support soft/curved lines in parallel coordinates plot
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feature
P3
- Dominant language
- Python
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Description
Dear community,
I'm using the graph object to plot the parallel coordinate plot. Everything works well, but I want to draw soft or curved lines in the parallel coordinate plot like below image.

Is it possible?
Thanks,
Pritesh
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 by reviewing the graph object and the existing parallel coordinate plot support in plotly.py. Determine whether curved or soft lines are supported, identify the scope of the requested behavior, and define a testable expected result before proposing implementation.
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Assessment
- Tech stack
- python
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100