The following paper describes a shape grammar that recreates Palladian villas. A Palladian grammar was originally proposed by Stiny and Mitchell. However, this alternative grammar uses different parametric shape rules and methodology to test the hypothesis that different grammars can generate the same corpus of designs.The formalism is then implemented using a computerised design tool.The grammar includes subdivision rules that allow for a more economical formulation. A new corpus of solutions is explored and the derivation is compared with the original Palladian grammar. The project is part of wider research aimed at formulating a generic housing grammar.
Shape grammars are formulations consisting of transformation rules that describe design. Previous studies have focused on recreating the style of family-related solutions. This study does not aim to recreate a specific architectural style but is part of wider research aimed at inferring shape grammars. It is believed that more than one grammar can be developed for the same style, but no one has ever demonstrated this possibility. In addition, no one has ever developed a grammar that can describe more than one style. The aim of this work is to demonstrate both possibilities. Firstly, it proposes a shape grammar that can produce three different design styles, and, secondly, it uses a process that is distinctively different from other tested examples yet still produces the same corpus of designs. It also enables a new corpus of designs to be produced, which had not been possible using the previous (or original) grammars. A selected case study of three grammars, namely for Palladian, Prairie and Malagueira houses, allowed for comparison and observation of the different processes and shape rules and for a new set of rules to be proposed, combined in a shape grammar. This was followed by the recreation of a new subdivision type of grammar with a top-down approach and a set of generic design rules. The result is a generic shape grammar that enables three different house styles to be designed from the same formulation.
Abstract. This paper describes a system for generating customized mass housing. The aim is to provide dwellings at an affordable cost with recourse to mass production and yet guarantee that they are tailored to their users. It combines two systems, a rule-based design system and a prefabricated building system. The integration of both systems is achieved through the development of a computer tool to assist designers in the various stages of the housing design process. This tool produces three kinds of outputs: three dimensional models, construction drawings, and a list of construction elements, including their cost and information for manufacturing.
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