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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 17, Iss. 19 — Oct. 1, 1978
  • pp: 3146–3151

Computer-graphics analysis of atmospheric refraction

W. H. Lehn and M. B. El-Arini  »View Author Affiliations


Applied Optics, Vol. 17, Issue 19, pp. 3146-3151 (1978)
http://dx.doi.org/10.1364/AO.17.003146


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Abstract

Interactive computer graphics is applied to the transmission of visual images through the lower atmosphere. The required input data to the computer consist of an atmospheric temperature profile and light-pen sketches of three objects at various distances from the observer. A transfer characteristic, computed from a bundle of rays leaving the observer, maps each object’s actual location into a corresponding image. The three images, and the horizon line, are then simultaneously displayed on the graphics terminal, thus generating a pictoral version of what the observer would see. This program provides an essential aid to the study of atmospheric refraction.

© 1978 Optical Society of America

History
Original Manuscript: January 30, 1978
Published: October 1, 1978

Citation
W. H. Lehn and M. B. El-Arini, "Computer-graphics analysis of atmospheric refraction," Appl. Opt. 17, 3146-3151 (1978)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-17-19-3146


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References

  1. J. M. Pernter, F. M. Exner, Meteorologische Optik (Wilhelm Braumüller, Vienna, 1922).
  2. H. L. Sawatzky, W. H. Lehn, Science 192, 1300 (1976). [CrossRef] [PubMed]
  3. W. H. Lehn, H. L. Sawatzky, Z. Polarforsch. 45, 120 (December1975).
  4. G. H. Liljequist, “Refraction Phenomena in the Polar Atmosphere,” in Scientific Results, Norwegian-British-Swedish Antarctic Expedition, 1949–52 (Oslo U.P., Oslo, Sweden, 1964), Vol. 2, Part 2.
  5. A. Wegener, Med. Groenl. 42, 125 (1914).
  6. F. Nölke, Phys. Z. 18, 134 (1917).

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