[FieldTrip] processing ANT cnt files with FieldTrip

[Raquel Bibi]

Arno & Dave,
In 2010, ANT made their importer code open source, it can be downloaded at
http://libeep.sourceforge.net.  I hope this helps!

Best,

On Tue, Dec 18, 2012 at 3:44 PM, Arnaud Delorme <arno at cerco.ups-tlse.fr>wrote:

> This is because ANT did not compile their program for your platform.
> There is nothing you can do about (except maybe contact ANT so they
> compile it for your machine).
> Import your data on a different machine. Then you can process it on your
> machine.
> Best,
>
> Arno
> --
> Arnaud Delorme, PhD
> Centre de Recherche Cerveau et Cognition - UMR 5549
> Pavillon Baudot, Hopital Purpan, BP 25202
> 31052 Toulouse Cedex, France
>
> On 18 Dec 2012, at 11:18, Dave Britton wrote:
>
> > Thanks, Arno,
> > I've installed the ant-eep import files into the EEGLAB plugin
> directory, but EEGLAB gives me the same error message as I got with
> FieldTrip:
> >
> > EEGLAB error in function loadeep() at line 75
> > Invalid MEX-file
> '/home/dave/eeglab11_0_4_3b/plugins/anteeimport1.08/read_eep_cnt.mexa64':
> libeep.so.3:cannot open shared object file:No such file or directory
> >
> > The libeep.so.3 file is copied into the same directory as the
> read_eep_cnt.mexa64 file.
> >
> > Do you have any suggestions?
> > -Dave
> >
> >
> > On 12/18/2012 12:38 PM, Arnaud Delorme wrote:
> >> Dear Dave,
> >>
> >> last time I have checked FileIO (the Fieldtrip data importer) will not
> read ANT trigger files by default (it should read the raw data though -
> Robert Oostenveld one of the main developer of Fieldtrip was interning at
> ANT about 10 years ago and wrote the Matlab import function for them).
> >> The anteepimport1.09 is a plugin for the EEGLAB software. It can import
> events (and then you can save the data in EEGLAB format and reload it in
> Fieldtrip). You cannot recompile the ANT project (their source files are
> proprietary and not included).
> >>
> >> Hope this helps.
> >> Best wishes,
> >>
> >> Arno
> >>
> >> On 18 Dec 2012, at 08:59, Dave Britton wrote:
> >>
> >>> I am trying to process EEG data in .cnt files obtained from the ANT
> system. I am using a Linux Xubuntu 12.04 amd64 operating system. I have
> installed the Linux 64 bit version of FieldTrip.
> >>>
> >>> What is required to successfully process ANT eeg .cnt and .trg files?
> The libraries that came with the FieldTrip download did not work as it came
> from the download, and my investigations led me to what should be the
> latest version of the ANT import library. I have downloaded the latest ANT
> eep library, anteepimport1.09/libeep-3.3.167, and run config, make and make
> install, successfully, but MATLAB cannot find the shared object file it
> should generate, even when I link the .so.3 file into the same directory as
> the MATLAB m-file and the MATLAB current directory.
> >>>
> >>> Initially the system was unable to read the cnt files, which is why I
> attempted to reinstall the anteepimort library. Is there more to this
> installation than the standard" configure, make, make install" process? Any
> clues would be appreciated!
> >>>
> >>> Dave Britton
> >>> City College of New York
> >>> Psychology Dept.
> >>>
> >>> Here is the error message I get:
> >>>
> >>>>> cfg.headerfile =
> '/home/dave/semanticflanker/data/ANT/20121114_1013.cnt';
> >>>>> cfg.hdr = ft_read_header(cfg.headerfile);
> >>> Invalid MEX-file
> >>>
> '/home/dave/fieldtrip-20121102/anteepimport1.09/libeep-3.3.167/mex/matlab/read_eep_cnt.mexa64':
> >>> libeep.so.3: cannot open shared object file: No such file or directory
> >>>
> >>> Error in ft_read_header (line 627)
> >>> hdr = read_eep_cnt(filename, 1, 1);
> >>>
> >>>
> >
> > _______________________________________________
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> > fieldtrip at donders.ru.nl
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>
>
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