Preleminary demo of the pattern plugin for Folium

In [1]:

    

import folium
from folium import plugins


    

In [2]:

    

m = folium.Map([40., -105.], zoom_start=6)

url = 'https://raw.githubusercontent.com/python-visualization/folium/master/examples/data/us-states.json'
stripes = plugins.pattern.StripePattern(angle=-45)
stripes.add_to(m)

circles = plugins.pattern.CirclePattern(width=20, height=20, radius=5, fill_opacity=0.5, opacity=1)
circles.add_to(m)

def style_function(feature):
    default_style = {
        'opacity':1.0,
        'fillColor': '#ffff00',
        'color': 'black',
        'weight': 2
    }
        
    if feature['properties']['name']  == 'Colorado':
        default_style['fillPattern'] = stripes
        default_style['fillOpacity'] = 1.0
        
    if feature['properties']['name']  == 'Utah':
        default_style['fillPattern'] = circles
        default_style['fillOpacity'] = 1.0
        
    return default_style

# Adding remote GeoJSON as additional layer.
folium.GeoJson(url, smooth_factor=0.5, style_function=style_function).add_to(m)

m


    

    
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