They are sorted by the x value. If sort is enabled, more optimizations are possible, increasing the performance.</td>
</tr>
<tr>
<tdclass="greenField">stack</td>
<td>stack</td>
<td>Boolean</td>
<td>true</td>
<td>If stack is enabled, the graphs will be stacked upon eachother when applicable. This currently only works with bar graphs but linegraph support is being worked on.</td>