[FieldTrip] signal acquisition with Biosemi

Sophie ADAMA adama.sophie at gmail.com
Tue Feb 14 15:06:21 CET 2012


Hi everybody,

I tried all this but it still doesn't work.

The latest error I got was: *Access denied*

Sincerly,
Sophie


Le 13.02.12 19:08, Philip van den Broek a écrit :
> Hi Sophie,
>
> If you specify a file and path, you don't need ./ in front of it, only 
> when you try to execute a file in the current folder. In our local 
> fieldtrip distribution for biosemi2ft, contrary to yours, apparently 
> the extension .maci is missing so you need to specify the extension as 
> well:
> If you are in the folder:
> ./biosemi2ft.maci (with optional parameters)
>
> or from anywhere else:
> ../fieldtrip/realtime/acquisition/biosemi/biosemi2ft.maci (with 
> optional parameters)
>
> Gr. Philip
>
> On Feb 13, 2012, at 3:52 PM, Severens, Marianne wrote:
>
>> Hi Sophie
>>
>> I've checked the script that we use to startup the buffer in our lab. 
>> Apparently you need to type ./ before the command. This is what our 
>> script looks like:
>> cd to the /fieldtrip/realtime/acquisition/biosemi/ folder.
>> Then run the biosemi2ft: ./biosemi2ft (with optional parameters)
>>
>> I think you can also put a path in the gdf filename, so it does not 
>> save it in the fieldtrip folder, but you will have to check that.
>>
>> I hope this works for you!
>> Best, Marianne
>> ________________________________________
>> From: fieldtrip-bounces at donders.ru.nl 
>> <mailto:fieldtrip-bounces at donders.ru.nl> 
>> [fieldtrip-bounces at donders.ru.nl 
>> <mailto:fieldtrip-bounces at donders.ru.nl>] On Behalf Of Sophie ADAMA 
>> [adama.sophie at gmail.com <mailto:adama.sophie at gmail.com>]
>> Sent: Saturday, February 11, 2012 6:29 PM
>> To: 'Email discussion list for the FieldTrip project'
>> Subject: Re: [FieldTrip] signal acquisition with Biosemi
>>
>> Hi Marianne,
>>
>> There are 3 biosemi2ft in that folder : biosemi2ft.cc, biosemi2ft.exe 
>> and biosemi2ft.maci; but when I type 
>> ../fieldtrip/realtime/acquisition/biosemi/biosemi2ft
>> in the command line, it says No such file or directory.
>>
>> Sophie
>>
>> From: fieldtrip-bounces at donders.ru.nl 
>> <mailto:fieldtrip-bounces at donders.ru.nl> 
>> [mailto:fieldtrip-bounces at donders.ru.nl] On Behalf Of Severens, Marianne
>> Sent: vendredi 10 février 2012 15:46
>> To: Email discussion list for the FieldTrip project
>> Subject: Re: [FieldTrip] signal acquisition with Biosemi
>>
>> Hi Sophie
>>
>> Are you sure that the correct version of the biosemi2ft (so the one 
>> for the mac) is in the folder that you are specifying? Maybe you can 
>> try it first without the optional parameters, so just
>> ../fieldtrip/realtime/acquisition/biosemi/biosemi2ft
>>
>> Best, Marianne
>>
>> From: fieldtrip-bounces at donders.ru.nl 
>> <mailto:fieldtrip-bounces at donders.ru.nl><mailto:fieldtrip-bounces at donders.ru.nl> 
>> [mailto:fieldtrip-bounces at donders.ru.nl]<mailto:[mailto:fieldtrip-bounces at donders.ru.nl]> 
>> On Behalf Of Sophie ADAMA
>> Sent: vrijdag 10 februari 2012 14:54
>> To: 'Email discussion list for the FieldTrip project'
>> Subject: Re: [FieldTrip] signal acquisition with Biosemi
>>
>> Hi,
>>
>> I tried it on Windows too, and it works perfectly.
>>
>> But I'm a Mac girl ? and I will be happy if someone could help me.
>>
>> Thank you
>>
>>
>> From: fieldtrip-bounces at donders.ru.nl 
>> <mailto:fieldtrip-bounces at donders.ru.nl><mailto:fieldtrip-bounces at donders.ru.nl> 
>> [mailto:fieldtrip-bounces at donders.ru.nl]<mailto:[mailto:fieldtrip-bounces at donders.ru.nl]> 
>> On Behalf Of Hamza Fawzi Altakroury (Student)
>> Sent: vendredi 10 février 2012 06:26
>> To: Email discussion list for the FieldTrip project
>> Subject: Re: [FieldTrip] signal acquisition with Biosemi
>>
>> Hello,
>>
>> I tried the biosemi2tf.exe command it works well on Windows.
>>
>> But, unfortunately I don't know about the Mac OS.
>>
>> Best,
>>
>> Hamza
>> On Thu, Feb 9, 2012 at 9:37 PM, Sophie ADAMA <adama.sophie at gmail.com 
>> <mailto:adama.sophie at gmail.com><mailto:adama.sophie at gmail.com>> wrote:
>> Hi,
>>
>> Thanks for your response.
>>
>> I tried that but I get this: command not found. I am using Mac OS Lion.
>>
>> Any suggestions?
>>
>> Thanks
>>
>> Sophie
>> Le 09.02.12 17:56, Robert Oostenveld a écrit :
>> On behalf of Philip...
>>
>>
>> On 9 Feb 2012, at 15:31, Philip van den Broek wrote:
>>
>>
>> Dear Sophie and Hamza,
>>
>> The connection between the Biosemi Active2 system and the FieldTrip 
>> buffer is handled by interfacing software biosemi2ft (part of 
>> fieldtrip), and should be started from the terminal (mac) or command 
>> prompt (windows).
>>
>> The interfacing software is located in the FieldTrip folder: 
>> ../fieldtrip/realtime/acquisition/biosemi/biosemi2ft
>>
>> The BioSemi system needs a configuration (.cfg) file in which some 
>> acquisition-related settings are specified. Configuration files for 
>> the BioSemi system specify for example from how many channels data 
>> should be streamed and/or recorded, and whether the data should be 
>> downsampled. For more information about configuration files for 
>> different acquisition systems, see the Fieldtrip 
>> website<http://fieldtrip.fcdonders.nl/development/realtime/biosemi>.
>>
>> To start the buffer that connects to the Biosemi Active2, open the 
>> terminal (Mac) or command prompt (PC) and in the folder where you 
>> would like to save your data execute (change path according to your 
>> system and location of fieldtrip toolbox):
>>
>> ../fieldtrip/realtime/acquisition/biosemi/biosemi2ft <config_file> 
>> <gdf-file> <hostname> <port>
>>
>>
>>
>> <config_file>: configuration file
>>
>> <gdf-file>: base name of the gdf file. The suffix .gdf and session 
>> counters will be added automatically.
>>
>> <hostname>: optional, default is 'localhost', specify '-' to spawn a 
>> local buffer (recommended)
>>
>> <port>: optional, default is 1972
>>
>> an example:
>>
>> ../fieldtrip/realtime/acquisition/biosemi/biosemi2ft myconfig.cfg 
>> myfile - 1972
>>
>> Note that the manually specified name of the file will overwrite any 
>> existing file, so make sure myfile.gdf doesn't exist.
>> Once this is running, you get access to the data through the 
>> fieldtrip buffer filled with data by biosemi2ft, i.e., fieldtrip 
>> fileio functions give you access to the data:
>> ft_read_header('buffer://localhost:1972' 
>> <buffer://localhost:1972%27>), or
>> ft_read_data('buffer://localhost:1972','begsample',1,'endsample',100 
>> <buffer://localhost:1972%27,%27begsample%27,1,%27endsample%27,100>,........
>> For further information, see fieldtrip website.
>>
>> (more info on how we use the system at our department can be found 
>> here: 
>> http://www.nici.ru.nl/brainstream/twiki/bin/view/BrainStreamDocs/DocsSectionsInstallation)
>>
>> Hope this helps you to get things running in your place. If you have 
>> any further questions, just let me know.
>>
>> Best regards,
>>
>> Philip van den Broek
>> Radboud University Nijmegen
>> Donders Institute for Brain, Cognition and Behaviour
>> Centre for Cognition
>>
>> P.O. Box 9104, 6500 HE Nijmegen
>> Montessorilaan 3, 6525 HR Nijmegen
>> The Netherlands
>>
>>
>>
>> _______________________________________________
>>
>> fieldtrip mailing list
>>
>> fieldtrip at donders.ru.nl 
>> <mailto:fieldtrip at donders.ru.nl><mailto:fieldtrip at donders.ru.nl>
>>
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>>
>> _______________________________________________
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>>
>>
>>
>> --
>> Hamza Fawzi Altakroury
>> Graduate student - MA
>> Faculty of Engineering and Natural Sciences
>> Sabanc? University
>>
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>> Disclaimer
>> Vrijgave van de informatie verzonden met dit e-mail bericht is 
>> geaccordeerd door de ontvanger en/of zijn behandelend arts. 
>> Verstrekking van deze informatie is conform het Privacy reglement van 
>> de Sint Maartenskliniek. De informatie is uitsluitend bestemd voor de 
>> geadresseerde. Gebruik van deze informatie door anderen dan de 
>> geadresseerde is, zonder voorafgaande schriftelijke toestemming van 
>> de rechthebbende , verboden. De Sint Maartenskliniek staat niet in 
>> voor de juiste en volledige overbrenging van de inhoud van een 
>> gezonden e-mail, noch voor de ontvangst daarvan.
>>
>> Sint Maartenskliniek
>> Hengstdal 3,
>> 6574 NA Ubbergen (bij Nijmegen)
>> Telefoon 024-3659 911
>> Telefax 024-3659 204
>> KvK nummer 41055111
>>
>> _______________________________________________
>> fieldtrip mailing list
>> fieldtrip at donders.ru.nl
>> http://mailman.science.ru.nl/mailman/listinfo/fieldtrip
>
>
>
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