Q about integration with SPM8

[John Iversen]

Hi Robert and Vladimir,

Thank you both for your responses. I very much appreciate the
clarifications and suggestions for ways to proceed.

Best regards,

John

On Jan 12, 2009, at 12:12 PM, Robert Oostenveld wrote:

> Hi John,
>
> Vladimir and I (and other spm developers) have considered this
> carefully, and the present spm8+fieldtrip mixture was the best we
> could come up with. The versions are automatically kept in synch,
> but the release schedule of fieldtrip is daily, whereas for spm8 it
> is less frequent. So the versions getting slightly out of sync on
> your computer is inevitable.
>
> With the latest 2008a and 2008b versions of Matlab there are better
> options for supporting such mixtures ofg packages (using
> "namespaces"), but since both spm and fieldtrip should work on older
> matlab versions, we cannot use those features yet.
>
> On 9 Jan 2009, at 19:31, Vladimir Litvak wrote:
> this
>>> To avoid this issue,
>>> I was planning to have SPM8 use my existing Fieldtrip installation
>>> exclusively. Is there is any downside to?
>>
>> Yes because there is no guarantee that your particular FT version is
>> compatible with your SPM version (unless you keep updating both which
>> is redundant).
>>
>> The best way for you to work if you already have an FT version that
>> works for you and don't want to update it for a while is to ignore
>> the
>> FT version that SPM uses and pretend it's not there. Wrappers will
>> prevent any clashes as I explained.
>
> To add on Vladimirs comment: In practice it means that you delete
> the spm8/external/fieldtrip/private directory and keep the spm8/
> external/fieldtrip directory for the wrappers. You can do the same
> for fileio and forwinv (also both in fieldtrip and spm8/external).
> Subsequently you should ensure that the ft_xxx wrappers in spm8,
> respectively the fileio_xxx and the forwinv_xxx wrappers are on your
> matlab path, just as your normal fieldtrip version. SPM8 will call
> those wrappers, which will call your standard fieldtrip functions.
>
> best
> Robert
>
> ----------------------------------
> The aim of this list is to facilitate the discussion between users
> of the FieldTrip  toolbox, to share experiences and to discuss new
> ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html
>  and http://www.ru.nl/fcdonders/fieldtrip.

----------------------------------
The aim of this list is to facilitate the discussion between users of the FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html and http://www.ru.nl/fcdonders/fieldtrip.