Learn R Programming

oce (version 1.0-1)

lisst-class: Class to Store LISST Data

Description

This class stores LISST (Laser in-situ scattering and transmissometry) data.

Arguments

Slots

data

As with all oce objects, the data slot for lisst objects is a list containing the main data for the object.

metadata

As with all oce objects, the metadata slot for lisst objects is a list containing information about the data or about the object itself.

processingLog

As with all oce objects, the processingLog slot for lisst objects is a list with entries describing the creation and evolution of the object. The contents are updated by various oce functions to keep a record of processing steps. Object summaries and processingLogShow both display the log.

Modifying slot contents

Although the [[<- operator may permit modification of the contents of lisst objects (see [[<-,lisst-method), it is better to use oceSetData and oceSetMetadata, because that will save an entry in the processingLog to describe the change.

Retrieving slot contents

The full contents of the data and metadata slots of a lisst object named lisst may be retrieved in the standard R way. For example, slot(lisst, "data") and slot(lisst, "metadata") return the data and metadata slots, respectively. The [[,lisst-method operator can also be used to access slots, with lisst[["data"]] and lisst[["metadata"]], respectively. Furthermore, [[,lisst-method can be used to retrieve named items (and potentially some derived items) within the metadata and data slots, the former taking precedence over the latter in the lookup. It is also possible to find items more directly, using oceGetData and oceGetMetadata, but this cannot retrieve derived items.

Details

One may read lisst objects with read.lisst, generate them with as.lisst, plot them with plot,lisst-method, and summarize them with summary,lisst-method. Elements may be extracted with [[,lisst-method or replaced with [[<-,lisst-method.

References

A users's manual for the LISST-100 instrument is available at the manufacturer's website http://www.sequoiasci.com.

See Also

Other classes provided by oce: adp-class, adv-class, argo-class, bremen-class, cm-class, coastline-class, ctd-class, lobo-class, met-class, oce-class, odf-class, rsk-class, sealevel-class, section-class, topo-class, windrose-class

Other things related to lisst data: [[,lisst-method, [[<-,lisst-method, as.lisst, plot,lisst-method, read.lisst, summary,lisst-method