findBottom: Find the Ocean Bottom in an Echosounder Object

Description Usage Arguments Value Author(s) See Also

View source: R/echosounder.R


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


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



an object of class echosounder


number of metres of data to ignore, near the surface


a function to clean the inferred depth of spikes


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.


Dan Kelley

See Also

The documentation for echosounder-class explains the structure of echosounder objects, and also outlines the other functions dealing with them.

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

oce documentation built on May 19, 2017, 10:14 a.m.
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