[Eeglablist] FW: [EXTERNAL] JAVA exception while trying to import EGI/Philips MFF format file

Wed Feb 26 15:27:54 PST 2020

Hi Arno,

What method would work for you? Dropbox? I will create a small MFF file and post. I will send the link to your email, not the list I presume.

-Jeff

-----Original Message-----
From: Delorme, Arnaud <adelorme at ucsd.edu> 
Sent: Wednesday, February 26, 2020 11:39 AM
To: Eriksen, Jeff :LGS Neurodiagnostics <JEriksen at LHS.ORG>
Cc: eeglablist at sccn.ucsd.edu
Subject: Re: [Eeglablist] FW: [EXTERNAL] JAVA exception while trying to import EGI/Philips MFF format file

Dear Jeff,

Could you send us the data file?

Best wishes,

Arno

> On Feb 25, 2020, at 5:42 PM, Eriksen, Jeff :LGS Neurodiagnostics <JEriksen at LHS.ORG> wrote:
> 
> Hi again,
> 
> No one responded to my email of Feb 7. Any EGI/Philips MFF file format users out there?
> I am now using v3.0 of MFFMatlabIO, no improvement, same error.
> Thanks,
> 
> -Jeff
> 
> -----Original Message-----
> From: eeglablist <eeglablist-bounces at sccn.ucsd.edu> On Behalf Of 
> Eriksen, Jeff :LGS Neurodiagnostics
> Sent: Thursday, February 6, 2020 5:32 PM
> To: EEGLAB List <eeglablist at sccn.ucsd.edu>
> Subject: [EXTERNAL] [Eeglablist] JAVA exception while trying to import 
> EGI/Philips MFF format file
> 
> Hi,
> 
> I have not used EEGlab for several years. I am now using an older EGI NA200 system, 256 channels, running NetStation 4.3 to acquire data. I use another computer with NetStation 4.5 to convert the native files to MFF format. When I tried to import one of these using File:Import data:Using EEGLAB...:Import Philips .mff file, I get this message:
> 
> JAVA exception occurred
> [4 lines of JAVA details] (cannot copy and paste this text) Error 
> occurred in function mff_importevents() at line 62
> 
> And here is the command window output:
> 
> clear
> eeglab
> Some menus items hidden. Use Preference menu to show them all.
> eeglab: options file is C:\Users\jeriksen\eeg_options.m Retrieving plugin versions from server...
> Retreiving download statistics...
> EEGLAB: adding "ICLabel" v1.2.4 (see >> help eegplugin_iclabel) - new 
> version 1.1 available
> WARNING: for plugin "MFFMatlabIO" version in the folder name "2.01" 
> and in the eegplugin_ file "2.02" differ
> EEGLAB: adding "MFFMatlabIO" v2.01 (see >> help eegplugin_mffmatlabio) 
> - new version 3.0 available
> EEGLAB: adding "clean_rawdata" v2.0 (see >> help 
> eegplugin_clean_rawdata) - new version 2.1 available
> EEGLAB: adding "dipfit" v3.3 (see >> help eegplugin_dipfit)
> EEGLAB: adding "firfilt" v2.4 (see >> help eegplugin_firfilt) - new version 2.3 available You are using the latest version of EEGLAB.
> Make sure you call this function with the full MFF ressource path name 
> ****** Signal Block Version Number: 1 Signal Block Data Size: 4210688 
> Signal Block Header size. 2100 Number of Signals: 257 Signal Block 
> Samples: 4096 Sample Rate: 1000 Signal Depth: 32
> ---------------------------------
> Optional Header type: 1
> Optional Header number of blocks total: 170 Optional Header number of 
> Samples total: 693273 Optional Header number of Signals: 257
> ------------------------------------------
> eeg_checkset note: upper time limit (xmax) adjusted so (xmax-xmin)*srate+1 = number of frames Calibrating data...
> MFF Version: 3
> File's Recording Time: 2019-12-20T16:01:45.852000-08:00 Coordinate acquisition Time: 2006-04-28T15:32:00.000000-08:00 Coordinate acquisition Method: An Average of Many Data Sets Coordinate Layout Name: HydroCel GSN 256 1.0 Note for expert users: Nose direction is now set from '+Y' to default +X in EEG.chanlocs [Fatal Error] Events_DIN_1.xml:11:26: Invalid byte 1 of 1-byte UTF-8 sequence.
> 
> MFFRootDoc: error: org.xml.sax.SAXParseException; systemId: file:/D:/Research/StudyData/Sorg%202019_1220/Session%202019_1220_1522.mff/Events_DIN_1.xml; lineNumber: 11; columnNumber: 26; Invalid byte 1 of 1-byte UTF-8 sequence.
> 
> My JAVA heap is 2.013 MB.
> Matlab is v9.6/R2019a.
> EEGlab is v2019.1
> 
> Any suggestions on what I might do next to troubleshoot this problem?
> 
> -Jeff Eriksen
> 
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