orthographic projection

orthographic projection

noun
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 orthogonal projection. Compare isometric ( def 5 ).

Origin:
1660–70

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World English Dictionary
orthographic projection
 
n
1.  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.  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

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Encyclopedia Britannica
Encyclopedia

orthographic projection

common method of representing three-dimensional objects, usually by three two-dimensional drawings, in each of which the object is viewed along parallel lines that are perpendicular to the plane of the drawing. For example, an orthographic projection of a house typically consists of a top view, or plan, and a front view and one side view (front and side elevations)

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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