polyline_text_path_example.py

# -*- coding: utf-8 -*-
import folium
from folium import plugins

m = folium.Map([30., 0.], zoom_start=3)
wind_locations = [[59.35560, -31.992190],
                  [55.178870, -42.89062],
                  [47.754100, -43.94531],
                  [38.272690, -37.96875],
                  [27.059130, -41.13281],
                  [16.299050, -36.56250],
                  [8.4071700, -30.23437],
                  [1.0546300, -22.50000],
                  [-8.754790, -18.28125],
                  [-21.61658, -20.03906],
                  [-31.35364, -24.25781],
                  [-39.90974, -30.93750],
                  [-43.83453, -41.13281],
                  [-47.75410, -49.92187],
                  [-50.95843, -54.14062],
                  [-55.97380, -56.60156]]

wind_line = folium.PolyLine(wind_locations,
                            weight=15,
                            color='#8EE9FF').add_to(m)
attr = {'fill': '#007DEF', 'font-weight': 'bold', 'font-size': '24'}
plugins.PolyLineTextPath(wind_line,
                         ") ",
                         repeat=True,
                         offset=7,
                         attributes=attr).add_to(m)

danger_line = folium.PolyLine([[-40.311, -31.952],
                               [-12.086, -18.727]],
                              weight=10,
                              color='orange',
                              opacity=0.8).add_to(m)
attr = {'fill': 'red'}
plugins.PolyLineTextPath(danger_line,
                         "\u25BA",
                         repeat=True,
                         offset=6,
                         attributes=attr).add_to(m)

plane_line = folium.PolyLine([[-49.38237, -37.26562],
                              [-1.75754, -14.41406],
                              [51.61802, -23.20312]],
                             weight=1, color='black').add_to(m)
attr = {'font-weight': 'bold', 'font-size': '24'}
plugins.PolyLineTextPath(plane_line,
                         "\u2708     ",
                         repeat=True,
                         offset=8,
                         attributes=attr).add_to(m)

line_to_new_delhi = folium.PolyLine([[46.67959447, 3.33984375],
                                     [46.5588603, 29.53125],
                                     [42.29356419, 51.328125],
                                     [35.74651226, 68.5546875],
                                     [28.65203063, 76.81640625]]).add_to(m)

line_to_hanoi = folium.PolyLine([[28.76765911, 77.60742188],
                                 [27.83907609, 88.72558594],
                                 [25.68113734, 97.3828125],
                                 [21.24842224, 105.77636719]]).add_to(m)

plugins.PolyLineTextPath(line_to_new_delhi,
                         "To New Delhi",
                         offset=-5).add_to(m)
plugins.PolyLineTextPath(line_to_hanoi, "To Hanoi", offset=-5).add_to(m)

m.save(outfile='polyline_text.html')