What is it about?
It presents a scalable and distributed implementation of a DCEL (a spatial data structure used to perform overlay operation such as intersection, union and difference) for use over very large polygon layers. It has a couple of interesting application for example to support polygon triangulation, surveillance, the art gallery problem and even circuit board printing.
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Why is it important?
I allow researcher to perform overlay operation that was not possible before such as query all the counties for US Census Tracks at national level.
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This page is a summary of: Scalable Overlay Operations over DCEL Polygon Layers, August 2023, ACM (Association for Computing Machinery),
DOI: 10.1145/3609956.3609964.
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