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Figure 1
Illustration of conventional raster scanning and DLX scanning. (a) Conventional i-S3DXRD raster scanning with a point beam, in which the specimen is translated in the z and x directions, requiring M × N acquisitions. DLX scanning using a horizontally elongated beam (b) and a vertically elongated beam (c) covers the entire specimen volume with M + N acquisitions. (d) Multiplication of the two images selectively enhances the diffraction signal at the X-point. X-ray diffraction patterns of the α-Fe steel plate ob­tained with the conventional point beam (e), the horizontally elongated beam (f) and the vertically elongated beam (g), together with their pixel-wise multiplication (h), show that diffraction peaks at the X-points become more pronounced after multiplication of the two images, as indicated by the yellow arrows.

IUCrJ
Volume 13| Part 4| July 2026|
ISSN: 2052-2525
https://doi.org/10.1107/S2052252526004033