sushuang

Could I know: why need to stack these two series?

TODO fix: (1) `dataSampling` processor is after `dataStack` processor. So `List#downSample` should retrieve data from the `__ecstackresult` (if exists) dimension rather than the original dimension. (2) Probably we can provide...

Indeed it is a bug. To reproduce it, resize the chart to make bar very thin, and hover the bars, and then resize the chart back.

That is a problem brought by upgrading `axisPointer` one day. I should think about a thorough solution to it.

To reproduce it: need to move the cursor from outside the echarts to a rect, and need to move very fast.

> Is there any way to solve the issue that emphasis.label.formatter is invalid Also not available in current version. Should be enhanced.

The `emphasis.format.label` problem is fixed in #12471. The hover bug is not fixed yet.

`series-bar.clip` still not correct enough for `time` and `value` axis.

@JinJianQi @Ovilia This case shows how to use "mousewheel" to scroll single diectory: https://echarts.apache.org/examples/en/editor.html?c=custom-gantt-flight > A) Automatically turns zooming into scroll for touchpad events > or > B) Let the...

@JinJianQi @Ovilia I got your point. And the effect is good when both x and y direction can be controlled by two finger move and zoom by two fingers separating...