New York Boroughs

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import geodatasets as gds
import geopandas as gpd
import geoviews as gv
import cartopy.crs as ccrs

gv.extension('matplotlib')
gv.output(dpi=120, fig='svg')

Define data

tiles = gv.tile_sources.OSM 

# Project data to Web Mercator
nybb = gpd.read_file(gds.get_path('nybb'))
poly_data = nybb.to_crs(ccrs.GOOGLE_MERCATOR.proj4_init)
polys = gv.Polygons(poly_data, vdims='BoroName', crs=ccrs.GOOGLE_MERCATOR)

Plot

tiles.opts(zoom=10) * polys.opts(color='BoroName', cmap='tab20', fig_size=200, padding=0.1)

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Download this notebook from GitHub (right-click to download).