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Efficient data structures for masks on 2D grids

Abstract : This article discusses various methods of representing and manipulating arbitrary coverage information in two dimensions, with a focus on space- and time-efficiency when processing such coverages, storing them on disk, and transmitting them between computers. While these considerations were originally motivated by the specific tasks of representing sky coverage and cross-matching catalogues of astronomical surveys, they can be profitably applied in many other situations as well.
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Distributed under a Creative Commons Attribution 4.0 International License

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M. Reinecke, E. Hivon. Efficient data structures for masks on 2D grids. Astronomy and Astrophysics - A&A, EDP Sciences, 2015, 580, ⟨10.1051/0004-6361/201526549⟩. ⟨insu-03644893⟩

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