Delivery Format

Components

Roads is a vector data product and is made available in a national supply for those formats that can store the size of data and maintain the data’s spatial precision. Vector data formats and the availability of a national file for each format is detailed in the below table.

ESRI Shapefile

Format Name:

Shape – ESRI

Specification:

This format includes files with the following extensions: *.shp, *.shx, *.dbf

ESRI Shapefile Technical Description, an ESRI White Paper, July 1998. Follow this link: https://www.esri.com/library/whitepapers/pdfs/shapefile.pdf

Language:

English

MapInfo TAB

Format Name:

TAB – MapInfo Professional

Specification:

This format includes files with the following extensions: *.tab, *.dat, *.id, *.map

The MapInfo TAB format is a popular geospatial vector data format for geographic information systems software. It is developed and regulated by MapInfo as a proprietary format. TAB files support geospatial standards such as Open GIS, the OGC, ISO, W3C and others.

Language:

English

File Geodatabase

Format Name:

File Geodatabase – ESRI

Specification:

This format includes files with the following extensions: *.gdb

ESRI File Geodatabase Technical Description. Follow this link: https://desktop.arcgis.com/en/desktop/latest/manage-data/administer-file-gdbs/file-geodatabases.htm

Language:

English

GeoJSON

Format Name:

GeoJSON

Specification:

This format includes files with the following extensions: *.geojson

GeoJSON specification: tools.ietf.org/html/rfc7946

Language:

English

Note

The GeoJSON specification states that the coordinate reference system for all GeoJSON coordinates is: “a geographic coordinate reference system, using the World Geodetic System 1984 (WGS 84) datum, with longitude and latitude units of decimal degrees”.

Roads will be provided with coordinates using the datum selected for download (GDA94/GDA2020) with longitude and latitude units of decimal degrees.