650 lines
19 KiB
HTML
650 lines
19 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>Input dataset · Dimension Reduction Sandbox</title>
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<style>
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:root {
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--bg: #fafaf7;
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--panel: #f2eee4;
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--text: #1a1a1a;
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--muted: #6b6b6b;
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--hair: #d8d3c6;
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--accent: #1f4e5f;
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}
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* { box-sizing: border-box; margin: 0; padding: 0; }
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html, body { background: var(--bg); color: var(--text); }
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body {
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font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, Georgia, serif;
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font-size: 16px;
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line-height: 1.55;
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padding: 48px 56px 64px;
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max-width: 960px;
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margin: 0 auto;
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}
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.mono {
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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}
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header {
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display: flex;
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align-items: baseline;
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gap: 18px;
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padding-bottom: 16px;
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border-bottom: 1px solid var(--hair);
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margin-bottom: 28px;
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}
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.section-number {
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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color: var(--accent);
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font-size: 18px;
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font-weight: 600;
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}
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h1 {
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font-size: 26px;
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font-weight: 500;
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letter-spacing: -0.01em;
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}
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.crumb {
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 11px;
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color: var(--muted);
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letter-spacing: 0.08em;
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text-transform: uppercase;
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}
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.lede {
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color: var(--muted);
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max-width: 62ch;
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margin-bottom: 24px;
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font-size: 15px;
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}
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.controls {
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display: grid;
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grid-template-columns: auto 1fr auto;
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align-items: center;
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column-gap: 16px;
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row-gap: 10px;
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padding: 14px 0;
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border-top: 1px solid var(--hair);
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border-bottom: 1px solid var(--hair);
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margin-bottom: 24px;
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}
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.ctl-label {
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 11px;
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letter-spacing: 0.08em;
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text-transform: uppercase;
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color: var(--muted);
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}
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.ctl-value {
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 13px;
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color: var(--accent);
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min-width: 56px;
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text-align: right;
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font-variant-numeric: tabular-nums;
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}
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.controls input[type="range"] {
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width: 100%;
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accent-color: var(--accent);
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height: 4px;
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}
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.lede kbd {
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 12px;
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background: #fff;
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border: 1px solid var(--hair);
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padding: 1px 6px;
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margin: 0 2px;
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color: var(--text);
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}
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.gallery {
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display: flex;
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gap: 20px;
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overflow-x: auto;
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overflow-y: hidden;
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scroll-snap-type: x mandatory;
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scroll-behavior: smooth;
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-webkit-overflow-scrolling: touch;
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padding: 2px 2px 14px;
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margin: 0 -2px 20px;
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scrollbar-width: thin;
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scrollbar-color: var(--hair) transparent;
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}
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.gallery::-webkit-scrollbar { height: 6px; }
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.gallery::-webkit-scrollbar-track { background: transparent; }
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.gallery::-webkit-scrollbar-thumb {
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background: var(--hair);
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border-radius: 3px;
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}
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.gallery::-webkit-scrollbar-thumb:hover { background: var(--muted); }
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@media (max-width: 880px) {
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body { padding: 28px 20px; }
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}
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@media (max-width: 520px) {
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header .crumb { display: none; }
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h1 { font-size: 22px; }
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.footer {
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flex-direction: column;
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align-items: stretch;
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gap: 12px;
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}
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.continue { width: 100%; }
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}
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.card {
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flex: 0 0 260px;
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scroll-snap-align: start;
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border: 1px solid var(--hair);
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background: var(--panel);
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cursor: pointer;
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display: flex;
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flex-direction: column;
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transition: border-color 120ms ease, box-shadow 120ms ease;
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}
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.card:hover { border-color: #8f887a; }
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.card.selected {
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border-color: var(--accent);
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box-shadow: 0 0 0 1px var(--accent);
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}
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.viz {
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aspect-ratio: 1 / 1;
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position: relative;
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overflow: hidden;
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}
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.viz canvas {
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position: absolute;
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inset: 0;
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display: block;
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width: 100% !important;
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height: 100% !important;
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}
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.fig-label {
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position: absolute;
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top: 10px;
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left: 12px;
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 10px;
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color: var(--muted);
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letter-spacing: 0.05em;
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text-transform: uppercase;
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pointer-events: none;
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}
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.key-hint {
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position: absolute;
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top: 8px;
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right: 10px;
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 11px;
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color: var(--muted);
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background: rgba(250, 250, 247, 0.85);
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border: 1px solid var(--hair);
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padding: 1px 6px;
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pointer-events: none;
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}
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.card.selected .key-hint {
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color: var(--accent);
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border-color: var(--accent);
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}
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.controls-hint {
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position: absolute;
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bottom: 8px;
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right: 10px;
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 10px;
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color: var(--muted);
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opacity: 0;
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transition: opacity 150ms ease;
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pointer-events: none;
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}
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.card:hover .controls-hint { opacity: 0.75; }
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.card-body {
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padding: 16px 18px 18px;
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border-top: 1px solid var(--hair);
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background: var(--bg);
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flex: 1;
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}
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.card-label {
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font-weight: 500;
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font-size: 16px;
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margin-bottom: 3px;
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display: flex;
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align-items: baseline;
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gap: 10px;
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}
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.card-label .dot {
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display: inline-block;
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width: 7px; height: 7px;
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border-radius: 50%;
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background: transparent;
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border: 1px solid var(--hair);
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}
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.card.selected .card-label .dot {
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background: var(--accent);
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border-color: var(--accent);
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}
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.card-path {
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 11px;
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color: var(--muted);
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margin-bottom: 8px;
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}
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.card-desc {
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font-size: 13px;
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color: #4a4a4a;
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line-height: 1.55;
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}
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.footer {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding-top: 20px;
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border-top: 1px solid var(--hair);
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gap: 24px;
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}
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.selection {
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font-size: 14px;
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color: var(--muted);
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}
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.selection .lbl {
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 11px;
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letter-spacing: 0.05em;
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text-transform: uppercase;
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margin-right: 8px;
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}
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.selection code {
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 13px;
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color: var(--accent);
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}
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.continue {
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background: var(--accent);
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color: #fff;
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border: none;
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padding: 9px 18px;
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font-family: inherit;
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font-size: 14px;
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cursor: pointer;
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letter-spacing: 0.01em;
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}
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.continue:disabled {
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background: #e6e1d4;
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color: var(--muted);
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cursor: not-allowed;
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}
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.continue:not(:disabled):hover { background: #18404f; }
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.loading {
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padding: 60px 0;
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text-align: center;
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color: var(--muted);
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font-family: "JetBrains Mono", "SF Mono", Menlo, Monaco, monospace;
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font-size: 13px;
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}
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</style>
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</head>
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<body>
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<header>
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<div class="section-number">§1</div>
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<h1>Select input dataset</h1>
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<div style="flex: 1"></div>
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<div class="crumb">Demo · picker</div>
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</header>
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<p class="lede">
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Three candidate generators for the embedding pipeline. Drag to rotate, scroll to zoom,
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<kbd>←</kbd> <kbd>→</kbd> or <kbd>1</kbd> <kbd>2</kbd> <kbd>3</kbd> to select.
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</p>
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<div class="controls">
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<label class="ctl-label" for="n-slider">n samples</label>
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<input type="range" id="n-slider" min="100" max="5000" step="100" value="500">
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<span class="ctl-value" id="n-value">500</span>
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<label class="ctl-label" for="j-slider">noise σ</label>
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<input type="range" id="j-slider" min="0" max="5" step="1" value="1" list="j-levels">
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<datalist id="j-levels">
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<option value="0"></option>
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<option value="1"></option>
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<option value="2"></option>
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<option value="3"></option>
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<option value="4"></option>
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<option value="5"></option>
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</datalist>
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<span class="ctl-value" id="j-value">0.01</span>
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</div>
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<div class="gallery" id="gallery">
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<div class="loading">loading samples…</div>
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</div>
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<div class="footer">
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<div class="selection">
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<span class="lbl">generator</span>
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<code id="selected-path">—</code>
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</div>
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<button class="continue" id="continue-btn" disabled>Continue →</button>
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</div>
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<script type="importmap">
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{
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"imports": {
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"three": "https://unpkg.com/three@0.160.0/build/three.module.js",
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"three/addons/": "https://unpkg.com/three@0.160.0/examples/jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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const CATEGORICAL_HEX = [
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'#1f4e5f', '#c97b3f', '#8b5a9f', '#5a8560',
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'#c74a5e', '#6b7d8f', '#b89f51', '#4a6fa5',
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];
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const CATEGORICAL = CATEGORICAL_HEX.map(h => new THREE.Color(h));
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function rampContinuous(t) {
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// blue → teal → ochre ramp, legible against the warm panel background
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const hue = (1 - t) * 215 + t * 28;
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const sat = 0.62;
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const lit = 0.50 + (t - 0.5) * 0.08;
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return new THREE.Color().setHSL(hue / 360, sat, lit);
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}
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function normalize(points) {
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const n = points.length;
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let mx = 0, my = 0, mz = 0;
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for (const p of points) { mx += p[0]; my += p[1]; mz += p[2]; }
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mx /= n; my /= n; mz /= n;
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let maxAbs = 1e-9;
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for (const p of points) {
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const a = Math.abs(p[0] - mx);
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const b = Math.abs(p[1] - my);
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const c = Math.abs(p[2] - mz);
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if (a > maxAbs) maxAbs = a;
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if (b > maxAbs) maxAbs = b;
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if (c > maxAbs) maxAbs = c;
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}
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const out = new Float32Array(n * 3);
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for (let i = 0; i < n; i++) {
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out[i*3] = (points[i][0] - mx) / maxAbs;
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out[i*3+1] = (points[i][1] - my) / maxAbs;
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out[i*3+2] = (points[i][2] - mz) / maxAbs;
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}
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// scaleFactor converts raw-unit jitter to normalized-unit jitter
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// so a slider value in raw coords lands correctly after normalize().
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return { positions: out, scaleFactor: 1 / maxAbs };
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}
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// Box-Muller: fills an array with standard-normal samples.
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function fillRandn(arr) {
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for (let i = 0; i < arr.length; i += 2) {
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const u1 = Math.random() || 1e-12;
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const u2 = Math.random();
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const mag = Math.sqrt(-2.0 * Math.log(u1));
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arr[i] = mag * Math.cos(2 * Math.PI * u2);
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if (i + 1 < arr.length) arr[i + 1] = mag * Math.sin(2 * Math.PI * u2);
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}
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return arr;
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}
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function randnArray(n) { return fillRandn(new Float32Array(n)); }
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function buildColors(labels, kind) {
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const n = labels.length;
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const colors = new Float32Array(n * 3);
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if (kind === 'categorical') {
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for (let i = 0; i < n; i++) {
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const c = CATEGORICAL[labels[i] % CATEGORICAL.length];
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colors[i*3] = c.r; colors[i*3+1] = c.g; colors[i*3+2] = c.b;
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}
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} else {
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let lo = Infinity, hi = -Infinity;
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for (const v of labels) { if (v < lo) lo = v; if (v > hi) hi = v; }
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const range = (hi - lo) || 1;
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for (let i = 0; i < n; i++) {
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const c = rampContinuous((labels[i] - lo) / range);
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colors[i*3] = c.r; colors[i*3+1] = c.g; colors[i*3+2] = c.b;
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}
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}
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return colors;
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}
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function createScene(container, dataset) {
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const { positions: basePositions, scaleFactor } = normalize(dataset.points);
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const colors = buildColors(dataset.labels, dataset.kind);
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// mutable copy — the render loop writes jittered positions here.
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const positions = new Float32Array(basePositions);
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const geometry = new THREE.BufferGeometry();
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geometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));
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geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));
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const material = new THREE.PointsMaterial({
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size: 2.1,
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sizeAttenuation: false,
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vertexColors: true,
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transparent: true,
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opacity: 0.92,
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});
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const scene = new THREE.Scene();
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scene.background = new THREE.Color(0xf2eee4);
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scene.add(new THREE.Points(geometry, material));
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const camera = new THREE.PerspectiveCamera(42, 1, 0.1, 100);
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camera.position.set(2.6, 1.9, 2.6);
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camera.lookAt(0, 0, 0);
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const renderer = new THREE.WebGLRenderer({ antialias: true, alpha: false });
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renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
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container.appendChild(renderer.domElement);
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const controls = new OrbitControls(camera, renderer.domElement);
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controls.enableDamping = true;
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controls.dampingFactor = 0.08;
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controls.enablePan = false;
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controls.autoRotate = true;
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controls.autoRotateSpeed = 0.55;
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controls.minDistance = 1.5;
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controls.maxDistance = 6;
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const noiseLen = basePositions.length;
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const SNAPSHOT_MS = 900;
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return {
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scene, camera, renderer, controls, container, geometry,
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basePositions,
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scaleFactor,
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noiseA: randnArray(noiseLen),
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noiseB: randnArray(noiseLen),
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// random phase so the three scenes don't click over in lockstep
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interpStartMs: performance.now() - Math.random() * SNAPSHOT_MS,
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snapshotMs: SNAPSHOT_MS,
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};
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}
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function sizeScene(s) {
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const rect = s.container.getBoundingClientRect();
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const size = Math.max(1, Math.floor(rect.width));
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s.renderer.setSize(size, size);
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s.camera.aspect = 1;
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s.camera.updateProjectionMatrix();
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}
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async function main() {
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let data;
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try {
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const res = await fetch('/data.json');
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data = await res.json();
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} catch (err) {
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document.getElementById('gallery').innerHTML =
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`<div class="loading">failed to load /data.json — ${err}</div>`;
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return;
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}
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const gallery = document.getElementById('gallery');
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gallery.innerHTML = '';
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const scenes = [];
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const order = Object.entries(data);
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let selectedId = null;
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order.forEach(([id, ds], i) => {
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const card = document.createElement('div');
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card.className = 'card';
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card.dataset.id = id;
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card.innerHTML = `
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<div class="viz">
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||
<span class="fig-label">Fig. 1.${i + 1}</span>
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<span class="key-hint">[${i + 1}]</span>
|
||
<span class="controls-hint">drag · scroll</span>
|
||
</div>
|
||
<div class="card-body">
|
||
<div class="card-label">
|
||
<span class="dot"></span>
|
||
<span>${ds.name}</span>
|
||
</div>
|
||
<div class="card-path">${ds.path}</div>
|
||
<div class="card-desc">${ds.description}</div>
|
||
</div>
|
||
`;
|
||
gallery.appendChild(card);
|
||
|
||
const viz = card.querySelector('.viz');
|
||
const s = createScene(viz, ds);
|
||
sizeScene(s);
|
||
scenes.push(s);
|
||
|
||
// Stop auto-rotate once the user interacts.
|
||
s.controls.addEventListener('start', () => { s.controls.autoRotate = false; });
|
||
|
||
card.addEventListener('click', (e) => {
|
||
// Clicks inside the canvas that drove orbit should still select,
|
||
// but only register selection on pointer-up with no drag. Simpler:
|
||
// always select on click — OrbitControls won't emit click on drag.
|
||
selectCard(id, card, ds);
|
||
});
|
||
});
|
||
|
||
function selectCard(id, card, ds) {
|
||
document.querySelectorAll('.card').forEach(c => c.classList.remove('selected'));
|
||
card.classList.add('selected');
|
||
selectedId = id;
|
||
document.getElementById('selected-path').textContent = ds.path;
|
||
updateContinue();
|
||
}
|
||
function updateContinue() {
|
||
const btn = document.getElementById('continue-btn');
|
||
btn.disabled = !(selectedId && jitterScale > 0);
|
||
btn.title = !selectedId
|
||
? 'pick a dataset first'
|
||
: (jitterScale <= 0 ? 'noise σ must be > 0 to simulate' : '');
|
||
}
|
||
|
||
// Sample-count slider → cheap: just change draw range per geometry.
|
||
const slider = document.getElementById('n-slider');
|
||
const nValue = document.getElementById('n-value');
|
||
function applyN(n) {
|
||
nValue.textContent = n.toLocaleString();
|
||
for (const s of scenes) {
|
||
const cap = s.geometry.attributes.position.count;
|
||
s.geometry.setDrawRange(0, Math.min(n, cap));
|
||
}
|
||
}
|
||
slider.addEventListener('input', (e) => applyN(parseInt(e.target.value, 10)));
|
||
applyN(parseInt(slider.value, 10));
|
||
|
||
// Noise slider → rewrites positions each frame in the render loop.
|
||
let jitterScale = 0;
|
||
const jSlider = document.getElementById('j-slider');
|
||
const jValue = document.getElementById('j-value');
|
||
function applyJ(v) {
|
||
jitterScale = v;
|
||
jValue.textContent = v.toFixed(2);
|
||
updateContinue();
|
||
}
|
||
jSlider.addEventListener('input', (e) => applyJ(parseFloat(e.target.value)));
|
||
applyJ(parseFloat(jSlider.value));
|
||
|
||
// Keyboard: digits jump directly, arrows step.
|
||
function selectByIndex(idx, { scroll = true } = {}) {
|
||
const entry = order[idx];
|
||
if (!entry) return;
|
||
const [id, ds] = entry;
|
||
const card = gallery.children[idx];
|
||
if (!card) return;
|
||
selectCard(id, card, ds);
|
||
if (scroll) card.scrollIntoView({ behavior: 'smooth', inline: 'nearest', block: 'nearest' });
|
||
}
|
||
document.addEventListener('keydown', (e) => {
|
||
if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
|
||
if (/^[1-9]$/.test(e.key)) {
|
||
selectByIndex(parseInt(e.key, 10) - 1);
|
||
return;
|
||
}
|
||
if (e.key === 'ArrowRight' || e.key === 'ArrowLeft') {
|
||
e.preventDefault();
|
||
const currentIdx = order.findIndex(([id]) => id === selectedId);
|
||
const n = order.length;
|
||
const nextIdx = e.key === 'ArrowRight'
|
||
? (currentIdx < 0 ? 0 : Math.min(currentIdx + 1, n - 1))
|
||
: (currentIdx < 0 ? n - 1 : Math.max(currentIdx - 1, 0));
|
||
selectByIndex(nextIdx);
|
||
}
|
||
});
|
||
|
||
// Continue button → for now, just echo the selection.
|
||
document.getElementById('continue-btn').addEventListener('click', () => {
|
||
if (!selectedId) return;
|
||
const ds = data[selectedId];
|
||
alert(`Would continue with generator:\n${ds.path}\n\n(demo — no flow dispatched yet)`);
|
||
});
|
||
|
||
// Resize handling.
|
||
let resizeTimer = null;
|
||
window.addEventListener('resize', () => {
|
||
clearTimeout(resizeTimer);
|
||
resizeTimer = setTimeout(() => scenes.forEach(sizeScene), 80);
|
||
});
|
||
|
||
// Render loop.
|
||
function tick() {
|
||
requestAnimationFrame(tick);
|
||
const now = performance.now();
|
||
for (const s of scenes) {
|
||
// Advance the A→B snapshot transition; regenerate B when we roll over.
|
||
let t = (now - s.interpStartMs) / s.snapshotMs;
|
||
if (t >= 1) {
|
||
const tmp = s.noiseA; s.noiseA = s.noiseB; s.noiseB = tmp;
|
||
fillRandn(s.noiseB);
|
||
s.interpStartMs = now;
|
||
t = 0;
|
||
}
|
||
const total = s.basePositions.length / 3;
|
||
const drawCount = s.geometry.drawRange.count;
|
||
const visibleN = Number.isFinite(drawCount) ? Math.min(drawCount, total) : total;
|
||
const limit = visibleN * 3;
|
||
const pos = s.geometry.attributes.position.array;
|
||
const base = s.basePositions;
|
||
const a = s.noiseA, b = s.noiseB;
|
||
// Jitter is applied in normalized space so σ means the same thing
|
||
// across datasets — independent of the raw feature magnitudes.
|
||
const scale = jitterScale;
|
||
const u = 1 - t;
|
||
for (let i = 0; i < limit; i++) {
|
||
pos[i] = base[i] + (a[i] * u + b[i] * t) * scale;
|
||
}
|
||
s.geometry.attributes.position.needsUpdate = true;
|
||
|
||
s.controls.update();
|
||
s.renderer.render(s.scene, s.camera);
|
||
}
|
||
}
|
||
tick();
|
||
}
|
||
|
||
main();
|
||
</script>
|
||
</body>
|
||
</html>
|