plotly / plotly/plotly.js

Scatter3d points are not sorted in depth within one trace when having alpha

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bug P3
Dominant language
JavaScript
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Merged PRs (30d)
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Description

Codepen

For cross trace issue see:
https://github.com/plotly/plotly.js/issues/1267

Also reported by @nicolaskruchten

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked CodePen reproduction and compare the rendered Scatter3d points when alpha is enabled. Trace the rendering path for a single trace and determine where depth ordering is handled; done means the points in one trace render in the correct depth order with transparency.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
data-visualization
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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