orthographic projection

American  

noun

1. a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection.

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orthographic projection British  

noun

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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Etymology

Origin of orthographic projection

First recorded in 1660–70

Example Sentences

Models of this kind can be made in many cases and their construction cannot be too highly recommended in order to realize orthographic projection.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

It is therefore often called drawing in plan and elevation, and sometimes simply orthographic projection.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

An orthographic projection of the sphere on the plane of the meridian, the eye being supposed at an infinite distance, and in the east or west point of the horizon.

From Webster's Unabridged Dictionary by Webster, Noah

At the same time the plan is an orthographic projection of the plane α.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

A good example of orthographic projection may be seen in the shadow cast by an object upon a piece of paper that is held perpendicular to the sun's rays.

From The Teaching of Geometry by Smith, David Eugene