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Science On a Sphere
Science On a Sphere (SOS) is a spherical projection system created by NOAA. It presents high-resolution video on a suspended globe rather than a flat screen, with the aim of better representing global phenomena.〔(Introductory Documentation on Science On a Sphere )〕 Animated images of atmospheric storms, climate change, and ocean temperature can be shown on the sphere to explain these complex environmental processes. SOS systems are most frequently installed in science museums, universities, zoos, and research institutions, although new and novel uses for these systems in a variety of presentation spaces and contexts are starting to emerge.
The system is installed in more than 100 locations worldwide.〔(Science on a Sphere Locations )〕
==Configuration==
SOS uses many off-the-shelf hardware and software components combined into an innovative format.〔(Setup and Installation Details ) Retrieved on 08-03-09〕 A spherical screen covered in ordinary latex paint hangs suspended in the center of a projection space. The screen is inert; it neither moves nor has any electronic parts. Surrounding the screen are four video projectors, positioned at ninety degree increments around the screen. Each projector is responsible for one quadrant of screen space. One CPU with three graphics cards (two for the projector output and one for the user interface) is used to control the system. The custom written SOS software runs on Linux.〔()〕
SOS was invented by Alexander E. MacDonald, the director of the National Oceanographic and Atmospheric Administration (NOAA) Earth System Research Laboratory in Boulder, CO, and OAR Deputy Assistant Administrator for the NOAA Research Laboratories and Cooperative Institutes.〔(What is Science On a Sphere? ) Retrieved on 08-03-09〕 MacDonald devised the original idea for Science On a Sphere in 1995 as part of other data visualization work he oversaw in what was the former NOAA Forecast Systems Laboratory. A small but highly motivated and inventive team of NOAA staff led by chief designer David Himes wrote the SOS software and developed the SOS hardware and system architecture. This work enabled MacDonald's invention to move out from the laboratory and into performance spaces. A patent was awarded to NOAA for Science On a Sphere in August 2005, with MacDonald credited as the inventor.〔()〕 General system architecture and configuration specifications are as follows. http://sos.noaa.gov/Docs/SOSFloorplan.pdf
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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