Finds the depth in a Biosonics echosounder file, by finding the strongest reflector and smoothing its trace.
findBottom(x, ignore = 5, clean = despike)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.
an echosounder object.
number of metres of data to ignore, near the surface.
a function to clean the inferred depth of spikes.
Dan Kelley
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