s"><span class="type">number</span></span>
         position
        </li>
    </ul>





</dd>
    <dt>
    <a name = "export_screenshot"></a>
    <strong>export_screenshot (filename)</strong>
    </dt>
    <dd>
    export screenshot


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">filename</span>
         saved to dust/data/(script)/(filename).png
        </li>
    </ul>





</dd>
    <dt>
    <a name = "display_png"></a>
    <strong>display_png (filename, x, y)</strong>
    </dt>
