<html>
<head>
<style><!--
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
font-size: 10pt;
font-family:Tahoma
}
--></style>
</head>
<body class='hmmessage'><div dir='ltr'>
Hi Jim,<br><br>Try :<br>cfg.neighbourdist = 0.03;<br>I found it good for my data. (When you run the function the channels that repaired your data is displayed in the command window).<br><br>Good luck!<br>Odelia.<br><br><br><div><hr id="stopSpelling">Date: Thu, 30 Jun 2011 01:05:08 -0500<br>From: megjim1@gmail.com<br>To: fieldtrip@donders.ru.nl<br>Subject: [FieldTrip] channelrepair issue<br><br><div>Dear all,</div>
<div> </div>
<div>We have 4D's WH3600 MEG system (248 channels) and we found the </div>
<div>-----------------</div>
<div><font face="Courier New" size="2"><font face="Courier New" size="2">
cfg = [];<BR>
cfg.dataset = <BR></font></font><font color="#a020f0" face="Courier New" size="2"><font color="#a020f0" face="Courier New" size="2"><font color="#a020f0" face="Courier New" size="2">'e,rfhp0.1Hz'</font></font></font><font face="Courier New" size="2"><font face="Courier New" size="2">; </font></font>
<font face="Courier New" size="2"><font face="Courier New" size="2">cfg.trialdef.eventtype = </font></font><font color="#a020f0" face="Courier New" size="2"><font color="#a020f0" face="Courier New" size="2"><font color="#a020f0" face="Courier New" size="2">'TRIGGER'</font></font></font><font face="Courier New" size="2"><font face="Courier New" size="2">;</font></font><BR>
cfg.trialdef.eventvalue = <font color="#228b22" face="Courier New" size="2"><font color="#228b22" face="Courier New" size="2"><font color="#228b22" face="Courier New" size="2">320; </font></font></font><BR>
<font face="Courier New" size="2"><font face="Courier New" size="2">cfg.trialdef.prestim = 1</font></font><font color="#228b22" face="Courier New" size="2"><font color="#228b22" face="Courier New" size="2"><font color="#228b22" face="Courier New" size="2">;</font></font></font><BR>
<font face="Courier New" size="2"><font face="Courier New" size="2">
cfg.trialdef.poststim = 1<BR></font></font><font color="#228b22" face="Courier New" size="2"><font color="#228b22" face="Courier New" size="2"><font color="#228b22" face="Courier New" size="2">;</font></font></font><font face="Courier New" size="2"><font face="Courier New" size="2">
cfg = ft_definetrial(cfg);<BR>
cfg.blc = <BR></font></font><font color="#a020f0" face="Courier New" size="2"><font color="#a020f0" face="Courier New" size="2"><font color="#a020f0" face="Courier New" size="2">'yes'</font></font></font><font face="Courier New" size="2"><font face="Courier New" size="2">; </font></font>
<font face="Courier New" size="2"><font face="Courier New" size="2">cfg.blcwindow = [-1 0];</font></font><BR>
cfg.channel = {<font color="#a020f0" face="Courier New" size="2"><font color="#a020f0" face="Courier New" size="2"><font color="#a020f0" face="Courier New" size="2">'MEG'</font></font></font><font face="Courier New" size="2"><font face="Courier New" size="2">};</font></font><BR>
raw_DATA = ft_preprocessing(cfg);<BR>
raw_DATA.grad = ft_convert_units(raw_DATA.grad, <font color="#a020f0" face="Courier New" size="2"><font color="#a020f0" face="Courier New" size="2"><font color="#a020f0" face="Courier New" size="2">'cm'</font></font></font><font face="Courier New" size="2"><font face="Courier New" size="2">)</font></font><BR>
</div>
<div> </div>
<div>cfg = [];<br>cfg.badchannel = {'A234'};<br>[raw_DATA] = ft_channelrepair(cfg, raw_DATA)<br>the input is raw data with 248 channels and 201 trials<br>repairing channel A234<br> using neighbour A121<br> using neighbour A143<br>
using neighbour A154<br> using neighbour A173<br> using neighbour A224<br> using neighbour A8<br> using neighbour A91<br>repairing bad channels for trial 1<br>repairing bad channels for trial 2<br>repairing bad channels for trial 3</div>
<div>...</div>
<div>------------------------------------</div>
<div> </div>
<div>But channels like A121 and A143 are far away from the bad channel A234. How can they be used as neighbours (i.e. within 4cm, the default value for cfg.neighbourdist) for this bad channel?</div>
<div> </div>
<div>Any suggestions?</div>
<div> </div>
<div>Thanks a lot.</div>
<div> </div>
<div>Jim</div>
<br>_______________________________________________
fieldtrip mailing list
fieldtrip@donders.ru.nl
http://mailman.science.ru.nl/mailman/listinfo/fieldtrip</div> </div></body>
</html>