def value_map(pollutant):
"""
Returns a map with mesures values and their location for each instant
Args:
pollutant (string): name of the pollutant to display
Returns:
Map: folium map with time mesures
"""
folium_map = folium.Map(location=[46, 2.291705], zoom_start=7)
client = DBClient("database")
ordered_mesures = client.get_mesures_by_time(pollutant)
global_max = get_global_max(ordered_mesures)
encoder = JSONEncoder(global_max)
features = []
for time in ordered_mesures:
features += [
encoder.encode_as_geoJSON(mesure)
for mesure in ordered_mesures[time]
]
tsjson = TimestampedGeoJson(
{
'type': 'FeatureCollection',
'features': features
},
period='PT1H',
add_last_point=True,
auto_play=False,
loop=False,
max_speed=1,
loop_button=True,
time_slider_drag_update=True)
tsjson.options["position"] = "topright"
tsjson.add_to(folium_map)
encoder.cm.caption = f"{pollutant} concentration in ug.m-3"
folium_map.add_children(encoder.cm)
return folium_map
def make_map(features):
coords = [44.981041, -93.232149]
this_map = folium.Map(location=coords, control_scale=True, zoom_start=10)
folium.TileLayer('cartodbpositron').add_to(this_map)
temp = TimestampedGeoJson(
{
'type': 'FeatureCollection',
'features': features
},
period='P1D',
add_last_point=True,
auto_play=True,
loop=True,
max_speed=.7,
loop_button=True,
date_options='YYYY/MM',
time_slider_drag_update=True)
temp.add_to(this_map)
return this_map
poly_line = TimestampedGeoJson(data={
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"geometry": {
"type": "LineString",
"coordinates": coordinates,
},
"properties": {
"times": time,
"style": {
"color": "red",
"weight": 2
}
}
}
]
}, period="PT1M")
poly_line.add_to(map)
# Create a tool to measure distance and area
tool_measure = MeasureControl()
tool_measure.add_to(map)
# Create tool to draw something
tool_draw = Draw()
tool_draw.add_to(map)
map.save("Munich_with_points_and_lines_.html")
51, 50, 31, 32, 4, 38, 30, 26, 13, 49, 40, 6, 29, 20, 10, 41, 3, 58, 7
]
routes_gj = get_routes_geojson(bus_ids)
grid_gj = get_grid_geojson(bus_ids, ('weekday', '00:00', '23:59'),
stations_source='here')
m = folium.Map(location=[55.6795535, 12.542231],
zoom_start=13,
tiles='OpenStreetMap')
routes = folium.GeoJson(routes_gj,
name='routes',
style_function=lambda feature: {'color': 'blue'})
grid = TimestampedGeoJson(grid_gj,
period='PT1H',
duration='PT1M',
date_options='HH:mm',
auto_play=False,
max_speed=1,
loop=False,
time_slider_drag_update=True,
loop_button=True)
routes.add_to(m)
grid.add_to(m)
folium.features.GeoJsonTooltip(fields=['bus_id', 'name'],
aliases=['id', 'bus']).add_to(routes)
folium.LayerControl().add_to(m)
print(m)