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weather.tower febrero 8, 2010

Posted by christian saucedo in Media facade.
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Tipo. Fachada media – reactiva

Autor. Arq. Philippe Samyn & Partners, M & J.M. Jaspers – J. Eyers & Partners

Autor instalación. LAb[au] (Laboratory for architecture & urbanism)

Edificio. Torre Dexia

Ciudad. Bruselas

País. Bélgica

Año. 2008

Web. http://lab-au.com/inter/LAb%5bau%5d_october2008_eng.pdf

Imágenes. http://lab-au.com/inter/LAb%5bau%5d_october2008_eng.pdf

Video.

Vía. http://electroland.net/

Descripción

Description

Dexia-tower

Weathr.tower

project edition: who’s_afraid_of_RGB
Year of conception: 2007
Displayed from: 22.10.2007 – 15.12.2008

Commissioner: Dexia
Artists: LAb[au]
Copyright images: © Artists: LAb[au] – Architects: Philippe Samyn & Partners, M & J.M. Jaspers – J. Eyers & Partners – Lighting engineer: Barbara Hediger

About:

The project takes as starting point Brussels’ 145 m high Dexia Tower, from which 4200 windows can be individually color-enlightened by RGB-led bars. see image : Dexia Tower For the next months the weather.tower project see image : weather.tower , part of the series who’s_afraid_of_RGB, will forecast tomorrow’s weather for Brussels, in collaboration with the Royal Meteorological Institute of Belgium.

The project displays tomorrow’s temperature, cloudiness, precipitations, and wind, by using colors and geometrical patterns to visualize/transcribe these real-time provided data by the RMI.

A color-code corresponds to tomorrow’s temperature compared to the monthly average, linked to a scale of color-temperatures ranging from violet ( -6° or colder ), blue ( -4° ), cyan ( -2° ), green ( monthly average ), yellow ( 2° ), orange ( 4° ) to red ( 6° or warmer ) see image : coulor code

For example: When tomorrow’s temperature is two degrees higher than the monthly average, the tower colors ‘yellow’. Furthermore, the level (dark / light) of this color corresponds to the light-condition of the sky of the upcoming day.

Geometrical patterns are derived out of a vector-field , constituted of small lines which constantly re-orient causes patterns and symbols to appear. see image : vector field These patterns are visualizing tomorrow’s cloudiness, showers (rain, snow, ice …) see image : weather type:rainand wind. see image : weather: wind

In between the different patterns the vectors align to horizontal or vertical lines forming transitions between the different patternssee image : transitions

The resulting geometric play of colours and shapes mirrors tomorrows ‘sky’ condition in form of agitation and brightness (light) . The transcription of common data into light establishes the tower as an urban landmark, a common sign. see image : landmark

//

DEXIA TOWER

Place Rogier (Saint-Josse-ten-Noode)
Brussels, Belgium see image : map

Architect of the tower:
Samyn and Partners & Michel Jaspers & Partners
Lighting engineer: Barbara Hediger
Lightening system by: space canon

Measuring 145 metres from top to bottom and counting 38 floors, the Dexia Tower see image : dexia-tower is the third highest building in Brussels built in 2004-2005 replacing the former Martini-tower, one of the first European multi-functional towers and a former city landmark see image : brussels-ranking The Tower is visible from several major traffic arteries in the capital and is situated precisely in the middle of the Mint Square – North Station axis. see image : cityview-day
It has a trapezium-shaped footprint covering an area of 4,400 square metres. see image : iroqoui

The building has a total of 6,000 windows behind each is a lighting fixture consisting on average of 12 light bulbs, each with three LEDs – a green, a red and a blue – that can be combined into a complete colour palette. see image : RGB-windows The building with its 6000 windows each containing 72 LED’s can fire up to 420000 Watt of Light. A rapid change in the colour of the lamps instantaneously gives an impression of movement. The facade can show figures, letters, geometric shapes with various effects and also graphic designs. see image : touch-project To start the lighting system, all blinds should be closed as the LED’s are not strong enough to light up each window by its own. The reflection on the closed blind illuminates the whole surface of the window.

The system is controlled by a central computer. The result is entered in a programme to be translated for the lighting system by the computer.The data are sent through a rapid computer network to three distribution centres spread out on the various floors of the tower constituting a network of 25 Km cables running through the building from the first till the thirty-ninth floor.These centres translate the data for groups of about 100 windows. These data are then distributed to the 100 footlights of each group, which will receive their individual data through a small integrated computer. They will then determine the proportion of red, green and blue necessary to obtain the colour wanted for this particular window. The supercomputer calculates more than 20 images per second and each of the 6000 windows has such a small computer to check the colour to be displayed about 20 times per second The Dexia Tower is equipped with a highly effective energy-saving LED lighting system (electroluminescent diods). Each led, at its maximum capacity, uses 1 watt. As a result of the various colour and movement effects, this maximum capacity is never achieved. The different creations presented so far have never exceeded one third of this total capacity.

During the night, the tower is illuminated 9 hours in the winter and 5 hours in the summer. Recent tests reveal that the Dexia Tower uses about a third less electricity than the Eiffel Tower in Paris, while the energy required to light a football stadium costs no less than seven times the energy consumed by the Tower. The tower is a building with former three (4200 windows) and since 2009 four (6000 windows) illuminated facades, visible both in the neighbourhood and from distance.

see image : view from distance 1
see image : view from distance 2
see image : view from distance 3
see image : view from distance 4
see image : view from distance 5

The tower emerges from the city like a signal and contributes to Brussels landscape.

The enlightening philosophy of the tower focuses on the tower to become a major urban landmark which due to its artistic projects, all expressing in an abstract manner the relationship between art-architecture and the city, should establish the tower as a light sign, an urban sign. In this respect the three main axes for the enlightening are:

a permanent illumination (ex. Who’s afraid of RGBchrono.tower)
see image : chrono.tower project

an original creation every year (ex. Touch project in 2006)
see image : touch project

a participation in a limited series of national and international events. (ex. Spectr[a]um)
see image : spectr[a]um event

offical text from www.dexia-tower.com

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