Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/114050
Title: Exploration of urban street patterns
Authors: Chee, Z.J.
Janssen, P. 
Keywords: Axial line analysis
Decision chain encoding
Evolutionary algorithms
Generative modelling
Urban street patterns
Issue Date: 2013
Citation: Chee, Z.J.,Janssen, P. (2013). Exploration of urban street patterns. Open Systems - Proceedings of the 18th International Conference on Computer-Aided Architectural Design Research in Asia, CAADRIA 2013 : 695-704. ScholarBank@NUS Repository.
Abstract: In urban design, researchers have developed techniques to automate both the generation and evaluation of urban street patterns. In most cases, these approaches are investigated in isolation from one another. Recently, a number of researchers have attempted to couple these approaches, in order to enable larger numbers of street patterns to be generated and evaluated in an iterative loop. However, to date, the possibility of fully automating the generative-evaluative loop using optimisation algorithms has not been explored. This research proposes an explorative design method in which urban street patterns can be optimised for multiple conflicting performance criteria. The optimisation process uses evolutionary algorithms to evolve populations of design variants by iteratively applying three key procedures: development, evaluation, and feedback. For development, a generative technique is proposed for constructing street patterns. For evaluation, various performance measures are used, including in particular Space Syntax based Axial Line analysis. For feedback, a Pareto-ranking algorithm is used that ranks street patterns according to multiple criteria. The proposed method is demonstrated using an abstract scenario in which orthogonal street patterns are evolved for a small urban area.
Source Title: Open Systems - Proceedings of the 18th International Conference on Computer-Aided Architectural Design Research in Asia, CAADRIA 2013
URI: http://scholarbank.nus.edu.sg/handle/10635/114050
ISBN: 9789881902641
Appears in Collections:Staff Publications

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