problems importing elp files
Michael Wibral
wibral at MPIH-FRANKFURT.MPG.DE
Mon Nov 14 17:44:48 CET 2005
Dear List Users,
I'm trying to import some .avr files exported from BESA. However the
read_besa_avr function returns an error like this:
??? Error using ==> strrep
Cell elements must be character arrays.
Error in ==> fieldtrip-20051113\private\read_besa_avr at 61
avr.label = strrep(lbl.textdata(:,2) ,'''', '');
Error in ==> besa2fieldtrip at 44
tmp = read_besa_avr(filename);
My .elp files look like this:
EEG Fp1' -89.51 -74.20
EEG Fpz' 89.49 90.00
EEG Fp2' 89.51 74.20
EEG Nz' 108.96 90.00
EEG AF9' -113.26 -50.72
EEG AF7' -89.61 -55.88
EEG AF3' -73.15 -69.74
EEG AFz' 67.74 90.00
EEG AF4' 73.15 69.74
EEG AF8' 89.61 55.88
EEG AF10' 113.27 50.72
EEG F9' -113.98 -38.43
EEG F7' -89.65 -40.32
EEG F5' -72.42 -45.38
EEG F3' -58.13 -55.16
EEG F1' -49.40 -70.86
EEG Fz' 46.01 90.00
EEG F2' 49.40 70.86
EEG F4' 58.13 55.16
EEG F6' 72.42 45.38
EEG F8' 89.65 40.32
EEG F10' 113.98 38.43 (truncated...)
When I look into the intermediate output of lbl = importdata(elpfile)
inside the crashing function read_besa_avr, I get something like this
lbl =
data: [71x1 double]
textdata: {81x3 cell}
[1x23 char] [] []
[1x21 char] [] []
[1x21 char] [] []
[1x22 char] [] []
[1x24 char] [] []
[1x23 char] [] []
[1x23 char] [] []
[1x21 char] [] []
[1x21 char] [] []
[1x21 char] [] []
'EEG' 'AF10' '113.27'
'EEG' 'F9' '-113.98'
'EEG' 'F7' '-89.65'
'EEG' 'F5' '-72.42'
'EEG' 'F3' '-58.13'
'EEG' 'F1' '-49.40'
'EEG' 'Fz' '46.01'
'EEG' 'F2' '49.40'
'EEG' 'F4' '58.13'
'EEG' 'F6' '72.42'
'EEG' 'F8' '89.65'
'EEG' 'F10' '113.98'
'EEG' 'FT9' '-114.79'
'EEG' 'FT7' '-89.84'
'EEG' 'FC5' '-67.69'
'EEG' 'FC3' '-46.94' (truncated...)
Does anybody know what's wrong here?
Thank you very much for your help,
Michael Wibral
M. Wibral Dipl. Phys.
Max Planck Institute for Brain Research
Dept. Neurophysiology
Deutschordenstrasse 46
60528 Frankfurt am Main
Germany
Phone: +49(0)69/6301-83849
+49(0)173/4966728
Fax: +49(0)69/96769-327
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