readLoggedOutput

R2026b

Read logged output messages

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Syntax

logTable = readLoggedOutput(ulogOBJ)
logTable = readLoggedOutput(ulogOBJ,Time=time)

Description

logTable = readLoggedOutput(ulogOBJ) reads the data of all logged output messages from the specified ulogreader object and returns a timetable that contains log levels and messages.

example

logTable = readLoggedOutput(ulogOBJ,Time=time) reads specific logged output messages in the time interval specified by time.

Example: readLoggedOutput(ulog,Time=[d1 d2])

Examples

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Load the ULOG file. Specify the relative path of the file.

ulog = ulogreader('flight.ulg');

Read all topic messages.

msg = readTopicMsgs(ulog);

Specify the time interval between which to select messages.

d1 = ulog.StartTime;
d2 = d1 + duration([0 0 55],'Format','hh:mm:ss.SSSSSS');

Read messages from the topic 'vehicle_attitude' with an instance ID of 0 in the time interval [d1 d2].

data = readTopicMsgs(ulog,'TopicNames',{'vehicle_attitude'}, ... 
'InstanceID',{0},'Time',[d1 d2]);

Extract topic messages for the topic.

vehicle_attitude = data.TopicMessages{1,1};

Read all system information.

systeminfo = readSystemInformation(ulog);

Read all initial parameter values.

params = readParameters(ulog);

Read all logged output messages.

loggedoutput = readLoggedOutput(ulog);

Read logged output messages in the time interval.

log = readLoggedOutput(ulog,'Time',[d1 d2]);

Input Arguments

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ULOG file reader, specified as a ulogreader object.

Time interval between which to select messages, specified as a two-element vector of duration, or a double array. The duration array is specified in the 'hh:mm:ss.SSSSSS' format. The double array is specified in microseconds.

Example: readLoggedOutput(ulogOBJ,Time=[d1 d2])

Output Arguments

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Logged output messages, returned as a timetable with the columns:

  • LogLevel

  • Messages

Version History

Introduced in R2020b

See Also

Objects

Functions