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Figure 3
Fourier maps calculated with (1): (a) w = 1 (0.5σ), (b, c) w computed using (3)[link] (0.45σ), (d) the same as (c) but with 5% of the terms omitted. Note that the signal (the density around the atoms) is similar while the noise (the density further away from the atoms) is reshuffled in all four cases. See §[link]2.9 regarding the choice of contouring threshold levels.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
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