code>, the zoom number used in tile URLs will be reversed (<code>maxZoom - zoom</code> instead of <code>zoom</code>)</td>
	</tr>
	<tr>
<td><code><b>opacity</b></code></td>
<td><code>Number</code></td>
<td><code><span class="number">1.0</span></code></td>
<td>The opacity of the tile layer.</td>
	</tr>
	<tr>
<td><code><b>zIndex</b></code></td>
<td><code>Number</code></td>
<td><code><span class="literal">null</span></code></td>
<td>The explicit zIndex of the tile layer. Not set by default.</td>
	<