Currently, only built-in smooth algorithm can be used, see <https://ecomfe.github.io/echarts-doc/public/en/option.html#series-line.smoothMonotone> for details.
But in fact do you want to draw a quarticOut line, like this [example](https://ecomfe.github.io/echarts-examples/public/editor.html?c=line-easing) dose? [ Full content available at: https://github.com/apache/incubator-echarts/issues/9020 ] This message was relayed via gitbox.apache.org for [email protected]
