MetaverseBookmarks/perf_evaluation.html at main · VT-Visionarium/MetaverseBookmarks · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Bookmarking – Euclidean Accuracy & Performance</title>

  <!-- X3DOM runtime -->
  <script src="https://www.x3dom.org/download/1.8.2/x3dom.js"></script>
  <link rel="stylesheet" href="https://www.x3dom.org/download/1.8.2/x3dom.css" />

  <style>
    body {
      text-align: center;
      font-family: Arial, Helvetica, sans-serif;
      margin: 0;
      padding: 20px;
      background: #f4f4f4;
    }
    x3d {
      width: 900px;
      height: 600px;
      border: 2px solid #000;
      margin: 0 auto 20px;
    }
    button {
      margin: 5px;
      padding: 10px 15px;
      font-size: 14px;
      cursor: pointer;
      border: none;
      border-radius: 5px;
      background: #007bff;
      color: #fff;
      transition: background 0.3s;
    }
    button:hover {
      background: #0056b3;
    }
    .controls {
      position: absolute;
      top: 95%;
      left: 50%;
      transform: translate(-50%, -50%);
      text-align: center;
      max-width: 400px;
      background: rgba(255,255,255,0.8);
      padding: 15px;
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.2);
      z-index: 999;
    }
    textarea {
      width: 300px;
      height: 100px;
      margin-top: 10px;
      padding: 5px;
      border: 1px solid #ccc;
      border-radius: 5px;
      font-family: monospace;
      font-size: 12px;
      resize: none;
    }
    #distanceContainer {
      margin-top: 10px;
      font-weight: bold;
      color: #d9534f; /* bootstrap danger red */
    }
    /* modal styles (unchanged) */
    .modal {
      display: none;
      position: fixed;
      z-index: 1000;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      overflow: auto;
      background: rgba(0,0,0,0.5);
    }
    .modal-content {
      background: #fff;
      margin: 10% auto;
      padding: 20px;
      border-radius: 10px;
      width: 80%;
      max-width: 600px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.3);
      position: relative;
    }
    .modal-content textarea {
      width: 100%;
      height: 300px;
      font-family: monospace;
      font-size: 13px;
      padding: 10px;
    }
    .close-btn {
      position: absolute;
      top: 10px;
      right: 15px;
      color: #aaa;
      font-size: 24px;
      font-weight: bold;
      cursor: pointer;
    }
    .close-btn:hover {
      color: #000;
    }
    #thumbnailPreview,
    #applyModalThumbnail {
      display: block;
      max-width: 300px;
      margin-top: 10px;
      border: 1px solid #ccc;
    }
    #applyModal .modal-content button {
      width: 100px;
    }
  </style>
</head>

<body>
  <h1 style="margin:20px 0;font-size:24px;color:#333">
    X3D Bookmarking Example with Roanoke City Model
  </h1>

  <!-- 3-D SCENE -->
  <x3d id="x3dElement">
    <scene>
      <WorldInfo title="Roanoke City Model"
                 info="Built 2025, (c) Virginia Tech"
                 ageRestriction="18"
                 license="CC-BY-4.0"></WorldInfo>

      <!-- skybox -->
      <Background backUrl="nz.png" bottomUrl="ny.png" frontUrl="pz.png"
                  leftUrl="nx.png" rightUrl="px.png" topUrl="py.png"></Background>

      <!-- default viewpoint -->
      <Viewpoint DEF="AnimatedViewpoint"
                 position="947.60547 358.48150 114.24887"
                 orientation="-0.12102 0.99012 0.07078 1.38605"
                 description="Animated Street View"></Viewpoint>

      <!-- external model -->
      <Inline url="./3d_file/test.x3d"></Inline>

      <!-- ground -->
      <Transform translation="0 270 0">
        <Shape>
          <Appearance>
            <Material diffuseColor="0.5 0.5 0.5"></Material>
          </Appearance>
          <IndexedFaceSet coordIndex="0 1 2 3 -1" solid="false">
            <Coordinate point="-5000 0 -5000  5000 0 -5000  5000 0 5000  -5000 0 5000"></Coordinate>
          </IndexedFaceSet>
        </Shape>
      </Transform>

      <!-- simple animation plumbing -->
      <TimeSensor DEF="SceneTimer" loop="false"></TimeSensor>
      <PositionInterpolator DEF="ScenePositionInterp"></PositionInterpolator>
      <OrientationInterpolator DEF="SceneOrientationInterp"></OrientationInterpolator>
      <ROUTE fromNode="SceneTimer" fromField="fraction_changed"
             toNode="ScenePositionInterp" toField="set_fraction"></ROUTE>
      <ROUTE fromNode="SceneTimer" fromField="fraction_changed"
             toNode="SceneOrientationInterp" toField="set_fraction"></ROUTE>
      <ROUTE fromNode="ScenePositionInterp" fromField="value_changed"
             toNode="AnimatedViewpoint" toField="set_position"></ROUTE>
      <ROUTE fromNode="SceneOrientationInterp" fromField="value_changed"
             toNode="AnimatedViewpoint" toField="set_orientation"></ROUTE>
    </scene>
  </x3d>

  <!-- UI -->
  <div class="controls">
    <button onclick="generateBookmark()">Generate Bookmark</button>
    <button onclick="applyBookmark()">Apply Bookmark</button><br>
    <textarea id="bookmarkData" placeholder="Bookmark JSON here…"></textarea>
    <div id="distanceContainer">Distance Error: —</div>
  </div>

  <!-- performance readout -->
  <div id="perfContainer" style="margin-top:8px;font-size:13px;color:#555">
    Performance: —
  </div>

  <!-- modals (unchanged markup) -->
  <div id="bookmarkModal" class="modal">
    <div class="modal-content">
      <span class="close-btn" onclick="closeModal()">&times;</span>
      <h2>Generated Bookmark</h2>
      <textarea readonly id="bookmarkModalText"></textarea>
      <p id="copyStatus" style="color:green;margin-top:10px;font-weight:bold"></p>
      <img id="thumbnailPreview" alt="Thumbnail Preview">
    </div>
  </div>

  <div id="applyModal" class="modal">
    <div class="modal-content">
      <span class="close-btn" onclick="closeApplyModal()">&times;</span>
      <h2>Preview Bookmark</h2>
      <img id="applyModalThumbnail" alt="Bookmark thumbnail preview">
      <div style="margin-top:20px">
        <button onclick="confirmApply()">Apply</button>
        <button onclick="closeApplyModal()">Cancel</button>
      </div>
    </div>
  </div>

  <script>
    /* ───────────────────────── helpers ───────────────────────── */

    function getRuntime() {
      return document.getElementById("x3dElement").runtime;
    }

    // compute Euclidean distance and orientation difference
    function showDistance(expectedPos, expectedOrient) {
      const runtime = getRuntime();
      const inv = runtime.viewMatrix().inverse();

      // position error
      const pos = inv.e3();
      const dx = pos.x - expectedPos[0];
      const dy = pos.y - expectedPos[1];
      const dz = pos.z - expectedPos[2];
      const d = Math.hypot(dx, dy, dz);

      // orientation error
      const currQ = new x3dom.fields.Quaternion();
      currQ.setValue(inv);
      const [, currAngle] = currQ.toAxisAngle();
      const expAngle = expectedOrient[3];
      let diff = Math.abs(currAngle - expAngle);
      if (diff > Math.PI) diff = 2 * Math.PI - diff;
      const angleDeg = diff * (180 / Math.PI);

      document.getElementById("distanceContainer").textContent =
        `Distance Error: ${d.toFixed(3)} m, Orientation Error: ${angleDeg.toFixed(2)}°`;
    }

    /* ───────────────────────── modal utils ───────────────────────── */

    function closeModal() {
      document.getElementById("bookmarkModal").style.display = "none";
      document.getElementById("copyStatus").textContent = "";
    }
    function closeApplyModal() {
      document.getElementById("applyModal").style.display = "none";
      window._currentBookmark = null;
    }

    /* ───────────────────────── thumbnail helper ───────────────────────── */

    function compressDataURI(dataURI, maxWidth = 300, quality = 0.7) {
      return new Promise(res => {
        const img = new Image();
        img.onload = () => {
          const scale = maxWidth / img.width;
          const canvas = document.createElement("canvas");
          canvas.width = maxWidth;
          canvas.height = img.height * scale;
          canvas.getContext("2d").drawImage(img, 0, 0, canvas.width, canvas.height);
          res(canvas.toDataURL("image/jpeg", quality));
        };
        img.src = dataURI;
      });
    }

    /* ───────────────────────── bookmark generation ───────────────────────── */

    async function generateBookmark() {
      const t0 = performance.now();

      const runtime = getRuntime();
      const vpMatrix = runtime.viewMatrix().inverse();
      const posQuat = vpMatrix.e3();
      const quat = new x3dom.fields.Quaternion();
      quat.setValue(vpMatrix);
      const [axis, angle] = quat.toAxisAngle();

      const vp = runtime.viewpoint();
      const fov = vp.getFieldOfView();
      const zNear = vp.getNear();
      const zFar = vp.getFar();

      const navType = runtime.navigationType();
      const navSpeed = runtime.speed();

      const wi = document.querySelector("WorldInfo");
      const sceneMeta = {
        title: wi?.getAttribute("title") ?? "",
        info: wi?.getAttribute("info") ?? "",
        ageRestriction: wi?.getAttribute("ageRestriction") ?? "none",
        licenses: wi?.getAttribute("license") ?? ""
      };

      const rawURI = runtime.getScreenshot();
      const thumbnailURI = await compressDataURI(rawURI, 300, 0.7);

      const bookmark = {
        camera: {
          position: [posQuat.x, posQuat.y, posQuat.z],
          orientation: [axis.x, axis.y, axis.z, angle],
          fieldOfView: fov,
          zNear: zNear,
          zFar: zFar
        },
        navigation: { type: navType, speed: navSpeed },
        metadata: {
          annotation: "Generated viewpoint",
          timestamp: new Date().toISOString(),
          author: "User",
          application: "X3DOM Bookmarking v1.2",
          thumbnail: thumbnailURI,
          licenses: sceneMeta.licenses,
          ageRestriction: sceneMeta.ageRestriction,
          scene: { title: sceneMeta.title, info: sceneMeta.info }
        }
      };

      const str = JSON.stringify(bookmark, null, 2);
      const t1 = performance.now();
      const size = new TextEncoder().encode(str).length;
      document.getElementById("perfContainer").textContent =
        `Generated in ${(t1 - t0).toFixed(1)} ms · ${size} bytes`;

      document.getElementById("bookmarkData").value = str;
      document.getElementById("bookmarkModalText").value = str;
      document.getElementById("thumbnailPreview").src = thumbnailURI;
      document.getElementById("bookmarkModal").style.display = "block";

      navigator.clipboard.writeText(str)
        .then(() => document.getElementById("copyStatus").textContent = "✅ Bookmark copied!")
        .catch(() => document.getElementById("copyStatus").textContent = "⚠️ Copy failed.");
    }

    /* ───────────────────────── bookmark application ───────────────────────── */

    function applyBookmark() {
      const tParseStart = performance.now();
      let bookmark;
      try {
        bookmark = JSON.parse(document.getElementById("bookmarkData").value);
      } catch (e) {
        console.error(e);
        alert("Invalid bookmark data!");
        return;
      }
      const tParseEnd = performance.now();

      window._currentBookmark = bookmark;
      window._parseTime = tParseEnd - tParseStart;

      if (bookmark.metadata?.thumbnail) {
        document.getElementById("applyModalThumbnail").src = bookmark.metadata.thumbnail;
      }
      document.getElementById("applyModal").style.display = "block";
    }

    function confirmApply() {
      const tApplyStart = performance.now();
      const bookmark = window._currentBookmark;
      if (!bookmark) return closeApplyModal();

      const runtime = getRuntime();
      const cam = bookmark.camera;

      // create a temporary viewpoint so we can bind to it
      const vp = document.createElement("Viewpoint");
      vp.setAttribute("position", cam.position.join(" "));
      vp.setAttribute("orientation", cam.orientation.join(" "));
      vp.setAttribute("fieldOfView", cam.fieldOfView);
      vp.setAttribute("zNear", cam.zNear);
      vp.setAttribute("zFar", cam.zFar);
      document.querySelector("scene").appendChild(vp);

      // wait one frame, bind, then measure
      runtime.exitFrame = () => {
        vp.setAttribute("bind", "true");
        runtime.exitFrame = () => {};
        setTimeout(() => {
          showDistance(cam.position, cam.orientation);

          const tApplyEnd = performance.now();
          const tParse = window._parseTime?.toFixed(1);
          const tBind = (tApplyEnd - tApplyStart).toFixed(1);
          document.getElementById("perfContainer").textContent =
            `Parsed in ${tParse} ms · Applied in ${tBind} ms`;
        }, 0);
      };

      if (bookmark.navigation) {
        runtime.navigationType(bookmark.navigation.type);
        runtime.speed(bookmark.navigation.speed);
      }

      closeApplyModal();
      alert("✅ Bookmark applied!");
    }

    /* ───────────────────────── global modal click-off ───────────────────────── */

    window.onclick = e => {
      if (e.target === document.getElementById("bookmarkModal")) closeModal();
      if (e.target === document.getElementById("applyModal")) closeApplyModal();
    };
  </script>
</body>
</html>