subset,topo-method {oce} | R Documentation |
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
## S4 method for signature 'topo'
subset(x, subset, ...)
Arguments
x |
a topo object. |
subset |
A condition to be applied to the |
... |
Ignored. |
Value
A new topo 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
Other functions that subset oce objects:
subset,adp-method
,
subset,adv-method
,
subset,amsr-method
,
subset,argo-method
,
subset,cm-method
,
subset,coastline-method
,
subset,ctd-method
,
subset,echosounder-method
,
subset,lobo-method
,
subset,met-method
,
subset,oce-method
,
subset,odf-method
,
subset,rsk-method
,
subset,sealevel-method
,
subset,section-method
,
subset,xbt-method
Examples
# northern hemisphere
library(oce)
data(topoWorld)
plot(subset(topoWorld, latitude > 0))