Theses on three dimensional GIS
Tom van der Putte
Using the discrete 3D Voronoi diagram for the modelling of 3D continuous information in
geosciences
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Supervisors:
Professor: Peter van Oosterom (TU Delft)
Supervisor: Hugo Ledoux (TU Delft)
Reviewer: Derek Karssenberg (Utrecht University)
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Mahmud Shahrear Kibria (Shuman)
Functionalities of geo-virtual environments to visualize urban projects
This Master of Science thesis states the taxonomy of functionalities and the visual materials of geovirtual environments for the visualization of urban projects. The core of this visualization thesis is based on a requirement analysis process using the software approach of Requirement Engineering. It contains two important aspects. The requirement analysis part of the thesis identifies the functionalities that can be used in visual interaction between actors in the planning process. The second aspect of the thesis investigates the use of visual materials in geo-virtual environments to visualize the different planning phases of urban development. The relationship between the urban planning phases and the use of multi-dimensionality, realism and Levels of Detail (LoD) in models has been established here. Through observation, the thesis has analyzed the relationship between the use of visual materials and the human perception to understand them. Moreover, it has stated a process to create 3D base models on the basis of geo-data through widely used GIS software. The thesis elaborates the functionality domains of geo-virtual environments through the introduction of the construction, capabilities, experiencing, controlling, use, exploration
and components functionalities. This taxonomy is achieved through the analysis of requirements of specific Dutch municipalities. These functionalities can be used for collaborative design process by the municipalities and facilitate visual interaction with actors like citizens. Based on the requirement analysis, the thesis sheds light on the knowledge-gap with regards to the classification of functionalities and visual materials. It uses scientific methods, provides results, extensively analyzes the outcome and states the core findings at the end.
Supervisors:
Professor: Peter van Oosterom, TUD
Supervisors: Sisi Zlatanova, M.J. van Dorst (TUD, BK), Wilko Quak
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Chong SC
TOWARDS A 3D CADASTRE FOR MALAYSIA - An Implementation Evaluation
The concept of land is always three-dimensional. Latin maxim "Cujus est solum, ejus est usque ad coelum ad infernos" can be roughly translated as "land ownership extends from heaven to hell". That is, owning a piece of land includes not only the horizontal land surface within the lot parcel, but also vertically downward and upward within practical and legal feasibility (Platt, 1991). Fast economic development driven by the population growth, expanding economy and rising standard of living standard led to many multilayer activities related to land parcel. Traditional parcel-based cadastral system is 2D, dealing only with surface properties, is found to be inadequate for registering today's complex property situations. This research has investigated the feasibility of introducing 3D Cadastre into Malaysia Cadastre. The conclusion was that 3D presentation will permit better definition of cadastral spatial subdivision, which in turn will provide better means for inspection and analysis of data, than the current 2D system.
Supervisors:
Professor: J.W.J. Besemer, TU Delft
Supervisor: Hendrik Ploeger, TU Delft
Reviewer: Alias Abdul Rahman, UTM, Malaysia, Christiaan Lemmen, ITC
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