world.json

world.json

import folium
import pandas

data = pandas.read_csv("Volcanoes.txt")

lat = list(data["LAT"])
lon = list(data["LON"])
elev = list(data["ELEV"])

def color_producer(elevation):
if elevation < 1000:
return 'green'
elif 1000 <= elevation < 3000:
return 'orange'
else:
return 'red'

map = folium.Map(location=[38.58, -99.09], zoom_start=6, tiles="openstreetmap")

fgv = folium.FeatureGroup(name='Volcanoes')

for lt, ln, el in zip(lat, lon, elev):
fgv.add_child(folium.CircleMarker(
location=[lt, ln],
radius=6,
popup=str(el)+" m",
fill_color=color_producer(el),
color='grey',
fill_opacity=0.7))

fgp = folium.FeatureGroup(name='Population')

fgp.add_child(folium.GeoJson(data=(open('world.json', 'r', encoding= 'utf-8-sig')),
style_function=lambda x: {'fillColor':'green' if x ['properties']['POP2005'] < 10000000 else 'orange' if 10000000 <= x['properties']['POP2005'] < 20000000 else 'red'}))

map.add_child(fgv)
map.add_child(fgp)
map.add_child(folium.LayerControl())

map.save("Map.html")