  <td colspan="2"><span parent="getEdgeAt" class="right-caret" id="method_getEdgeAt"></span> getEdgeAt(<code><i>{x: xPosition
                    DOM, y: yPosition DOM}</i></code>)
                </td>
            </tr>
            <tr class="hidden" parent="getEdgeAt">
                <td class="midMethods">Returns: String</td>
                <td>Returns a edgeId or undefined. The DOM positions are expected to be in pixels from the top left
                    corner
                    of the canvas..
 