3D Cadastre 1

3D Cadastre 1

de Vries, Ton

2013-09-24

With more than 50% of the world’s population living in cities, and the proportion of the world’s population living in cities growing to an astonishing 70% by 2050, cities and city infrastructure become an even bigger factor in the quality of life. These numbers reflect the growth of urban areas by 2.5 billion people in the next 40 years which requires extensive development of infrastructure to accommodate this growth. A Cadastre and Land registration is the basis for sustainable development and economic growth. With a rapid increasing population in urban areas, 2D cadastre systems have shown limitations, especially when describing complex situations to various stakeholders. 3D information models for cadastre are now increasingly implemented to overcome these restrictions. However, 3D systems are not without their challenges and problems to be avoided. The challenges include: guaranteeing topological consistency when building 3D volumes, detecting overlap in 3D, simplifying the BIM model for the 3D property registration process, acquiring the 3D property data in a cost-effective manner, and associating 3D geometries with properties in a 3D GIS efficiently. This presentation focuses on how a 3D Cadastre plays a vital role in better and more efficiently plan, design, construct, and operate city infrastructure, to be better prepared for the future. This session will discuss technologies for 3D Cadastre and infrastructure modeling and present case studies illustrating its benefits across several infrastructure disciplines. The presentation also covers the creation, management and applications for 3D Cadastres and the benefits for users in transforming their traditional 2D GIS systems into powerful 3D Cadastre models. The presentation will focus on why 3D Cadastres are valuable and how they can be created by extending existing GIS systems, not replacing them.

Object Life Cycle
3D Cadastre
BIM

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