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A projection plane, or plane of projection, is a type of view in which graphical projections from an object intersect. Projection planes are used often in descriptive geometry and graphical representation. A picture plane in perspective drawing is a type of projection plane.

With perspective drawing, the lines of sight, or projection lines, between an object and a picture plane return to a vanishing point and are not parallel. With parallel projection the lines of sight from the object to the projection plane are parallel.

• Perspective projection of triangle ABC on plane Π from point S.
• Axonometric projection on projection plane Π
• A cube in two-point perspective
• Simulated rays of light travel from the object, through the projection plane, and to the viewer's eye or camera. This is the basis for graphical perspective.
• Various graphical projections and how they are produced

See also

• Image plane
• Picture plane

References

1. Gary R. Bertoline et al. (2002) Technical Graphics Communication. McGraw–Hill Professional, 2002. ISBN 0-07-365598-8, p. 330.

• Graphical projections
• Planes (geometry)