Layer control for axis baseline and series data labels

[hughess]

What problem does this feature solve?

By default, the x axis baseline is positioned behind the bars in a bar chart. This can make the bottom of the chart look messy, especially when the bar color is light (you can see it overlapping the axis line more):

A workaround is to add a high z value to the axis line to bring it to the front:

This doesn’t work if there are data labels close to the axis line - the axis line will overlap the label:

One way to solve this would be to add a z property to the data label element, so you can position the bars at the back, the axis baseline on top of those, and the bar labels on the very top. I assume an issue with this approach would be if it's not possible to separate the z values for individual graphic elements inside the same parent element.

What does the proposed API look like?

Add a z property to the series data labels.

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[ZeekoZhu]

I'm facing a similar issue, to avoid the axis line being overwritten by the bar chart, I set a higher z to the x-axis, but it also brings split lines up.

Adding a z property to the split lines is also necessary so that I can set a higher z to the axis line and a lower z to split lines.

[github-actions[bot]]

This issue has been automatically marked as stale because it did not have recent activity. It will be closed in 7 days if no further activity occurs. If you wish not to mark it as stale, please leave a comment in this issue.

[github-actions[bot]]

This issue has been automatically closed because it did not have recent activity. If this remains to be a problem with the latest version of Apache ECharts, please open a new issue and link this to it. Thanks!