PATTERN RECOGNITION
representative image of pattern, effective dpi of 300 (typical)
De Young Museum, Herzog & de Meuron, Completed in 2005 ARCH 462M | FALL 2013 CHUN LIU | YAO LI The unique faรงade pattern helps the de Young Museum and the tower to blend into nature by simulating dappled light filtering through a canopy of trees. Two Patterns, derived from the digital images of trees, are superimposed to create a layered composition in color and texture. Thus, the layered skin would manipulate light similar to environment in nature. This effect is successfully realized in the built structure, and is evident when viewing the building from virtually any vantage point. Pixel pattern is translated into an alternating grid of protruding and depressed embossings which have four depths to define different degrees of light and shadow. Copper material is chosen for its changeable quality through oxidation. When the color of copper change to a rich patina over time, the faรงade simulates mottled canopy with light and dark. The blending effect would be graceful with the surrounding natural environment. Perforation pattern is projected in six different diameters. It defines solid and void area in response to viewing, lighting and ventilation requirements. Densely wider Circular perforations are apertures which allow more light and airflow to pass through, also let tourists see through. Especially in broad staircases area, people are able to see the exterior landscape and the major square via these wider circular perforations.