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

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 Project Gutenberg

It is assumed that the student has already learnt to draw to scale, and that he can draw two or more views of the same object in simple or orthographic projection.

From Project Gutenberg

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 Project Gutenberg

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

From Project Gutenberg

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 Project Gutenberg