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Figure 9
Orientation of quartz pixels for samples WGSI3 and WG102, shown as inverse pole figure (IPF) color maps relative to the vertical z axis in the sample reference frame (a) and as lower-hemisphere pole figures for a selection of Miller indices (b). Orientation obtained using peak selection over single pixels generates noisy maps. Peak selection using an [n\times n] kernel significantly improves the quality of orientation maps, especially for sample WG102. Computation with kernel selection took ca 2 h for sample WG102 and ca 5 min for sample WGSI3, using a full node (40 cores) of the Nice cluster at ESRF. Orientation-to-color mapping and pole figure plots were obtained using the orix library (Ånes et al., 2024BB2).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 57| Part 6| December 2024|
https://doi.org/10.1107/S1600576724009634
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