Layer control

Control layer visibility using the built-in layer control

Uncomment the following line to install leafmap if needed.

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# %pip install "leafmap[maplibre]"

# %pip install "leafmap[maplibre]"

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import leafmap.maplibregl as leafmap

import leafmap.maplibregl as leafmap

To run this notebook, you will need an API key from MapTiler. Once you have the API key, you can uncomment the following code block and replace YOUR_API_KEY with your actual API key. Then, run the code block code to set the API key as an environment variable.

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# import os
# os.environ["MAPTILER_KEY"] = "YOUR_API_KEY"

# import os # os.environ["MAPTILER_KEY"] = "YOUR_API_KEY"

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m = leafmap.Map(
    center=[-122.19861, 46.21168], zoom=13, pitch=60, bearing=150, style="3d-terrain"
)
m.add_layer_control(bg_layers=True, position="top-left")
m

m = leafmap.Map( center=[-122.19861, 46.21168], zoom=13, pitch=60, bearing=150, style="3d-terrain" ) m.add_layer_control(bg_layers=True, position="top-left") m

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m = leafmap.Map(
    center=[-123.13, 49.254], zoom=11, style="dark-matter", pitch=45, bearing=0
)
url = "https://raw.githubusercontent.com/visgl/deck.gl-data/master/examples/geojson/vancouver-blocks.json"
paint_line = {
    "line-color": "white",
    "line-width": 2,
}
paint_fill = {
    "fill-extrusion-color": {
        "property": "valuePerSqm",
        "stops": [
            [0, "grey"],
            [1000, "yellow"],
            [5000, "orange"],
            [10000, "darkred"],
            [50000, "lightblue"],
        ],
    },
    "fill-extrusion-height": ["*", 10, ["sqrt", ["get", "valuePerSqm"]]],
    "fill-extrusion-opacity": 0.9,
}
m.add_geojson(url, layer_type="line", paint=paint_line, name="blocks-line")
m.add_geojson(url, layer_type="fill-extrusion", paint=paint_fill, name="blocks-fill")
m.add_layer_control(layer_ids=["blocks-line", "blocks-fill"])
m

m = leafmap.Map( center=[-123.13, 49.254], zoom=11, style="dark-matter", pitch=45, bearing=0 ) url = "https://raw.githubusercontent.com/visgl/deck.gl-data/master/examples/geojson/vancouver-blocks.json" paint_line = { "line-color": "white", "line-width": 2, } paint_fill = { "fill-extrusion-color": { "property": "valuePerSqm", "stops": [ [0, "grey"], [1000, "yellow"], [5000, "orange"], [10000, "darkred"], [50000, "lightblue"], ], }, "fill-extrusion-height": ["*", 10, ["sqrt", ["get", "valuePerSqm"]]], "fill-extrusion-opacity": 0.9, } m.add_geojson(url, layer_type="line", paint=paint_line, name="blocks-line") m.add_geojson(url, layer_type="fill-extrusion", paint=paint_fill, name="blocks-fill") m.add_layer_control(layer_ids=["blocks-line", "blocks-fill"]) m

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m.layer_interact()

m.layer_interact()

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m = leafmap.Map(center=[4.4562, 51.9066], zoom=14)
m.add_basemap("Esri.WorldImagery")
url = "https://storage.googleapis.com/ahp-research/overture/pmtiles/overture.pmtiles"

style = {
    "version": 8,
    "sources": {
        "example_source": {
            "type": "vector",
            "url": "pmtiles://" + url,
            "attribution": "PMTiles",
        }
    },
    "layers": [
        {
            "id": "buildings",
            "source": "example_source",
            "source-layer": "buildings",
            "type": "fill",
            "paint": {"fill-color": "#FFFFB3", "fill-opacity": 0.5},
        },
        {
            "id": "places",
            "source": "example_source",
            "source-layer": "places",
            "type": "fill",
            "paint": {"fill-color": "#BEBADA", "fill-opacity": 0.5},
        },
        {
            "id": "roads",
            "source": "example_source",
            "source-layer": "roads",
            "type": "line",
            "paint": {"line-color": "#FB8072"},
        },
    ],
}

m.add_pmtiles(
    url,
    style=style,
    visible=True,
    opacity=1.0,
    tooltip=True,
)
m.set_zoom(14)
m.add_layer_control()
m

m = leafmap.Map(center=[4.4562, 51.9066], zoom=14) m.add_basemap("Esri.WorldImagery") url = "https://storage.googleapis.com/ahp-research/overture/pmtiles/overture.pmtiles" style = { "version": 8, "sources": { "example_source": { "type": "vector", "url": "pmtiles://" + url, "attribution": "PMTiles", } }, "layers": [ { "id": "buildings", "source": "example_source", "source-layer": "buildings", "type": "fill", "paint": {"fill-color": "#FFFFB3", "fill-opacity": 0.5}, }, { "id": "places", "source": "example_source", "source-layer": "places", "type": "fill", "paint": {"fill-color": "#BEBADA", "fill-opacity": 0.5}, }, { "id": "roads", "source": "example_source", "source-layer": "roads", "type": "line", "paint": {"line-color": "#FB8072"}, }, ], } m.add_pmtiles( url, style=style, visible=True, opacity=1.0, tooltip=True, ) m.set_zoom(14) m.add_layer_control() m

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m.layer_interact()

m.layer_interact()