Skip to content

folium.VegaLite chart ignoring domainMin #2204

Closed

Description

@vonnonn

Folium.VegaLite chart incorrectly displaying y scale due to ignoring domainMin value.

Image
{
  "config": {"view": {"continuousWidth": 300, "continuousHeight": 300}},
  "data": {"name": "data-c2c97218cb44d353a53139db41aabca1"},
  "mark": {"type": "line"},
  "encoding": {
    "x": {
      "field": "distance_(m)",
      "title": "Distance (m)",
      "type": "quantitative"
    },
    "y": {
      "field": "elevation_(m)",
      "scale": {"domainMax": 1752.440918, "domainMin": 1748.265015},
      "title": "Elevation (m)",
      "type": "quantitative"
    }
  },
  "height": 100,
  "title": "Transect 31 Profile",
  "width": 650,
  "$schema": "https://vega.github.io/schema/vega-lite/v6.1.0.json",
  "datasets": {
    "data-c2c97218cb44d353a53139db41aabca1": [
      {"distance_(m)": 0, "elevation_(m)": 1751.395142},
      {"distance_(m)": 0.6, "elevation_(m)": 1751.394287},
      {"distance_(m)": 1.2, "elevation_(m)": 1751.419678},
      {"distance_(m)": 1.8, "elevation_(m)": 1751.419678},
      {"distance_(m)": 2.4, "elevation_(m)": 1751.430664},
      {"distance_(m)": 3, "elevation_(m)": 1751.440918},
      {"distance_(m)": 3.6, "elevation_(m)": 1751.310547},
      {"distance_(m)": 4.2, "elevation_(m)": 1750.997192},
      {"distance_(m)": 4.8, "elevation_(m)": 1750.261719},
      {"distance_(m)": 5.4, "elevation_(m)": 1749.985107},
      {"distance_(m)": 6, "elevation_(m)": 1749.927979},
      {"distance_(m)": 6.6, "elevation_(m)": 1749.817627},
      {"distance_(m)": 7.2, "elevation_(m)": 1749.728638},
      {"distance_(m)": 7.8, "elevation_(m)": 1749.606812},
      {"distance_(m)": 8.4, "elevation_(m)": 1749.539429},
      {"distance_(m)": 9, "elevation_(m)": 1749.410034},
      {"distance_(m)": 9.6, "elevation_(m)": 1749.329834},
      {"distance_(m)": 10.2, "elevation_(m)": 1749.302856},
      {"distance_(m)": 10.8, "elevation_(m)": 1749.275513},
      {"distance_(m)": 11.4, "elevation_(m)": 1749.265015},
      {"distance_(m)": 12, "elevation_(m)": 1749.305786},
      {"distance_(m)": 12.6, "elevation_(m)": 1749.346436},
      {"distance_(m)": 13.2, "elevation_(m)": 1749.356323},
      {"distance_(m)": 13.8, "elevation_(m)": 1749.383667},
      {"distance_(m)": 14.4, "elevation_(m)": 1749.785645},
      {"distance_(m)": 15, "elevation_(m)": 1751.05896},
      {"distance_(m)": 15.6, "elevation_(m)": 1751.142456},
      {"distance_(m)": 16.2, "elevation_(m)": 1751.162476},
      {"distance_(m)": 16.8, "elevation_(m)": 1751.16333},
      {"distance_(m)": 17.4, "elevation_(m)": 1751.25647},
      {"distance_(m)": 18, "elevation_(m)": 1751.349609},
      {"distance_(m)": 18.6, "elevation_(m)": 1751.342163},
      {"distance_(m)": 19.2, "elevation_(m)": 1751.385864},
      {"distance_(m)": 19.8, "elevation_(m)": 1751.393677}
    ]
  }
}

Vega editor displays chart correctly -

Image
  • Browser [ firefox]
  • both jupyter notebook and html
  • ipywidgets version: 8.1.8
  • ipyleaflet version: 0.20.0
  • folium version: 0.20.0
  • python version:3.12.1
  • altair version:6.0.0

Additional context
Add any other context about the problem here.

Possible solutions
List any solutions you may have come up with.

folium is maintained by volunteers. Can you help making a fix for this issue?

Activity

  1. aazeeem11 commented on Jan 12, 2026

    @aazeeem11
    Contributor

    Hi, I would like to work on this issue. I can reproduce the behavior and will look into the Vega-Lite version mismatch / schema handling.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions