[Eeglablist] EEG_map

Thu Apr 6 10:16:20 PDT 2017

Hi Manousos,

Thank you for help,

I runed the topoplot command like this:

for i=1:3600
 h=figure
 topoplot(y, 'StandardCap19.ced');
 colormap(gray)
 saveas(h,['pic_in_' num2str(i,'%04d') '.png']);
 close all
end;

With the StandardCap19.ced file contain:

Number    labels    theta      radius     X       Y     Z    sph_theta     sph_phi    sph_radius
1           Fp2        18       0.511     0.95       -0.309    -0.0349    -18     -2      1
2           F4        39       0.333  0.673    -0.545    0.5       -39     30      1
3           C4        90        0.256     4.4e-17 -0.719    0.695     -90     44      1
4           P4         141       0.333    -0.673    -0.545    0.5      -141     30      1
5           F8        54       0.511     0.587    -0.809    -0.0349    -54     -2      1
6           P7      -126       0.511     -0.587    0.809      -0.0349    126     -2      1
7           T8        90       0.511    6.12e-17    -0.999    -0.0349    -90     -2      1
8           O2       162       0.511    -0.95      -0.309      -0.0349    -162     -2      1
9          Fp1       -18       0.511     0.95       0.309      -0.0349     18     -2      1
10           F3       -39       0.333     0.673    0.545       0.5        39     30      1
11           C3         -90       0.256     4.4e-17    0.719       0.695        90     44      1
12           P3       -141       0.333     -0.673    0.545       0.5       141     30      1
13           F7       -54       0.511     0.587    0.809       -0.0349     54     -2      1
14           P8       126       0.511     -0.587    -0.809    -0.0349    -126     -2      1
15           T7       -90       0.511     6.12e-17    0.999    -0.0349     90     -2      1
16           O1        -162       0.511     -0.95    0.309       -0.0349    162     -2      1

I have an error :

Error in topoplot (line 726)
    Values      = Values(plotchans);

Error in principal_test (line 2946)
 topoplot(y, 'StandardCap19.ced');

Index exceeds matrix dimensions.

I really don't know what to do?

Is any thing wrong?

best,
Ibti

----------------------------------------------------------
----------------------------------------------------------
Ibtissem KHOUAJA BENFRADJ
PhD in computer science
Speciality: Biomedical Signal Processing
Laboratory: LTIM, University of Monastir, Tunisia
http://www.labtim.org/accueil.php
Laboratory: LIGM, Univerisity of Paris-East, France
http://ligm.u-pem.fr/

________________________________
De : Manousos Klados <manousos.klados at tu-dresden.de>
Envoyé : mercredi 5 avril 2017 17:59:35
À : Ibtissem KHOUAJA
Cc : eeglablist at sccn.ucsd.edu
Objet : Re: [Eeglablist] EEG_map

Dear Ibti,

You can use this (assuming that you have the 128 imported in EEGLAB)

for i=1:3600
h=figure
topoplot(y, EEG.chanlocs);
colormap(gray)
saveas(h,['pic_in_' num2str(i,'%04d') '.png']);
close all
end;

I hope that it works...

Best
Manousos

Manousos A. Klados, PhD
Research and Teaching Fellow, Lifespan Developmental Neuroscience, Department of Psychology, Technical University Dresden

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2017-04-05 18:07 GMT+02:00 Ibtissem KHOUAJA <ibtissem.Khouaja at live.fr<mailto:ibtissem.Khouaja at live.fr>>:

Dear list,

I used a tempral  method to detect epileptic seizures from the CHB-MIT database.

The results are displayed as an index variable over the time.

In x, I have the time vector  (1: 3600 second)

In y, I have the index values for each EEG channel (128 channel)

I need to present my results differently.

I want to have a grayscale image for each moment and taking into account the names of channels.

Is there a solution to this problem ?

Thank you so much for help,

Best,
Ibti

----------------------------------------------------------
----------------------------------------------------------
Ibtissem KHOUAJA BENFRADJ
PhD in computer science
Speciality: Biomedical Signal Processing
Laboratory: LTIM, University of Monastir, Tunisia
http://www.labtim.org/accueil.php
Laboratory: LIGM, Univerisity of Paris-East, France
http://ligm.u-pem.fr/

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