/option>
            <option value="InverseDifference">InverseDifference</option>
            <option value="Xor">Xor</option>
            <option value="Subject">Subject</option>
            <option value="Clip">Clip</option>
        </select>
    </div>
    <div class="operation-selection">
        <label for="fillRule">FillRule: </label>
        <select id="fillRule">
            <option value="EvenOdd">EvenOdd</option>
            <option value="NonZero">NonZero</option>
        </select>
    </div>
   