Automatically creating events from a time matrix

[OscarR]

In Brainstorm, when you want to create events at specific time points that you already know, do you have to create these events manually one by one, or is there a way to import/duplicate a time matrix (e.g. a list of timestamps) to automatically generate the events?
In my case, I already have a list of time points (in seconds / samples) corresponding to the events of interest, and I would like to know if it is possible to use them directly to create events in Brainstorm instead of doing everything by hand.”

[lakamionette]

In Brainstorm, when you want to create events at specific time points that you already know, do you have to create these events manually one by one, or is there a way to import/duplicate a time matrix (e.g. a list of timestamps) to automatically generate the events?

In my case, I already have a list of time points (in seconds / samples) corresponding to the events of interest, and I would like to know if it is possible to use them directly to create events in Brainstorm instead of doing everything by hand.

[Raymundo.Cassani]

@OscarR, @lakamionette

@lakamionette

do you have to create these events manually one by one

No, this can be done programatically

@lakamionette

is there a way to import/duplicate a time matrix (e.g. a list of timestamps) to automatically generate the events?

Yes, it is possible, there Brainstorm supports several file formats for events.

As you have a list of time points, the simplest way would be to create a .csv file where each row is: EventName OccurrenceTimeInSeconds Duration, where Duration is 0 as the events are time points.

@Raymundo.Cassani

Brainstorm support multiple formats for events. See here.
Given that you have simple events (only label and time of occurrence), .csv is a good option:

fid = fopen('events.csv','w');
num_events = length(combined_idx_sorted);
for i = 1:num_events
  fprintf(fid, '%s, %g, 0\n', combined_names_sorted{i}, ft_data.time{1}(combined_idx_sorted(i)));     
end
fclose(fid);

Then you can import events from that file.

• In the GUI:
  Record tab > (Event section) File > Add events from file
• Or with a process:
  Events > Import from file

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@OscarR, @lakamionette.
Are the two threads from the same user with two accounts?

[OscarR]

We’re different people; we didn't talk about who should send the message. Thank you so much !