<div dir="ltr">Dear Liat,<div><br></div><div>I often noticed it too, but every time I saw it I suspected this should be an optical illusion due to the labels plotted off the center... sorry if I'm not getting what you mean.</div>

<div><br></div><div>Makoto</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Aug 21, 2014 at 2:29 AM, Liat <span dir="ltr"><<a href="mailto:l.levita@sheffield.ac.uk" target="_blank">l.levita@sheffield.ac.uk</a>></span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div style="word-wrap:break-word">Hello dear all, </div><div style="word-wrap:break-word">

<br></div><div style="word-wrap:break-word">I have seen a few posts about issues importing Biosemi Channel coordinates to EEGLab. Following another post, I have made some progress in doing this (created a .txt file to upload locations, which I hope is correct)</div>

<div style="word-wrap:break-word"><span style="font-size:10pt;font-family:Courier;color:blue"><br></span></div><div style="word-wrap:break-word"><span>Method used: </span></div><div style="word-wrap:break-word"><span><br>

</span></div><div style="word-wrap:break-word"><span><b>1.</b> Typed following command </span></div><div style="word-wrap:break-word"><span><br></span></div><div style="word-wrap:break-word"><font face="Arial"><b><span style="color:blue"> </span><span style="color:blue">pop_chanedit(readlocs('biosemi_eloc.txt', 'format', { 'labels' 'sph_theta_besa' 'sph_phi_besa' }, 'skiplines', 1))</span></b></font><span style="color:blue;font-family:Courier;font-size:10pt">  </span></div>

<div style="word-wrap:break-word"><i><span style="font-family:'Times New Roman'"><br></span></i></div><div style="word-wrap:break-word"><i><font face="Times New Roman">'biosemi_eloc.txt’ – File containing biosemi coordinates and electrode locations names - at end of message pasted in what is in that text file.</font></i></div>

<div style="word-wrap:break-word"><p><span><b>2.</b> A pop_chanedit() GUI will come up – press </span><b>Okay</b></p><p><span lang="EN-US"><b>3. </b><span style="font-family:'Times New Roman';font-size:7pt"> </span></span><span lang="EN-US">A pop_chanedit() GUI will come up – which now contain the Biosemi coordinate space (as specified in the text file). Now you can save this information as a  .ced file (also attached), which I can be used to edit the location channels more easily in the future.</span></p>

</div><div style="word-wrap:break-word">However,  but when I plot (2D) I can see some channel locations off the model head, most look okay, but some seem to be to be positioned to much to left (out of the head), even though CZ does seem to be in the middle. How does one fix this? and is this a real problem? The 3D looks okay.</div>

<div style="word-wrap:break-word"><br></div><div style="word-wrap:break-word">Thank you for your help in advance, </div><div style="word-wrap:break-word"><br></div><div style="word-wrap:break-word">Liat</div><div style="word-wrap:break-word">

<br></div><div style="word-wrap:break-word">PS.</div><div style="word-wrap:break-word"><i><font face="Times New Roman"><br></font></i></div><div style="word-wrap:break-word"><i><font face="Times New Roman">biosemi_eloc.txt’</font></i></div>

<div style="word-wrap:break-word"><div style="word-wrap:break-word">Electrode<span style="white-space:pre-wrap">        </span>_<span style="white-space:pre-wrap">       </span>_</div><div style="word-wrap:break-word">Fp1<span style="white-space:pre-wrap">      </span>-92<span style="white-space:pre-wrap">     </span>-72</div>

<div style="word-wrap:break-word">AF7<span style="white-space:pre-wrap">        </span>-92<span style="white-space:pre-wrap">     </span>-54</div><div style="word-wrap:break-word">AF3<span style="white-space:pre-wrap">    </span>-74<span style="white-space:pre-wrap">     </span>-65</div>

<div style="word-wrap:break-word">F1<span style="white-space:pre-wrap"> </span>-50<span style="white-space:pre-wrap">     </span>-68</div><div style="word-wrap:break-word">F3<span style="white-space:pre-wrap">     </span>-60<span style="white-space:pre-wrap">     </span>-51</div>

<div style="word-wrap:break-word">F5<span style="white-space:pre-wrap"> </span>-75<span style="white-space:pre-wrap">     </span>-41</div><div style="word-wrap:break-word">F7<span style="white-space:pre-wrap">     </span>-92<span style="white-space:pre-wrap">     </span>-36</div>

<div style="word-wrap:break-word">FT7<span style="white-space:pre-wrap">        </span>-92<span style="white-space:pre-wrap">     </span>-18</div><div style="word-wrap:break-word">FC5<span style="white-space:pre-wrap">    </span>-72<span style="white-space:pre-wrap">     </span>-21</div>

<div style="word-wrap:break-word">FC3<span style="white-space:pre-wrap">        </span>-50<span style="white-space:pre-wrap">     </span>-28</div><div style="word-wrap:break-word">FC1<span style="white-space:pre-wrap">    </span>-32<span style="white-space:pre-wrap">     </span>-45</div>

<div style="word-wrap:break-word">C1<span style="white-space:pre-wrap"> </span>-23<span style="white-space:pre-wrap">     </span>0</div><div style="word-wrap:break-word">C3<span style="white-space:pre-wrap">       </span>-46<span style="white-space:pre-wrap">     </span>0</div>

<div style="word-wrap:break-word">C5<span style="white-space:pre-wrap"> </span>-69<span style="white-space:pre-wrap">     </span>0</div><div style="word-wrap:break-word">T7<span style="white-space:pre-wrap">       </span>-92<span style="white-space:pre-wrap">     </span>0</div>

<div style="word-wrap:break-word">TP7<span style="white-space:pre-wrap">        </span>-92<span style="white-space:pre-wrap">     </span>18</div><div style="word-wrap:break-word">CP5<span style="white-space:pre-wrap">     </span>-72<span style="white-space:pre-wrap">     </span>21</div>

<div style="word-wrap:break-word">CP3<span style="white-space:pre-wrap">        </span>-50<span style="white-space:pre-wrap">     </span>28</div><div style="word-wrap:break-word">CP1<span style="white-space:pre-wrap">     </span>-32<span style="white-space:pre-wrap">     </span>45</div>

<div style="word-wrap:break-word">P1<span style="white-space:pre-wrap"> </span>-50<span style="white-space:pre-wrap">     </span>68</div><div style="word-wrap:break-word">P3<span style="white-space:pre-wrap">      </span>-60<span style="white-space:pre-wrap">     </span>51</div>

<div style="word-wrap:break-word">P5<span style="white-space:pre-wrap"> </span>-75<span style="white-space:pre-wrap">     </span>41</div><div style="word-wrap:break-word">P7<span style="white-space:pre-wrap">      </span>-92<span style="white-space:pre-wrap">     </span>36</div>

<div style="word-wrap:break-word">P9<span style="white-space:pre-wrap"> </span>-115<span style="white-space:pre-wrap">    </span>36</div><div style="word-wrap:break-word">PO7<span style="white-space:pre-wrap">     </span>-92<span style="white-space:pre-wrap">     </span>54</div>

<div style="word-wrap:break-word">PO3<span style="white-space:pre-wrap">        </span>-74<span style="white-space:pre-wrap">     </span>65</div><div style="word-wrap:break-word">O1<span style="white-space:pre-wrap">      </span>-92<span style="white-space:pre-wrap">     </span>72</div>

<div style="word-wrap:break-word">Iz (inion)<span style="white-space:pre-wrap"> </span>115<span style="white-space:pre-wrap">     </span>-90</div><div style="word-wrap:break-word">Oz<span style="white-space:pre-wrap">     </span>92<span style="white-space:pre-wrap">      </span>-90</div>

<div style="word-wrap:break-word">POz<span style="white-space:pre-wrap">        </span>69<span style="white-space:pre-wrap">      </span>-90</div><div style="word-wrap:break-word">Pz<span style="white-space:pre-wrap">     </span>46<span style="white-space:pre-wrap">      </span>-90</div>

<div style="word-wrap:break-word">CPz<span style="white-space:pre-wrap">        </span>23<span style="white-space:pre-wrap">      </span>-90</div><div style="word-wrap:break-word">Fpz<span style="white-space:pre-wrap">    </span>92<span style="white-space:pre-wrap">      </span>90</div>

<div style="word-wrap:break-word">Fp2<span style="white-space:pre-wrap">        </span>92<span style="white-space:pre-wrap">      </span>72</div><div style="word-wrap:break-word">AF8<span style="white-space:pre-wrap">     </span>92<span style="white-space:pre-wrap">      </span>54</div>

<div style="word-wrap:break-word">AF4<span style="white-space:pre-wrap">        </span>74<span style="white-space:pre-wrap">      </span>65</div><div style="word-wrap:break-word">Afz<span style="white-space:pre-wrap">     </span>69<span style="white-space:pre-wrap">      </span>90</div>

<div style="word-wrap:break-word">Fz<span style="white-space:pre-wrap"> </span>46<span style="white-space:pre-wrap">      </span>90</div><div style="word-wrap:break-word">F2<span style="white-space:pre-wrap">      </span>50<span style="white-space:pre-wrap">      </span>68</div>

<div style="word-wrap:break-word">F4<span style="white-space:pre-wrap"> </span>60<span style="white-space:pre-wrap">      </span>51</div><div style="word-wrap:break-word">F6<span style="white-space:pre-wrap">      </span>75<span style="white-space:pre-wrap">      </span>41</div>

<div style="word-wrap:break-word">F8<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap">      </span>36</div><div style="word-wrap:break-word">FT8<span style="white-space:pre-wrap">     </span>92<span style="white-space:pre-wrap">      </span>18</div>

<div style="word-wrap:break-word">FC6<span style="white-space:pre-wrap">        </span>72<span style="white-space:pre-wrap">      </span>21</div><div style="word-wrap:break-word">FC4<span style="white-space:pre-wrap">     </span>50<span style="white-space:pre-wrap">      </span>28</div>

<div style="word-wrap:break-word">FC2<span style="white-space:pre-wrap">        </span>32<span style="white-space:pre-wrap">      </span>45</div><div style="word-wrap:break-word">FCz<span style="white-space:pre-wrap">     </span>23<span style="white-space:pre-wrap">      </span>90</div>

<div style="word-wrap:break-word">Cz<span style="white-space:pre-wrap"> </span>0<span style="white-space:pre-wrap">       </span>0</div><div style="word-wrap:break-word">C2<span style="white-space:pre-wrap">       </span>23<span style="white-space:pre-wrap">      </span>0</div>

<div style="word-wrap:break-word">C4<span style="white-space:pre-wrap"> </span>46<span style="white-space:pre-wrap">      </span>0</div><div style="word-wrap:break-word">C6<span style="white-space:pre-wrap">       </span>69<span style="white-space:pre-wrap">      </span>0</div>

<div style="word-wrap:break-word">T8<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap">      </span>0</div><div style="word-wrap:break-word">TP8<span style="white-space:pre-wrap">      </span>92<span style="white-space:pre-wrap">      </span>-18</div>

<div style="word-wrap:break-word">CP6<span style="white-space:pre-wrap">        </span>72<span style="white-space:pre-wrap">      </span>-21</div><div style="word-wrap:break-word">CP4<span style="white-space:pre-wrap">    </span>50<span style="white-space:pre-wrap">      </span>-28</div>

<div style="word-wrap:break-word">CP2<span style="white-space:pre-wrap">        </span>32<span style="white-space:pre-wrap">      </span>-45</div><div style="word-wrap:break-word">P2<span style="white-space:pre-wrap">     </span>50<span style="white-space:pre-wrap">      </span>-68</div>

<div style="word-wrap:break-word">P4<span style="white-space:pre-wrap"> </span>60<span style="white-space:pre-wrap">      </span>-51</div><div style="word-wrap:break-word">P6<span style="white-space:pre-wrap">     </span>75<span style="white-space:pre-wrap">      </span>-41</div>

<div style="word-wrap:break-word">P8<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap">      </span>-36</div><div style="word-wrap:break-word">P10<span style="white-space:pre-wrap">    </span>115<span style="white-space:pre-wrap">     </span>36</div>

<div style="word-wrap:break-word">PO8<span style="white-space:pre-wrap">        </span>92<span style="white-space:pre-wrap">      </span>-54</div><div style="word-wrap:break-word">PO4<span style="white-space:pre-wrap">    </span>74<span style="white-space:pre-wrap">      </span>-65</div>

<div style="word-wrap:break-word">O2<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap">      </span>-72</div></div></div><br>_______________________________________________<br>
Eeglablist page: <a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" target="_blank">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>
To unsubscribe, send an empty email to <a href="mailto:eeglablist-unsubscribe@sccn.ucsd.edu">eeglablist-unsubscribe@sccn.ucsd.edu</a><br>
For digest mode, send an email with the subject "set digest mime" to <a href="mailto:eeglablist-request@sccn.ucsd.edu">eeglablist-request@sccn.ucsd.edu</a><br></blockquote></div><br><br clear="all"><div><br></div>

-- <br><div dir="ltr">Makoto Miyakoshi<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<br></div>
</div>