[Eeglablist] unable to reject with pop_eegplot

[Mikołaj Magnuski]

Hey Bart,

I am not sure what causes your problem but there are couple of ways to
check :)

First of all - did you paste the entire error message? If not - please do,
it will help anybody to solve your problem.

pop_eegplot, as many other eeglab gui functions do not use function handles
in button callbacks but strings that are eval'ed whenever you press the
button.
It seems that somewhere (in some workspace where the callback is eval'ed)
there is no EEG variable (having precisely this name).

However, the fact that the presence of EEGlab saves you from this error is
informative in at least one way:
- EEGlab uses EEG as a global variable - that is, it can be acessed from
any workspace by first declaring:
global EEG

Could you check if declaring EEG as global solves the problem?

If not, another question:
- if you are not using eeg_plot in presence of EEGlab what is the context
that you use eeg_plot in? You mentioned command window, but how are your
data (EEG) loaded, what scripts/functions lead you to the point where the
error occurs?
2 gru 2013 21:35 "Bart Michiels" <MICHELSB at tcd.ie> napisał(a):

> Hey,
>
> I'm having troubles with the pop_eegplot function. I have continuous EEG
> component data that I want to plot with this function for manual artefact
> rejection.
> When I put the " pop_eegplot(EEG, 0, 1, 1)" in the command window the
> eegplot window opens and everything seems to work.
> However, when selecting a time frame and pressing on the reject button I
> get the following error:
>
> Undefined function or variable "EEG".
> Error while evaluating uicontrol Callback
>
> I debugged both the eegplot and pop_eegplot functions and it seems that
> there is no problem with those functions (as everything is functioning well
> until I press the "reject" button).
>
> The weird thing is that rejecting with pop_eegplot() in the command window
> of matlab screen is working when eeglab window is opened (and minimized).
>
> Can someone help me with this problem?
>
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