as.Track.arrow {trajectories}

Convert trajectory pattern to a list of marked point patterns

Description

Converting a list of Track objects to a list of marked point patterns. Each mark shows the length of movement.

Usage

as.Track.arrow(X,timestamp,epsilon=epsilon)

Arguments

X

A list of Track objects

timestamp

based on secs, mins,...

epsilon

(optional) movements with length less than epsilon are not considered in the calculation

Details

Converting a list of Track objetcs to a list of marked point patterns. Marks show the length of movement with respect to the previous location.

Value

a list of marked point patterns.

Author(s)

Mohammad Mehdi Moradi <[e-mail]>

See Also

rTrack, as.Track.ppp

Examples

if (require(spatstat.geom)) {
X <- list()
for(i in 1:10){
  m <- matrix(c(0,10,0,10),nrow=2,byrow = TRUE)
  X[[i]] <- rTrack(bbox = m,transform = TRUE)
}
Y <- as.Track.arrow(X,timestamp="120 secs")
}