An official website of the United States government
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Official websites use .gov
A
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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Example environments generated at various frequencies. Black denotes obstacles, and white denotes free space. The white space is divided up into plowable regions by the Boustrophedon algorithm. Each color corresponds to a region.