leonarski_fandClaude Opus 5 aa13143209 symmetry: an axial row with one control reflection is scored, and a row nothing was recorded on is decided by a stated prior ...

Two changes, both about axial rows a sweep only partly reaches.

A screw zone whose control class held a single reflection was discarded
outright: the scale the zone is judged in is the mean of its control class,
and that mean was required to rest on two numbers. One number is also a mean.
The requirement measured the mounting rather than the evidence - an axial row
lying near the spindle sits inside the blind cone and is recordable only out to
2 sin(alpha)/lambda however long the sweep runs, so on a crystal mounted along
one of its own axes that row can never hold two. Measured on an orthorhombic
wedge whose h00 held exactly two reflections, the absent one at 5e-5 of the
present one: the zone scored zero. What a one-control zone can now earn stays
capped by MIN_U_PER_ABSENT_REFLECTION at 6.9 nats per absent reflection, well
under min_screw_absence_evidence, so it can add to a screw confirmed elsewhere
but cannot license one on its own; the violation threshold is unchanged.

Where candidates still tie, they differ only on axial rows this merge holds no
control class for, and the representative was the lowest space-group number.
That is a prior too, and the wrong one: a crystal that has already shown one
screw carries the rest an order of magnitude more often than not, and a sweep
short of half a turn routinely records one axial row and not the next - on two
consecutive 50 degree wedges of one crystal, the first sees 00l and no 0k0 and
the second 0k0 and no 00l. The tie-break therefore prefers the candidate
claiming a screw on the unseen rows, and only where at least one zone was
actually judged, so it is never spent by a crystal that has shown no screw at
all. Centring-driven axial conditions do not count towards the claim, so a
centred group and its screw partner stay tied. The alternatives are reported
as before; only which one is named first moves.

Measured over every run in a 99-dataset corpus that reports indistinguishable
groups - the only runs this can reach - 31 in all: 28 unchanged, 3 changed,
all three from a wrong group to the deposited one. Two of those three reach the
right label over a run whose data are still wrong for unrelated reasons, one
having lost a seventh of its frames to a crystal that moved mid-sweep and the
other carrying a beam-centre error that leaves an edge 1.6 % out; this decides
between tied candidates and repairs neither. jfjoch_test [twin] and
SearchSpaceGroup pass, including the calibrated case for an absent class weak
only within its own row.

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

2026-09-08 20:52:33 +02:00

..

azint

v1.0.0.rc-162 (#72)

2026-08-25 08:21:39 +02:00

beam_stop

v1.0.0.rc-162 (#72)

2026-08-25 08:21:39 +02:00

bragg_integration

integration: the flight path between the sample and the detector is corrected for, and named

2026-09-05 17:55:43 +02:00

bragg_prediction

integration: the flight path between the sample and the detector is corrected for, and named

2026-09-05 17:55:43 +02:00

dark_mask_analysis

v1.0.0-rc.148 (#58)

2026-06-08 08:30:35 +02:00

geom_refinement

merge: bridge a rocking event by an angle rather than by a frame count

2026-09-04 10:09:08 +02:00

image_preprocessing

v1.0.0-rc.166 (#76)

2026-09-02 21:17:31 +02:00

indexing

rugnux: a cell given with -C is matched in any equivalent description

2026-09-06 20:26:38 +02:00

lattice_search

lattice: a monoclinic cell is named C, at the least oblique beta that naming offers

2026-09-08 20:52:33 +02:00

roi

v1.0.0.rc-162 (#72)

2026-08-25 08:21:39 +02:00

rotation_indexer

rotation indexing: drive the winning candidate to the fit's fixed point

2026-09-03 18:54:53 +02:00

scale_merge

symmetry: an axial row with one control reflection is scored, and a row nothing was recorded on is decided by a stated prior

2026-09-08 20:52:33 +02:00

spot_finding

v1.0.0-rc.166 (#76)

2026-09-02 21:17:31 +02:00

CMakeLists.txt

v1.0.0-rc.164 (#74)

2026-08-26 22:47:00 +02:00

IndexAndRefine.cpp

spindle: the severity no longer rides on the indexing seed or on which indexer is configured

2026-09-04 10:59:05 +02:00

IndexAndRefine.h

v1.0.0-rc.166 (#76)

2026-09-02 21:17:31 +02:00

IntegrationOutcome.h

merge: bridge a rocking event by an angle rather than by a frame count

2026-09-04 10:09:08 +02:00

LoadFCalcFromMtz.cpp

v1.0.0-rc.160 (#70)

2026-07-19 09:39:28 +02:00

LoadFCalcFromMtz.h

v1.0.0-rc.159 (#69)

2026-07-13 13:54:03 +02:00

MXAnalysisAfterFPGA.cpp

v1.0.0-rc.156 (#66)

2026-07-03 19:18:56 +02:00

MXAnalysisAfterFPGA.h

v1.0.0-rc.156 (#66)

2026-07-03 19:18:56 +02:00

MXAnalysisWithoutFPGA.cpp

v1.0.0-rc.166 (#76)

2026-09-02 21:17:31 +02:00

MXAnalysisWithoutFPGA.h

v1.0.0-rc.164 (#74)

2026-08-26 22:47:00 +02:00

SensorAbsorption.h

integration: the flight path between the sample and the detector is corrected for, and named

2026-09-05 17:55:43 +02:00

UpdateReflectionResolution.cpp

integration: the flight path between the sample and the detector is corrected for, and named

2026-09-05 17:55:43 +02:00

UpdateReflectionResolution.h

v1.0.0-rc.153 (#63)

2026-06-23 20:29:49 +02:00

WriteReflections.cpp

integration: the flight path between the sample and the detector is corrected for, and named

2026-09-05 17:55:43 +02:00

WriteReflections.h

rugnux: the unmerged MTZ carries the sensor efficiency in its own column, not inside LP

2026-09-05 14:29:45 +02:00