SiliconAperture/index.html at main · kluter/SiliconAperture · 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>SiliconAperture</title>
  <link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css">
  <link rel="icon" type="image/png" href="assets/favicon-96x96.png" sizes="96x96">
  <link rel="icon" type="image/svg+xml" href="assets/favicon.svg">
  <link rel="shortcut icon" href="assets/favicon.ico">
  <link rel="apple-touch-icon" sizes="180x180" href="assets/apple-touch-icon.png">
  <link rel="manifest" href="assets/site.webmanifest">
  <link rel="stylesheet" href="css/style.css">
</head>
<body>
<div id="app">

  <!-- ═══ LEFT: IMAGE PANEL ═══ -->
  <div id="image-panel">
    <div class="panel-header">
      <div class="brand">
          <svg class="brand-logo" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
            <defs><clipPath id="brand-hex-clip"><polygon points="10,73 10,27 50,4 90,27 90,73 50,96"/></clipPath></defs>
            <polygon points="10,73 10,27 50,4 90,27 90,73 50,96" fill="#130608"/>
            <g clip-path="url(#brand-hex-clip)">
              <polygon points="50,62 27,100 73,100" fill="#e63946"/>
              <polygon points="50,62 5,-10 95,-10" fill="#e63946"/>
            </g>
            <polygon points="10,73 10,27 50,4 90,27 90,73 50,96" fill="none" stroke="#e63946" stroke-width="5"/>
          </svg><span><span class="brand-accent">Silicon</span>Aperture</span></div>
      <div class="toolbar">
        <button id="btn-reset-marks" disabled>Reset marks</button>
        <button id="btn-new-image">New image</button>
      </div>
    </div>

    <div id="step-bar">
      <div class="step-chain">
        <div class="step-node active" id="step-photo">
          <span class="step-icon" data-n="1"></span>
          <span class="step-label">Drop image here</span>
        </div>
        <span class="step-connector">—</span>
        <div class="step-node" id="step-sensor">
          <span class="step-icon" data-n="2"></span>
          <span class="step-label">Enter sensor parameters</span>
        </div>
        <span class="step-connector">—</span>
        <div class="step-node" id="step-mark">
          <span class="step-icon" data-n="3"></span>
          <span class="step-label">Mark measurement on photo</span>
        </div>
        <span class="step-connector">—</span>
        <div class="step-node" id="step-dist">
          <span class="step-icon" data-n="4"></span>
          <span class="step-label">Mark distance on map</span>
        </div>
      </div>
      <span id="pixel-readout" class="step-val"></span>
    </div>

    <div id="image-container">
      <canvas id="image-canvas"></canvas>
      <div id="drop-overlay">
        <div class="drop-inner">
          <div class="drop-icon">
          <svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
            <defs><clipPath id="sa-hex-clip"><polygon points="10,73 10,27 50,4 90,27 90,73 50,96"/></clipPath></defs>
            <polygon points="10,73 10,27 50,4 90,27 90,73 50,96" fill="#130608"/>
            <g clip-path="url(#sa-hex-clip)">
              <polygon points="50,62 27,100 73,100" fill="#e63946"/>
              <polygon points="50,62 5,-10 95,-10" fill="#e63946"/>
            </g>
            <polygon points="10,73 10,27 50,4 90,27 90,73 50,96" fill="none" stroke="#e63946" stroke-width="5"/>
          </svg>
        </div>
          <div class="drop-msg">Drop a photo here<br><span>or click to browse</span></div>
        </div>
      </div>
      <input type="file" id="file-input" accept="image/*">
      <div class="zoom-hint">scroll to zoom · drag to pan · click twice to mark object extent</div>
    </div>
  </div>

  <!-- ═══ RIGHT: CONTROLS PANEL ═══ -->
  <div id="controls-panel">
    <div class="panel-header">
      <div class="panel-title">Image Mensuration</div>
      <div class="header-actions">
        <a id="github-link" class="icon-btn" href="https://github.com/kluter/SiliconAperture" target="_blank" rel="noopener noreferrer" title="View source on GitHub" aria-label="View source on GitHub">
          <svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor" aria-hidden="true">
            <path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"/>
          </svg>
        </a>
        <button id="btn-help" class="icon-btn" title="How to use">?</button>
      </div>
    </div>

    <!-- EXIF strip — always visible, prominent -->
    <div id="exif-bar">
      <div class="exif-cell">
        <div class="exif-lbl">Camera</div>
        <div class="exif-val" id="exif-camera-val">—</div>
      </div>
      <div class="exif-cell">
        <div class="exif-lbl">Focal length</div>
        <div class="exif-val" id="exif-focal-val">—</div>
        <div class="exif-sub" id="exif-focal-eq"></div>
      </div>
      <div class="exif-cell">
        <div class="exif-lbl">Image size</div>
        <div class="exif-val" id="exif-size-val">—</div>
      </div>
      <div class="exif-cell">
        <div class="exif-lbl">GPS</div>
        <div class="exif-val" id="exif-gps-val">—</div>
      </div>
    </div>

    <!-- Camera obscura / similar-triangles diagram -->
    <div id="diagram-wrap">
      <svg id="diagram-svg" viewBox="-6.5 0 530 132" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
        <!-- Sensor (left — inner orientation, short side) -->
        <line id="seg-sensor"   class="seg"         x1="52"  y1="16"  x2="52"  y2="104"/>
        <!-- Pixel span marker on sensor -->
        <line id="seg-pixels"   class="seg px-mark" x1="52"  y1="30"  x2="52"  y2="90"/>
        <!-- Focal length (short) -->
        <line id="seg-focal"    class="seg dashed"  x1="52"  y1="60"  x2="165" y2="60"/>
        <!-- Rays: sensor to pinhole -->
        <line id="ray-tl"       class="seg ray"     x1="52"  y1="16"  x2="165" y2="60"/>
        <line id="ray-bl"       class="seg ray"     x1="52"  y1="104" x2="165" y2="60"/>
        <!-- Pinhole -->
        <circle id="seg-pinhole" class="seg dot"    cx="165" cy="60"  r="5"/>
        <!-- Rays: pinhole to object -->
        <line id="ray-tr"       class="seg ray"     x1="165" y1="60"  x2="465" y2="16"/>
        <line id="ray-br"       class="seg ray"     x1="165" y1="60"  x2="465" y2="104"/>
        <!-- Distance (long) -->
        <line id="seg-distance" class="seg dashed"  x1="165" y1="60"  x2="465" y2="60"/>
        <!-- Object (right — real world, long side) -->
        <line id="seg-object"   class="seg"         x1="465" y1="16"  x2="465" y2="104"/>
        <!-- Labels -->
        <text id="diag-lbl-sensor" x="52"  y="120" class="diag-lbl" text-anchor="middle">sensor</text>
        <text id="diag-lbl-px"     x="70"  y="74"  class="diag-lbl" text-anchor="start">px</text>
        <text id="diag-lbl-f"      x="108" y="52"  class="diag-lbl" text-anchor="middle">f</text>
        <text id="diag-lbl-d"      x="315" y="52"  class="diag-lbl" text-anchor="middle">D</text>
        <text id="diag-lbl-object" x="465" y="120" class="diag-lbl" text-anchor="middle">object</text>
        <!-- Real-size label (appears when result computed) -->
        <text id="diag-lbl-result" x="465" y="10" class="diag-lbl diag-result" text-anchor="middle" style="display:none">size</text>
      </svg>
    </div>

    <!-- Inputs -->
    <div id="inputs-section">

      <!-- Sensor world -->
      <div class="input-group">
        <label class="field-label">Sensor
          <span id="src-exif"   class="src-badge">EXIF</span>
          <span id="src-db"     class="src-badge">DB</span>
          <span id="src-custom" class="src-badge">CUSTOM</span>
        </label>
        <button id="camera-trigger" type="button">— select camera / phone —</button>
        <div class="input-row">
          <div class="labeled-input" style="flex:1">
            <input type="number" id="sensor-w-input" placeholder="0.00" min="0.1" step="0.01" style="width:100%" autocomplete="off">
            <span class="unit-tag">mm W</span>
          </div>
          <div class="labeled-input" style="flex:1">
            <input type="number" id="sensor-h-input" placeholder="0.00" min="0.1" step="0.01" style="width:100%" autocomplete="off">
            <span class="unit-tag">mm H</span>
          </div>
          <div class="labeled-input" style="flex:1">
            <input type="number" id="focal-length-input" placeholder="0.00" min="0.1" step="0.01" style="width:100%" autocomplete="off">
            <span class="unit-tag">mm f</span>
          </div>
        </div>
      </div>

      <!-- Object world -->
      <div style="display:flex; gap:10px; border-top:1px solid #1e1e1e; padding-top:10px; margin-top:2px;">
        <div class="input-group" style="flex:1">
          <label class="field-label">Object span
            <span class="field-source" id="span-source">click two points on photo</span>
          </label>
          <div class="input-row">
            <div class="labeled-input" style="flex:1">
              <input type="number" id="pixel-span-input" placeholder="—" min="1" step="1" readonly style="width:100%">
              <span class="unit-tag">px</span>
            </div>
          </div>
        </div>

        <div class="input-group" style="flex:1">
          <label class="field-label"><span id="dist-size-label">Distance</span></label>
          <div class="input-row">
            <div class="labeled-input" id="distance-field" style="flex:1">
              <input type="number" id="distance-input" placeholder="0.0" min="0.01" step="0.1" style="width:100%" autocomplete="off">
              <span class="unit-tag">m</span>
            </div>
            <div class="labeled-input" id="known-size-field" style="flex:1; display:none">
              <input type="number" id="known-size-input" placeholder="0.0" min="0.01" step="0.1" style="width:100%" autocomplete="off">
              <span class="unit-tag">m</span>
            </div>
          </div>
        </div>
      </div>

    </div>

    <!-- Result -->
    <div id="result-bar">
      <div id="solve-toggle">
        <button type="button" class="solve-btn active-solve" data-mode="size">Size</button>
        <button type="button" class="solve-btn" data-mode="distance">Distance</button>
      </div>
      <div class="result-divider"></div>
      <div id="result-main">
        <div class="result-label" id="result-label">Real-world size</div>
        <div class="result-display">
          <span id="result-value">—</span>
          <span id="result-unit" class="result-unit">m</span>
        </div>
        <div id="result-eq"></div>
      </div>
    </div>

    <!-- Map — always visible -->
    <div id="map-section">
      <div id="map-header">
        <span class="map-dist-label">Distance</span>
        <span id="map-dist-val">camera position → object position</span>
        <div id="map-tile-btns">
          <button class="tile-btn active-tile" data-tile="esri">Satellite</button>
          <button class="tile-btn" data-tile="osm">OSM</button>
          <button class="tile-btn" data-tile="carto">Dark</button>
        </div>
        <button id="btn-map-reset-pts" class="icon-btn" title="Reset measurement points">↺</button>
      </div>
      <div id="map-coord-row">
        <input type="text" id="coord-input" placeholder="paste lat, lng to place a point" autocomplete="off" spellcheck="false">
      </div>
      <div id="map-container"></div>
    </div>

  </div>
</div>

<!-- Help overlay -->
<div id="help-card" style="display:none">
  <div class="help-inner">
    <div class="help-header">
      <span>How to use <span class="brand-accent">Silicon</span>Aperture</span>
      <button id="btn-help-close" class="icon-btn">✕</button>
    </div>
    <ol class="help-steps">
      <li>Drop a photo onto the left panel.</li>
      <li>If the image contains EXIF metadata, camera model, sensor and focal length are detected automatically. Otherwise select your camera from the dropdown or enter sensor dimensions and focal length manually.</li>
      <li>Click two points on the photo to mark the object's extent. The pixel span fills in.</li>
      <li>Enter the distance to the object in meters, or click two points on the satellite map to measure it.</li>
      <li>The real-world size appears as soon as all four inputs are valid.</li>
    </ol>
    <p class="help-formula-note">Flip the <strong>Solve for</strong> toggle to <strong>Distance</strong> to work it the other way: enter an object's known real-world size and the tool returns the distance to it, then click the object on the satellite map to draw a ring of possible camera positions.</p>
    <div class="help-formulas">
      <div class="help-formula" style="text-align:center">
        <div class="help-formula-label">Solve for size</div>
        <code>size = √( (D·tan(Δx/W·sw/f))² + (D·tan(Δy/H·sh/f))² )</code>
      </div>
      <div class="help-formula" style="text-align:center">
        <div class="help-formula-label">Solve for distance</div>
        <code>D = size / √( tan(Δx/W·sw/f)² + tan(Δy/H·sh/f)² )</code>
      </div>
    </div>
    <table class="help-legend">
      <tr><td>D</td><td>distance to object</td><td>f</td><td>focal length</td></tr>
      <tr><td>Δx, Δy</td><td>pixel span per axis</td><td>W, H</td><td>image width / height</td></tr>
      <tr><td>sw, sh</td><td>sensor width / height</td><td></td><td></td></tr>
    </table>
    <p class="help-formula-note">Each axis is solved independently with its matching sensor dimension, then the two real-world components are combined with Pythagoras. Works for marks at any angle.<br><br>Accurate results require the object to be <strong>perpendicular to the camera axis</strong>. If the surface is angled, the apparent extent seen by the lens no longer maps linearly to the true physical size, and the result will be inaccurate.</p>
    <div class="help-shortcuts">
      <kbd>R</kbd><span>Reset marks</span>
      <kbd>N</kbd><span>New image</span>
      <kbd>Esc</kbd><span>Close help</span>
    </div>
  </div>
</div>

<div id="toast-container"></div>

<script src="https://unpkg.com/[email protected]/dist/leaflet.js"></script>
<script src="https://cdn.jsdelivr.net/npm/exifr/dist/full.umd.min.js"></script>
<script src="js/camera-db.js"></script>
<script src="js/script.js"></script>
</body>
</html>