<div><font color="#333399">Hi Steve,</font></div><div><font color="#333399">I runed topoplot command like this:</font></div><div><font color="#ff0000">yyy=[1:1:64];</font></div><div><font color="#ff0000">topoplot(yyy,'PE_loc.txt','electrodes','labels')</font> <font color="#ff0000">;</font></div><div><font color="#333399">and recieved following error message:</font></div><div><font color="#ff0000">readlocs(): '' format assumed from file extension<br>readlocs() warning: More columns in the input than expected.<br> See >> help readlocs<br>Undefined function or variable "eloc".</font></div><div><font color="#ff0000">Error in readlocs (line 458)<br> if isfield(eloc, 'sph_theta_besa')</font></div><div><font color="#ff0000">Error in topoplot (line 640)<br> [tmpeloc labels Th Rd indices] = readlocs( loc_file);</font></div><div><div><font color="#333399">The PE_loc.txt was exported by <em>Edit-Channel locations-Save(Other types)</em> of EEGLAB. I checked the PE_loc.txt and be sure that it's channel corresponding to my data.</font><br></div><div><font color="#333399">Is anything wrong?</font></div><div><font color="#333399"></font> </div><div><font color="#333399">Best.</font></div><div><font color="#333399">Jianrong</font><br></div><div style="padding: 2px 0px; font-family: Arial Narrow; font-size: 12px;">------------------ Original ------------------</div><div style="background: rgb(239, 239, 239); padding: 8px; font-size: 12px;"><div><b>From: </b> "Stephen Politzer-Ahles"<politzerahless@gmail.com>;</div><div><b>Date: </b> Tue, Apr 2, 2013 03:51 AM</div><div><b>To: </b> "Jianrong Jia"<jianrongjia@hotmail.com>; <wbr></div><div><b>Cc: </b> "eeglablist"<eeglablist@sccn.ucsd.edu>; <wbr></div><div><b>Subject: </b> Re: [Eeglablist] how to draw map figures using averaged data</div></div><div><br></div><div dir="ltr"><div>Hello Jianrong,<br><br></div>Once you've imported the data into EEGLAB, you can use the topoplot() function to draw topographic maps of a particular time point, or an average over multiple timepoints.. See the topoplot() help information for more details and examples.<br>
<br>Best,<br>Steve<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, Mar 30, 2013 at 11:08 AM, Jianrong Jia <span dir="ltr"><<a href="mailto:jianrongjia@hotmail.com" target="_blank">jianrongjia@hotmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;"><div><font color="#333399">Dear all</font></div><div><font color="#333399">I have a grand averaged data has been exported by Analyzer 2(Brain Products Corp.). It is only one second. How can i draw maps using this data.</font></div>
<span class="HOEnZb"><font color="#888888"><div><br></div><div><font color="#333399">Jianrong</font></div><div></div><div> </div></font></span><br>_______________________________________________<br>
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