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Errorbars on scatter plots don't react to point selection

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@minwookshin 已經在處理了。

開始於 2026年10月3日。

  • #8102 來自 @minwookshin —— 未關閉

評估

難度
4/5
預估耗時
3-5 天
新手友好度
48/100
Issue 類型
缺陷
描述清晰度
基本清楚
活躍度
活躍
技術堆疊
javascript
領域
data-visualization

研究方向

從連結的 CodePen 重現開始，檢查散佈圖誤差條在選取資料點時相對於標記和線條是如何繪製的。將其行為與柱狀圖中的誤差條進行比較，然後確認選取資料點也會改變相關的誤差條，而不會獨立選取誤差條。

由索引模型根據 Issue 內容生成。

描述

bug good for agent

If you make a plot with errorbars, they aren't affected at all by selections. This both looks weird (like part of your point was left behind when it became deselected) and can cause usability problems, in that it's harder to distinguish selected and unselected points, particularly if the points themselves are small.

The simple solution here would be to include the errorbars in the group that responds to marker.opacity. That also seems the most correct, as you shouldn't see an errorbar through a partially transparent marker, and intuitively I'd expect errorbars to become transparent along with their associated markers. I think that would cover most use cases, though including some errorbar attributes like color and thickness in the selected and unselected styles would also be nice.

A tricky bit here is that normally errorbars are drawn behind lines but markers are in front of lines, so they can't just be combined with the markers. I suspect the right solution is to only put them behind the lines when there are no markers, but when there are markers bring them up to just behind and grouped with each marker.

Relatedly, no errorbar attributes other than array and arrayminus accept arrays. Enabling color in particular to be an array would be useful, and could mostly work around the main issue here in some cases, though I wouldn't call it a full solution.

https://codepen.io/alexcjohnson/pen/RNbGamp?editors=0010
Image

To be clear: I don't think we should select the errorbars themselves - just select the points and bring the errorbars along for the ride.

Interestingly, errorbars on bar charts already behave correctly:

Image
主要語言
JavaScript
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從這裡開始

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  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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