Calligraphic projection

Calligraphic projection is a system for displaying or projecting an image composed of a beam of light or electrons directly tracing the image, as opposed to sweeping in raster order over the entire display surface, as in a standard pixel-based display. Calligraphic projection is presently often used for laser lighting displays, whereby one or more laser beams draws an image on a screen by reflecting the laser beam from one or more mirrors attached to a deflecting mechanism.

Analog oscilloscopes have customarily employed this kind of vector graphics, as did a number of CRT-based vector monitor computer graphics terminals in the 1970s and 1980s, such as the Tektronix 4014 and the Evans & Sutherland Picture System.

Calligraphic projection is sometimes called Lissajous projection, after the mathematical figure (and mathematician).

See also


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.