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[BUG]: `scatter` and `scattergl` show different hover labels for overlapping data points

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評估

難度
3/5
預估耗時
1-2 天
新手友好度
62/100
Issue 類型
缺陷
描述清晰度
基本清楚
活躍度
活躍
技術堆疊
javascript

研究方向

Start with the linked CodePen reproduction and compare hover selection for overlapping points in scatter and scattergl, then trace the scattergl hover entry point and related tests. Done means both trace types select the same trace for coincident points and a regression test covers the reported ordering.

由索引模型根據 Issue 內容生成。

描述

bug P3 size: 1
Description

When two traces have data points at exactly the same position, scatter and scattergl select different traces for the hover label.

In this example, both traces A and B have a point at (1, 0), with A added first and B added second.

With scatter, hovering the point shows the hover label for B (Correct).

With scattergl, hovering the same point shows the hover label for A, even though the traces and their order are otherwise identical.

I would expect scatter and scattergl to behave consistently when resolving overlapping points.

Reproducible example:

https://codepen.io/Lexachoc/pen/ogZWJKe

For scatter case:

Image

When moving even closer to marker center, label A will then show:

Image

For scattergl case, it always shows label A:

Image
主要語言
JavaScript
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1 天 19 小時
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環境準備

從這裡開始

  1. 先讀完整個 Issue,再讀專案的貢獻指南。
  2. 在 Issue 下留言說明你要接手 —— 這能避免兩個人做同樣的事。
  3. Fork 儲存庫,在一個分支上完成修改。
  4. 送出 Pull Request,並在描述裡引用這個 Issue 編號。

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