reorganizeTracks: Reorganises 'Tracks' objects.

In henningte/herdersTA: Extracting Movement Characteristics from GPS Trajectories of Nomadic Households

Description

reorganizeTracks reorganises a TracksCollection object with each Tracks object containing one Track object. The Track objects covering roughly the same time period are reorganised by assigning data points to the same overall time vector with half-hourly spaced data and including gaps as new data points within each Track object. Gaps are filled with dummy values from the next value prior the gap or if there is an ending gap, with the next value prior the ending gap.

Usage

reorganizeTracks(
  currenttracks,
  interval = 60 * 30,
  tz = "GMT",
  crs = "+proj=longlat +ellps=WGS84",
  cores = 1,
  clcall = NULL
)

Arguments

currenttracks	A TracksCollection object with only one Track object per Tracks object.
interval	A numeric value > 0 representing the duration of each time interval the data are reorganised to [s]. The deault is 60*30, i.e. half an hour.
tz	A character value indicating the time zone of the data in currenttracks.
crs	A character value indicating the coordinate reference system of currenttracks.
cores	An integer value representing the number of cores to use in parallel computing.
clcall	A function that is passed to clusterCall.

Details

If there are more than one data point per interval and Track object, only the first data point within this interval is retained.

Value

A Tracks object containing the reorganised Track objects of the input A Tracks object.

See Also

mergeTracksCollection, mergeTracks.

Examples

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henningte/herdersTA documentation built on Jan. 22, 2020, 5:16 a.m.