In [1]:
import os
import folium
print(folium.__version__)
In [2]:
import pandas
import ast
data = pandas.read_csv(
'data' + os.path.sep + 'consonants_vowels.csv',
# To ensure that tuples are read as tuples
converters={'coordinates': ast.literal_eval}
)
data.head()
Out[2]:
In [3]:
import matplotlib.pyplot as plt
import io
pie_charts_data = zip(data.consonants, data.vowels)
fig = plt.figure(figsize=(0.5, 0.5))
fig.patch.set_alpha(0)
ax = fig.add_subplot(111)
plots = []
for sizes in pie_charts_data:
ax.pie(sizes, colors=('#e6194b', '#19e6b4'))
buff = io.StringIO()
plt.savefig(buff, format='SVG')
buff.seek(0)
svg = buff.read()
svg = svg.replace('\n', '')
plots.append(svg)
plt.cla()
plt.clf()
plt.close()
In [4]:
import branca
legend_html = '''
{% macro html(this, kwargs) %}
<div style="
position: fixed;
bottom: 50px;
left: 50px;
width: 250px;
height: 80px;
z-index:9999;
font-size:14px;
">
<p><a style="color:#e6194b;font-size:150%;margin-left:20px;">◼</a> Consonants</p>
<p><a style="color:#19e6b4;font-size:150%;margin-left:20px;">◼</a> Vowels</p>
</div>
<div style="
position: fixed;
bottom: 50px;
left: 50px;
width: 150px;
height: 80px;
z-index:9998;
font-size:14px;
background-color: #ffffff;
filter: blur(8px);
-webkit-filter: blur(8px);
opacity: 0.7;
">
</div>
{% endmacro %}
'''
legend = branca.element.MacroElement()
legend._template = branca.element.Template(legend_html)
In [5]:
m = folium.Map(location=(0,0), zoom_start=2)
for i, coord in enumerate(data.coordinates):
marker = folium.Marker(coord)
icon = folium.DivIcon(html=plots[i])
marker.add_child(icon)
popup = folium.Popup(
'Consonants: {}<br>\nVowels: {}'.format(data.consonants[i], data.vowels[i])
)
marker.add_child(popup)
m.add_child(marker)
m.get_root().add_child(legend)
m
Out[5]: