[FieldTrip] correct use of ft_read_data

[Raquel Bibi]

Have you tried to use ft_read_event?  Take a look at trialfun_general it will help you understand how to read in your events. 

Best,

Raquel
Sent from my iPhone

On Oct 6, 2012, at 11:37 AM, Steph <veganathlete at ymail.com> wrote:

> Dear Fieldtrippers,
> 
> could you help me make ft_read_data work?
> 
> the data is a <34x48128 double>.
> 
> the header looks like this:
> 
> h =
>         nChans: 34
>       nSamples: 48128
>    nSamplesPre: 0
>        nTrials: 1
>             Fs: 512
>          label: {34x1 cell}
>           orig: [1x1 struct]
>       chantype: {34x1 cell}
>       chanunit: {34x1 cell}
> 
> I want to read one channel to define the trials in my trialfunction.
> 
> t=ft_read_data(cfg.dataset,'header',h,'chanindx',17)
> 
> Attempted to access dat(17,:); index out of bounds
> because size(dat)=[1,48128].
> 
> Error in ft_read_data (line 294)
>      dat(i,:) = dat(i,:).*
>      parameters.SourceChGain.NumericValue(i) +
>      parameters.SourceChOffset.NumericValue(i);
> 
> Best
> Steph
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