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Metadata for Digital Boundary Files - ASGS Non ABS Structures
File names have the format <file type>_<2019>_<AUST> where:
< file type> represents the type of boundaries in each file
LGA = Local Government Area
SED = State Electoral Division
< 2019> represents 2019 the year of the Australian Statistical Geography Standard (ASGS) Edition
< AUST> indicates the data that covers all of Australia as defined in ASGS Volume 1.
Where applicable States and Territories are identified by unique one digit codes, as listed below:
State and Territory Codes and Names
All tables show file type, file name, spatial unit field and the data type.
File Type: Local Government Area (LGA)
File Name (s): LGA_2019_AUST
File Type: State Electoral Division (SED)
File Name (s): SED_2019_AUST
Date of Effect: 31 July 2019
Maintenance and Update Frequency:
As the Non ABS Structures represent regions that are subject to ongoing change, the ABS will release a revised publication for ASGS Non ABS Structures in July each year. The individual structures will only be updated where significant change has occurred in the past year.
Stored Data Format:
The digital boundary files are in Geopackage and ESRI Shapefile (.shp) format.
Spatial Representation Type:
Copyright Commonwealth of Australia administered by the ABS. Unless otherwise noted, content is licensed under a Creative Commons Attribution 2.5 Australia licence.
Geocentric Datum of Australia 1994 (GDA94)
The digital boundary files have the datum specified as 116 (GDA94). Users of MapInfo 6.0 or later are able to load data sets based on GDA94 directly, without transformation. Earlier versions of MapInfo cannot interpret GDA94 correctly and there may be alignment problems between data sets based on this datum and other earlier datums.
Geographical (i.e. Latitudes and Longitudes)
Mesh Block boundaries were created using various sources including the PSMA digital datasets and ABS boundaries, zoning information from State planning agencies and imagery.
Positional accuracy is an assessment of the closeness of the location of the spatial objects in relation to their true positions on the earth's surface.
The positional accuracy includes:
Positional accuracy for ABS boundaries is dependent on the accuracy of the features they have been aligned to. ABS boundaries are aligned to a number of layers supplied by PSMA with an accuracy of +/-50 mm.
PSMA layers and their positional accuracy are as follows:
All codes and labels for all structures within the ASGS 2019 Non ABS Structures are fully validated.
Spatial units are closed polygons. Attribute records without spatial objects have been included in the data for administrative purposes.
Contact Organisation: Australian Bureau of Statistics
Contact: For further information email <firstname.lastname@example.org> or contact the National Information and Referral Service (NIRS) on 1300 135 070.
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