Parametricism - Associative geometry

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Parametric CAD software allows the creation of associative geometric objects that are defined by variable parameters. The manipulation of these parameters allows the creation of variations in real time directly controlled by the operator. Associative geometry refers to the definition of relations between geometries and between geometric and non-geometric entities. The creation of complex designs always begins with a simple basis that is supplemented by further layers. The resulting forms consist of different hierarchies, each with their own set of rules. The single layers and their elements are again linked to one another in the sense that the resulting geometry is called associative. A parametric design method is therefore a method through which the basic elements are arranged in mutually interwoven hierarchies and sub-hierarchies that are then again used as generators to create additional elements, layers and hierarchies.

Fig. 12 Blob Architektur, Selfridge Store, Future Systems

As a matter of principle, parametric modeling is the processing of information through an algorithmic flow. The purpose of this approach is the easy adjustment of the parameters after completion of the algorithmic process flow. The start point, end point, and each intermediate step remain editable at any time. This makes it possible to create unlimited variants by modifying simple geometric parameters.