Data Model for 3D Cadastre in Korea

Due to the fast growth of construction technologies and increasing demands on the efficient use of land, human living space are expanded from on the surface to above and under the surface. This has raised the need for 3D cadastre by recognizing that the current cadastre system based on 2D was not appropriate to reflect the trend. This paper proposed the 3D cadastre data model that is appropriate to protect ownership effectively in Korea. A 3D cadastre feature model based on 3D rights and features derived from case studies. A 3D cadastre geometry model based on ISO19107 Spatial Schema. A 3D cadastre data structure consisted of point, line, polygon and solid primitives.