bottom_delim_std: Delimitate bottom phase of dive using depth threshold
In SESman/rbl: Biologging tools for diving predators in R

Description Usage Arguments Examples

Classic bottom delimitation method that defines bottom as the period between the first and last passage at a depth specified as a percentage of the maximum depth in the dive.

1	bottom_delim_std(depth, ledge = 0.8)

`depth`	depth readings, sorted in chronological order.
`ledge`	depth threshold, specified as a percentage which is compared to the maximum depth.

data(exses)
ind(exses)

n <- 65
idx <- tdrply(bottom_delim_std, 2, "!_/", no = n)[[1]]
tdrply(plot, 1:2, "!_/", no = n, main = n)
tdrply(function(x, st, ed, ...) points(x[st:ed, ]), 1:2, no = n, la = idx)