In the diploma thesis, the establishment of three-dimensional graphical model of buildings is presented, as a part of a 3D real property cadastre data model in Slovenia. The model is based on land cadastral and building cadastral data as well as field surveying data. A special attention is given to the land administration model LADM, which introduces the concept of multifunctional 3D-cadastre. Additionally, experiences in the field of 3D-cadastre of the selected foreign countries are introduced. As a fundament of the proposed solution, the Slovenian cadastral system is presented, with the emphasis on the building cadastre and the coordinate land cadastre. In the empirical part of the diploma thesis, three study cases for the selected buildings are discussed, for which wireframe models using the AutoCAD software, and 3D-graphical models using the SketchUp software have been constructed. 3D-models were created in accordance to the CityGML standard, for different levels of detail (LoD). In the conclusion, findings regarding the current cadastral data and additional data about real properties are presented, with the emphasize on the additional data needed data for the construction of 3D real property cadastre in Slovenia.
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