1""" 2US Income by State: Wrapped Facet 3--------------------------------- 4This example shows how to create a map of income in the US by state, 5faceted over income brackets 6""" 7# category: maps 8 9import altair as alt 10from vega_datasets import data 11 12states = alt.topo_feature(data.us_10m.url, 'states') 13source = data.income.url 14 15alt.Chart(source).mark_geoshape().encode( 16 shape='geo:G', 17 color='pct:Q', 18 tooltip=['name:N', 'pct:Q'], 19 facet=alt.Facet('group:N', columns=2), 20).transform_lookup( 21 lookup='id', 22 from_=alt.LookupData(data=states, key='id'), 23 as_='geo' 24).properties( 25 width=300, 26 height=175, 27).project( 28 type='albersUsa' 29)