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Investigation of Data Acquisition Approaches for 3D Cadastre with Emphasis on Apartment Units

Singagerda, Firman Ariefiansyah (2010) Investigation of Data Acquisition Approaches for 3D Cadastre with Emphasis on Apartment Units.

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Abstract:The growth of human population has resulted in the increase of human consumption of earth resources especially land. The limited capacity to provide access to land already reaches its peak, especially in urban areas. This situation has driven people to utilize the available spaces above or below earth surface. This means that the multiple use of space implies the use of a land plot in the three dimensions and led to direct consequences on ownership of used space, bringing the use of 3D cadastre concepts to facilitate better the multiple use of space in the urban area. 3D legal object, as a term that is introduced in this research to describe volumetric space object, basically is the object of registration in a cadastre system which provides components of ‘where’ and ‘how much’ on human-land relation. A provision of information about this object is necessary and should be made available as geographic information. Therefore, an approach to acquire geometric description for 3D legal object is required in order to integrate this object in cadastre dataset. With the advent of 3D object measurement and reconstruction technology, it is possible to extract 3D geometric representation of an object through various techniques and data sources. From these various techniques available, this research explores two approaches considered as appropriate to be implemented for acquiring one type of 3D legal object which is “apartment units”. Two approaches that being explored in this research are CAD modelling using architectural drawing and Image Based Modelling using pictometry images. Besides exploration of 3D data acquisition approaches, this research also investigates types of 3D legal object and its requirements for registration in cadastre system through desk research. This research used secondary data which consist of literatures, such journals, articles, and books; architectural drawing, pictometry images, cadastral map, and cadastral database. Semantic model of building and apartment is developed to give better understanding about the object. With this model, components that build the object were segregated and were analyzed with legal specification of 3D legal object to determine information about spatial boundary. Then 3D measurement and reconstruction was performed using architectural drawing and pictometry images. The result of the study show that the two data sources are useful to obtain geometric representation of 3D legal object. This geometric representation can be integrated with current cadastral map, thus information about 2D cadastre parcel and its 3D extension can be accessed by public. Key words: 3D legal object, 3D object measurement and reconstruction, apartment, legal boundary, architectural drawing, pictometry image, semantic model.
Item Type:Essay (Master)
Faculty:ITC: Faculty of Geo-information Science and Earth Observation
Programme:Geoinformation Science and Earth Observation MSc (75014)
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