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单词 orthographic projection
释义

orthographic projection


orthographic projection

n 1. (General Engineering) a style of engineering drawing in which true dimensions are represented as if projected from infinity on three planes perpendicular to each other, avoiding the effects of perspective 2. (Physical Geography) a type of zenithal map projection in which the area is mapped as if projected from infinity, with resulting distortion of scale away from the centre

orthograph′ic projec′tion


n. a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection. Also called orthog′onal projec′tion. Compare isometric (def. 4). [1660–70]

orthographic projection

a rendering of an object or floor plan of a building in scale as viewed perpendicularly from above. Cf. isometric projection.See also: Drawing

Orthographic Projection


orthographic projection

[¦ȯr·thə¦graf·ik prə′jek·shən] (crystallography) A projection for displaying the poles of a crystal in which the poles are projected from a reference sphere onto an equatorial plane by dropping perpendiculars from the poles to the plane. (graphic arts) orthogonal projection (mapping) A perspective azimuthal projection of one hemisphere produced by straight parallel lines from any point desired from an infinite distance; it is true to scale at the center only. (mathematics) orthogonal projection

orthographic projection

A method of projection in which a three-dimensional object is represented by projecting lines perpendicular to a picture plane. See also: Projection drawing

Orthographic Projection

 

a perspective cartographic projection. Because of considerable distortions, it is not used in cartography.

orthographic projection

Projection in which exact views of an object are constructed by extending perpendiculars from points on the object to the plane of projection.
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