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id ecaadesigradi2019_658
authors Stouffs, Rudi
year 2019
title Predicates and Directives for a Parametric-associative Matching Mechanism for Shapes and Shape Grammars
source Sousa, JP, Xavier, JP and Castro Henriques, G (eds.), Architecture in the Age of the 4th Industrial Revolution - Proceedings of the 37th eCAADe and 23rd SIGraDi Conference - Volume 2, University of Porto, Porto, Portugal, 11-13 September 2019, pp. 403-412
summary Predicates and directives are proposed to extend the versatility and expressivity of a shape rule specification 'language'. Specifically, a predicate serves to express a condition on the application of a parametric-associative shape rule that cannot simply be explicated within the left-hand side shape. A directive, on the other hand, is a value specification that is required when applying a parametric-associative shape rule, where this value specification cannot be derived from or expressed within the right-hand-side shape. We discuss the benefits of a set of predicates and directives to address seemingly simple requests that might actually be hard to express otherwise. Specifically, we elaborate on the motivation for introducing predicates and directives, and demonstrate the various predicates and directives in more detail, including their implementation.
keywords shape rule; shape grammar; predicate; directive; parametric-associative rule
series eCAADeSIGraDi
email stouffs@nus.edu.sg
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