 employed. Custom scales can be created and registered with a string key. This allows changing the type of an axis for a chart.</td></tr> <tr><td><code>alignToPixels</code></td> <td><code>boolean</code></td> <td><code>false</code></td> <td>Align pixel values to device pixels.</td></tr> <tr><td><code>backgroundColor</code></td> <td><a href="/docs/3.9.1/general/colors.html"><code>Color</code></a></td> <td></td> <td>Background color of the scale area.</td></tr> <tr><td><code>display</code></td> <td><code>boole