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