sos4R (version 0.2-11)

SosFeatureOfInterest-class: Class and Construction Function for "SosFeatureOfInterest"

Description

Element in a GetObservation request to a Sensor Observation service to constrain the observations to be returned regarding the observed feature.

Usage

SosFeatureOfInterest(objectIDs = list(NA), spatialOps = NULL)

Arguments

objectIDs

A list of character identifiers of features in a SOS.

spatialOps

An object of class OgcSpatialOps for spatial filtering.

Objects from the Class

Objects can be created by calls to the construction function of the form SosFeatureOfInterest(...). SosFeatureOfInterestOrNULL is a virtual class to model optional slots of containing elements: No objects may be created from it.

Slots

objectIDs:

Object of class "list": Identifiers of features of interest.

spatialOps:

Object of class "OgcSpatialOpsOrNULL": A spatial filtering of the result.

Extends

Class "SosFeatureOfInterestOrNULL", directly.

Methods

encodeXML

signature(obj = "SosFeatureOfInterest", sos = "ANY"): Convert the object to a XML representation.

Details

Specifies the feature for which observations are requested. This can either be represented by a reference to a feature ID advertised in the capabilities document or can be a spatial constraint.

References

See section 8.4.2 of the SOS specification: Na, A., Priest, M. (Eds.), Sensor Observation Service, Open Geospatial Consortium Inc., OGC 06-009r6, Version: 1.0

See Also

See also SosGetObservation, and the convenience creation function sosCreateFeatureOfInterest-methods.

Examples

showClass("SosFeatureOfInterest")
showClass("SosFeatureOfInterestOrNULL")