Abstract
Abstract. This paper describes the design of 3D modelling and topological data structure for cadastre objects based on Land Administration Domain Model (LADM) specifications. Tetrahedral Network (TEN) is selected as a 3D topological data structure for this project. Data modelling is based on the LADM standard and it is used five classes (i.e. point, boundary face string, boundary face, tetrahedron and spatial unit). This research aims to enhance the current cadastral system by incorporating 3D topology model based on LADM standard.
Highlights
Cadastral registrations consisted of a set of cadastral maps containing cadastral land parcels with unique parcel numbers and a paper archive in which property information on land parcels was maintained
Cadastral modelling should based on international standard specifications (i.e. ISO 19152 – Land Administration Domain Model (LADM))
A number of countries have considered the adoption of the LADM to their local needs, especially in cadastral applications
Summary
Cadastral registrations consisted of a set of cadastral maps containing cadastral land parcels with unique parcel numbers and a paper archive in which property information on land parcels was maintained. The challenge is how to register overlapping constructions in cadastral registration that registers information on 2D land parcels. The basic needs for a 3D cadastre are to have a complete registration of 3D rights and to have good accessibility to the legal status of stratified property including 3D spatial information as well as to public law restrictions. Any implementation of topology for 3D cadastral should take into account the requirements of the LADM standard model, to support the visualization to be built in conjunction with the 3D topology.
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