start.emusegs {emuR}

Start and end times for EMU segment lists and trackdata objects

Description

Obtain start and end times for EMU segment lists and trackdata objects

Arguments

x

a segment list or a trackdata object

...

due to the generic only

Details

The function returns the start and/or end times of either a segment list or a trackdata object. The former refers to the boundary times of segments, the latter the start and end times at which the tracks from segments occur. start.emusegs and end.emusegs give exactly the same output as start and end respectively.

Value

A vector of times.

Author(s)

Jonathan Harrington

See Also

tracktimes

Examples

# start time of a segment list
start(polhom)
# duration of a segment list
end(polhom) - start(polhom)
# duration from start time of segment list
# and start time of parallel EPG trackdata
start(polhom) - start(polhom.epg)