def _create_control(self, parent):
control = QMapWidget()
# control.setMaximumSize(200,200)
lat_min = 34.052999
lon_min = -106.924551
lat_max = 34.076752
lon_max = -106.885971
#
# lat_min = 34.052999
# lon_min = -106.81
# lat_max = 34.08
# lon_max = -106.83
rect = (lat_min, lon_min, lat_max, lon_max)
server = 'https://tiles.wmflabs.org/bw-mapnik/{z}/{x}/{y}.png'
server = 'http://c.tile.stamen.com/watercolor/{z}/{x}/{y}.png'
# server = 'https://c.tiles.wmflabs.org/hillshading/{z}/{x}{y}.png'
# server = 'https://mt1.google.com/vt/lyrs=y&x={x}&y={y}&z={z}' # satelite
# server = 'https://mt1.google.com/vt/lyrs=t&x={x}&y={y}&z={z}' # terrain
# server = 'https://mt1.google.com/vt/lyrs=r&x={x}&y={y}&z={z}' # maps
smopy.TILE_SERVER = server
m = smopy.Map(rect, z=10)
# m = smopy.Map(rect)
# m = smopy.Map(lat_min, lon_min, z=10, tileserver='http://c.tile.stamen.com/watercolor/{z}/{x}/{y}.png')
# m.show_ipython()
# control.set_tile(m.img)
base = m.img
base = base.convert('RGBA')
base.putalpha(200)
control.set_tile(base)
# return control
server = 'https://tiles.wmflabs.org/bw-mapnik/{z}/{x}/{y}.png'
# server = 'https://mt1.google.com/vt/lyrs=y&x={x}&y={y}&z={z}' # satelite
smopy.TILE_SERVER = server
m = smopy.Map(rect, z=10)
# img = m.img
# img = img.convert('RGBA')
# img.putalpha(128)
# img = img.convert('RGB')
img = m.img.convert('RGBA')
img.putalpha(128)
img = Image.alpha_composite(base, img)
control.set_tile(img)
# control.set_tile(Image.blend(base, l1, 129))
# m.show_mpl()
# from matplotlib.pyplot import show
# show()
# control.set_screen()
return control
def generate_preview(lat, lon):
osm_map = smopy.Map((lat-0.5, lon-0.5, lat+0.5, lon+0.5), z=9).to_pil()
weather_map = smopy.Map((lat-0.5, lon-0.5, lat+0.5, lon+0.5), z=9,
tileserver="http://a.tileserver.unimplemented.org/data/FX_015-latest/{z}/{x}/{y}.png").to_pil()
random_name = ''.join(random.SystemRandom().choice(string.ascii_uppercase + string.ascii_lowercase + string.digits) for _ in range(128))
pathspec = "/pushpreview/%s.png" % random_name
out = Image.blend(osm_map, weather_map, 0.4).convert("RGB")
# out is 768 × 768 pixels
#out.crop((100,100, 668,668)).save("/pushpreview/%s.png" % random_name, format="png", optimize=True)
out.save(pathspec, format="png", optimize=True)
return "https://meteocool.unimplemented.org%s" % pathspec
def showcov(self,
triang,
val,
vmin=-130,
vmax=-50,
cmap=plt.cm.jet,
bbuild=False,
btile=True):
""" Show a coverage
Parameters
----------
triang : triangulation
val : values
"""
lonmin = np.min(triang.x)
lonmax = np.max(triang.x)
latmin = np.min(triang.y)
latmax = np.max(triang.y)
extent = (lonmin, lonmax, latmin, latmax)
print(extent)
mp = smopy.Map((extent[2] + 0.1, extent[0] + 0.1, extent[3] - 0.1,
extent[1] - 0.1),
z=12)
if bbuild:
f, ax, d = self.show(fig=f,
ax=ax,
contour=False,
btile=False,
bldg=True,
height=False,
coord='lonlat',
extent=self.extent)
#ax = plt.gca()
if mp != []:
triang.x, triang.y = mp.to_pixels(triang.y, triang.x)
#ax = mp.show_mpl(figsize=(10,10))
ax = plt.gca()
tc = ax.tripcolor(
triang,
val.flatten(),
#shading='gouraud',
#shading='flat',
cmap=cmap,
vmax=vmax,
vmin=vmin,
alpha=0.4,
edgecolors='k',
linewidth=0.0)
#plt.axis('equal')
ax = mp.show_mpl(ax=ax)
divider = make_axes_locatable(ax)
cax = divider.append_axes("right", size="5%", pad="5%")
cb = colorbar(tc, cax=cax)
cb.set_label_text('Loss(dB)', fontsize=18)
return (cb)
def __init__(self, *args, **kwargs):
super().__init__('Ground Station Software')
self.mapCenterLat = 41.0730202
self.mapCenterLong = -72.0839729
# Definition of the forms fields
self._runbutton = ControlButton('Run')
self._mapImage = ControlImage('map')
self.scaleyboi = 18
newmap = smopy.Map(
(self.mapCenterLat - mapScale[self.scaleyboi] / 2,
self.mapCenterLong - mapScale[self.scaleyboi] / 2,
self.mapCenterLat + mapScale[self.scaleyboi] / 2,
self.mapCenterLong + mapScale[self.scaleyboi] / 2),
z=self.scaleyboi,
tileserver='http://192.168.1.152/osm_tiles/{z}/{x}/{y}.png')
self.blank_map = newmap
self.map = self.blank_map.to_numpy()
self._mapImage.value = self.map
self._runbutton.value = self.run_event
# Define the organization of the Form Controls
self.formset = [{'Tab1': ['_runbutton'], 'Tab2': ['_mapImage']}]
self.update_my_loc_handler()
self.update_map_center_handler()
def get_map(coords):
map = smopy.Map((coords['lat_min'], coords['lon_min'], coords['lat_max'],
coords['lon_max']),
z=8)
ax = map.show_mpl(figsize=(8, 8))
plt.show()
return True
def show_map(self, name):
"""Display the map for a location"""
g = geocoder.osm(name)
bbox = g.json["bbox"]
bbox = bbox["northeast"] + bbox["southwest"]
map_ = smopy.Map(bbox, zoom=11)
logging.debug("Bounding box: %s", map_.box)
ax = map_.show_mpl(figsize=(10, 6))
xs = []
ys = []
# This show all stops on the map, also not the ones
# used for processing, but heck . . .
for stop in self.stops.values():
x, y = map_.to_pixels(float(stop[3]), float(stop[4]))
xs.append(x)
ys.append(y)
plt.ion()
plt.show()
ax.plot(xs, ys, ".c")
# Plot the tracks in blue
for shape in self.shapes.values():
xys = [
map_.to_pixels(element.shape_pt_lat, element.shape_pt_lon)
for element in shape
]
xs = [elem[0] for elem in xys]
ys = [elem[1] for elem in xys]
ax.plot(xs, ys, "-b")
plt.pause(0.001)
return map_, ax
def find_mid_nodes(map_con, matcher):
coords_list = []
coord_trans = None
ax = None
z = 18
bb = map_con.bb()
m = smopy.Map(bb, z=z, ax=ax)
if matcher is not None:
lat_nodes = matcher.lattice_best
else:
lat_nodes = None
for idx, m in enumerate(lat_nodes):
lat, lon = m.edge_m.pi[:2]
#lat2, lon2 = m.edge_o.pi[:2]
if coord_trans:
# lat, lon = coord_trans(lat, lon)
lat2, lon2 = coord_trans(lat2, lon2)
x, y = to_pixels(lat, lon)
#x2, y2 = to_pixels(lat2, lon2)
coords_list.append((y, x))
return coords_list
def load_map(self, lat0=42, lat1=-1, lon0=55, lon1=3, zoom=3):
"""
Load a map image into the widget
:param lat0:
:param lat1:
:param lon0:
:param lon1:
:param zoom: 1~14
"""
# store coordinates
self.lat0 = lat0
self.lat1 = lat1
self.lon0 = lon0
self.lon1 = lon1
self.zoom = zoom
# get map
map = smopy.Map((lat0, lat1, lon0, lon1), z=zoom)
w, h = map.img.size
self.img = ImageQt(map.img)
self.image = QPixmap.fromImage(self.img)
# resize widget
self.setRect(0.0, 0.0, w, h)
def print_grid_initial_ireland(self):
worldmap2 = smopy.Map((42., -1., 55., 3.), z=4)
numcities = len(self.initialguess)
fig, ax = plt.subplots(1, 1, figsize=(10, 10))
ax.set_xticks([])
ax.set_yticks([])
ax.grid(False)
ax.set_xlim(0, worldmap2.w)
ax.set_ylim(worldmap2.h, 0)
ax.axis('off')
plt.tight_layout()
ax.imshow(worldmap2.img)
'''generate points corresponding to cities'''
px, py = [], []
for i in range(0, (numcities)):
plotx, ploty = worldmap2.to_pixels(self.initialguess[i].lat,
self.initialguess[i].lon)
px.append(plotx)
py.append(ploty)
fit = self.fitness(self.initialguess)
s = 'Initial Path length: %f' % fit
ax.plot(px, py, 'ro', label=s)
ax.legend(loc=1)
'''generate points corresponding to paths'''
colours = ['b', 'g', 'k', 'y', 'c', 'm']
for j in range(0, (numcities)):
pathlat, pathlon = gcd_path(
self.initialguess[j].lat, self.initialguess[j].lon,
self.initialguess[(j + 1) % numcities].lat,
self.initialguess[(j + 1) % numcities].lon, 10)
pathx, pathy = worldmap.to_pixels(pathlat, pathlon)
ax.plot(pathx, pathy, colours[j % 6])
fig.show()
def get_smopy_map(lat_min, lat_max, lon_min, lon_max, z):
args = (lat_min, lat_max, lon_min, lon_max, z)
if args not in get_smopy_map.maps:
smopy.Map.get_allowed_zoom = lambda self, z: z
get_smopy_map.maps[args] = smopy.Map(
(lat_min, lon_min, lat_max, lon_max), z=z)
return get_smopy_map.maps[args]
def get_smopy_map(lon_min, lon_max, lat_min, lat_max, z=None, map_style=None):
ORIG_TILE_SERVER = smopy.TILE_SERVER
if map_style is not None:
assert map_style in MAP_STYLES, map_style + \
" (map_style parameter) is not a valid CartoDB mapping style. Options are " + \
str(MAP_STYLES)
smopy.TILE_SERVER = "http://1.basemaps.cartocdn.com/" + map_style + "/{z}/{x}/{y}.png"
else:
smopy.TILE_SERVER = "http://1.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png"
args = (lat_min, lat_max, lon_min, lon_max, map_style, z)
if args not in get_smopy_map.maps:
kwargs = {}
if z is not None: # this hack may not work
smopy.Map.get_allowed_zoom = lambda self, z: z
kwargs['z'] = z
try:
get_smopy_map.maps[args] = smopy.Map(
(lat_min, lon_min, lat_max, lon_max), **kwargs)
except URLError:
raise RuntimeError(
"\n Could not load background map from the tile server: " +
smopy.TILE_SERVER +
"\n Please check that the tile server exists and "
"that your are connected to the internet.")
smopy.TILE_SERVER = ORIG_TILE_SERVER
return get_smopy_map.maps[args]
def fetch_map(self):
data = self.jdata
if 'location' in data:
lat = data['location'].get('latitude')
lon = data['location'].get('longitude')
map = smopy.Map(
(lat - 0.006, lon - 0.038, lat + 0.006, lon + 0.038),
z=12,
tileserver=
"http://tile.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png",
tilesize=512,
maxtiles=16)
x, y = map.to_pixels(lat, lon)
x = int(x)
y = int(y)
fname = f'map_{self.uuid}.png'
map.save_png(f'content/{fname}')
img = Image.open(open(f'content/{fname}', 'rb'))
draw = ImageDraw.Draw(img)
draw.ellipse([(x - 10, y - 10), (x + 10, y + 10)],
fill=128,
width=10)
del draw
ffname = f'content/loc_{fname}'
img.save(ffname, "PNG")
data.update({'media_url': ffname})
self.data = json.dumps(data)
self.save()
return f'loc_{fname}'
else:
raise KeyError(f'No location data found in frame: {self}')
def GetBaseMap():
import smopy
# https://github.com/CartoDB/basemap-styles
# https://github.com/CartoDB/cartodb/wiki/BaseMaps-available
basemaps = [
'light_all', 'dark_all', 'light_nolabels', 'light_only_labels',
'dark_nolabels', 'dark_only_labels', 'rastertiles/voyager',
'rastertiles/voyager_nolabels', 'rastertiles/voyager_only_labels',
'rastertiles/voyager_labels_under'
]
global mapbounds
print("downloading basemap: " + base + '-map.png')
lonRange = abs(bounds['maxlon'] - bounds['minlon'])
latRange = abs(bounds['maxlat'] - bounds['minlat'])
mapbounds['minlon'] = bounds['minlon'] - lonRange * 0.1
mapbounds['maxlon'] = bounds['maxlon'] + lonRange * 0.1
mapbounds['minlat'] = bounds['minlat'] - latRange * 0.1
mapbounds['maxlat'] = bounds['maxlat'] + latRange * 0.1
s = 'c' # one of the available subdomains, either [a,b,c,d]
# {z} : Zoom level. We support from 0 to 20 zoom levels in OSM tiling system.
# {x},{y}: Tile coordinates in OSM tiling system
scale = '@2x' # OPTIONAL "@2x" for double resolution tiles
smopy.TILE_SERVER = f"https://{s}.basemaps.cartocdn.com/{basemaps[2]}/{{z}}/{{x}}/{{y}}{scale}.png"
smopy.TILE_SIZE = 512
map = smopy.Map((mapbounds['minlat'], mapbounds['minlon'],
mapbounds['maxlat'], mapbounds['maxlon']),
z=12,
margin=0)
x1, y1 = map.to_pixels(mapbounds['maxlat'], mapbounds['minlon'])
x2, y2 = map.to_pixels(mapbounds['minlat'], mapbounds['maxlon'])
img = map.img.crop((x1, y1, x2, y2))
img.save(BASE + '-Map.png')
def add_area_points(data, zoom, area, title=None):
longitude = data['longitude'].values
latitude = data['latitude'].values
count = data['count'].values
radius = data['radius'].values
area_lon, area_lat = str2float(area)
Map = smopy.Map((area_lat.min(), area_lon.min(), area_lat.max(), area_lon.max()), z=zoom)
lon = []
lat = []
for i in range(len(longitude)):
m, n = gcj02_to_wgs84(longitude[i], latitude[i])
lon.append(m)
lat.append(n)
lon = np.array(lon)
lat = np.array(lat)
x, y = Map.to_pixels(lat, lon)
shape = [pi * r * r / 8 for r in radius]
ax = Map.show_mpl(figsize=(8, 8))
# cm = plt.cm.get_cmap('RdYlBu')
ax = plt.scatter(x, y, c=count, s=shape, alpha=0.5, orientation=0)
# plt.colorbar(ax)
if title:
plt.title(title)
plt.savefig(fname=title, dpi=300)
plt.show()
def get_img(IP_list_tuple, myIP):
IP_xy = []
for IP_tuple in IP_list_tuple:
for i in IP_tuple:
if not i == myIP:
XY = get_XY(ip=i)
if not XY == None:
IP_xy.append(XY)
printWARN("+" * 100)
mp = smopy.Map(
(min(IP_xy)[0], min(IP_xy)[1], max(IP_xy)[0], max(IP_xy)[1]), z=5)
x = []
y = []
for xy in IP_xy:
x1, y1 = mp.to_pixels(xy[0], xy[1])
x.append(x1)
y.append(y1)
printWARN("*" * 100)
mp.save_png("unit/curmap.png")
plt.figure()
ax = plt.subplot(111)
plt.xticks([])
plt.yticks([])
plt.grid(False)
plt.xlim(0, mp.w)
plt.ylim(mp.h, 0)
plt.axis('off')
plt.tight_layout()
ax.imshow(mp.img)
ax.plot(x, y, 'or')
plt.savefig("unit/plot.png")
def getMap(y1, x1, y2, x2):
map = smopy.Map(
(y1, x1, y2, x2),
tileserver=
"http://tile.basemaps.cartocdn.com/rastertiles/voyager/{z}/{x}/{y}@2x.png",
tilesize=512,
maxtiles=16)
return map
def __init__(self, parent=None):
super(MapWidget, self).__init__(parent)
self.setFlags(self.ItemIsSelectable | self.ItemIsMovable)
# get map
map = smopy.Map((37, -3), z=11, tilesize=48)
numpy_image = map.to_numpy()
img = QImage(numpy_image.data, *numpy_image.shape[1::-1], QImage.Format_RGB888)
self.setPixmap(QPixmap.fromImage(img))
def get_map(locations):
area = get_area(locations)
map = smopy.Map((area['lat_min'],area['lon_min'],area['lat_max'],area['lon_max']), z=15)
ax = map.show_mpl(figsize=(8,8))
for location in locations :
x,y = map.to_pixels(float(location['lat']),float(location['lon']))
ax.plot(x,y, 'yo', ms=5, mew=5)
plt.show()
return True
def map_cache(path, bounding_box):
try:
with open(path, 'rb') as map_file:
map_area = pickle.load(map_file)
except FileNotFoundError:
print(f"Map file doesn't exist, writing to {path}. May take a moment.")
map_area = smopy.Map(bounding_box, maxtiles=512)
with open(path, 'wb') as map_file:
pickle.dump(map_area, map_file, protocol=pickle.HIGHEST_PROTOCOL)
return map_area
def update_map_center_handler(self):
new_map = smopy.Map(
(self.mapCenterLat - mapScale[self.scaleyboi] / 2,
self.mapCenterLong - mapScale[self.scaleyboi] / 2,
self.mapCenterLat + mapScale[self.scaleyboi] / 2,
self.mapCenterLong + mapScale[self.scaleyboi] / 2),
z=self.scaleyboi,
tileserver='http://192.168.1.152/osm_tiles/{z}/{x}/{y}.png')
self.blank_map = new_map
threading.Timer(10, self.update_map_center_handler).start()
def __init__(self,
df_points,
dpi=100,
bg_map=True,
aspect='equal',
map_transparency=0.5):
if not isinstance(df_points, list):
df_points = [df_points]
self.fig, self.axarr = plt.subplots(len(df_points),
1,
facecolor='0.05',
dpi=dpi)
if not isinstance(self.axarr, np.ndarray):
self.axarr = [self.axarr]
self.map = []
self.track_df = DFTrack()
for i in range(len(df_points)):
df = df_points[i].get_tracks()
df.df['Axes'] = i
self.track_df = self.track_df.concat(df)
trk_bounds = df.get_bounds()
min_lat = trk_bounds.min_latitude
max_lat = trk_bounds.max_latitude
min_lng = trk_bounds.min_longitude
max_lng = trk_bounds.max_longitude
if bg_map:
self.map.append(smopy.Map(
(min_lat, min_lng, max_lat, max_lng)))
self.axarr[i].imshow(self.map[i].img,
aspect=aspect,
alpha=map_transparency)
else:
self.axarr[i].set_ylim([min_lat, max_lat])
self.axarr[i].set_xlim([min_lng, max_lng])
self.axarr[i].set_facecolor('0.05')
self.axarr[i].tick_params(color='0.05', labelcolor='0.05')
for spine in self.axarr[i].spines.values():
spine.set_edgecolor('white')
self.fig.tight_layout()
plt.subplots_adjust(wspace=0.1, hspace=0.1)
if 'VideoFrame' in self.track_df.df:
self.track_df = self.track_df.sort(
['VideoFrame', 'Axes', 'CodeRoute'])
else:
self.track_df = self.track_df.sort(['Axes', 'Date'])
self.track_df.df = self.track_df.df.reset_index(drop=True)
def load_map(self, lowest_point, longitude, latitude):
self.fig = plt.figure("GPS", figsize=(20, 8), dpi=300)
self.fig.canvas.mpl_connect('button_press_event', self.on_click)
self.map = smopy.Map((lowest_point[1], lowest_point[0], lowest_point[1] + latitude,
lowest_point[0] + longitude), z=15)
gps_in_img_coords = []
for coord in range(self.gps_coords.shape[0]):
x, y = self.map.to_pixels(*self.gps_coords[["GPS_Longitude", "GPS_Latitude"]].iloc[coord, :].values[::-1])
gps_in_img_coords.append((x, y))
self.gps_coords["longitude_img"] = np.array(gps_in_img_coords)[:, 0]
self.gps_coords["latitude_img"] = np.array(gps_in_img_coords)[:, 1]
def __init__(self, min_lat, max_lat, min_lon, max_lon, z=-1):
'''
Constructor for the class
@param min_lat: The bounding minimum latitude
@param max_lat: The bounding maximum latitude
@param min_lon: The bounding minimum longitude
@param max_lon: The bounding maximum longitude
@param tile_x: The x location of this tile in the larger map
@param tile_y: The y location of this tile in the larger map
'''
# Save the bounding values
self._min_lat = min_lat
self._max_lat = max_lat
self._min_lon = min_lon
self._max_lon = max_lon
# Establish attributes for the u v bounds
self._u_min = None
self._v_min = None
self._u_max = None
self._v_max = None
# Save the tile coordinates
self._tile_x = None
self._tile_y = None
# Create the smopy map
self._map = None
self._zoom = None
if z == -1:
self._map = smopy.Map(
(self._min_lat, self._min_lon, self._max_lat, self._max_lon))
self._zoom = self._map.z
else:
self._zoom = z
self._map = smopy.Map(
(self._min_lat, self._min_lon, self._max_lat, self._max_lon),
z=z)
self.populate_limits_uv()
def get_map(locations):
area = get_area(locations)
map = smopy.Map( (area['lat_min'],area['lon_min'],area['lat_max'],area['lon_max']) , z=8)
# Create a figure with the map :
fig, ax = plt.subplots()
ax = map.show_mpl(figsize=(8,8))
for index, row in locations.iterrows():
row['x'],row['y'] = map.to_pixels(float(row['lat']),float(row['lon']))
ax.plot(row['x'],row['y'], 'sg', ms=5)
ax.annotate(row['temp'],xy=(row['x'],row['y']),xytext=(row['x']+5,row['y']+5))
ax.scatter(locations.x, locations.y, c=locations.temp, s=100,vmin=locations.temp.min(), vmax=locations.temp.max())
plt.show()
def get_map(locations):
area = get_area(locations)
map = smopy.Map(
(area['lat_min'], area['lon_min'], area['lat_max'], area['lon_max']),
z=8)
# Create a figure with the map :
ax = map.show_mpl(figsize=(8, 8))
for location in locations:
x, y = map.to_pixels(float(location['lat']), float(location['lon']))
ax.plot(x, y, 'sg', ms=5)
ax.annotate(location['temp'], xy=(x, y), xytext=(x + 5, y + 5))
plt.show()
return True
def get_map(locations):
area = get_area(locations)
map = smopy.Map(
(area['lat_min'], area['lon_min'], area['lat_max'], area['lon_max']),
z=6)
# z = zoom
# create a figure with the map :
ax = map.show_mpl(figsize=(8, 6))
for location in locations:
x, y = map.to_pixels(float(location['lat']), float(location['lon']))
ax.plot(x, y, 'ob', ms=2, mew=5)
# ms = épaisseur & mew = diamètre des points & or = couleur
plt.show()
return True
def plot_map(self, ts, speed, outfile):
if self.initial_coords:
# for whole sequences
if True:
lat_min = np.min(self.coordinates[:,0]) - 0.0001
lat_max = np.max(self.coordinates[:,0]) + 0.0001
lon_min = np.min(self.coordinates[:,1]) - 0.0001
lon_max = np.max(self.coordinates[:,1]) + 0.0001
else:
# for area around current position
ll_lon = self.coordinates[ts,1] - 0.001
ll_lat = self.coordinates[ts,0] - 0.001
ur_lon = self.coordinates[ts,1] + 0.001
ur_lat = self.coordinates[ts,0] + 0.001
# get map
try:
mapfilename = "%f_%f_%f_%f_%d.p" % (lat_min, lon_min, lat_max, lon_max, self.zoom)
if os.path.isfile(mapfilename):
print "Loading with pickle"
self.map = pickle.load( open(mapfilename, "rb" ) )
else:
print "Getting map from OSM"
self.map = smopy.Map((lat_min, lon_min, lat_max, lon_max), z=self.zoom)
pickle.dump(self.map, open(mapfilename , "wb" ) )
#self.fig_map, ax = plt.subplots(ncols=1, nrows=1, frameon=False, figsize=(20,20))
self.fig_map = plt.figure(figsize=(10,10), frameon=False)
ax = plt.Axes(self.fig_map, [0., 0., 1., 1.])
ax.set_axis_off()
self.fig_map.add_axes(ax)
self.ax = self.map.show_mpl(ax=ax, figsize=(10,10))
for i in range(0,self.coordinates.shape[0]):
coords = self.map.to_pixels(self.coordinates[i,0], self.coordinates[i,1])
self.ax.plot(coords[0], coords[1], 'bo', ms=10, markeredgecolor='b')
cc = self.map.to_pixels(self.coordinates[ts,0], self.coordinates[ts,1])
self.current_coord = self.ax.plot(cc[0], cc[1], 'ro', ms=12)
# only if we do not refresh the map
self.initial_coords = False
except Exception,e:
print "Exception in plot_map: ", e
def get_map(locations):
area = get_area(locations)
map = smopy.Map(
(area['lat_min'], area['lon_min'], area['lat_max'], area['lon_max']),
z=8)
ax = map.show_mpl(figsize=(8, 8))
for location in locations:
x, y = map.to_pixels(float(location['lat']), float(location['lon']))
ax.plot(x, y, 'or', ms=10, mew=2)
ax.annotate(
location['temp'],
xy=(x, y),
xytext=(3, 3),
textcoords="offset points",
)
plt.show()
return True
def main(cities):
map = smopy.Map(southernmost_lat + 6, westermost_long, northermost_lat - 3,
eastermost_long - 4)
fig, ax = plt.subplots(figsize=(20, 10))
my_map = map.show_mpl()
plot_capital_cities(my_map, map.to_pixels)
cities = cities
vertexes = get_vertexes(cities, map.to_pixels)
plot_lines_from_vertexes(vertexes, my_map)
ax.savefig("greedy-google.jpg", dpi=100)
def heat_map(longitude, latitude, bins=50, title=None):
"""
绘制热力图
:param longitude: 经度
:param latitude: 纬度
:param title: 图名
:return:
"""
longitude = np.array(longitude)
latitude = np.array(latitude)
gps_map = smopy.Map(latitude.min(), longitude.min(), latitude.max(), longitude.max())
x_lon = gps_map.to_pixels(latitude, longitude)[1]
y_lat = gps_map.to_pixels(latitude, longitude)[0]
smoothing = 1
"""
cmap = LinearSegmentedColormap.from_list('mycmap', [(0, (1, 0, 0, 0)),
(0.5, (1, 0.5, 0.5, 0.8)),
(0.75, (1, 1, 0.9, 0.8)),
(0.875, (1, 1, 1, 1)),
(1, (1, 1, 1, 1))]
)
"""
colorlist = ['#5fd9cd', '#eaf786', '#ffb5a1', '#b8ffb8', '#b8f4ff']
cmap = LinearSegmentedColormap.from_list('mycmap',
[(0, (1, 0, 0, 0)),
(0.5, (1, 0.5, 0, 0.8)),
(0.75, (1, 1, 0, 0.8)),
(0.875, (1, 1, 1, 1)),
(1, (1, 1, 1, 1))
])
heatmap, x_edges, y_edges = np.histogram2d(x_lon, y_lat, bins=bins)
extent = [y_edges[0], y_edges[-1], x_edges[-1], x_edges[0]]
#logheatmap = np.log(heatmap)
#logheatmap[np.isneginf(logheatmap)] = 0
heatmap = ndimage.filters.gaussian_filter(heatmap, smoothing, mode='nearest')
ax = gps_map.show_mpl(dpi=300)
ax.imshow(heatmap, cmap=cmap, extent=extent, vmin=0, vmax=10)
if title:
plt.title(title)
plt.savefig(fname=title)
plt.show()