Emergent Urbanism

Rediscovering Urban Complexity

emergence

Chaos re-emerges

1960's psychedelic art?

landscape-chaos

Or the American landscape?

Decoding paradise - the emergent form of Mediterranean towns

scarano4

Serifos in Greece

Producing land with nested markets

The Poundbury Grid, from Streets and Patterns by Stephen Marshall

The Poundbury Grid, from Streets and Patterns by Stephen Marshall

Creating the emergent dimension, or learning from Wikipedia

In Architecture: Choice or Fate, his manifesto for New Urbanism, classicist Leon Krier produced many inspirational images of urban complexity, going as far as a fractal comparison of modern and traditional buildings. The cover of the book, a fictional resort town for Tenerife, presents a fascinating case study of complex symmetry; no building is the same as another, but all share the same geometric properties. That would not be unusual had it not been an architectural manifesto.

The emergent dimension, or why New Urbanism is not urbanism

There are two methods for producing fractal geometry. The first method, the decomposition, is the most easily understood. In a decomposition we apply an algorithm that breaks up the geometry of some starting point into several parts. We then re-apply this algorithm to the smaller parts created, obtain many more, even smaller parts, and continue this reiteration until we have reached the complexity limit at the smallest scale of object we can possibly make. This is how an architectural design proceeds because it reflects the way that building proceeds.

A demonstration of complexity in New York City

This discussion originally appeared on the Wired New York forums.

Allow me to point to a great example of contemporary emergence in New York City, and perhaps clarify the principles involved.

This, as most of you probably know, is Times Square.

Fake Complexity - CCTV Headquarters

Engineering firm ARUP provided the complexity for this project.

From time to time I happen upon an attempt to "do" complexity that completely misses the point. In this first installment of many "Fake Complexity" topics, the culprit is Rem Koolhaas and his CCTV Headquarters for Beijing.

The emergence of a sense of place

Modern urbanism has given us a landscape that many consider to be soulless. Everything looks the same. Nothing creates a sense of place. New Urbanism has attempted to reverse this by returning to traditional architecture and town planning forms. This was done in European new towns, under the advice of well-meaning men like the Krier brothers, in the late 1970's, and did not succeed.

A demonstration of complexity in London

The immensely productive Physicist-Mathematician-Entrepreneur Stephen Wolfram theorized, based on his studies of cellular automatons in the 1980's, that there exists four classes of physical processes in the universe. Class I is simple continuous behavior (line). Class II is repetitive behavior (checkerboard). Class III is nested, hierarchical-fractal behavior (basic fractals like the Sierpinski triangle). Class IV, the most fascinating, is chaotic behavior (random fractals such as the Mandelbrot Set).

Emerging the city

In the 20th century, the modern movement in architecture drew up grand plans to remake cities for the machine age. Le Corbusier, the leader of the movement, conceived his Radiant City plan. He designed every part of it himself so that it would work as he had willed it to. His machine provided the solution to four problems: inhabitation, work, recreation, circulation. Everything else was removed.

The idea of a machine city expressed three assumptions that led to the catastrophic results of modernism.

Further comment

Please send your comments by email at mthl@mthl.info, or find me on Twitter @mathieuhelie. The commenting system is closed at the moment as no measures can hold back blog spamming bots.

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