Journal
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
Volume 190, Issue 2, Pages 311-314Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0067-0049/190/2/311
Keywords
large-scale structure of universe; methods: numerical
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Funding
- NASA
- DoE
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Connecting cosmological simulations to real-world observational programs is often complicated by a mismatch in geometry: while surveys often cover highly irregular cosmological volumes, simulations are customarily performed in a periodic cube. We describe a technique to remap this cube into elongated box-like shapes that are more useful for many applications. The remappings are one-to-one, volume-preserving, keep local structures intact, and involve minimal computational overhead.
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