Replaces the awkward documented workaround (configure a full tomo_type
1 setup with 96 projections, then launch just sub_tomo_scan(1, 0)) with
a dedicated command, ported from flomni's tomo_alignment_scan(): adjust
tomo_parameters() (FOV/step/counting time), then call
lamni.tomo_alignment_scan() directly -- no tomo_type/sub-tomogram
bookkeeping involved, matching flomni's clean two-step workflow.
Runs 12 points evenly spaced across the full 360 degrees (lamni has no
180-degree symmetry the way flomni does, so unlike flomni's 5-point/
180-degree scan, this covers the full circle -- point count matches
what the old workaround's docs defaulted to, endpoint=False since
360==0 degrees). Aborts if x-ray-eye alignment hasn't been done yet
(tomo_fit_xray_eye unset), mirroring flomni's equivalent guard.
write_alignment_scan_numbers() writes the same 4-line scan-number/
angle/offset log flomni's version does, to
~/data/raw/logs/ptychotomoalign_scannum.txt for SPEC_ptycho_align.m,
also printed at the console (flomni's own console-print equivalent is
dead/commented-out code; lamni's actually prints).
Scope note: flomni's version conditionally skips its eye-out/optics-in
transition when already in measurement condition with feedback
running, to avoid an unneeded interferometer reset -- lamni has no
equivalent helpers for that check, so this calls leye_out()
unconditionally instead. Left as a possible follow-up, not in scope
here.
Item 6 of csaxs_bec/bec_ipython_client/plugins/LamNI/AI_docs/
FLOMNI_LAMNI_FEATURE_GAPS_2026-07.md. Documented in
docs/user/ptychography/lamni.md's "Fine alignment" section.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
