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In 3D user interaction (3DUI) the humans interacts with a computer or other device with an aspect of three-dimensional space. This interaction is created thanks to the interfaces, which they will be the intermediaries between human and machine. The 3D space used for interaction can be the real physical space, a virtual space representation simulated in the computer, or a combination of both. When the real physical space is used for data input, human interacts with machine performing actions using input device that should know the relative position and distance of the user action among other things. When it is used for data output, the simulated 3D virtual scene is projected onto the real environment through one output device. == History == Research in 3D interaction and 3D display began in the 1960s, pioneered by researchers like Ivan Sutherland, Fred Brooks, Bob Sproull, Andrew Ortony and Richard Feldman. But it was not until 1962 when Morton Heilig invented the Sensorama simulator. It provided 3D video feedback, as well motion, audio, and feedbacks to produce a virtual environment. The next stage of development was Dr. Ivan Sutherland’s completion of his pioneering work in 1968, the Sword of Damocles. He created a head-mounted display that produced 3D virtual environment by presenting a left and right still image of that environment. Availability of technology as well as impractical costs held back the development and application of virtual environments until the 1980s. Since then, further research and technological advancements have allowed new doors to be opened to application in various other areas such as education, entertainment, and manufacturing. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「3D user interaction」の詳細全文を読む スポンサード リンク
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