Toolkit 0 & 1 - #1

import folium
import geopandas as gpd

m = folium.Map(location=[block_groups["lat"].mean(), block_groups["lon"].mean()], zoom_start=8)

for _, row in block_groups.iterrows():
folium.GeoJson(
row.geometry,
style_function=lambda x: {
"color": "black",
"weight": 1,
"fillOpacity": 0,
}
).add_to(m)

for _, row in block_groups.iterrows():
folium.CircleMarker(
location=[row["lat"], row["lon"]],
radius=3,
color="red",
fill=True,
fill_color="red"
).add_to(m)

for _, row in block_groups.iterrows():
folium.Circle(
location=[row["lat"], row["lon"]],
radius=1000,
color="blue",
weight=1,
fill=False,
dash_array="5, 5"
).add_to(m)

m.save("block_groups_centroids_map.html")
print("Map saved to block_groups_centroids_map.html ✅")

Run the code above to see a visualization of the issue with hard-coding the radius to 1000 meters from each centroid for each block group.