[Eeglablist] Problems with reading sensor positions for EGI's Hydrocell 128 Net

wei he hewei12 at hotmail.com
Mon May 3 15:26:46 PDT 2010

>From the coordinates of first three channels you provided, they look wrong. Use the attached file. Please ignore the first 3 rows as they are for BESA use.

> Date: Mon, 3 May 2010 14:10:09 +0200
> From: schwiedrzik at mpih-frankfurt.mpg.de
> To: eeglablist at sccn.ucsd.edu
> Subject: [Eeglablist] Problems with reading sensor positions for EGI's	Hydrocell 128 Net
> Dear all,
> I am trying to read in the sensor positions for EGI's Hydrocell 128
> Net. I have an SFP file that was provided by EGI (Hydrocel GSN 128
> 10.sfp).
> It has the following structure:
> E1      6.60688      6.30230     -2.94229
> E2      6.04082      7.65872     0.350950
> E3      4.41106      8.71481      3.50199
> When I read it in in EEGlab, all sensor positions seem to be rotated
> by 90 degrees.
> Unfortunately, I didn't find any other file on the EGI FTP server.
> I guess somebody must have solved this problem. Any hints how to read
> in the sensor positions properly or anyone with another file that
> works?
> Thanks and kind regards,
> Caspar M. Schwiedrzik
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