Abstract
Abstract. New South Wales is embarking on a major reform program named Cadastre NSW. This reform aims to move to a single source of truth for the digital representation of cadastre. The current lack of a single source cadastre has hindered users from government and industry due to duplication of effort and misalignment between databases from different sources. For this reform to be successful, there are some challenges that need to be addressed. “Cadastre 2034 – Powering Land & Real Property” (2015) published by the Intergovernmental Committee on Surveying and Mapping (ICSM) identifies that current cadastres do not represent real property in three dimensions. In future vertical living lifestyles will create complex property scenarios that the Digital Cadastral Database (DCDB) will need to contend with. While the NSW DCDB currently holds over 3 million lots and 5 million features, one of its limitations is that it does not indicate land ownership above or below the ground surface. NSW Spatial Services is currently capturing survey plans into LandXML format. To prepare for the future, research is being undertaken to also capture multi-level Strata Plans through a modified recipe. During this research, multiple Strata Plans representing a range of ages and development types have been investigated and converted to LandXML. Since it is difficult to visualise the plans in a two dimensional format, quality control purposes require a method to display these plans in three dimensions. Overall investigations have provided Spatial Services with enough information to confirm that the capture and display of Strata Plans in the LandXML format is possible.
Highlights
Spatial Services, a part of the Department of Finance, Services and Innovation is currently completing a project to back capture all existing surveyed plans into LandXML format
Strata capture may present a variety of scenarios and unique challenges compared to other plan types
The first step in creating the LandXML file was the capture of the original Deposited Plan that existed before the strata title was created
Summary
Spatial Services, a part of the Department of Finance, Services and Innovation is currently completing a project to back capture all existing surveyed plans into LandXML format. Land and Property Information NSW is developing a digital plan processing system for lodgement of plans in LandXML. The back captured plans are intended to complete a set of digital plans for the entire state of NSW. Land and Property Information have proposed changes to the version of the recipe to enable strata capture. Stakeholder benefits from 3D strata plan capture are to be validated; the trial has helped identify issues in capture and highlighted some unexpected results. Some of these are presented later in this paper. The sections detail the process undertaken to arrive at a basic 3D model before looking at issues, conclusions and possible future directions
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