c5d685ba15
The occlusion hypothesis is refuted: build 7 draws the same three ROT strips at higher alpha than English, so there was never an absence to explain. The 0.32-vs-11.9 tension that motivated it was an artefact of my own instrument. Both JP captures were shuttered on the plate pulse, and the plate's pulse is part of the animation -- so the gate synchronises the shutter to the animation's phase. Measured at the shutter instant, the sweep sits 25-26 px apart across two runs in different locales and different sessions: 1.6 % of a ~1600 px traverse. So the 0.32 I recorded as between-session capture noise measures my trigger's repeatability, and I read it as evidence the title is still when it is evidence the gate works. The era adjudication is unaffected -- margin 16.72 clears even the un-locked 11.9 -- and unaffected for the reason that file already gave: correlated noise cancels in a margin. Refutation attempt on sylpheed-port's positional-mechanism rejection: FAILED, the claim stands. Its residual sits inside lit logos, and the logo ROI is byte-identical across five differently-phased frames in two sessions. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
46 lines
2.5 KiB
Plaintext
46 lines
2.5 KiB
Plaintext
# Are the sweep leaves DRAWN on the Japanese title? -- 2026-08-30
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#
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# THE TENSION THIS WAS RUN TO SETTLE (from title-sweep-drawn-at-rest.txt):
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# two EN title captures a plateau-phase apart differ by RMSE 11.9 inside the
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# adjudication box, while two JP title captures from different SESSIONS differ
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# by 0.32 there. I hypothesised the game might not draw the leaves at rest on
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# the JP title -- build 7's denser logo stack (katakana + crystalline burst)
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# occluding them.
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#
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# INSTRUMENT: tools/re-capture/jp_draw_capture.sh -- sets console language ja
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# (trap-restores en on ANY exit), ensure_single_emulator, boots with
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# --log_ui_draws --ui_draw_capture_frames=150, arms F10 on the plate pulse.
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# Locale restore VERIFIED: language back at 1 after the run.
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#
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# CONTROL: the same extraction run against the ENGLISH title draw log
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# (/sylph-home/re/titledraw2), where the leaves are known to be drawn.
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#
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# TALL ROT STRIPS (h > w, h > 720) -- alpha is the vertex colour's high byte:
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#
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# EN title: 1299x1303 n=112 alpha 139..181 mean 160.0 rot=ROT
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# 883x1134 n= 77 alpha 142..193 mean 168.1 rot=ROT
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# 890x1134 n= 55 alpha 142..193 mean 165.9 rot=ROT
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#
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# JP title: 1299x1303 n= 82 alpha 141..212 mean 179.9 rot=ROT
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# 883x1134 n= 76 alpha 144..231 mean 187.9 rot=ROT
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# 890x1134 n= 33 alpha 149..229 mean 193.5 rot=ROT
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#
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# ✅ THE LEAVES ARE DRAWN ON THE JP TITLE. Same three strips, same dimensions,
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# and at HIGHER alpha than English (mean 180/188/194 vs 160/168/166). The
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# occlusion hypothesis is dead: there is no absence to explain.
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#
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# ⚠️ WHAT THIS LOG CANNOT SAY. These are ROT quads: the logged w x h is the
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# AXIS-ALIGNED BOUNDING BOX of a rotated strip, and the ink is a narrow diagonal
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# band inside it. The x spans (-634..992) cross the adjudication box's x range
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# (389..776), but a bounding box crossing a box does NOT mean ink does. I made
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# that inference first and it does not hold.
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#
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# ❌ AND THE SLOPES ARE NOT RATES. Least-squares over the captured frames gives
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# 1299x1303 slope -7.193 px/frame rms 30.98 sign-changes 2/81
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# 883x1134 slope +7.141 px/frame rms 29.49 sign-changes 4/75
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# 890x1134 slope +6.962 px/frame rms 29.03 sign-changes 2/32
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# Every fit FAILS the linearity gate (residual sign-changes far below ~30 %,
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# rms ~30 px against a ~1600 px traverse): the motion is curved over the capture
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# window, so +-7.1 is the chord of an arc, not a velocity. Do not quote it.
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# This is the SAME failure the "6-7 px/frame" eyeball made -- see METHOD.md.
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