| 2011 | François Quévillon |
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Using live environmental data collected from the Internet, Quévillon presents a vision of the “physical” state of the world which, by conveying the fluctuations of weather, is at once dreadful and marvelous. We find ourselves face-to-face with the sublime, with the romanticism of the digital age. Our sole power resides in the act of representation, which may lead to prediction. Insofar as perception is an intermeshing of thought and knowledge, the role of the imagination is no longer passive here, but allows us to act within the interstices of what one calls “the real.”
This installation invites to explore 3D models of geographical locations that are transformed according to real-time environmental data collected on the Internet. By their displacements in front of the projection, the public interacts with a digitized space whose appearance and recognizability are determined by information about ongoing meteorological and astronomical phenomena. In addition to its visualization, the data transmitted by remote environmental sensors is sonified.
The distant locations shown were created by the use of photogrammetry, geomatic data and 3D modeling. These point cloud models provide XYZ coordinates that are used in a changing virtual space which reassembles a dynamic particle system. The display and positions of the points and of the mesh that connects them are determined by the following environmental information as a mean to evoke or simulate them :
Local time : Point size and brightness.
Temperature : Point color.
Cloudiness : Point color saturation and brightness.
Wind : Point displacement reflecting speed and direction.
Visibility : Intensity of a depth of field effect and transparency.
Humidity : Depth of field focus distance and point sharpness.
Precipitation : Lines are drawn from the sky to the ground and points are destabilized.
Lunar phase : Brightness of the lines.
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