folium.VegaLite chart ignoring domainMin

[vonnonn]

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

{
  "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 -

• 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

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

[aazeeem11]

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.