interpol.trajectory: Regularize irregular trajects and/or subsample trajects

In rpatin/gpstools: gpstools for animal movement data analysis

Description

interpol.trajectory takes a matrix of locations associated to a vector of times at which these locations were acquired, and return a dataframe with the original and interpolated locations (identified in column "interp") ; Author: S. Chamaillé-Jammes ; Last update: 22/05/2013

Usage

interpol.trajectory(xy, time, maxtime, nomove = FALSE)

Arguments

xy	matrix of locations or NA values
time	a POSIXct vector of date at which locations were acquired
maxtime	maximum time interval between two locations beyond which interpolation is NOT done (minutes)
nomove	in case two locations are exactly similar, should NA values in between by replaced by the coordinates of this location?

Examples

interpol.trajectory(xy,time,maxtime=120,nomove=FALSE)

rpatin/gpstools documentation built on Sept. 25, 2021, 7:47 a.m.