plotly / plotly/plotly.js

Selected/unselected markers opacity can't be set to 0 in splom plot

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

This bug was found by another user in the forum: https://community.plotly.com/t/splom-unselected-not-working/66000

The marker opacity and size for selected/unselected point in a splom plot is ignored when the value is set to 0.

Here is the codepen provided in the community thread (to save a click): https://codepen.io/MayaRGans/pen/NWYRprJ

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 by reproducing the issue with the linked CodePen and the forum example, focusing on a splom plot with selected or unselected marker opacity and size set to 0. Trace the splom marker styling behavior from there; done means both opacity and size values of 0 are honored.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
data-visualization
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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