ColumnLayer Example¶

This is a quick example notebook to show how to use the ColumnLayer.

This is derived from @cboettig's example in this issue.

Dependencies¶

pip install lonboard geopandas pyarrow

Imports¶

In [ ]:

import geopandas as gpd
from lonboard import Map, ColumnLayer

In [ ]:

DATA_URL = 'https://data.source.coop/cboettig/conservation-policy/Inflation_Reduction_Act_Projects.geojson'

In [ ]:

df = gpd.read_file(DATA_URL, use_arrow=True)

In [ ]:

layer = ColumnLayer.from_geopandas(
    df, 
    get_elevation=df["FUNDING_NUMERIC"], 
    get_fill_color = [255, 255, 0, 140],
    elevation_scale=.01,
    radius=10000,
    pickable=True,
    auto_highlight=True,
)

In [ ]:

m = Map(
    layer,
    view_state={"longitude": -100, "latitude": 35, "zoom": 4, "pitch": 45, "bearing": 0},
)
m