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Line Drawing System-1

LDS-1 (Line Drawing System-1) was a calligraphic (vector, rather than raster) display processor and display device created by Evans & Sutherland in 1969. This model was known as the first graphics device with a graphics processing unit.

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Features

It was controlled by a variety of host computers. Straight lines were smoothly rendered in real-time animation. General principles of operation were similar to the systems used today: 4x4 transformation matrices, 1x4 vertices. Possible uses included flight simulation (in the product brochure there are screenshots of landing on a carrier), scientific imaging and GIS systems.

History

The first LDS-1 was shipped to the customer (BBN) in August 1969.3 Only a few of these systems were ever built. One was used by the Los Angeles Times as their first typesetting/layout computer. One went to NASA Ames Research Center for Human Factors Research. Another was bought by the Port Authority of New York to develop a tugboat pilot trainer for navigation in the harbor. The MIT Dynamic Modeling had one, and there was a program for viewing an ongoing game of Maze War. 45

See also

See also

References

  1. Evans & Sutherland Computer Corp. and DEC (January 1970). "LDS-1/PDP-10 Display System" (PDF). Evans & Sutherland. http://bitsavers.org/pdf/evansAndSutherland/lds-1/LDS-1_Brochure.pdf ↩

  2. Evans, David C (March 1971). "Graphical Man-Machine Communications (semi-annual technical report for 1 July 1970 to 31 December 1971" (PDF). Defense Advanced Research Projects Agency. Archived from the original (PDF) on March 4, 2016. https://web.archive.org/web/20160304051542/http://www.dtic.mil/dtic/tr/fulltext/u2/725102.pdf ↩

  3. Line Drawing System Model 1 System Reference Manual (PDF). Evans & Sutherland Computer Corp. January 1, 1970. p. 4. http://www.bitsavers.org/pdf/evansAndSutherland/lds-1/LDS-1_System_Reference_Man_Jan70.pdf ↩

  4. "DigiBarn Events: David Lebling describes Maze at MIT (1974+)". www.digibarn.com. Retrieved 2021-08-04. https://www.digibarn.com/history/04-VCF7-MazeWar/stories/lebling.html ↩

  5. Moss, Richard (2015-05-21). "The first first-person shooter". Polygon. Retrieved 2021-08-04. https://www.polygon.com/features/2015/5/21/8627231/the-first-first-person-shooter ↩