org.opengis.referencing.datum

Interface GeodeticDatum

All Superinterfaces:

Datum, IdentifiedObject

All Known Implementing Classes:

DefaultGeodeticDatum

@UML(identifier="CD_GeodeticDatum",
     specification=ISO_19111)
public interface GeodeticDatum
extends Datum

Defines the location and precise orientation in 3-dimensional space of a defined ellipsoid (or sphere) that approximates the shape of the earth. Used also for Cartesian coordinate system centered in this ellipsoid (or sphere).

Since:

GeoAPI 1.0

Author:

Martin Desruisseaux (IRD)

See Also:

Ellipsoid, PrimeMeridian

Field Summary

Fields inherited from interface Datum

ANCHOR_POINT_KEY, DOMAIN_OF_VALIDITY_KEY, REALIZATION_EPOCH_KEY, SCOPE_KEY

Fields inherited from interface IdentifiedObject

ALIAS_KEY, IDENTIFIERS_KEY, NAME_KEY, REMARKS_KEY

Method Summary

Modifier and Type	Method and Description
Ellipsoid	getEllipsoid() Returns the ellipsoid.
PrimeMeridian	getPrimeMeridian() Returns the prime meridian.

Methods inherited from interface Datum

getAnchorPoint, getDomainOfValidity, getRealizationEpoch, getScope

Methods inherited from interface IdentifiedObject

getAlias, getIdentifiers, getName, getRemarks, toWKT

Method Detail

getEllipsoid

@UML(identifier="usesEllipsoid",
     obligation=MANDATORY,
     specification=ISO_19111)
Ellipsoid getEllipsoid()

Returns the ellipsoid.

Returns:

The ellipsoid.

getPrimeMeridian

@UML(identifier="usesPrimeMeridian",
     obligation=MANDATORY,
     specification=ISO_19111)
PrimeMeridian getPrimeMeridian()

Returns the prime meridian.

Returns:

The prime meridian.