[FieldTrip] Potential bug in trl

[Davide Rivolta]

Thanks Michael,

 I wrote my own trialfun.

 The offset would be negative and would have the same lenght of difference
between endsample-begsample. This, for each trial, would have a different
value.

It can be a bug. In fact, I tried to vhange the trialfun by leaving the same
begsample and endsample, but I put a fixed offset (i.e., -100) and it
worked. All the trial was in and not, like with the variable offset, until
time = 0.

Thanks,

Davide

On Thu, Aug 4, 2011 at 3:55 PM, Michael Wibral <michael.wibral at web.de>wrote:

> Hi davide,
>
> I guess in such a case you would have to write your own trial function.
> However, offset values larger than 0 mean, that the stimulus occured before
> you start your piece of data - is that really what you wanted ?
>
> Michael
>
>
>  ------------------------------
> *Von:* "Davide Rivolta" <drivolta81 at gmail.com>
> *Gesendet:* Aug 4, 2011 2:44:08 PM
> *An:* fieldtrip at donders.ru.nl
> *Betreff:* [FieldTrip] Potential bug in trl
>
>
> Dear all,
>
> I have noticed that the trial definition works well when begsample,
> ensample and offset have fixed values.
>
> I have however a specific trialfunction, where each trial has a different
> lenght.
>
> This works well when you specify a fixed offset, however, when even the
> offset has to change for each trial, Fieldtrip reports values until 0. It
> ignores time after 0.
>
>
> Might it be a bug?
>
> Thanks,
>
> Davide
>
>
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>



-- 
Davide Rivolta, PhD
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