perspective center

perspective center

[pər′spek·tiv ‚sen·tər]
(graphic arts)
The point of origin or termination of bundles of rays or projecting lines directed to a point object, for a photographic image or drawing, respectively.

perspective center

The point of origin or termination of bundles of perspective rays.

perspective center

perspective center
A term used in aerial photography meaning the point of origin of bundles of perspective rays. The two such points usually associated with survey photographs are the interior perspective center and the exterior perspective center. In a perfect lens camera system, perspective rays from the interior perspective center to the photographic image enclose the same angles, as do the corresponding rays from the exterior perspective center to the subject photographed. In a lens with distortion, this is true only for a particular zone of the photograph. In a perfectly adjusted lens camera system, the exterior and the interior perspective centers correspond, respectively, to the front and rear nodal points of the camera lens.
References in periodicals archive ?
The Perspective center was founded last August by members of several clubs with seed money and political protection from the Soviet Sociological Association.
Conventionally, politics is seen as centered upon the state, but as Warren Magnusson (1997) argues, an alternative, Aristotelian perspective centers politics on the problem of judgment.
Differing cultural practices aside, the most fundamental understanding of a family ministry perspective centers on where the fruits of our ministry are eventually borne out.