Studente Dolcetto, Francesco
Anno Accademico 2011-10-24
Titolo originale 3D modeling and visualization of utility networks
Abstract Most of the current 2D GIS representations are tied to the limits of the GIS software tools used and are, more properly, simplifications of the real aspects of the territory. The development of 3D GIS tools has brought to life by the belief that the description of the reality and the analysis of the phenomena that take place in it must be done in the proper dimensions. An important field of application of GIS software tools is the utility networks management. Existing software tools that support management and 3D visualisation of utility networks are powerful but very expansive. The aim of the project is to design a general network model that will be used to model an utility network and to visualise it in 3D. The general network model has been designed to be data source and platform independent. It can take data from OGC standard compliant data source like GeoDBMS and WFS Servers and can be enriched by a user defined set of attributes, making it suitable for every network analysis and management need. On the top of the general network model has been designed a geometrical model that transforms the general network model in a 3D model which can be displayed using a WebGL graphic engine. Using the general network model and the geometrical model has been designed and developed a WebGL viewer that visualises the network model over a DTM with a complete navigation system that allows a complete tour of the scene and data query and editing
Numero di pagine 78
Parola chiave 3D, GIS, utility networks, WebGL
Relatore Rumor, Massimo
Appare nelle tipologie: Lauree specialistiche
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