# Plan de circulation d'après des données geojson
# Python 3.5.3 / pip 9.0.1 / geojson 2.5.0 / staticmap 0.5.5
# Debian 9.5 @ kirin / 20210531

import geojson
from staticmap import StaticMap, CircleMarker, Line

m = StaticMap(3390, 2362, url_template='http://a.tile.stamen.com/toner-lite/{z}/{x}/{y}.png')

with open("./quimper.geojson") as f:
    data = geojson.load(f)

points = {} # créer un dictionnaire contenant les points

for feature in data['features']:
    nom = feature['properties']['name']
    lon = feature['geometry']['coordinates'][0]
    lat = feature['geometry']['coordinates'][1]
    points[nom] = [lon, lat] # placer le point dans le dictionnaire

# Les chemins relient les points
chemins =   [
                [1, 2],
                [2, 3],
                [3, 4],
                [4, 5],
                [5, 6],
                [6, 7]
            ]
# Tracer les contours de marqueurs et de chemins
for key, value in points.items():
    marker_outline = CircleMarker((value[0], value[1]), 'white', 42)
    m.add_marker(marker_outline)
    for chemin in chemins:
        if chemin[0] == int(key) or chemin[1] == int(key):
            point1 = str(chemin[0])
            point2 = str(chemin[1])
            coordinates = [points[point1], points[point2]]
            line_outline = Line(coordinates, 'white', 24)
            m.add_line(line_outline)

# Tracer les chemins
for key, value in points.items():
    for chemin in chemins:
        if chemin[0] == int(key) or chemin[1] == int(key):
            point1 = str(chemin[0])
            point2 = str(chemin[1])
            coordinates = [points[point1], points[point2]]
            line = Line(coordinates, '#0036FF', 12)
            m.add_line(line)

# Tracer les marqueurs
for key, value in points.items():
    marker = CircleMarker((value[0], value[1]), '#0036FF', 24)
    m.add_marker(marker)

image = m.render(zoom=16)
image.save('fond_de_carte_quimper.png')