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Implement `hoveron: 'fills'` for scattergl and scatterpolargl

See original GitHub issue

During a discussion in the plotly.py forums in came up that the hoverlabel for the scatterpolar trace has a different behavior when the fill state is set to toself than when it’s set to none.

CodePen: https://codepen.io/anon/pen/EpOGdX

fill: 'none' for scatterpolar screen shot 2018-08-09 at 5 52 32 am

fill: 'toself' for scatterpolar screen shot 2018-08-09 at 5 52 59 am

It also seems that the hoverinfo propery has no effect when fill is toself.

I did the same comparison with the scatterpolargl trace and it has the behavior that I expected:

fill: 'toself; for scatterpolargl screen shot 2018-08-09 at 5 56 18 am

I don’t know if this is a bug in scatterpolar or scatterpolargl, but I find the current scatterpolargl behavior (The behavior consistent with fill of none) to be more helpful.

Issue Analytics

State:
Created 5 years ago
Reactions:2
Comments:9 (6 by maintainers)

Top GitHub Comments

1reaction

jonmmeasecommented, Aug 9, 2018

Sure!

0reactions

alexcjohnsoncommented, Jan 19, 2021

Here’s hoveron: fills for scatter: https://github.com/plotly/plotly.js/blob/373d4ffbb06952eb9357c38707ba88b7aa3ba3e8/src/traces/scatter/hover.js#L107-L192

We’d need to implement similar logic in scattergl/hover - then since scatterpolargl/hover reuses scattergl/hover it might just work in scatterpolargl, or we might need a little more there.

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