As part of its quarterly commitment to improving its spatial data, PSMA Australia made a number of enhancements to its datasets in May 2012. Read on to find out more.
Nationally, some 26,500 additional addresses were added overall. The total number of addresses in G-NAF now stands at 13,285,649.
PSMA Australia also announced that an additional 75,300 records now contain a ‘within address site boundary’ geocode. The key ‘within address site’ plus ‘near or possibly within address site’ percentage now stands at an overall 93.87%. This represents a minor increase over the 93.68% statistic for February 2012.
Address and Cadastral Parcel Link
PSMA Australia introduced a new process to more thoroughly update the legal_parcel_id field in G-NAF. This process uses a point-in-polygon method based on Cadlite data from the February 2012 release.
However, users should note that whilst the data will be more completely populated; there are limitations with the approach as it is possible that the address may not always be linked to the correct parcel. For example, in situations where a strata plan applies over a site, it is likely that the title information included will be for the base plan at the site, rather than the specific strata lot.
If you’re looking to leverage Legal Parcel ID data in uploads to SQL Server / MySQL databases, or within GIS software applications, Callpoint Spatial offers several G-NAF variations that may be better suited to your needs. This includes the latest variation, National text file version #123, which differs from the PSMA point-in-polygon approach in two respects:
- Our #123 production process uses the current Cadlite edition rather than the previous version
- #123 includes a column called CADLITE_PARCEL_COUNT, which indicates the number of Cadlite parcels that spatially enclose the respective G-NAF address coordinates. Having access to the Count column, populated based on current Cadlite data, provides a higher degree of confidence than would otherwise be the case. This can be very relevant to verticals such as real estate
Features of Interest
The Features of Interest (FOI) is a relatively new dataset from PSMA Australia, replacing Points of Interest as a source of feature data. Although it is still a BETA version that does not have full national coverage, the dataset has increased substantially since the last release with additional data for NSW, QLD and Tasmania. It now includes 2,053,198 features.
While the PSMA indicates that FOI is “currently limited in content”, this quantity is now some ten times greater than the Points of Interest dataset.
The addition of information in NSW now means that the Land Tenure product now has coverage in all jurisdictions. Further data will be required to achieve a full national coverage and PSMA Australia expects that additional data will be included as part of the forthcoming release cycles.
For further information, please contact us.