<div dir="ltr">Dear Eelke,<div><br></div><div>I've tried it with the painters, zbuffer, and opengl, using Matlab 2011a and 2013a (giving me the 'not yet supported'-error), with the same results. I think I'll try it at home, later, and if that fails, I'll get the ICT-people to reinstall the whole thing.</div>
<div><br></div><div>Thanks!</div><div><br></div><div>Casper</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Nov 22, 2013 at 4:40 PM, Eelke Spaak <span dir="ltr"><<a href="mailto:eelke.spaak@donders.ru.nl" target="_blank">eelke.spaak@donders.ru.nl</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear Casper,<br>
<br>
See attached the plots I get when running your script (on<br>
Windows/Linux Matlab 2011b/2012a). They seem quite OK to me, so I<br>
suspect the issue is in your Matlab installation and/or system (e.g.<br>
video drivers).<br>
<br>
One thing that could possibly help (though I would not understand why<br>
exactly) is to change the renderer, by trying out all three options<br>
for cfg.renderer = 'painters'/'zbuffer'/'opengl'. Or maybe you could<br>
try running another Matlab version?<br>
<br>
Sorry this is not more helpful, good luck figuring it out!<br>
<br>
Best,<br>
Eelke<br>
<div class="HOEnZb"><div class="h5"><br>
On 22 November 2013 13:36, Casper van Heck <<a href="mailto:caspervanheck@gmail.com">caspervanheck@gmail.com</a>> wrote:<br>
> Dear Eelke,<br>
><br>
> I was busy with some other stuff, and just now revisited the analysis. Even<br>
> with a newer version of Fieldtrip, this is still happening, and I still do<br>
> not know why...<br>
> Have you had time to take a look at it?<br>
><br>
> Sincerely,<br>
><br>
> Casper<br>
><br>
><br>
> On Thu, Sep 26, 2013 at 12:43 PM, Casper van Heck <<a href="mailto:caspervanheck@gmail.com">caspervanheck@gmail.com</a>><br>
> wrote:<br>
>><br>
>> Dear Eelke,<br>
>><br>
>> I've put up an exerpt of my code, with the data from a single subject<br>
>> (no.10, 9MB) in a separate folder here.<br>
>> It also includes a screenshot of what I see with when I run the code with<br>
>> this exact dataset, and a small program 'filehandler', which I've been to<br>
>> lazy to replace.<br>
>><br>
>> Note that this specific subject only has about 60 seconds of data (and I'm<br>
>> still waiting for the student to tell me why).<br>
>><br>
>> I'm hoping you'll get the same result as the screenshot, and you'll be<br>
>> able to tell me why...<br>
>><br>
>> Best regards,<br>
>><br>
>> Casper<br>
>><br>
>><br>
>> On Wed, Sep 18, 2013 at 1:25 PM, Eelke Spaak <<a href="mailto:eelke.spaak@donders.ru.nl">eelke.spaak@donders.ru.nl</a>><br>
>> wrote:<br>
>>><br>
>>> Dear Casper,<br>
>>><br>
>>> Could you maybe post a snippet online somewhere (e.g. dropbox) of data<br>
>>> corresponding to this plot (i.e. the output of ft_freqanalysis that<br>
>>> you input to ft_singleplotTFR, assuming that it's averaged over trials<br>
>>> and therefore small)? Then we can see whether this is reproducable on<br>
>>> our systems.<br>
>>><br>
>>> Best,<br>
>>> Eelke<br>
>>><br>
>>> On 16 September 2013 17:12, Casper van Heck <<a href="mailto:caspervanheck@gmail.com">caspervanheck@gmail.com</a>><br>
>>> wrote:<br>
>>> > Dear Fieldtrippers,<br>
>>> ><br>
>>> > I've been doing some exploratory plotting of a dataset where several<br>
>>> > subjects were exposed to a continuous stimulus (CPM) over the course of<br>
>>> > three minutes. One of the things that was asked was a time-frequency<br>
>>> > plot,<br>
>>> > over those three minutes. While I'm not quite sure a TFR can be used on<br>
>>> > that<br>
>>> > scale without problems, I went ahead with it just to see what Fieldtrip<br>
>>> > would do. What I got, was this:<br>
>>> > <a href="http://tinypic.com/r/zx2tqs/5|" target="_blank">http://tinypic.com/r/zx2tqs/5|</a><br>
>>> > And I have no idea what went wrong (note that this specific subject<br>
>>> > only got<br>
>>> > a 60s stimulus). Quality of the picture and the validity of the<br>
>>> > analysis<br>
>>> > aside, I have a severe problem with the axes, which seem to be all over<br>
>>> > the<br>
>>> > place.<br>
>>> ><br>
>>> > I simply read the data using ft_preprocessing (no filters or anything,<br>
>>> > since<br>
>>> > the student in charge already used a 10Hz high-pass and a 150Hz<br>
>>> > low-pass<br>
>>> > filter).<br>
>>> > The only field in 'cfg' is 'headerfile'.<br>
>>> ><br>
>>> > Next, I call ft_freqanalysis with:<br>
>>> > cfg.output = 'pow';<br>
>>> > cfg.method = 'wavelet'; % default; Morlet wavelet<br>
>>> > cfg.taper = 'hanning';<br>
>>> > cfg.tapsmofrq = 4;<br>
>>> > cfg.channel = 'Cz';<br>
>>> > cfg.foi = [20:0.5:30];<br>
>>> > cfg.t_ftimwin = ones(length(cfg.foi),1).*0.25;<br>
>>> > cfg.toi = 0:0.5:60;<br>
>>> ><br>
>>> > And finally, I end up with the monstrocity shown earlier. This problem<br>
>>> > only<br>
>>> > presents itself with Fieldtrip-related functions, the normal<br>
>>> > Matlab-plots<br>
>>> > work as well as they've ever done, so I'm thinking it's something in<br>
>>> > Fieldtrip that's causing this.<br>
>>> ><br>
>>> > My hope is that someone has encountered this problem before, and knows<br>
>>> > how<br>
>>> > to solve it...<br>
>>> ><br>
>>> > Sincerely,<br>
>>> ><br>
>>> > Casper<br>
>>> ><br>
>>> ><br>
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><br>
><br>
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