…Euclid established the theory that the line of sight when a person sees an object is a straight line and that this line of sight forms a cone, and determined the visual corn. The Roman Vitruvius clarified the vanishing point in his Ten Books on Architecture (around 25 BC), and Ptolemy recognized the visual center and visual ray (around 140). The idea of treating the human visual field as a fixed point and geometrically determining what can be seen from there arose from an interest in the science of vision, and at the same time, it is thought that it was based on a human-centered, orderly view of the world (Galen in the 2nd century presented the idea of curved perspective, based on the fact that the human eye is spherical).… *Some of the terminology that mentions "visual ray" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ユークリッドは,人が個体を見る視線が直線であり,この視線が円錐形をなすという理論をたて,視錐visual cornを決定した。ローマのウィトルウィウスは《建築十書》(前25ころ)で消失点vanishing pointを明らかにし,プトレマイオスは視心visual centerと視光線visual rayを認識した(140ころ)。人間の視覚を一定点として,ここから見られる視覚を幾何学的に決定するという理念は,視覚の科学についての関心から出たと同時に,人間中心の,秩序ある世界観が根底にあったと考えられる(2世紀のガレノスは,人間の眼は球面であることから,曲面遠近法の理念を示した。… ※「visual ray」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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