Projection
Appearance
Projection, projections or projective may refer to:
Optics
- Projection, the display of images by a projector, using devices such as
Graphics
- Map projection, reducing the surface of a three-dimensional planet to a flat map (geography)
- Graphical projection, the production of a two-dimensional image of a three-dimensional object
- Parallel projection
- Orthographic projection, including:
- Multiview projection
- Floor plan view
- Cross section (geometry), a view of the interior at a particular cutting plane
- Axonometric projection, including:
- Multiview projection
- Oblique projection
- Orthographic projection, including:
- Perspective projection
- Parallel projection
Chemistry
Mathematics
- Projection (mathematics), any of several different types of geometrical mappings, including
- Projective geometry, a non-Euclidean geometry that involves
- Projective module, a generalization of a free module
- Projective object, a further generalization, in category theory
- Projection method (fluid dynamics)
Biology
- Projection areas, areas of the brain where sensory processing occurs
- Projection fiber, in neuroscience, white matter fibers that connect the cortex to the lower parts of the brain or the spinal cord.
Arts and entertainment
- "Projections" (Star Trek: Voyager), an episode of the television series Star Trek: Voyager
- Projections (album), 1966 album by The Blues Project
- Projections (John Handy album), 1968 album
- Projections (film), 2013 Croatian film
Other uses
- Projection (alchemy), process in Alchemy
- Power projection, the capacity of a state to implement policy by means of force, or the threat thereof
- Psychological projection, or "Freudian projection", a defense mechanism in which one attributes to others one's own unacceptable or unwanted attributes, thoughts, or emotions
- Forecasting of future developments based on current statistics and trends