Abstract
Abstract. Population growth and lack of land in urban areas have caused massive developments such as high rises and underground infrastructures. Land authorities in the international context recognizes 3D cadastres as a solution to efficiently manage these developments in complex cities. Although a 2D cadastre does not efficiently register these developments, it is currently being used in many jurisdictions for registering land and property information. Limitations in analysis and presentation are considered as examples of such limitations. 3D neighbourhood analysis by automatically finding 3D spaces has become an issue of major interest in recent years. Whereas the neighbourhood analysis has been in the focus of research, the idea of 3D neighbourhood analysis has rarely been addressed in 3 dimensional information systems (3D GIS) analysis. In this paper, a novel approach for 3D neighbourhood analysis has been proposed by recording spatial and descriptive information of the apartment units and easements. This approach uses the coordinates of the subject apartment unit to find the neighbour spaces. By considering a buffer around the edges of the unit, neighbour spaces are accurately detected. This method was implemented in ESRI ArcScene and three case studies were defined to test the efficiency of this approach. The results show that spaces are accurately detected in various complex scenarios. This approach can also be applied for other applications such as property management and disaster management in order to find the affected apartments around a defined space.
Highlights
Cities around the world have experienced an increasing pressure on land due to population growth and lack of land in urban areas which lead to multi-level developments
In Iran and many other jurisdictions, land and property registration is stored in 2D approaches such as 2D paper or PDF based plans (Shojaei et al, 2015) which are not easy for the public to understand their rights, restrictions and responsibilities (RRRs)
Geospatial Information Systems (GIS) can help land management processes by providing a variety of 3D tools. 3D GIS techniques are used in many applications, such as urban planning and architecture. 3D GIS has a lot of potential for implementing a 3D cadastre
Summary
Cities around the world have experienced an increasing pressure on land due to population growth and lack of land in urban areas which lead to multi-level developments. In Iran and many other jurisdictions, land and property registration is stored in 2D approaches such as 2D paper or PDF based plans (Shojaei et al, 2015) which are not easy for the public to understand their rights, restrictions and responsibilities (RRRs). Despite the current research development, no country has the ability to present the complete display of rights in a 3D system and it has a limited functionality (Shojaei, 2014) and (Karki, 2013). One of such limitation is neighbourhood visualization in 3D space.
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