Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/28309
Title: A perceptual evaluation of urban space using GIS-based 3D volumetric visibility analysis
Authors: SIMON YANUAR PUTRA
Keywords: Urban Space GIS 3D Visibility Analysis
Issue Date: 8-Jan-2008
Source: SIMON YANUAR PUTRA (2008-01-08). A perceptual evaluation of urban space using GIS-based 3D volumetric visibility analysis. ScholarBank@NUS Repository.
Abstract: Recent developments of non-GIS spherical analysis such as SOI, SVF, and Sky Opening, have inspired development of a GIS-based volumetric visibility analysis referred as the Viewsphere. It was proposed in this dissertation for measuring the quality of urban open space, by volumetric computation of ambient optic array, a concept originated from Gibson's ecological perception theory. As its predecessors the isovist and the viewshed analysis, the concept of viewsphere identifies visible and invisible parts of geometrical surfaces from vantage points. Through its development, we can operate volumetric computation of visible urban space. With the consideration of the third dimension of urban space, we argue that a volumetric visibility impact assessment for large-scale urban design and development will provide a more relevant result than planar measurement and will provide better information about how urban quality can be achieved by the alternative urban forms and interventions.
URI: http://scholarbank.nus.edu.sg/handle/10635/28309
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