def draw_map(lat_longs):
center = [37.79481, -122.41186]
zoom = 12
m = Map(center=center, zoom=zoom, basemap=basemaps.Hydda.Full)
m.layout.height = '650px'
pl = Polyline(locations=lat_longs)
pl.color = path_color.value
pl.fill_color = path_color.value
m.add_layer(pl)
return m
def plot(self, mask=None, segment_ids=None, zoom=12):
"""Plot ride segments on map in Jupyter Notebook
:params mask: list of booleans to select which segments of the ride
to map
:params segment_ids: index or list of segment ids to select which
segments of the ride to map
:params zoom: initial zoom level
"""
if mask and segment_ids:
raise Exception('Pass either a mask or a list of ids, not both')
segments = self.segments
if mask:
segments = [sgm for i, sgm in enumerate(segments) if mask[i]]
elif segment_ids:
if not isinstance(segment_ids, list):
segment_ids = [segment_ids]
segments = [sgm for sgm in segments if sgm['id'] in segment_ids]
lats_start = [sgm['lat_start'] for sgm in segments]
lons_start = [sgm['lon_start'] for sgm in segments]
lats_end = [sgm['lat_end'] for sgm in segments]
lons_end = [sgm['lon_end'] for sgm in segments]
median_lat = np.median(lats_start + lats_end)
median_lon = np.median(lons_start + lons_end)
map = Map(center=(median_lat, median_lon), zoom=zoom)
if mask or segment_ids:
for sgm in segments:
position_start = (sgm['lat_start'], sgm['lon_start'])
position_end = (sgm['lat_end'], sgm['lon_end'])
poly_line = Polyline(
locations=(position_start, position_end),
color="red",
fill=False,
weight=3
)
map.add_layer(poly_line)
else:
positions = [
(sgm['lat_start'], sgm['lon_start'])
for sgm in segments
]
positions.append((segments[-1]['lat_end'], segments[-1]['lon_end']))
poly_line = Polyline(
locations=positions,
color="red",
fill=False,
weight=3
)
map.add_layer(poly_line)
return map
def as_polyline(self, start=None, end=None, **kwargs):
# filter points by start and end time
points = [
p.lat_lon for p in self.points
if (start is None or p.time >= start) and (
end is None or p.time <= end)
]
lines = []
# reversed so as not to interrupt the iteration when we reassign points
for i in reversed(range(1, len(points))):
lat_1, lon_1 = points[i]
lat_2, lon_2 = points[i - 1]
# if this pair of points crosses the antimeridian, break the track
# into two tracks, one on each side of the globe, with an artificial
# point added (m, the middle point) at the antimeridian
if abs(lon_1 - lon_2) > 180:
if lon_1 > 0:
lon_2 += 360.
lon_m = 180.
else:
lon_2 -= 360.
lon_m = -180.
f = (lon_m - lon_1) / (lon_2 - lon_1)
lat_m = lat_1 + f * (lat_2 - lat_1)
lines.append([[lat_m, lon_m]] + points[i:])
points = points[0:i] + [[lat_m, -lon_m]]
lines.append(points)
return Polyline(locations=list(reversed(lines)), **kwargs)
def Prod_Polyline(df, G):
"""
Identique à Prod_Ant_Path, les polylines sont plus légère à l'affichage.
"""
max_ant = list(G.edges.data('freq'))[0][2]
pal = sns.color_palette('rainbow', max_ant + 1)
line = {}
for indice in list(G.edges.data('freq')):
x = indice[0]
ori = [df.loc[indice[0]].latitude, df.loc[indice[0]].longitude]
des = [df.loc[indice[1]].latitude, df.loc[indice[1]].longitude]
line[indice] = Polyline(
locations=[ori, des],
color=pal.as_hex()[x % (max_ant + 1)] #Couleur
,
fill=False,
stroke=True #Bordure
,
opacity=1.0,
weight=2 #largeur en pixel
#,fill_color = None #couleur du remplissage
#,fill_opacity = 0.2 #opacité du remplissage
#,dash_array = None
#,line_cap = 'round'
#,line_join = 'round'
#,name=''
)
return line
def add_route_to_map(route, some_map, color='blue'):
"""
Add a route from the HERE REST API to the given map.
This includes markers for all points where a maneuver is needed, like 'turn left'.
And it includes a path with lat/lons from start to end and little circle markers
around them.
"""
path_positions = list(chunks(route[0]['shape'], 2))
maneuvers = {(man['position']['latitude'], man['position']['longitude']):
man['instruction']
for man in route[0]['leg'][0]['maneuver']}
polyline = Polyline(locations=path_positions, color=color, fill=False)
some_map += polyline
for lat, lon in path_positions:
if (lat, lon) in maneuvers:
some_map += CircleMarker(location=(lat, lon), radius=2)
marker = Marker(location=(lat, lon), draggable=False)
message1 = HTML()
message1.value = maneuvers[(lat, lon)]
marker.popup = message1
some_map += marker
else:
some_map += CircleMarker(location=(lat, lon), radius=3)
def flightplan_leaflet(
flightplan: "FlightPlan", **kwargs
) -> Optional[Polyline]:
"""Returns a Leaflet layer to be directly added to a Map.
.. warning::
This is only available if the Leaflet `plugin <plugins.html>`_ is
activated. (true by default)
The elements passed as kwargs as passed as is to the PolyLine constructor.
"""
shape = flightplan.shape
if shape is None:
return None
coords: Iterable = list()
if isinstance(shape, LineString):
coords = list((lat, lon) for (lon, lat, *_) in shape.coords)
else:
# In case a FlightPlan could not resolve all parts
coords = list(
list((lat, lon) for (lon, lat, *_) in s.coords) for s in shape
)
kwargs = {**dict(fill_opacity=0, weight=3), **kwargs}
return Polyline(locations=coords, **kwargs)
def flight_leaflet(flight: "Flight", **kwargs) -> Optional[Polyline]:
"""Returns a Leaflet layer to be directly added to a Map.
.. warning::
This is only available if the Leaflet `plugin <plugins.html>`_ is
activated. (true by default)
The elements passed as kwargs as passed as is to the PolyLine constructor.
Example usage:
>>> from ipyleaflet import Map
>>> # Center the map near the landing airport
>>> m = Map(center=flight.at().latlon, zoom=7)
>>> m.add_layer(flight) # this works as well with default options
>>> m.add_layer(flight.leaflet(color='red'))
>>> m
"""
shape = flight.shape
if shape is None:
return None
kwargs = {**dict(fill_opacity=0, weight=3), **kwargs}
return Polyline(locations=list(
(lat, lon) for (lon, lat, _) in shape.coords),
**kwargs)
def visualize_sequence_on_map(self, sequence: list):
"""
Visualizes the resulting sequence of cities on a open source map.
:param sequence: list [int]
:return:
"""
self.sequence = sequence
# Get Marker positions and create map with markers:
markers = self._create_markers(sequence)
m = Map(center=markers[0].location, zoom=7, scroll_wheel_zoom=True)
marker_cluster = MarkerCluster(markers=markers)
m.add_layer(marker_cluster)
# Create line between cities:
line = Polyline(locations=[x.location for x in markers],
color="red",
fill=False)
m.add_layer(line)
m.layout.width = '100vw'
m.layout.height = '100vh'
# Save file and show in webbrowser:
fname = "utils/tmp/map.html"
realpath = os.path.realpath(fname)
m.save(fname)
# webbrowser.open_new_tab(fname)
webbrowser.open_new_tab("file://" + realpath)
print(
"...Opening interactive streetmap in browser. If browser does not show the map correctly, try opening "
"the saved HTML-file ({n}) manually.".format(n=realpath))
def __get_polyline(self, locations, color='green'):
locations_np = np.array(locations.filter(['latitude', 'longitude']))
center = locations_np.mean(axis=0)
route = Polyline(locations=locations_np.tolist(),
color=color,
fill=False)
return route, center
def flight_leaflet(flight: Flight, **kwargs) -> Optional[Polyline]:
shape = flight.shape
if shape is None:
return None
kwargs = {**dict(fill_opacity=0, weight=3), **kwargs}
return Polyline(locations=list(
(lat, lon) for (lon, lat, _) in shape.coords),
**kwargs)
def createLeafletPolyline(m, MapGliderLocation, color='green'):
lines = Polyline(locations=MapGliderLocation,
color=color,
weight=2,
stroke=True,
opacity=1,
line_cap='butt',
fill=False)
m.add_layer(lines)
return m
def plot_rides(rides, how='direction', zoom=10, palette=None):
"""Plot list of rides on map
:params rides: list of BikeRide objects
:params how: if 'direction' plot line from start to median position; if
'ride' plot entire ride
:params zoom: initial zoom level
:params palette: colours to use if plotting rides
"""
if not palette:
palette = PALETTE
median_lat = np.median([ride.median_position[0] for ride in rides])
median_lon = np.median([ride.median_position[1] for ride in rides])
m = Map(center=(median_lat, median_lon), zoom=zoom)
if how == 'direction':
summaries = pd.DataFrame([
ride.summary for ride in rides
if not isinstance(ride.summary, str)
])
positions_start = zip(summaries.lat_start, summaries.lon_start)
median_positions = [ride.median_position for ride in rides]
for pos_start, median_pos in zip(positions_start, median_positions):
poly_line = Polyline(locations=(pos_start, median_pos),
color="red",
fill=False,
weight=1)
m.add_layer(poly_line)
elif how == 'ride':
for i, ride in enumerate(rides):
colour = palette[i % len(palette)]
locations = [(rec['lat'], rec['lon']) for rec in ride.records]
poly_line = Polyline(locations=locations,
color=colour,
fill=False,
weight=3)
m.add_layer(poly_line)
return m
def flight_map(self, center=None, basemap=None, zoom=8):
"""Display interactive map of the flight path. (Jupyter notebook only.)
Parameters
----------
center: tuple, optional
(latitude, longitude) center of the map. The default is the average
of the flight's lat/lon bounding box.
basemap: str, or list or tuple of str, optional
Name of the base map available in ipyleaflet. Default:
``('Esri.WorldImagery', 'OpenTopoMap')``.
zoom: int, optional
Map zoom level. Default is 8.
"""
if not display_map:
raise RuntimeError('Cannot display map')
if basemap is None:
basemap = ('Esri.WorldImagery', 'OpenTopoMap')
elif isinstance(basemap, str):
basemap = (basemap, )
elif not isinstance(basemap, (list, tuple)):
raise TypeError('basemap is not a str, list, or tuple')
base_layers = list()
for layer in basemap:
name_parts = layer.split('.')
base_layer = basemaps
for p in name_parts:
base_layer = base_layer[p]
if not isinstance(base_layer, dict):
raise TypeError('base layer not a dict')
base_layers.append(basemap_to_tiles(base_layer))
data = self._flight
flight_lat = data['latitude']
flight_lon = data['longitude']
if center is None:
center = (flight_lat.mean(), flight_lon.mean())
flight_path = Polyline(
locations=[np.column_stack((flight_lat, flight_lon)).tolist()],
color='blue',
fill=False,
name='Flight path')
flight_map = Map(center=center, zoom=int(zoom))
for _ in base_layers:
flight_map.add_layer(_)
flight_map.add_layer(flight_path)
flight_map.add_control(FullScreenControl())
flight_map.add_control(LayersControl())
display(flight_map)
def get_map_for_linestrings(linestrings, zoom=14):
bounds = get_bounds_for_linestrings(linestrings)
center_lat = (bounds["min_lat"] + bounds["max_lat"]) / 2
center_lon = (bounds["min_lon"] + bounds["max_lon"]) / 2
center = [center_lat, center_lon]
m = Map(center=center, zoom=zoom)
max_len = 0
for linestring in linestrings:
max_len = max(max_len, len(linestring))
for linestring in linestrings:
# intensity = 1 - len(linestring) / max_len
# color = "#" + ("{:02x}".format(round(intensity * 255)) * 3)
p = Polyline(locations=[point.latlon for point in linestring],
fill=False)
m += p
return m
def __call__(self, meters=1000):
if meters not in self.cache:
print('loading', meters)
url = self.url.format(meters=meters)
obj = requests.get(url).json()
self.cache[meters] = obj
obj = self.cache[meters]
isoline = obj['response']['isoline'][0]
shape = isoline['component'][0]['shape']
path = [tuple(map(float, pos.split(','))) for pos in shape]
if self.isoline:
self.the_map -= self.isoline
self.isoline = Polyline(locations=path,
color='red',
weight=2,
fill=True)
self.the_map += self.isoline
def Get_line(df, pal, color):
line = {}
for i in range(df.shape[0] - 1):
ori = (df.iloc[i].lat, df.iloc[i].lng)
des = (df.iloc[i + 1].lat, df.iloc[i + 1].lng)
line[i] = Polyline(
locations=[ori, des],
color=pal.as_hex()[color] #Couleur
,
fill=False,
stroke=True #Bordure
,
opacity=1.0,
weight=1 #largeur en pixel
#,fill_color = None #couleur du remplissage
#,fill_opacity = 0.2 #opacité du remplissage
#,dash_array = None
#,line_cap = 'round'
#,line_join = 'round'
#,name=''
)
return line
def visualize():
center = location_latlongs[1]
m = Map(center=center, zoom=8)
icon1 = Icon(
icon_url='https://img.icons8.com/ultraviolet/40/000000/map-pin.png',
icon_size=[40, 40],
icon_anchor=[20, 40])
icon2 = Icon(
icon_url='https://img.icons8.com/officel/40/000000/map-pin.png',
icon_size=[40, 40],
icon_anchor=[20, 40])
icon3 = Icon(
icon_url=
'http://icons.iconarchive.com/icons/custom-icon-design/flatastic-6/256/Circle-icon.png',
icon_size=[10, 10],
icon_anchor=[5, 5],
shadow_size=[5, 5])
line = Polyline(locations=[[
path_latlongs,
]],
color="#669df6",
fill=False,
weight=2,
stroke=True)
m.add_layer(line)
style = {'text-align': 'left', 'description_width': '150px'}
i = 0
while i < len(location_latlongs):
if i == 0:
message = HTML()
message.placeholder = "Source"
message.description = "Source" + "<br>Node ID: " + location_latlongs[
i][2] + "<br>Lat: " + str(
location_latlongs[i][1]) + "<br>Long: " + str(
location_latlongs[i][0])
message.style = style
marker = Marker(location=location_latlongs[i],
draggable=False,
title="Source",
icon=icon1,
rise_on_hover=True,
z_index_offset=100)
m.add_layer(marker)
marker.popup = message
elif (len(location_latlongs) - i) == 1:
message = HTML()
message.placeholder = "Destination"
message.description = "Destination" + "<br>Node ID: " + location_latlongs[
i][2] + "<br>Lat: " + str(
location_latlongs[i][1]) + "<br>Long: " + str(
location_latlongs[i][0])
message.style = style
marker = Marker(location=location_latlongs[i],
draggable=False,
title="Destination",
icon=icon2,
rise_on_hover=True)
m.add_layer(marker)
marker.popup = message
else:
message = HTML()
message.placeholder = "Waypoint"
message.description = "Waypoint: " + str(
i) + "" + "<br>Node ID: " + location_latlongs[i][
2] + "<br>Lat: " + str(
location_latlongs[i][1]) + "<br>Long: " + str(
location_latlongs[i][0])
message.style = style
marker = Marker(location=location_latlongs[i],
draggable=False,
icon=icon3,
title="Waypoint",
rise_on_hover=True)
m.add_layer(marker)
marker.popup = message
i += 1
return (m)
def travel_time(self, dhdx, n, b, xw=0, yw=0, bnds=None):
'''
t : float
time [days]
dhdx : float
hydraulic gradient [m/m]
Q : float
extraction rate [m^3/s]
n : float
porosity [-]
b : float
aquifer thickness [m]
theta : float
angle between x axis and dominant flow direction
xw : float
x location of well
yw : float
y location of well
'''
T = 0.05
# get parameters
Q = self.widgets['Q'].value / 1.e3
t = self.widgets['t'].value
theta = (270 - self.widgets['th'].value) / 180. * 3.1416
dhdx = self.widgets['q'].value / 1.e3
q = dhdx * T / b
# compute contour
if Q < 1.e-5:
# special case, zero pumping
xout = np.array([xw])
yout = np.array([yw])
else:
# compute dimensionless solution
t *= 24 * 3600 # convert days to seconds
t0 = 2. * np.pi * q**2 / (b * n * Q) * t
x0, y0 = travel_time_dimensionless(t0)
x = Q * x0 / (2 * np.pi * q)
y = Q * y0 / (2 * np.pi * q)
x, y = np.concatenate([x, x[::-1]]), np.concatenate([y, -y[::-1]])
x, y = (np.cos(theta) * x - np.sin(theta) * y,
np.sin(theta) * x + np.cos(theta) * y)
xout = x + xw
yout = y + yw
# add or update travel time contour
lat, lon = xy2ll(xout, yout, *self.wells[0].location)
try:
self.tt_line.locations = list(zip(lat, lon))
except AttributeError:
self.tt_line = Polyline(locations=list(zip(lat, lon)),
color='red',
fill=False,
weight=2)
self.add_layer(self.tt_line)
# add or update piezometric surface
if bnds is None:
bnds = self.bounds
if len(bnds) == 0:
bnds = ((-43.53118921794094, 172.62774467468262),
(-43.506293197337435, 172.70936965942383))
ps, ts = self.TheisContours(T, [Q],
bnds, [dhdx, theta],
levels=np.arange(-10, 20, 1))
try:
self.update_contours(ps, ts)
except AttributeError:
self.ps0 = ps
for polygons in self.ps0:
self.add_layer(polygons)
type_line= "Ant" # type de ligne pour la trajectoire (toute autre avaleur que "Ant" produit une "PolyLine")
if type_line == "Ant":
line= AntPath(
locations= l,
dash_array=[1, 10],
delay=2000,
color='red',
pulse_color='black'
)
else:
line = Polyline(
locations=l,
color="red" ,
fill=False, weight=3
)
m.add_control(FullScreenControl())
m.add_layer(line)
# ### Quelques calculs: ###
#
# - Les distances entre les points successifs. C'est un service fourni par geopy (géodésiques sur l'ellipsoïde terrestre).
# - La distance globale porcourue.
# - Un "marker" tous les "delta" mêtres.
delta=1000. # 1 km.
def layer(self):
return Polyline(locations=self.coordinates, color="orange", fill=False)