as.Track: Converts data to an object of class "Track"

In trajectories: Classes and Methods for Trajectory Data

Converts data to an object of class "Track"

Description

Function as.Track accepts converts x,y coordinates and thier corresponding time/date to an object of class Track. It can also accepts covariates for the corresponding locations, covariates must be a dataframe with some columns and length of each column is equal to length of x,y,t.

Usage

as.Track(x,y,t,covariate)

Arguments

x	x coordinate.
y	y coordinate.
t	corresponding time and date of x,y.
covariate	additional information.

Details

An object of class "Track" can be created by some geographical locations and corresponding time/dates. Function as.Track converts locations and dates/times to an object of class "Track". time/date should be from class "POSIXct" "POSIXt". See example below.

Value

An object of class "Track".

Author(s)

Mohammad Mehdi Moradi <[e-mail]>

See Also

Track, as.POSIXct

Examples

x <- runif(10,0,1)
y <- runif(10,0,1)
date <- seq(as.POSIXct("2015-1-1 0:00"), as.POSIXct("2015-1-1 9:00"), by = "hour")
Z <- as.Track(x,y,date)
plot(Z)

trajectories documentation built on Sept. 11, 2024, 8:48 p.m.