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[BUG]: TOZEROY FILL IS FILLING AREAS OF THE PLOT THAT HAS NO DATA IN IT · Issue #5632 · plotly/plotly.py · GitHub
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[BUG]: TOZEROY FILL IS FILLING AREAS OF THE PLOT THAT HAS NO DATA IN IT #5632

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@tejiriderek87

So, I have currently implemented the tozeroy fill (the area under the curve) to a feature in one of the datasets I'm working with
When I set the fill the tozeroy, it fills under the areas of the plot that currently have no data in it, tozeroy currently joins a polygon from the bottom edge of a point that has data to the top of another edge that has data in it to cover that empty data trace section.
When I set the fill to 'none', plotly obeys the rule of not covering for the spots that has no data in it as shown in the picture below
The areas I circled is where the problem lies as shown in the picture below

Thank you

Image

Activity

  1. camdecoster commented on Jun 24, 2026

    @camdecoster
    Contributor

    Thanks for the report! This certainly seems like a bug. Our team probably won't be able to get to this in the near future, but we can prioritize a PR review if you'd like to work on it.

  2. tejiriderek87 commented on Jun 24, 2026

    @tejiriderek87
    Author

    Thank you for the reply, I fixed it in my current workflow and I was able to make the tozeroy fill break when no data is in that region
    See attached image below
    Yes you can prioritize a PR for me to work on

    Image
  3. aminehd commented on Jul 2, 2026

    @aminehd

    Hi, I'd like to work on this

  4. robertclaus commented on Jul 8, 2026

    @robertclaus

    @tejiriderek87 that image looks great! If you are able to open a PR with this fix, we would be thrilled to review it!

  5. tejiriderek87 commented on Jul 8, 2026

    @tejiriderek87
    Author

    Hi, I'd like to work on this

    I would open a PR and contact you bro

  6. tejiriderek87 commented on Jul 8, 2026

    @tejiriderek87
    Author

    @tejiriderek87 that image looks great! If you are able to open a PR with this fix, we would be thrilled to review it!

    I'll do that in a jiffy

  7. wenxian-1-cmyk commented on Jul 11, 2026

    @wenxian-1-cmyk

    Hi! I'm a beginner in open source and would like to work on this issue. Could you please guide me on how to reproduce it? I'll try my best to fix it! 🙏

  8. LouisDeconinck commented on Sep 12, 2026

    @LouisDeconinck

    I'd like to pick this up — the previous claimant has been inactive for ~2 months. I'll investigate whether this needs a fix in plotly.py or upstream in plotly.js and open a PR accordingly.

  9. camdecoster commented on Sep 12, 2026

    @camdecoster
    Contributor

    Feel free to investigate the issue, but please present your findings and plan for a solution before creating a PR.

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