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- GENERATIVE CODES HAVE EVOLVED FROM PATTERN LANGUAGES, BUT ARE MUCH MORE SOPHISTICATED GENERATING SYSTEMS
|A generative code is a system of unfolding steps that enable people in a community to create a wholesome and healthy neighborhood. The steps are governed by rules of unfolding that are not rigid, but depend on context, and on what came before. The rules work in a way that is similar to the rules that nature follows to unfold an organism or a natural landscape, much as genetic codes unfold embryos. But these rules unfold a neighborhood and its buildings from the whole, and lead to a unique result for each particular place.The rules tell you how to take specific steps, in a certain way that allows unfolding to proceed.|
|When a generative code is used, the order in which things are done plays a decisive role in proper execution of the unfolding process. For example:|
FOOTNOTEIn order to see the contrast, here is the order in which these things were usually done in conventional 20th-century development work, many of them specified in existing city codes. In current practice, there are many conventions of sequence, which have become part of the accepted wisdom, in planning, architecture, and development.
The following examples are all harmful:
Conventionally: Roads are built before the buildings they serve. Conventionally: In a tract development, street sewers are laid long before the houses are built. Conventionally: Houses are placed, and the garden is whatever is left on the lot, comes second. Conventionally: Windows are designed and positioned at the time the building's plans are submitted for plan check. Conventionally: Drawings are completed before any construction work is done. Conventionally: Neighborhood plans are completed, before any construction work is done. Conventionally: Public spaces are designed after individual buildings. Conventionally: Changes are done by change orders, and therefore become very expensive.
These practices do not support the creation of living neighborhoods.