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Figure 17
Relations between direct and reciprocal space. To a small disk (a) corresponds a large Fourier transform (b) and vice versa [(c) and (d)]. A rectangular object (e) gives rise to a rectangular FT (f), the largest extension of which corresponds to the thinner direction of the object. A complex object such as the polygon (g) results in an FT (h) (with the central zone magnified in the bottom-right inset), having extensions in directions perpendicular to the faces of the object.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 40| Part 6| November 2007| Pages 1153-1165
doi:10.1107/S0021889807043622
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