(i+6*m), where n= any of [0:5] and m=
> any of [0:5].
>
> Should the Dartel import work correctly if I update the content of
> seg8.mat so as to include a VG variable that indices the first three
> TPMs inside TPM.nii (grey,white,CSF)?
>
> Cheers,
>
> Bruno
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~__~~
> Bruno L. Giordano, PhD
> Institute of Neuroscience and Psychology
> 58 Hillhead Street, University of Glasgow
> Glasgow, G12 8QB, Scotland
> T +44 (0) 141 330 5484 <tel:%2B44%20%280%29%20141%20330%205484>
> Www: http://www.brunolgiordano.net
>
>
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Bruno L. Giordano, PhD
Institute of Neuroscience and Psychology
58 Hillhead Street, University of Glasgow
Glasgow, G12 8QB, Scotland
T +44 (0) 141 330 5484
Www: http://www.brunolgiordano.net
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