Developing a 3D Digital Cadastral Survey System for New Zealand
Degree GrantorUniversity of Canterbury
Degree NameMaster of Geographic Information Science
New Zealand currently has a world-class property rights system that underpins the delivery of social, economic, and cultural benefits. This system comprises a land tenure system to provide certainty about property rights and a supporting cadastral survey system to provide certainty about the spatial extent of those rights. However, there is an increasing concern that New Zealand’s property rights system will not continue to be optimal in the future. A significant contributing factor to this concern is the inability of the cadastral survey system to handle three-dimensional (3D) information defining the spatial extents of property rights in a digital environment. The development of 3D cadastral survey systems is the subject of a substantial body of international research and discussion. Despite this, no country in the world has successfully implemented a fully functioning 3D digital cadastral survey system. Also, while New Zealand has an interest in developing a 3D digital cadastral survey system, there is no substantive local research on the matter. The research undertaken as part of this thesis will contribute to the literature by providing a New Zealand perspective on developing such a system and will also feed into the development of New Zealand’s cadastral survey system. This research explores New Zealand’s current cadastral survey system and considers the motivation for its enhancement. The literature supporting international research and development is evaluated to determine the characteristics, opportunities, issues and approaches associated with developing a cadastral survey system with 3D digital capabilities. A preferred approach to a 3D digital cadastral survey system is established and then developed at a conceptual level after it was found that an internationally standardised approach was inadequate.