[Custom Chart] hideOverlap of labelLayout does not work correctly

[nhhaidee]

Version

5.2.2

Reproduction link

https://codesandbox.io/s/brave-silence-4jwte

Steps to reproduce

1. Plot custom chart using renderItem function
2. Set labelLayout: { hideOverlap: true}

What is expected?

The label of components in custom chart must be display correctly in which hide labels will be display when zoom in

What is actually happening?

Some labels are disappear when zoom in and zoom out again

[echarts-bot]

Hi! We've received your issue and please be patient to get responded. 🎉
The average response time is expected to be within one day for weekdays.

In the meanwhile, please make sure that it contains a minimum reproducible demo and necessary images to illustrate. Otherwise, our committers will ask you to do so.

A minimum reproducible demo should contain as little data and components as possible but can still illustrate your problem. This is the best way for us to reproduce it and solve the problem faster.

You may also check out the API and chart option to get the answer.

If you don't get helped for a long time (over a week) or have an urgent question to ask, you may also send an email to dev@echarts.apache.org. Please attach the issue link if it's a technical question.

If you are interested in the project, you may also subscribe to our mailing list.

Have a nice day! 🍵

[nhhaidee]

The chart before zoom in

The chart after zoom/in and out, some labels such as M, N, orf1ab are disappeared

[echarts-bot]

This issue is labeled with priority: high, which means it's a frequently asked problem and we will fix it ASAP.

[nhhaidee]

@pissang Our tool is waiting for the fixes for this bug and I am trying to fix this bug by myself. I've just started looking at Echarts code and am having difficulties figuring out which part of the code I should be working on, can you just give me some hints about that?

[pissang]

@nhhaidee Hi, LabelManager#layout may be a good entry to dig into this issue. You can add a breakpoint in this function to see how it behaviors.