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The band filled the mouth because a band is the wrong reduction: the bright region is a blob, and reading it as "everything above a line" throws the shape away. Extracting a contour reintroduces the vertex-correspondence problem that made me avoid it, but for a blob there is a way out. Radial sampling from the centroid along N fixed directions makes vertex k always mean "the extent in direction k": correspondence holds by construction, the count is fixed, and temporal smoothing cannot reorder anything. It also yields a star-shaped reduction, which suits flat colour. Tongue rejection, which the band had no way to express: - pixels red relative to their own brightness are dropped (teeth are neutral) - component choice is biased toward the top of the cavity, since area alone picks the tongue when the mouth is wide - separate inner and outer controls: cavity erode pulls the sampled region off the lip edge, blob grow/erode resizes the found blob Also: a knob wired in app.js but missing from index.html threw during wiring and left a blank page with nothing useful in the console - which is exactly what happened to teethDwell in the previous commit. el() now names the missing id, and window.onerror surfaces it in the status line. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
175 lines
9.7 KiB
HTML
175 lines
9.7 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>roto — take builder</title>
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<style>
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:root { --bg:#0b0d13; --panel:#12151f; --line:#232836; --fg:#e8eaf0;
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--dim:#8891a5; --accent:#fbbf24; --ok:#4ade80; --err:#f87171; }
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* { box-sizing: border-box; }
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body { margin:0; background:var(--bg); color:var(--fg);
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font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace; }
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header { padding:12px 18px; border-bottom:1px solid var(--line);
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display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
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h1 { font-size:14px; margin:0 8px 0 0; letter-spacing:.04em; }
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h1 span { color:var(--dim); font-weight:400; }
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main { padding:16px 18px 40px; display:flex; flex-direction:column; gap:16px; }
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.row { display:flex; gap:16px; flex-wrap:wrap; }
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.panel { background:var(--panel); border:1px solid var(--line); border-radius:4px; padding:12px; }
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.panel h2 { font-size:11px; text-transform:uppercase; letter-spacing:.08em;
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color:var(--dim); margin:0 0 8px; font-weight:500; }
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canvas { display:block; image-rendering:pixelated; max-width:100%; border-radius:2px; }
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button,input[type=text],select { font:inherit; background:#1c2130; color:var(--fg);
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border:1px solid var(--line); border-radius:3px; padding:5px 10px; cursor:pointer; }
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button:hover { border-color:var(--accent); }
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input[type=text] { cursor:text; }
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label.ctl { display:grid; grid-template-columns:132px 1fr 46px; gap:10px;
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align-items:center; margin-bottom:6px; }
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label.ctl span:first-child { color:var(--dim); }
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label.ctl output { text-align:right; color:var(--accent); }
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input[type=range] { width:100%; accent-color:var(--accent); }
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#status { color:var(--dim); } #status.ok{color:var(--ok)} #status.err{color:var(--err)} #status.warn{color:var(--accent)}
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#readout { color:var(--dim); font-size:12px; }
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/* the frame strip is the editing surface */
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#strip { display:flex; flex-wrap:wrap; gap:4px; }
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.fr { position:relative; cursor:pointer; border:2px solid transparent; border-radius:3px; line-height:0; }
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.fr canvas { border-radius:1px; }
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.fr span { position:absolute; left:2px; bottom:2px; font-size:10px; line-height:1.2;
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padding:0 3px; border-radius:2px; background:#000a; color:#fff; }
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.fr.keep { border-color:var(--ok); }
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.fr.drop { border-color:#2a2f3e; }
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.fr.drop canvas { opacity:.26; filter:grayscale(1); }
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.fr.cur { border-color:var(--accent); }
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.fr.keep::after { content:'●'; position:absolute; right:3px; top:1px; color:var(--ok); font-size:10px; }
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#sheet { display:flex; flex-wrap:wrap; gap:10px; }
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#sheet .cell { display:flex; flex-direction:column; gap:3px; cursor:pointer; }
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#sheet .cell span { color:var(--dim); font-size:11px; }
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#sheet .cell:hover span { color:var(--accent); }
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#palette { display:flex; gap:12px; flex-wrap:wrap; }
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.sw { display:flex; align-items:center; gap:5px; color:var(--dim); font-size:11px; }
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.sw input { width:26px; height:20px; padding:0; border:1px solid var(--line); background:none; }
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.legend { color:var(--dim); font-size:11px; margin-top:6px; }
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kbd { background:#1c2130; border:1px solid var(--line); border-radius:2px;
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padding:0 4px; color:var(--fg); font-size:11px; }
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</style>
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</head>
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<body>
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<header>
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<h1>roto <span>— frame removal + take builder</span></h1>
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<button id="btn-synth">Synthetic</button>
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<input type="text" id="framedir" value="frames" size="7" title="frame directory">
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<button id="btn-frames">Load frames</button>
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<button id="btn-play">Play</button>
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<select id="speed" title="playback speed"><option value="1">1x</option><option value="0.5">½x</option><option value="0.25">¼x</option></select>
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<audio id="audio" controls hidden style="height:28px;vertical-align:middle"></audio>
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<button id="btn-keepall">Keep all</button>
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<button id="btn-suggest">Suggest</button>
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<input type="text" id="takename" value="line_01" size="9" title="take name">
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<select id="plateMode" title="plate representation (B to cycle)">
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<option value="photo-dim">photo dim</option>
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<option value="photo">photo</option>
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<option value="posterize">posterized</option>
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<option value="oval" selected>oval</option>
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<option value="oval+photo">oval + photo</option>
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<option value="off">none</option>
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</select>
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<button id="btn-saveframe">Save frame 4x</button>
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<button id="btn-export">Export .take</button>
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<span id="status"></span>
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</header>
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<main>
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<div class="row">
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<div class="panel">
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<h2>source + landmarks</h2>
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<canvas id="cv-source"></canvas>
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<div class="legend">outer lip <b style="color:#4ade80">—</b> · inner lip <b style="color:#f87171">—</b></div>
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</div>
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<div class="panel">
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<h2>stabilised (head-local)</h2>
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<canvas id="cv-stab"></canvas>
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<div class="legend">should sit still except the mouth · grey = held plate outline</div>
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</div>
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<div class="panel">
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<h2>flat render — 320×200 indexed</h2>
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<canvas id="cv-render"></canvas>
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<div class="legend" id="framelabel"></div>
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<div class="legend">audio drives the clock — dropped frames, never drift<br>
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plate representation: <kbd>B</kbd> cycles · photo modes are <b>registered</b>
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into raster space, so tracing them lands on the mouth</div>
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</div>
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</div>
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<div class="panel">
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<h2>frames — green kept (gets its own drawing) · dim held from the last kept frame</h2>
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<div id="strip"></div>
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<input type="range" id="scrub" min="0" max="0" value="0" style="width:100%;margin-top:10px">
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<div class="legend">
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<kbd>←</kbd> <kbd>→</kbd> step · <kbd>X</kbd> delete · <kbd>K</kbd> keep · <kbd>B</kbd> background ·
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click to select · double-click or shift-click to toggle ·
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the mouth keeps <b>every</b> frame regardless
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</div>
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<div class="legend" id="readout"></div>
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</div>
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<div class="row">
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<div class="panel" style="flex:1 1 400px">
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<h2>knobs</h2>
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<label class="ctl"><span>vertices</span><input type="range" id="verts" min="4" max="16" step="2" value="8"><output id="vertsv"></output></label>
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<label class="ctl"><span>contour avg ±f</span><input type="range" id="contourSmooth" min="0" max="4" value="1"><output id="contourSmoothv"></output></label>
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<label class="ctl"><span>anchor avg ±f</span><input type="range" id="smoothWin" min="0" max="8" value="2"><output id="smoothWinv"></output></label>
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<label class="ctl"><span>closed-mouth cut</span><input type="range" id="apertureThresh" min="0" max="400" value="120"><output id="apertureThreshv"></output></label>
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<label class="ctl"><span>teeth contrast</span><input type="range" id="teethOn" min="1" max="60" value="16"><output id="teethOnv"></output></label>
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<label class="ctl"><span>cavity erode</span><input type="range" id="teethErode" min="0" max="45" value="18"><output id="teethErodev"></output></label>
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<label class="ctl"><span>blob grow/erode</span><input type="range" id="blobGrow" min="-4" max="4" value="0"><output id="blobGrowv"></output></label>
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<label class="ctl"><span>tongue reject</span><input type="range" id="tongueReject" min="2" max="40" value="18"><output id="tongueRejectv"></output></label>
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<label class="ctl"><span>prefer upper</span><input type="range" id="topBias" min="0" max="120" value="60"><output id="topBiasv"></output></label>
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<label class="ctl"><span>teeth vertices</span><input type="range" id="teethVerts" min="5" max="20" value="10"><output id="teethVertsv"></output></label>
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<label class="ctl"><span>teeth avg ±f</span><input type="range" id="teethSmooth" min="0" max="4" value="1"><output id="teethSmoothv"></output></label>
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<label class="ctl"><span>teeth dwell</span><input type="range" id="teethDwell" min="0" max="6" value="1"><output id="teethDwellv"></output></label>
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<label class="ctl"><span>suggest tolerance</span><input type="range" id="tol" min="2" max="60" value="14"><output id="tolv"></output></label>
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<div class="legend">
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<b>contour avg</b> 0 = off, 1 = ±1 frame. Removes per-frame landmark
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jitter. Push past 2 and it starts eating articulation.<br>
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<b>anchor avg</b> smooths the head transform only — never the contour.<br>
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<b>teeth contrast</b> gates on how far apart the cavity's dark and bright
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halves are — Otsu always returns <i>some</i> threshold, so this is what
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stops it inventing teeth in a dark mouth.
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<b>cavity erode</b> pulls the sampled region in from the lip edge;
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<b>blob grow/erode</b> resizes the found blob itself.
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<b>tongue reject</b> drops pixels that are red relative to their own
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brightness; <b>prefer upper</b> biases component choice toward the top of
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the cavity, where teeth are and the tongue is not.
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<b>dwell</b> is how many frames a presence change must persist.<br>
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<b>suggest tolerance</b> only affects the Suggest button: max head movement
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allowed before a new drawing is required.
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</div>
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</div>
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<div class="panel" style="flex:0 1 190px">
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<h2>teeth measurement</h2>
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<div id="cv-teeth"></div>
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<div class="legend" id="teethinfo"></div>
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<div class="legend">green = kept pixels · amber = extracted contour</div>
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</div>
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<div class="panel" style="flex:1 1 240px">
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<h2>palette</h2>
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<div id="palette"></div>
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<div class="legend" style="margin-top:12px">
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Flat indexed fills, no antialiasing — the rasteriser writes palette
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indices, the way <code>csd_render_poly</code> does.
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</div>
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</div>
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</div>
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<div class="panel">
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<h2>drawings needed — registered reference per kept frame, with the range it holds</h2>
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<div id="sheet"></div>
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</div>
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</main>
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<script type="module" src="./js/app.js"></script>
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</body>
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</html>
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