Generating urban fabric in the orthogonal or non-orthogonal urban landscape

Qingyu Gong, Jingzhu Li, Tong Liu and Na Wang

Environment and Planning B, 2020, vol. 47, issue 1, 25-44

Abstract: Urban designers find it virtually impossible to (re)construct self-organising urban fabric formed by a synthesis of various builders. Here we show how generic, bottom-up grammars represent historic urban fabric in a unique context, and how shape rules are embedded in the evolutionary context. This paper generalises and formalises a context-free grammar and a context-sensitive grammar to describe and design two broadly categorised (i.e. orthogonal and non-orthogonal) urban patterns. Both grammars are constructive and employ morphological parameters to govern the patterning towards a desired form. The context-free grammar describes the density and aggregation of built forms while the context-sensitive grammar represents the interactions between streets and plots. Both grammars were applied to preserve the figure-ground relationship and proved effective in designing complex urban fabric.

Keywords: Urban design; shape grammars; generative design; design methods; urban morphology (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:sae:envirb:v:47:y:2020:i:1:p:25-44

DOI: 10.1177/2399808318761667

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