3. Minimal Lonboard Static Export Test

One Map, one ScatterplotLayer, five points around San Francisco. Used to validate that the static-export plugin can preserve binary Parquet buffers and resolve IPY_MODEL_* sub-model references.

import geopandas as gpd
from shapely.geometry import Point
from lonboard import Map, ScatterplotLayer

points = [
    Point(-122.4194, 37.7749),
    Point(-122.4313, 37.7849),
    Point(-122.4094, 37.7649),
    Point(-122.4214, 37.7949),
    Point(-122.4394, 37.7549),
]
gdf = gpd.GeoDataFrame({'geometry': points}, crs='EPSG:4326')

layer = ScatterplotLayer.from_geopandas(
    gdf,
    get_radius=300,
    get_fill_color=[255, 0, 0, 200],
)

m = Map(
    layers=[layer],
    view_state={
        'longitude': -122.4194,
        'latitude': 37.7749,
        'zoom': 12,
        'pitch': 0,
        'bearing': 0,
    },
    height=400,
)
m