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oce (version 1.8-3)

findBottom: Find the Ocean Bottom in an Echosounder Object

Description

Finds the depth in a Biosonics echosounder file, by finding the strongest reflector and smoothing its trace.

Usage

findBottom(x, ignore = 5, clean = despike)

Value

A list with elements: the time of a ping, the depth of the inferred depth in metres, and the index of the inferred bottom location, referenced to the object's depth vector.

Arguments

x

an echosounder object.

ignore

number of metres of data to ignore, near the surface.

clean

a function to clean the inferred depth of spikes.

Author

Dan Kelley

See Also

See the echosounder documentation to learn about the contents of such objects, and about other functions that deal with them.

Other things related to echosounder data: [[,echosounder-method, [[<-,echosounder-method, as.echosounder(), echosounder, echosounder-class, plot,echosounder-method, read.echosounder(), subset,echosounder-method, summary,echosounder-method