leonarski_fandClaude Opus 5 2456bbe7f6 viewer: calibrate a sample cell against its own space group, as the CLI does
The powder-calibration widget built its ring list with CalculateXtalRings(cell),
which assumes a primitive lattice. The overload taking a space group exists
precisely because the fit pairs the innermost OBSERVED ring with the innermost
LISTED one, so a list opening with a reflection the symmetry forbids scales the
whole calibration by the ratio between that ring and the first real one.

rugnux_cli was moved to the new overload when it landed; the viewer was not. So
on any centred sample cell the viewer's calibration was scaled wrong - the exact
failure the overload was added to prevent.

The widget already takes the cell from the loaded dataset; it now takes the group
with it and uses both. Where the dataset has no group the old call stands, which
is the same P-lattice assumption as before and no worse.

Found by a whole-branch review, which saw the two call sites side by side where a
per-commit read of either could not.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Jungfraujoch

Application to receive data from the PSI JUNGFRAU and EIGER detectors.

All documentation is now placed in docs/ subdirectory and for the current version hosted on Jungfraujoch Read The Docs page.

S
Description
Jungfraujoch Data Acquisition System
Readme GPL-3.0
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