[FieldTrip] Signal viewer + Biosemi

[Hamza Fawzi Altakroury (Student)]

Dear Boris

Due to my misunderstanding I thought the realtime processing is done by
reading the data from a gdf file that is created by the biosemi2ft function.
Reading the signal viewer discription on your site made me understand the
realtime processing and reading from a buffter.

To read the data from the biosemi I thought I should change the address
(cfg.dataset        = 'buffer://localhost:1972';), but, thanks to Marianne,
I could view the signals easily from biosemi by keeping the line as it is.

The command lines that I typed are:

In cmd:    *biosemi2ft example.config.txt out -

*In MatLab:  *cfg                = [];
*                 *cfg.blocksize      = 1;                            %
seconds
*                 *cfg.dataset        = 'buffer://localhost:1972';    %
where to read the data*


Best,

Hamza


On Thu, Apr 19, 2012 at 1:48 PM, Boris Reuderink
<b.reuderink at donders.ru.nl>wrote:

> Dear Hamza,
>
> Could you perhaps elaborate on your question? I was also under the
> impression that you asked how to view the (real time) Biosemi signals
> --- which Marianne explained. What are you trying to achieve, what is
> your approach, and on what aspect are you asking for help?
>
> Best,
>
> Boris
>
> On Wed, Apr 18, 2012 at 9:18 AM, Hamza Fawzi Altakroury (Student)
> <hamzaf at sabanciuniv.edu> wrote:
> > Thank you Marianne
> >
> > I did not ask for just viewing the signal only, but to do realtime
> > processing in general.
> >
> > Thanks again
> >
> > Hamza
> >
> >
> > On Tue, Apr 17, 2012 at 3:51 PM, Severens, Marianne
> > <m.severens at maartenskliniek.nl> wrote:
> >>
> >> Hi Hamza
> >>
> >> You first need to start a buffer to read the data from de biosemi
> device,
> >> so start the biosemi2ft, see here
> >>
> http://fieldtrip.fcdonders.nl/development/realtime/biosemi?s[]=biosemi2ft.
> >> Then if you do not change the defaults you do not need to change the
> >> cfg.dataset field for the signal viewer.
> >>
> >> There is also a signal viewer based on c code (so no extra matlab
> session
> >> is necessary). You can find it here: fieldtrip/realtime/utilities/viewer
> >>
> >> Best, Marianne
> >> ________________________________________
> >> From: fieldtrip-bounces at donders.ru.nl [fieldtrip-bounces at donders.ru.nl]
> On
> >> Behalf Of Hamza Fawzi Altakroury (Student) [hamzaf at sabanciuniv.edu]
> >> Sent: Tuesday, April 17, 2012 8:41 AM
> >> To: Email discussion list for the FieldTrip project
> >> Subject: [FieldTrip] Signal viewer + Biosemi
> >>
> >> Hello,
> >>
> >> I looked I the Signal viewer example in the following page:
> >> http://fieldtrip.fcdonders.nl/example/ft_realtime_signalviewer
> >>
> >> I just want to know how could I view a signal coming directly from the
> >> biosemi device?
> >> (I think the following line should be changed:
> >>  cfg.dataset        = 'buffer://localhost:1972';
> >> but I don't know what to put)
> >>
> >> Thanks for your help
> >>
> >>
> >> --
> >> Hamza Fawzi Altakroury
> >> Graduate student - MA
> >> Faculty of Engineering and Natural Sciences
> >> Sabancı University
> >>
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> > --
> > Hamza Fawzi Altakroury
> > Graduate student - MA
> > Faculty of Engineering and Natural Sciences
> > Sabancı University
> >
> > _______________________________________________
> > fieldtrip mailing list
> > fieldtrip at donders.ru.nl
> > http://mailman.science.ru.nl/mailman/listinfo/fieldtrip
>
>
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-- 
Hamza Fawzi Altakroury
Graduate student - MA
Faculty of Engineering and Natural Sciences
Sabancı University
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