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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>PLATEAU NLOS Visualization</title>
<style>
body {
margin: 0;
background: #eef2f6;
color: #17202a;
font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
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max-width: 1180px;
margin: 0 auto;
padding: 28px;
}
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margin: 0 0 6px;
font-size: 28px;
letter-spacing: 0;
}
p {
margin: 0 0 18px;
color: #52606d;
}
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display: grid;
grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
gap: 10px;
margin: 18px 0;
}
.card {
background: #ffffff;
border: 1px solid #d8e0ea;
border-radius: 8px;
padding: 12px 14px;
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font-weight: 700;
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@media (max-width: 820px) {
main { padding: 16px; }
.grid { grid-template-columns: 1fr; }
}
</style>
</head>
<body>
<main>
<h1>PLATEAU NLOS Visualization</h1>
<p>Standalone view of the sample CityGML mesh, BVH/triangle LOS mask, simulated NLOS measurements, and SPP error recovery.</p>
<section class="cards"><div class="card"><div class="label">Ray Source</div><div class="value">native BVH</div></div>
<div class="card"><div class="label">NLOS Signals</div><div class="value">64.4%</div></div>
<div class="card"><div class="label">Naive RMS</div><div class="value">11.85 m</div></div>
<div class="card"><div class="label">PLATEAU-aware SPP RMS</div><div class="value">4.07 m</div></div>
<div class="card"><div class="label">RMS Gain</div><div class="value">66%</div></div></section>
<section class="grid">
<div class="panel">
<svg viewBox="0 0 880 500" role="img" aria-label="PLATEAU mesh and receiver trajectory">
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<text x="22" y="52" class="svg-note">ENU bounds: E -55..55 m, N -22..36 m</text>
<text x="22" y="76" class="svg-note">Red point: worst naive epoch, PLATEAU-aware gain 22.2 m</text>
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<svg viewBox="0 0 420 420" role="img" aria-label="Sky plot at worst naive epoch">
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