py-staticmaps 0.2.0

Create static map images (SVG, PNG) with markers, geodesic lines, ...

py-staticmaps

A python module to create static map images (PNG, SVG) with markers, geodesic lines, etc.

Features

• Map objects: pin-style markers, polylines, polygons
• Automatic computation of best center + zoom from the added map objects
• Several pre-configured map tile providers
• Proper attributions display
• On disc caching of map tile images for faster drawing and reduced load on the tle servers
• Anti-aliased drawing via pycairo
• SVG creating via svgwrite

Installation

pip install py-staticmaps

py-staticmaps uses pycairo for creating antialiased raster-graphics, so make sure libcairo2 is installed on your system (on Ubuntu just install the libcairo2-dev package, i.e. sudo apt install ibcairo2-dev).

Examples

Markers and Geodesic Lines

import staticmaps

context = staticmaps.Context()
context.set_tile_provider(staticmaps.tile_provider_StamenToner)

frankfurt = staticmaps.create_latlng(50.110644, 8.682092)
newyork = staticmaps.create_latlng(40.712728, -74.006015)

context.add_object(staticmaps.Line([frankfurt, newyork], color=staticmaps.BLUE, width=4))
context.add_object(staticmaps.Marker(frankfurt, color=staticmaps.GREEN, size=12))
context.add_object(staticmaps.Marker(newyork, color=staticmaps.RED, size=12))

# render png
image = context.render_cairo(800, 500)
image.write_to_png("frankfurt_newyork.png")

# render svg
svg_image = context.render_svg(800, 500)
with open("frankfurt_newyork.svg", "w", encoding="utf-8") as f:
    svg_image.write(f, pretty=True)

Transparent Polygons

import staticmaps

context = staticmaps.Context()
context.set_tile_provider(staticmaps.tile_provider_OSM)

freiburg_polygon = [
    (47.96881, 7.79045),
    (47.96866, 7.78610),
    (47.97134, 7.77874),
    ...
]

context.add_object(
    staticmaps.Area(
        [staticmaps.create_latlng(lat, lng) for lat, lng in freiburg_polygon],
        fill_color=staticmaps.parse_color("#00FF003F"),
        width=2,
        color=staticmaps.BLUE,
    )
)

# render png
image = context.render_cairo(800, 500)
image.write_to_png("freiburg_area.png")

# render svg
svg_image = context.render_svg(800, 500)
with open("freiburg_area.svg", "w", encoding="utf-8") as f:
    svg_image.write(f, pretty=True)

Drawing a GPX Track

import sys

import gpxpy
import staticmaps

context = staticmaps.Context()
context.set_tile_provider(staticmaps.tile_provider_ArcGISWorldImagery)

with open(sys.argv[1], "r") as file:
    gpx = gpxpy.parse(file)

for track in gpx.tracks:
    for segment in track.segments:
        line = [staticmaps.create_latlng(p.latitude, p.longitude) for p in segment.points]
        context.add_object(staticmaps.Line(line))

image = context.render_cairo(800, 500)
image.write_to_png("draw_gpx.png")

US State Capitals

import json
import requests
import staticmaps

context = staticmaps.Context()
context.set_tile_provider(staticmaps.tile_provider_OSM)

URL = (
    "https://gist.githubusercontent.com/jpriebe/d62a45e29f24e843c974/"
    "raw/b1d3066d245e742018bce56e41788ac7afa60e29/us_state_capitals.json"
)
response = requests.get(URL)
for _, data in json.loads(response.text).items():
    capital = staticmaps.create_latlng(float(data["lat"]), float(data["long"]))
    context.add_object(staticmaps.Marker(capital, size=5))

image = context.render_cairo(800, 500)
image.write_to_png("us_capitals.png")

Other Examples

Please take a look at the command line program which uses the staticmaps package: staticmaps/cli.py

Dependencies

py-staticmaps uses

• pycairo for rendering antialiased raster-graphics
• svgwrite for writing SVG files
• s2sphere for geo coordinates handling
• geographiclib for geodesic computations
• appdirs for finding the user's default cache directory
• requests for downloading tile files

License

MIT © 2020 Florian Pigorsch