In his design for the Church of Colònia Güell he created a model of strings weighted down with birdshot to create complex vaulted ceilings and arches. One of the earliest examples of parametric design was the upside down model of churches by Antonio Gaudi. Īn upside down force model of the Sagrada Família, Sagrada Família Museum Form-finding optimizes certain design goals against a set of design constraints, meaning the final form of the designed object is "found" based on these constraints. So called "form-finding" processes are implemented through propagation-based systems.
Constraint systems, in which final constraints are set and algorithms are used to define fundamentals (structures, material use, etc) that satisfy these constraints.
Propagation-based systems, in which algorithms result in final shapes that are unknown based on initial parametric inputs, through a dataflow model.Parametric modeling can be divided into two main types: He attached weights onto a system of strings to determine shapes for building features, such as arches. Antoni Gaudí used a mechanical model for architectural design (see analogical model). While today the term refers to the use of computer algorithms in design, there are precedents in the work of architects. The term parametric refers to input parameters fed into the algorithms. In this method, parameters and rules determine the relationship between design intent and design response. Parametric design is a design method where features (such as building elements and engineering components) are shaped according to algorithmic processes, in contrast to being designed directly.
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