Module org.opengis.geoapi

Package org.opengis.referencing.datum

Interface TemporalDatum

All Superinterfaces:

Datum, IdentifiedObject

All Known Implementing Classes:

SimpleCRS.Temporal

@UML(identifier="CD_TemporalDatum",
     specification=ISO_19111)
public interface TemporalDatum
extends Datum

A temporal datum defines the origin of a temporal coordinate reference system.

Since:

1.0

See Also:

• DatumAuthorityFactory.createTemporalDatum(String)
• DatumFactory.createTemporalDatum(Map, Date)

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	Description
default InternationalString	getAnchorPoint()	This attribute is defined in the Datum parent interface, but is not used by a temporal datum.
Date	getOrigin()	The date and time origin of this temporal datum.
default Date	getRealizationEpoch()	This attribute is defined in the Datum parent interface, but is not used by a temporal datum.

Methods inherited from interface Datum

getDomainOfValidity, getScope

Methods inherited from interface IdentifiedObject

getAlias, getIdentifiers, getName, getRemarks, toWKT

Method Details

getOrigin

@UML(identifier="origin",
     obligation=MANDATORY,
     specification=ISO_19111)
Date getOrigin()

The date and time origin of this temporal datum.

Upcoming API change — temporal schema
The return type of this method may change in GeoAPI 4.0 release. It may be replaced by a type matching more closely either ISO 19108 (Temporal Schema) or ISO 19103.

Returns:

the date and time origin of this temporal datum.

getAnchorPoint

@UML(identifier="anchorPoint",
     obligation=FORBIDDEN,
     specification=ISO_19111)
default InternationalString getAnchorPoint()

This attribute is defined in the Datum parent interface, but is not used by a temporal datum.

Specified by:

getAnchorPoint in interface Datum

Returns:

always null.

See Also:

• VerticalDatum.getVerticalDatumType()

getRealizationEpoch

@UML(identifier="realizationEpoch",
     obligation=FORBIDDEN,
     specification=ISO_19111)
default Date getRealizationEpoch()

This attribute is defined in the Datum parent interface, but is not used by a temporal datum.

Specified by:

getRealizationEpoch in interface Datum

Returns:

always null.