h3_hexagon_to_shapely_geodataframe.py

# tested using https://github.com/uber/h3-py-notebooks/blob/master/notebooks/usage.ipynb

from h3 import h3
from shapely.geometry.polygon import Polygon

h3_list = [ Polygon(h3.h3_to_geo_boundary(he)) for he in h3.hex_ring(h,2)]
n = len(h3_list)

print(f'Polygon.exterior.is_closed = {h3_list[0].exterior.is_closed}')
import geopandas as gpd
gdf=gpd.GeoDataFrame(columns=['value'],data=range(len(h3_list)),geometry=h3_list)

import matplotlib.cm as cm
gdf['color_rgba'] = gdf.apply(lambda row: cm.Spectral(row['value']/n), axis=1)

gdf.plot(color=gdf['color_rgba'])