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Demonstrate the usage of "quality_of_fit" to assess the geometry - #2973

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kif merged 1 commit into
silx-kit:mainfrom
kif:quality_of_fit
Oct 19, 2026
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kif merged 1 commit into
silx-kit:mainfrom
kif:quality_of_fit

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@kif

@kif kif commented Oct 16, 2026

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Discussed with the "High-speed azimuthal integration group" ...

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kif requested review from jonwright and t20100 October 16, 2026 15:37
@kif kif added the doc Related to documentation label Oct 16, 2026
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Happy for you to merge, but I didn't 100% understand ("The deviation is normalized by the width of the peak itself, so the indicator is a reduced χ²: a value below 0.31 indicates a properly calibrated geometry.")

The meaningful unit for me is usually the (obs-calc) in units of detector pixels. More than 1 is suggests a problem, less than 0.1 is very good.

@kif
kif merged commit a98a2ba into silx-kit:main Oct 19, 2026
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