Abstract
AbstractThis article focuses on a shape grammar, therabo-de-bacalhauhousing style, that was developed to enable the adaptation of existing houses to new requirements and most particular on the process of inference of the grammar. In the article we describe the process undertaken to develop the grammar and what the achievements of the transformation grammar are regarding the possibilities of a mass customization of a dwelling's rehabilitation work. The goal of this article is to describe and discuss how the designer's knowledge was encoded into shape rules. The process used to extract the architect's knowledge and to incorporate it into the transformation grammar enable us to abstract the designer's actions and to define a sequence of actions that can define a possible strategy of design. The proposed design methodology generates dwelling layouts that are legal because they follow the grammar language and adequate because they meet the a priori user and design requirements.
Highlights
Shape grammars were invented by Stiny and Gips (1972) more than thirty years ago
Along the article we describe the process undertaken to develop the grammar and what the achievements of the transformation grammar are regarding the possibilities of a mass customization of dwelling’s rehabilitation work
Rehabilitation processes can be executed on an individual case basis for each family/dwelling combination, defining a methodology based of a transformation grammar to support the process clarifies decision-making and speeds up the design process
Summary
Shape grammars were invented by Stiny and Gips (1972) more than thirty years ago. A shape grammar is a set of rules that apply step-by-step to shapes to generate a language of designs. Original grammars enable new designs to be generated, based on a shape vocabulary and the spatial relations between the shapes. According to Knight (2000), the first research into analytical grammars was carried out by Stiny in 1977, based on an analysis of Chinese lattice designs. This was the first parametric grammar and contained only 5 rules that enabled all known Chinese patterns to be generated, as well as endless new hypothetical designs. A shape grammar is not a deterministic process since it enables multiple designs to be generated, based on a single language but determined by different choices. The proposed transformation grammar is explained and thirdly the process to infer the transformation grammar is described step by step
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