Visibility Graphs and Oriented Matroids

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[1] Information Visualization Research,
[2] Shannon Laboratories,undefined
[3] AT&T Labs-Research,undefined
[4] 180 Park Avenue,undefined
[5] Florham Park,undefined
[6] NJ 07932,undefined
[7] USA abelloj@optonline.net,undefined
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We describe a set of necessary conditions for a given graph to be the visibility graph of a simple polygon. For every graph satisfying these conditions we show that a uniform rank 3 oriented matroid can be constructed in polynomial time, which if affinely coordinatizable yields a simple polygon whose visibility graph is isomorphic to the given graph.
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页码:449 / 465
页数:16
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