oce (version 0.9-20)

subset,topo-method: Subset a Topo Object

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

"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.

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

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