subset-topo-method: Subset a Topo Object

Description Usage Arguments Value Author(s) See Also Examples

Description

This function is somewhat analogous to subset.data.frame. Subsetting can be by time or distance, but these may not be combined; use a sequence of calls to subset by both.

Usage

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## S4 method for signature 'topo'
subset(x, subset, ...)

Arguments

x

A topo object, i.e. inheriting from topo-class.

subset

A condition to be applied to the data portion of x. See ‘Details’.

...

Ignored.

Value

A new topo-class object.

Author(s)

Dan Kelley

See Also

Other things related to topo data: [[,topo-method, [[<-,topo-method, as.topo, download.topo, plot,topo-method, read.topo, summary,topo-method, topo-class, topoInterpolate, topoWorld

Examples

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## northern hemisphere
library(oce)
data(topoWorld)
plot(subset(topoWorld, latitude > 0))


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