org.opengis.referencing.crs
Interface GeographicCRS

All Superinterfaces:

CoordinateReferenceSystem, IdentifiedObject, ReferenceSystem, SingleCRS

@UML(identifier="SC_GeographicCRS",
     specification=ISO_19111)
public interface GeographicCRS
extends SingleCRS

A coordinate reference system based on an ellipsoidal approximation of the geoid; this provides an accurate representation of the geometry of geographic features for a large portion of the earth's surface.

Used with CS type(s)

Ellipsoidal

Since:

GeoAPI 1.0

Version:

Abstract specification 2.0

Field Summary

Fields inherited from interface ReferenceSystem

SCOPE_KEY, VALID_AREA_KEY

Fields inherited from interface IdentifiedObject

ALIAS_KEY, IDENTIFIERS_KEY, NAME_KEY, REMARKS_KEY

Method Summary

EllipsoidalCS	getCoordinateSystem() Returns the coordinate system, which must be ellipsoidal.
GeodeticDatum	getDatum() Returns the datum, which must be geodetic.

Methods inherited from interface ReferenceSystem

getScope, getValidArea

Methods inherited from interface IdentifiedObject

getAlias, getIdentifiers, getName, getRemarks, toWKT

Method Detail

getCoordinateSystem

@UML(identifier="usesCS",
     obligation=MANDATORY,
     specification=ISO_19111)
EllipsoidalCS getCoordinateSystem()

Returns the coordinate system, which must be ellipsoidal.

Specified by:

getCoordinateSystem in interface CoordinateReferenceSystem

Specified by:

getCoordinateSystem in interface SingleCRS

getDatum

@UML(identifier="usesDatum",
     obligation=MANDATORY,
     specification=ISO_19111)
GeodeticDatum getDatum()

Returns the datum, which must be geodetic.

Specified by:

getDatum in interface SingleCRS