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Image plane

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Image plane

In 3D computer graphics

3D computer graphics

3D computer graphics are graphics that use a Cartesian coordinate system#Three-dimensional coordinate system representation of geometric data that is stored in the computer for the purposes of performing calculations and rendering 2D images....
, the image plane is that plane

Plane (mathematics)

In mathematics, a plane is a curvature surface. Planes can arise as subspaces of some higher dimensional space, as with the walls of a room, or they may enjoy an independent existence in their own right, as in the setting of Euclidean geometry....
in the world which is identified with the plane of the monitor. If one makes the analogy of taking a photograph

Photograph

A photograph is an created by light falling on a light-sensitive surface, usually photographic film or an electronic imager such as a Charge-coupled device or a Complementary metal?oxide?semiconductor chip....
to rendering a 3D image, the surface of the film is the image plane. In this case, the viewing transformation is a projection

3D projection

3D projection is any method of mapping three-dimensional points to a two-dimensional plane. As most current methods for displaying graphical data are based on planar two-dimensional media, the use of this type of projection is widespread, especially in computer graphics, engineering and drafting....
that maps the world onto the image plane. A rectangular region of this plane, called the viewing window or viewport, maps to the monitor.

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Encyclopedia

In 3D computer graphics

3D computer graphics

3D computer graphics are graphics that use a Cartesian coordinate system#Three-dimensional coordinate system representation of geometric data that is stored in the computer for the purposes of performing calculations and rendering 2D images....
, the image plane is that plane

Plane (mathematics)

In mathematics, a plane is a curvature surface. Planes can arise as subspaces of some higher dimensional space, as with the walls of a room, or they may enjoy an independent existence in their own right, as in the setting of Euclidean geometry....
in the world which is identified with the plane of the monitor. If one makes the analogy of taking a photograph

Photograph

A photograph is an created by light falling on a light-sensitive surface, usually photographic film or an electronic imager such as a Charge-coupled device or a Complementary metal?oxide?semiconductor chip....
to rendering a 3D image, the surface of the film is the image plane. In this case, the viewing transformation is a projection

3D projection

3D projection is any method of mapping three-dimensional points to a two-dimensional plane. As most current methods for displaying graphical data are based on planar two-dimensional media, the use of this type of projection is widespread, especially in computer graphics, engineering and drafting....
that maps the world onto the image plane. A rectangular region of this plane, called the viewing window or viewport, maps to the monitor. This establishes the mapping between pixels on the monitor and points (or rather, rays) in the 3D world.

See also

Real image
Real image

In optics, a real image is a representation of an object in which the perceived location is actually a point of convergence of the ray that make up the image....
Focal plane