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from __future__ import print_function
from bokeh.util.browser import view
from bokeh.document import Document
from bokeh.embed import file_html
from bokeh.models.glyphs import Circle
from bokeh.models import (
GMapPlot, Range1d, ColumnDataSource, PanTool, WheelZoomTool, BoxSelectTool, GMapOptions,
LinearAxis, MercatorTickFormatter, MercatorTicker, Label)
from bokeh.resources import INLINE
x_range = Range1d()
y_range = Range1d()
# JSON style string taken from: https://snazzymaps.com/style/1/pale-dawn
map_options = GMapOptions(lat=30.2861, lng=-97.7394, map_type="roadmap", zoom=13, styles="""
[{"featureType":"administrative","elementType":"all","stylers":[{"visibility":"on"},{"lightness":33}]},{"featureType":"landscape","elementType":"all","stylers":[{"color":"#f2e5d4"}]},{"featureType":"poi.park","elementType":"geometry","stylers":[{"color":"#c5dac6"}]},{"featureType":"poi.park","elementType":"labels","stylers":[{"visibility":"on"},{"lightness":20}]},{"featureType":"road","elementType":"all","stylers":[{"lightness":20}]},{"featureType":"road.highway","elementType":"geometry","stylers":[{"color":"#c5c6c6"}]},{"featureType":"road.arterial","elementType":"geometry","stylers":[{"color":"#e4d7c6"}]},{"featureType":"road.local","elementType":"geometry","stylers":[{"color":"#fbfaf7"}]},{"featureType":"water","elementType":"all","stylers":[{"visibility":"on"},{"color":"#acbcc9"}]}]
""")
# Google Maps now requires an API key. You can find out how to get one here:
# https://developers.google.com/maps/documentation/javascript/get-api-key
API_KEY = "GOOGLE_API_KEY"
plot = GMapPlot(
x_range=x_range, y_range=y_range,
map_options=map_options,
api_key=API_KEY,
)
if plot.api_key == "GOOGLE_API_KEY":
plot.add_layout(Label(x=140, y=400, x_units='screen', y_units='screen',
text='Replace GOOGLE_API_KEY with your own key',
text_color='red'))
plot.title.text = "Austin"
source = ColumnDataSource(
data=dict(
lat=[30.2861, 30.2855, 30.2869],
lon=[-97.7394, -97.7390, -97.7405],
fill=['orange', 'blue', 'green']
)
)
circle = Circle(x="lon", y="lat", size=15, fill_color="fill", line_color="black")
plot.add_glyph(source, circle)
pan = PanTool()
wheel_zoom = WheelZoomTool()
box_select = BoxSelectTool()
plot.add_tools(pan, wheel_zoom, box_select)
xformatter = MercatorTickFormatter(dimension="lon")
xticker = MercatorTicker(dimension="lon")
xaxis = LinearAxis(formatter=xformatter, ticker=xticker)
plot.add_layout(xaxis, 'below')
yformatter = MercatorTickFormatter(dimension="lat")
yticker = MercatorTicker(dimension="lat")
yaxis = LinearAxis(formatter=yformatter, ticker=yticker)
plot.add_layout(yaxis, 'left')
doc = Document()
doc.add_root(plot)
if __name__ == "__main__":
doc.validate()
filename = "maps.html"
with open(filename, "w") as f:
f.write(file_html(doc, INLINE, "Google Maps Example"))
print("Wrote %s" % filename)
view(filename)