support vertical parallel coordinates
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- Dominant language
- JavaScript
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- 18.3k
- Forks
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- Avg merge
- 2d 12h
- Merged PRs (30d)
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Description
We are using the parallel coordinates plot from plotly.js in a Dash app. The number of variables/parameters is quite large, which makes it necessary to scroll it horizontally for the user. In our use case, vertical scrolling would be more natural.

It might be that it already is possible to "flip" the parallel coordinates plot, and specify categorical axis as vertical, but we haven't been able to find such a setting.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start in the plotly.js parallel coordinates implementation and check whether its configuration already supports changing the plot orientation or scrolling direction; the issue names no specific file or test. Done means users can arrange the plot for natural vertical scrolling when many variables are present, with the behavior verified in the relevant chart tests.
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Assessment
- Tech stack
- javascript
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100