Panes and CustomPane

Panes are used to control the ordering of layers on the map. You can customise them using the CustomPane class.

For more info on the panes Leaflet has, see https://leafletjs.com/reference.html#map-pane.

First we’ll load geojson data to use in the examples:

import requests

geo_json_data = requests.get(
    "https://raw.githubusercontent.com/python-visualization/folium-example-data/main/us_states.json"
).json()

style_function = lambda x: {"fillOpacity": 0.8}

Map without custom pane

We’ll make an example to show how the GeoJson we add hides any labels underneath.

m = folium.Map([43, -100], zoom_start=4)

folium.GeoJson(geo_json_data, style_function=style_function).add_to(m)

m

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Map with custom pane

Now we’ll create a custom pane and add a tile layer that contains only labels. The labels will show on top off the geojson.

m = folium.Map([43, -100], zoom_start=4, tiles="cartodbpositronnolabels")

folium.GeoJson(geo_json_data, style_function=style_function).add_to(m)

folium.map.CustomPane("labels").add_to(m)

# Final layer associated to custom pane via the appropriate kwarg
folium.TileLayer("cartodbpositrononlylabels", pane="labels").add_to(m)

m

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