Print pack + photo ingest: the Phase 4b field battery#5
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- battery/printpack.py: six A4 300dpi print sheets (3 surfaces per grammar), labels provably outside the pattern area, INSTRUCTIONS.md with the photo condition matrix, manifest template - battery/ingest: full implementation — identical recognise pipeline over a photo folder, per-row robustness, raw_results.csv with the two-path ink detail (implied gain answers the is-real-WB-diagonal question), summary.md auto-answering the three Phase 4b questions - print-pack/ committed as the experiment's fixed input - SI-023 (pipeline runs unmodified on raw photos; margin labels are bookkeeping) and SI-024 (field coverage requirements are feature-dependent) - 10 new tests (2 old structure-seam tests replaced); 133 total green
This was referenced Jul 6, 2026
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What
Milestone 3, Phase 8 — everything needed for print-and-photograph L3 testing except the physical part.
battery/printpack.py: six deterministic A4 print sheets at 300 dpi (three surfaces per grammar, 002 with per-seed ink subsets), pattern centred, human-readable label provably disjoint from the pattern area (bookkeeping in the page margin, not a fiducial — spec forbids code regions inside the surface). PlusINSTRUCTIONS.md(print settings, 3 lightings × 3 angles × 2 distances condition matrix, manifest how-to) andphotos/manifest.template.yaml.battery/ingest/: full implementation of the field path. Photos run through the identical recognise pipeline with no photo-special preprocessing — a raw-photo failure is a reported result, not something to be silently fixed. Outputsraw_results.csv(per photo: conditions + verdicts + the 002 two-path ink detail incl. implied applied gain — the data that answers whether real camera white balance stays inside the diagonal model) and an auto-generatedsummary.mdaddressing the three questions exp-002 §6 posed for Phase 4b, each from data or marked insufficient.Tests
10 new (printpack determinism/A4/label-disjoint, end-to-end ingest over synthetic stand-in photos with perspective+WB+JPEG, implied-gain recovery, never-crash robustness); 2 obsolete structure-seam tests replaced. Full suite: 133 passed.
After merge
The physical part: print
print-pack/*.pngat 100%, photograph per the instructions, fillphotos/manifest.yaml, thenuv run python -m battery.ingest photos/ photos/manifest.yaml --out experiments/exp-003-print-photo/.