Definition: A partition of the plane into regions by drawing a horizontal straight line through each vertex p of a planar straight-line graph until it intersects an edge e of the graph or extends to infinity. The edge e is said to be horizontally visible from p.
See also vertical visibility map, visibility map, visible.
Note: From Algorithms and Theory of Computation Handbook, page 19-27, Copyright © 1999 by CRC Press LLC. Appearing in the Dictionary of Computer Science, Engineering and Technology, Copyright © 2000 CRC Press LLC.
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Entry modified 17 December 2004.
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Cite this as:
Algorithms and Theory of Computation Handbook, CRC Press LLC, 1999, "horizontal visibility map", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed., U.S. National Institute of Standards and Technology. 17 December 2004. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/horizontalVisMap.html