Hi Finn
We don't support the fifth dimension in FSL (yet). Sorry...
However, we will -in the near future- support (at least reading) data
saved as nifti symmatrix.
Cheers,
Saad.
On 15 Jun 2009, at 07:54, Finn Lennartsson wrote:
> Thanks Saad,
>
> So it means an upper-triangular representation.
>
> However, I want to use the data with another software, interpreting
> nifti tensor matrices according to the NIFTI_INTENT codes.
> E.g. a diffusion tensor by "NIFTI_INTENT_SYMMATRIX". As far as I can
> see, FSL writes the elements along dim4 and not according to the
> NIFTI_INTENT codes (which has tensor elements in dim5).
>
> Is there any good way of going between FSL format and the NIFTI
> matrix formats?
>
> Regards,
> Finn
>
> On Mon, Jun 15, 2009 at 4:22 PM, Saad Jbabdi<[log in to unmask]>
> wrote:
>> Hi
>> It is Dxx Dxy Dxz Dyy Dyz Dzz.
>>
>> Cheers,
>> Saad.
>>
>>
>> On 15 Jun 2009, at 07:18, Finn Lennartsson wrote:
>>
>>> Hi,
>>>
>>> What is the order of the tensor elements (Dxx, Dxy, Dyy, Dxz, Dyz,
>>> Dzz) in dim4 when using option --save_tensor in dtifit?
>>>
>>> Cheers,
>>> Finn
>>> --
>>>
>>
>> --
>> Saad Jbabdi
>> Oxford University FMRIB Centre
>>
>> JR Hospital, Headington, OX3 9DU, UK
>> +44 (0) 1865 222545 (fax 717)
>> www.fmrib.ox.ac.uk/~saad
>>
>
>
>
> --
> _______________________________
> Finn Lennartsson
> Rödabergsbrinken 8
> SE-113 30 Stockholm, Sweden
> Cell: + 46 704 838907
> E-mail: [log in to unmask]
>
--
Saad Jbabdi
Oxford University FMRIB Centre
JR Hospital, Headington, OX3 9DU, UK
+44 (0) 1865 222545 (fax 717)
www.fmrib.ox.ac.uk/~saad
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