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Rollout photography : ウィキペディア英語版
Rollout photography
Rollout photography, a type of peripheral photography, is a process used to create a two-dimensional photographic image of a three-dimensional object. This process is the photographic equivalent of a cylindrical map projection in cartography. It is used predominantly for the projection of images of cylindrical objects such as vases or ceramic vessels. The objective of this process is to present to the observer a planar representation of the object's characteristics, most notably the illustrations or artwork extant on the outside surfaces of such vessels. This planar representation is captured using photographic imaging techniques.〔Kerr, Justin. ("A Short History of Rollout Photography" ). famsi.org. Retrieved 2011-04-16.〕
==Technique==
In the basic technique, using strip photography, a camera with a vertical slit aperture is positioned opposite a turntable on which an object is centered. Both the object and the camera are oriented as precisely as possible so as to eliminate aberrations due to the focusing mechanism of the camera, the aperture, and the characteristics of the object itself. As the object is rotated on the turntable, the film is exposed in small intervals corresponding to the dimensions of the aperture. Since the image is projected onto the film backwards and upside down, the turntable spins in the direction opposite of the direction of the film advance mechanism.

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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