tml#rotational-blur">-rotational-blur <var>angle</var></a></td>
    <td>radial blur the image</td>
  </tr>

  <tr>
    <td><a href="command-line-options.html#raise">-raise <var>value</var></a></td>
    <td>lighten/darken image edges to create a 3-D effect</td>
  </tr>

  <tr>
    <td><a href="command-line-options.html#random-threshold">-random-threshold <var>low, high</var></a></td>
    <td>random threshold the image</td>
  </tr>

  <tr>
    <td><a href="command-line-options.html#range-threshold">-range-thr