org.opengis.metadata.extent
Interface Extent


@UML(identifier="EX_Extent",
     specification=ISO_19115)
public interface Extent

Information about spatial, vertical, and temporal extent. This interface has four optional attributes (geographic elements, temporal elements, and vertical elements) and an element called description. At least one of the four shall be used.

Since:
GeoAPI 1.0

Method Summary
 InternationalString getDescription()
          Returns the spatial and temporal extent for the referring object.
 Collection<? extends GeographicExtent> getGeographicElements()
          Provides geographic component of the extent of the referring object
 Collection<? extends TemporalExtent> getTemporalElements()
          Provides temporal component of the extent of the referring object
 Collection<? extends VerticalExtent> getVerticalElements()
          Provides vertical component of the extent of the referring object
 

Method Detail

getDescription

@UML(identifier="description",
     obligation=CONDITIONAL,
     specification=ISO_19115)
InternationalString getDescription()
Returns the spatial and temporal extent for the referring object.

Returns:
The spatial and temporal extent, or null in none.
Condition:
Geographic element, temporal element and vertical element not documented.

getGeographicElements

@Profile(level=CORE)
@UML(identifier="geographicElement",
     obligation=CONDITIONAL,
     specification=ISO_19115)
Collection<? extends GeographicExtent> getGeographicElements()
Provides geographic component of the extent of the referring object

Returns:
The geographic extent, or an empty set if none.
Condition:
Description, temporal element and vertical element not documented.

getTemporalElements

@Profile(level=CORE)
@UML(identifier="temporalElement",
     obligation=CONDITIONAL,
     specification=ISO_19115)
Collection<? extends TemporalExtent> getTemporalElements()
Provides temporal component of the extent of the referring object

Returns:
The temporal extent, or an empty set if none.
Condition:
Description, geographic element and vertical element not documented.

getVerticalElements

@Profile(level=CORE)
@UML(identifier="verticalElement",
     obligation=CONDITIONAL,
     specification=ISO_19115)
Collection<? extends VerticalExtent> getVerticalElements()
Provides vertical component of the extent of the referring object

Returns:
The vertical extent, or an empty set if none.
Condition:
Description, geographic element and temporal element not documented.


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