from ipyleaflet import (
Map,
Marker,
TileLayer, ImageOverlay,
Polyline, Polygon, Rectangle, Circle, CircleMarker,
GeoJSON,
DrawControl
)
center = [34.6252978589571, -77.34580993652344]
zoom = 10
m = Map(center=center, zoom=zoom)
m
import matplotlib as mpl
import matplotlib.cm
import matplotlib.colors
import numpy as np
def n_colors(n, colormap=mpl.cm.Blues):
data = np.linspace(0.0,1.0,n)
c = [mpl.colors.rgb2hex(d[0:3]) for d in colormap(data)]
return c
def data_to_colors(data, colormap=mpl.cm.Blues):
c = [mpl.colors.rgb2hex(d[0:3]) for d in colormap(mpl.colors.Normalize()(data))]
return c
import json
with open('demo.json') as f:
data = json.load(f)
n_features = len(data['features'])
colors = n_colors(n_features)
print(n_features)
colors
for feature, color in zip(data['features'], colors):
feature['properties']['style'] = {'color':color, 'weight': 1, 'fillColor':color, 'fillOpacity':0.5}
data['features'][0]
g = GeoJSON(data=data)
m.add_layer(g)
# m.remove_layer(g)
# g.close()