Systematic Analysis of Functionalities for the Israeli 3D Cadastre

Systematic Analysis of Functionalities for the Israeli 3D Cadastre

Jaljolie, Ruba
van Oosterom, Peter
Dalyot, Sagi

2016-10-19

Following public demand to improve the efficiency and transparency of government administrations, together with the existence of mature technologies and modern urban planning necessities, it is now essential to establish more advanced and comprehensive land management (cadastre) systems. Cadastre systems available today are mostly based on twodimensional registration procedures only, limited in their ability to manage modern urban and complex areas. This requires the ability to handle various types of data in a uniform way - both spatially (horizontal position and altitude) and temporary, with emphasis on infrastructure development that must be addressed and registered with respect to the third dimension – above-terrain and below-terrain. That is, establishing a series of conditions and functionalities, which will enable utilization of land/space for various complex projects, individually owned, above and below the surface. The Survey Of Israel (SOI) is advocating towards a solution related to 3D cadastre, establishing the idea of a unified spatial 3D volumetric parcel, such that the volume of such new 3D spatial parcel can be a part of (subtracted from) a number of 2D parcels. The required 3D Cadastre system should be capable to combine different types of data that are relevant to cadastre systems, and to constitute a unified model from different government databases: among others, the Survey Of Israel, the Land Registry, and the Israel Land Authority. The system should enable archiving, visualization, queries and analysis of three-dimensional characteristics and structures on different temporal time-stamps. So far, three-dimensional systems are currently having their focus on 3D topography (modelling physical real-world objects), and are limited in supporting the multi-dimensional cadastre implementation needs. This study aims at investigating and presenting a set of spatial functionality requirements from such a system that would enable good governance in accordance with the definitions and guidelines of the SOI, derived mainly from technical specification required to support the third dimension (depth/ height) in existing platforms or systems. A systematic analysis of the processes and functionalities needed by such a system is made, each is a workflow of specific geometric and topologic functionalities integrated in the system (such as: intersection, extraction, merging, deletion – to name a few). This study will give an overview of all required functionalities for this system (and relate this to the information needs as expressed in LADM), with detailed description of three processes, and their contribution to the establishment of the 3D cadastre system.

3D Volumetric Parcel
3D Cadastre
Functionalities
Spatial Analysis

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