Datasets:

Alaaharoun
/

High-Quality_Dexterous_Hand_Movements_Dataset

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>Pose Viewer (local)</title>
  <style>

    :root { --bg:#000; --fg:#fff; --muted:#a3a3a3; --gold:#D4AF37; --card: rgba(255,255,255,.05); --border: rgba(212,175,55,.25); }

    html, body { height: 100%; }

    body { margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: radial-gradient(1200px 400px at 50% 0%, rgba(212,175,55,.08), transparent 60%), var(--bg); color: var(--fg); }

    .wrap { max-width: 980px; margin: 0 auto; padding: 28px 16px 40px; }

    .top { display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:space-between; }

    .title { font-weight: 700; letter-spacing: .2px; }

    .title small { display:block; color: var(--muted); font-weight: 500; margin-top:4px; }

    .card { border: 1px solid rgba(255,255,255,.12); background: var(--card); border-radius: 14px; padding: 12px; }

    .row { display:flex; flex-wrap:wrap; gap:10px; align-items:center; }

    .btn { cursor:pointer; border:1px solid var(--border); background: rgba(212,175,55,.12); color: var(--fg); padding: 9px 12px; border-radius: 10px; font-weight: 650; }

    .btn:disabled { opacity: .45; cursor:not-allowed; }

    input[type="file"] { color: var(--muted); }

    input[type="range"] { width: min(520px, 100%); accent-color: var(--gold); }

    .muted { color: var(--muted); font-size: 12px; }

    canvas { width: 100%; height: auto; background:#0a0a0a; border-radius: 12px; border:1px solid rgba(212,175,55,.2); }

    .grid { display:grid; grid-template-columns: 1fr; gap:12px; margin-top:14px; }

    @media (min-width: 900px) { .grid { grid-template-columns: 2fr 1fr; } }

    .kv { display:grid; grid-template-columns: 120px 1fr; gap:8px 10px; font-size: 12px; color: var(--muted); }

    .kv b { color: var(--fg); font-weight: 650; }

    code { color: var(--gold); }

  </style>
</head>
<body>
  <div class="wrap">
    <div class="top">
      <div class="title">
        Pose Viewer (local)
        <small>Load <code>data.jsonl</code> and preview keypoints locally (no server).</small>
      </div>
      <div class="row">
        <input id="file" type="file" accept=".jsonl,.json" />
        <button id="prev" class="btn" disabled>Prev</button>
        <button id="next" class="btn" disabled>Next</button>
      </div>
    </div>

    <div class="card" style="margin-top:12px;">
      <div class="row" style="justify-content:space-between;">
        <div class="row">
          <button id="reset" class="btn" disabled>Reset view</button>
          <span id="status" class="muted">Load a JSONL file to begin.</span>
        </div>
        <input id="slider" type="range" min="0" max="0" value="0" disabled />
      </div>
      <div style="margin-top:12px;">
        <canvas id="c" width="960" height="540"></canvas>
      </div>
    </div>

    <div class="grid">
      <div class="card">
        <div class="kv">
          <div>Frame</div><div><b id="frameLabel">—</b></div>
          <div>Source</div><div><b id="srcLabel">—</b></div>
          <div>timestamp_ms</div><div><b id="tsLabel">—</b></div>
        </div>
        <p class="muted" style="margin:10px 0 0;">
          Controls: drag to pan, mouse wheel to zoom, slider to navigate frames.
        </p>
      </div>
      <div class="card">
        <p class="muted" style="margin:0 0 8px;">
          Tip: For a richer in-app viewer, visit <code>/viewer</code> on the website.
        </p>
        <p class="muted" style="margin:0;">
          This file is intentionally small and easy to modify.
        </p>
      </div>
    </div>
  </div>

  <script>

    const POSE_EDGES = [

      ["left_shoulder","right_shoulder"],

      ["left_shoulder","left_elbow"],["left_elbow","left_wrist"],

      ["right_shoulder","right_elbow"],["right_elbow","right_wrist"],

      ["left_shoulder","left_hip"],["right_shoulder","right_hip"],

      ["left_hip","right_hip"],

      ["left_hip","left_knee"],["left_knee","left_ankle"],

      ["right_hip","right_knee"],["right_knee","right_ankle"],

    ];

    const HAND_EDGES = [

      ["wrist","thumb_cmc"],["thumb_cmc","thumb_mcp"],["thumb_mcp","thumb_ip"],["thumb_ip","thumb_tip"],

      ["wrist","index_finger_mcp"],["index_finger_mcp","index_finger_pip"],["index_finger_pip","index_finger_dip"],["index_finger_dip","index_finger_tip"],

      ["wrist","middle_finger_mcp"],["middle_finger_mcp","middle_finger_pip"],["middle_finger_pip","middle_finger_dip"],["middle_finger_dip","middle_finger_tip"],

      ["wrist","ring_finger_mcp"],["ring_finger_mcp","ring_finger_pip"],["ring_finger_pip","ring_finger_dip"],["ring_finger_dip","ring_finger_tip"],

      ["wrist","pinky_mcp"],["pinky_mcp","pinky_pip"],["pinky_pip","pinky_dip"],["pinky_dip","pinky_tip"],

    ];



    const fileEl = document.getElementById('file');

    const slider = document.getElementById('slider');

    const statusEl = document.getElementById('status');

    const prevBtn = document.getElementById('prev');

    const nextBtn = document.getElementById('next');

    const resetBtn = document.getElementById('reset');

    const frameLabel = document.getElementById('frameLabel');

    const srcLabel = document.getElementById('srcLabel');

    const tsLabel = document.getElementById('tsLabel');



    const c = document.getElementById('c');

    const ctx = c.getContext('2d');

    let rows = [];

    let idx = 0;



    // pan/zoom

    let scale = 1.0;

    let offX = 0, offY = 0;

    let dragging = false;

    let lastX = 0, lastY = 0;



    function resetView() { scale = 1.0; offX = 0; offY = 0; draw(); }

    function clamp(v, a, b) { return Math.max(a, Math.min(b, v)); }



    function draw() {

      ctx.setTransform(1,0,0,1,0,0);

      ctx.clearRect(0,0,c.width,c.height);

      ctx.fillStyle = '#0a0a0a';

      ctx.fillRect(0,0,c.width,c.height);



      const r = rows[idx];

      if (!r || !r.keypoints) return;



      // labels

      frameLabel.textContent = `${idx+1} / ${rows.length}  (frame_id=${r.frame_id ?? '?'})`;

      srcLabel.textContent = (r.original_filename ?? '—');

      tsLabel.textContent = (typeof r.timestamp_ms === 'number' ? r.timestamp_ms.toFixed(2) : (r.timestamp_ms ?? '—'));



      // apply view transform (pan/zoom around center)

      const cx = c.width/2, cy = c.height/2;

      ctx.translate(cx + offX, cy + offY);

      ctx.scale(scale, scale);

      ctx.translate(-cx, -cy);



      const W = c.width, H = c.height;

      ctx.lineWidth = 2;

      ctx.strokeStyle = '#D4AF37';



      const edges = (r.keypoint_model === 'mediapipe_hands' || ('thumb_tip' in r.keypoints)) ? HAND_EDGES : POSE_EDGES;

      for (const [a,b] of edges) {

        const pa = r.keypoints[a], pb = r.keypoints[b];

        if (!pa || !pb) continue;

        const ax = (pa.x ?? 0) * W, ay = (pa.y ?? 0) * H;

        const bx = (pb.x ?? 0) * W, by = (pb.y ?? 0) * H;

        ctx.beginPath(); ctx.moveTo(ax,ay); ctx.lineTo(bx,by); ctx.stroke();

      }

      ctx.fillStyle = '#F4E4BC';

      for (const k in r.keypoints) {

        const p = r.keypoints[k];

        const x = (p.x ?? 0) * W, y = (p.y ?? 0) * H;

        ctx.beginPath(); ctx.arc(x,y,3,0,Math.PI*2); ctx.fill();

      }

    }



    function setIndex(i) {

      if (!rows.length) return;

      idx = clamp(i, 0, rows.length - 1);

      slider.value = String(idx);

      draw();

    }



    fileEl.addEventListener('change', async (e) => {

      const f = e.target.files && e.target.files[0];

      if (!f) return;

      const text = await f.text();

      const lines = text.split(/\r?\n/).filter(l => l.trim().length);

      rows = [];

      for (const line of lines) {

        try { rows.push(JSON.parse(line)); } catch {}

      }

      idx = 0;

      slider.max = String(Math.max(0, rows.length - 1));

      slider.value = '0';

      slider.disabled = rows.length === 0;

      prevBtn.disabled = rows.length === 0;

      nextBtn.disabled = rows.length === 0;

      resetBtn.disabled = rows.length === 0;

      statusEl.textContent = rows.length ? `Loaded ${rows.length} rows.` : 'No rows parsed.';

      resetView();

    });



    slider.addEventListener('input', (e) => setIndex(Number(e.target.value)));

    prevBtn.addEventListener('click', () => setIndex(idx - 1));

    nextBtn.addEventListener('click', () => setIndex(idx + 1));

    resetBtn.addEventListener('click', () => resetView());



    c.addEventListener('mousedown', (e) => { dragging = true; lastX = e.clientX; lastY = e.clientY; });

    window.addEventListener('mouseup', () => dragging = false);

    window.addEventListener('mousemove', (e) => {

      if (!dragging) return;

      offX += (e.clientX - lastX);

      offY += (e.clientY - lastY);

      lastX = e.clientX; lastY = e.clientY;

      draw();

    });

    c.addEventListener('wheel', (e) => {

      e.preventDefault();

      const delta = Math.sign(e.deltaY);

      const factor = delta > 0 ? 0.92 : 1.08;

      scale = clamp(scale * factor, 0.4, 6.0);

      draw();

    }, { passive: false });

  </script>
</body>
</html>