[Eeglablist] headplot.m and 2014b -- can't seem to plot a head

[Tarik S Bel-Bahar]

Hello Nick, there may be a problem with that example, feel free to report
it on eeglab bugzilla. The steps below take 5 minutes and give you a
headplot with sample data you can find in your full eeglab folder. As
usual, googling eeglablist and reviewing the eeglab tutorial for your
topics can be helpful.



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The headplot requires co-registration of the correct channels with the
head, for the currently loaded file. The loaded data also needs to be
epoched data, I believe.

If you haven't had chance to yet, review the following pages and similar
pages: https://sccn.ucsd.edu/wiki/Chapter_06:_Data_Averaging
This shows you how to make plots with tutorial data, an important step.

To get 3d headplots now quickly and easily, do the following steps:

Go to the "sample data" folder in your eeglab folder.
Load the file "eeglab_data_epochs_ica.set"
In case you haven't tried the full tutorial yet, this file is used in the
online eeglab tutorial pages.

Then try either of the following from the GUI
Plot > Erp Map Series > 3D
Then go to Plot > Components > 3D

You need to specify a specific time or a specific component in the
respective gui window. But leave everything else with defaults.
In both cases (ERPS or Components) you should see a Tailarach
transformation matrix already in the GUI window that pops up. You can click
Manual registration if you want to show yourself that the electrode
locations are properly co-registered with the head (they are).
This is the transformation matrix that should be in there:
-0.355789     -6.33688      12.3705    0.0533239    0.0187461     -1.55264
     1.06367     0.987721     0.932694

Then click OK, and a "example" figure should pop up! Yes ?

*Remember to check google eeglablist and check the online tutorial for your
topics of interest.
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