orthographic projection

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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
References in periodicals archive ?
Zona could then automatically pump out 2D floor plans, elevations, sections and orthographic projections for the builders.
Recognizing the explosion of digital tools since the first edition, this third edition provides current information on CAD rendering and digital and Web-based portfolios, and contains new material on orthographic projections and drafting.
The programmer can spin and inspect the part solid on the screen without trying to visualize it from orthographic projections.