Islands

A polygon feature class displaying the extent of marine (offshore) and terrestrial (within an inland waterbody) islands within the state of Queensland.

Islands
A polygon feature class displaying the extent of marine (offshore) and terrestrial (within an inland waterbody) islands within the state of Queensland
Column Name	Nulls	Format	Size	Description	Constraints
FEATURE_TYPE	No	Text	50	Unique feature type that identifies the type of feature. Options: Marine Island Terrestrial Island	dm_island
NAME	Yes	Text	100	The name of the feature (if available)
ALTERNATE_NAME	Yes	Text	100	An alternate name of the feature if available from the Queensland Place Names Database, otherwise left blank
QLD_PNDB_ID	Yes	Long		Queensland Place Names Database unique identifier
ATTRIBUTE_SOURCE	No	Text	100	If the feature is named, the attribute_source is the source imagery, map, or data from which the features name has been obtained. If the feature is not named, the attribute_source is the source imagery, map, or data used to define what the feature type is.
ATTRIBUTE_DATE	No	Date		Date of the source imagery, map, or data used for attributing the feature.
ADDITIONAL_NAMES	Yes	Text	100	Other names of the feature if not recorded in the Queensland Place Names Database. May be commonly known by other names or have different spelling. Multiple names can be shown, separated by a comma.
ADD_NAMES_SOURCE	Yes	Text	100	The source map or data that the additional names were obtained. Multiple sources can be shown, separated by a comma. If multiple sources are shown, the written sequence will be the same as the written sequence of the names themselves.
FEATURE_SOURCE	No	Text	100	Date of the source imagery, map, or data that the spatial location and shape of the feature was obtained from.
FEATURE_DATE	No	Date		Date of the source imagery, map, or data that the spatial location and shape of the feature was obtained from.
PFI	No	Text		A Persistent Feature Identifier (PFI) is generated for each feature at the point of creation in the database. The value of the PFI will stay with the feature through all changes to the feature (both spatial and non-spatial) until the feature is retired. (See Persistent and Unique Feature Identifiers)
UFI	No	Text		A Unique Feature Identifier (UFI) is generated for each new feature at the point of creation in the database (at this point the PFI and UFI will be the same). The value of the UFI will stay with the feature through all changes to the feature (both spatial and non-spatial) unless the feature is split into multiple other parts. If the feature is split, the separate parts will retain the original PFI but new UFI’s will be generated for the split parts. (See Persistent and Unique Feature Identifiers)
CREATED_DATE*	No	Date		The date the feature was originally captured and first loaded to the database *internal use only
LAST_EDITED_DATE*	No	Date		Date of the last editing or revision to the feature *internal use only
DIMENSION_M2	No	Double		The area of the feature measured in square metres GDA2020
UPPER_SCALE	No	Long		The upper scale for which the feature should be considered suitable for digital display	dm_upper_scale
TEXT_NOTE	Yes	Text	50	For mapping purposes. Additional annotation that can be shown on a map. If the feature has no name - type in lower case: island
ADD_INFORMATION	Yes	Text	255	A comment field (additional information)

Feature Type definitions:

Marine Island – An area of dry or relatively dry land surrounded by the sea.
Terrestrial Island – A significant area of dry or relatively dry land surrounded by inland waters.

Upper scale:

Individual features may not agree with the following specifications to improve mapping legibility.

1:1 000 000 – all data < 15,000,000 m²
1:5 000 000 – >/= 15,000,000 m²

Capture process:

MARINE ISLAND

Definition: An area of dry or relatively dry land surrounded by the sea

Alternate Terms: Cay, Island, Isles, Islet

Capture as a 2D polygon coincident with the defined coastline
The location is plotted from orthorectified imagery.
Locations can be obtained from existing mapping, maritime charts, maritime organisations, other datasets, Local Government websites or other source material.
The name is obtained from Queensland Place Names dataset.

TERRESTRIAL ISLAND

Definition: An area of dry or relatively dry land surrounded by inland waters

Alternate Terms: Island

Capture as a 2D polygon coincident with the defined shoreline
The location is plotted from orthorectified imagery.
Locations can be obtained from existing mapping, other datasets, Local Government websites or other source material.
The name is obtained from Queensland Place Names dataset.

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