[Mne_analysis] Problem with plotting annotations

[Mainak Jas]

Hi Nico,

Since the annotations object accepts time in seconds, the correct input
should be:

onset = [1 + raw.first_samp / raw.info['sfreq']]

and not

onset = [1 + raw.first_samp]  # here you are adding an index to seconds

Let us know if that works.

Best regards,
Mainak

On Sat, Aug 13, 2016 at 7:51 PM, Nico Adelhöfer <nico.adelhoefer at st.ovgu.de>
wrote:

> For me it now says that the name 'int32' is not defined. When I
> exclude the dtype parameter, I get no error when plotting. :) But now
> I also don't see any annotations in the plot.
>
>
>
> Quoting Mainak Jas <mainakjas at gmail.com>:
>
> > okay. There seems to be some problem with the date in your measurement
> info.
> >
> > This should fix it:
> >
> > raw.info['meas_date'] = np.array([1463353331, 0], dtype=int32)
> >
> > Let us know if you still get the error after that.
> >
> > Mainak
> >
> > On Sat, Aug 13, 2016 at 1:23 AM, Nico Adelhöfer <
> nico.adelhoefer at st.ovgu.de>
> > wrote:
> >
> >> Hello,
> >>
> >> I get:
> >> array([1463353331])
> >>
> >> Nico
> >>
> >>
> >> Quoting Mainak Jas <mainakjas at gmail.com>:
> >>
> >> > Hi Nico,
> >> >
> >> > Before we try to debug any further, can you let us know what
> >> > raw.info['meas_date']
> >> > looks like in your data?
> >> >
> >> > Mainak
> >> >
> >> > On Thu, Aug 11, 2016 at 7:21 PM, Nico Adelhöfer <
> >> nico.adelhoefer at st.ovgu.de>
> >> > wrote:
> >> >
> >> >> Hello,
> >> >>
> >> >> can someone tell me what the problem might be here? When trying to
> >> >> plot annotations, I get an IndexError in the file annotations.py:
> >> >>
> >> >> --> 122         meas_date = meas_date[0] + meas_date[1] / 1000000.
> >> >>
> >> >> My commands are:
> >> >>
> >> >> onset = [1] # also tried [1 + raw.first_samp]
> >> >> dur = [5]
> >> >> raw.annotations = mne.Annotations(onset, dur, 'bad')
> >> >> raw.plot() # here comes the error
> >> >>
> >> >> The raw file here is fif. I saved an edf using raw.save, cutting
> parts
> >> >> from the beginning and the end of the recording. In the edf file
> there
> >> >> is no error.
> >> >>
> >> >> Thanks,
> >> >> Nico
> >> >>
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