The master’s thesis focuses on exploring methods for precise building documentation, the creation of 3D building models, and the preparation of detailed floor plans for cadastral registration purposes. With increasing demands in real estate management, detailed building modelling is becoming essential for the legal and spatial management of properties. This thesis compares several spatial data capture methods, including modern technologies such as terrestrial laser scanners (BLK360), mobile handheld laser scanners (BLK2GO and GeoSLAM ZEB GO), and a smartphone application, CamToPlan. Additionally, a traditional survey of the studied building has been conducted using a handheld laser distance meter. The main aim of the thesis has been to evaluate the accuracy, time efficiency, and applicability of each method for data acquisition and creation of 3D building models. Special attention has been given to the geometric comparison of floor plans that were created using different data sources and that enable calculations of room areas. The thesis has also addressed the challenges stemming from simplified floor plans currently used in cadastral registration in Slovenia, and the opportunities of new technologies for acquiring detailed building data and generating detailed floor plans. In this research, we have tested two hypotheses: first, that detailed floor plans that also include walls allow for more precise area calculations, and second, that modern mass data acquisition systems provide high-quality and efficient 3D building model creation, exceeding current cadastral requirements. Based on our resreach, we have confirmed both hypotheses that were defined in the beginning of our research.
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