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Boundary of the union of rectangles in the plane. (English) Zbl 0509.68066
Summary: Given $$n$$ rectangles in a plane all of whose sides belong to two perpendicular directions, an algorithm for the construction of the boundary of the union of those rectangles is shown in the paper.
##### MSC:
 52A37 Other problems of combinatorial convexity 05B40 Combinatorial aspects of packing and covering 68R99 Discrete mathematics in relation to computer science
##### Keywords:
algorithm; union of rectangles
Full Text:
##### References:
 [1] A. Rosenfeld, A. C. Kak: Digital Picture Processing. Academic Press, New York-London, 1976, [2] A. Rosenfeld: Digital Topology. Amer. Math. Monthly, 86, 1979, 621 - 630. · Zbl 0432.68061 · doi:10.2307/2321290
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