def visualize(recs):
'''
Takes the direct output from calculation, maps the 3 recommendations
based on their cuisine locations
'''
if recs != []:
rv = []
for idx, tup in enumerate(recs):
lat, lon = tup[1]['coordinates']
rv.append(["#" + str(idx + 1) + ". " + tup[1]['name'] + \
" (" + tup[1]['cuisine'] + ")", lat, lon])
header = ['name', 'lat', 'lon']
with open("form/static_files/img/visualization.csv", "w") as csvfile:
writer = csv.writer(csvfile)
writer.writerow([h for h in header])
writer.writerows(rv)
data = geoplotlib.utils.read_csv(
"form/static_files/img/visualization.csv")
geoplotlib.dot(data)
geoplotlib.labels(data, 'name', color=[0, 0, 255, 255], font_size=10, \
anchor_x='center')
geoplotlib.savefig("form/static_files/img/visualization")
def main():
""" Extracts latitude and longitude from the JSON feed, converts the list of dictionaries to a dataframe and then plot the coordinates via GeoPlotLib """
url = "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/1.0_month.geojson"
json_obj = get_json(url)
entire_report_dictionary = json_loads_to_dictionary(json_obj)
number_of_records, id_lon_lat = extract_records(entire_report_dictionary)[
0], extract_records(entire_report_dictionary)[1]
print("writing to file\n")
with open('id_coordinates.csv', 'wt') as textiowrapper:
textiowrapper.writelines('name,lon,lat\n')
for i in range(number_of_records):
x = 0
id_num = str(id_lon_lat[i][x])
lon = str(id_lon_lat[i][x + 1])
lat = str(id_lon_lat[i][x + 2])
s = id_num + ',' + lon + ',' + lat
textiowrapper.writelines(s + '\n')
del x
textiowrapper.close()
print("done writing to file\n")
print("mapping the data\n")
data = read_csv('id_coordinates.csv')
geoplotlib.dot(data)
geoplotlib.show()
def geo_dot(file): # file must have at top: name,lat,lon
"""
Renders a geo dot graph
:param file: path to file
:return: saves image to temp/map.png
"""
data = read_csv(file)
geoplotlib.dot(data, point_size=3)
# geoplotlib.show()
geoplotlib.savefig('temp/map')
def plot(graph, tag_to_color, directed=True):
color_to_nodes_data = defaultdict(list)
color_to_nodes_pois = defaultdict(list)
plot_edges = list()
for node in graph.nodes:
node_info = {'lon': node.coordinates[1], 'lat': node.coordinates[0]}
color = (0, 0, 0)
if len(node.tags):
if node.tags[0] in tag_to_color:
color = tag_to_color[node.tags[0]]
else:
continue
if node.data_node:
color_to_nodes_data[color].append(node_info)
else:
color_to_nodes_pois[color].append(node_info)
neighbors = node.successors
if not directed:
neighbors = neighbors.union(node.predecessors)
for successor in neighbors:
#if node.coordinates[1] == successor.coordinates[1] and node.coordinates[0] == successor.coordinates[0]:
# print(node)
# print(successor)
plot_edges.append({
'start_lon': node.coordinates[1],
'end_lon': successor.coordinates[1],
'start_lat': node.coordinates[0],
'end_lat': successor.coordinates[0]
})
df_edges = pd.DataFrame(plot_edges)
'''
if not df_edges.empty:
geoplotlib.graph(df_edges,
src_lat='start_lat',
src_lon='start_lon',
dest_lat='end_lat',
dest_lon='end_lon',
color='Dark2',
alpha=30,
linewidth=3)
'''
for color, nodes_list in color_to_nodes_pois.items():
nodes_df = pd.DataFrame(nodes_list)
color = list(color)
color.append(255)
geoplotlib.dot(nodes_df, color=color)
for color, nodes_list in color_to_nodes_data.items():
nodes_df = pd.DataFrame(nodes_list)
color = list(color)
color.append(255)
geoplotlib.dot(nodes_df, color=color)
geoplotlib.show()
def DistanceVisual(lat1, lon1, venue, distance):
locs = pd.DataFrame({
'name':
['University of Michigan', venue + " " + str(distance) + " km"],
'lat': [42.2780, lat1],
'lon': [-83.7382, lon1]
})
geoplotlib.dot(locs,
color='b',
point_size=20,
f_tooltip=lambda r: r['name'])
geoplotlib.show()
def displayChargers(chargers, color="red", img_name="charging_points"):
""" Puts the charging points in a map. Saves image to disk. """
lats, lons, powers = [], [], []
for center in chargers:
for charger in center:
lats.append(charger["coords"][0])
lons.append(charger["coords"][1])
powers.append(charger["power"])
thedata = pd.DataFrame({"lat": lats, "lon": lons, "powers": powers})
geoplotlib.dot(thedata, color=color)
geoplotlib.savefig(img_name)
return True
def draw_crashes_points(cards, filtred = True):
if filtred:
latitude, longitude = ('lat', 'lon')
else:
latitude, longitude = ('latitude', 'longitude')
points = {'lon':[], 'lat':[]}
for lat, lon in zip(cards[latitude], cards[longitude]):
points['lon'].append(float(lon))
points['lat'].append(float(lat))
geoplotlib.dot(points, point_size=2, color='green')
geoplotlib.show()
def doKMeans(df):
#
# INFO: Plot data with a '.' marker, with 0.3 alpha at the Longitude,
# and Latitude locations in your dataset. Longitude = x, Latitude = y
fig = plt.figure()
ax = fig.add_subplot(111)
ax.scatter(df.lon, df.lat, marker='.', alpha=0.1)
#
# : Filter df so that you're only looking at Longitude and Latitude,
# since the remaining columns aren't really applicable for this purpose.
#
sliceK = df[['lon', 'lat']]
#
# : Use K-Means to try and find seven cluster centers in this df.
#
#model = KMeans(n_clusters=10, n_init=10, init='k-means++')
model = DBSCAN(eps=0.5,
min_samples=5,
metric="euclidean",
metric_params=None,
algorithm="auto",
leaf_size=30,
p=None,
n_jobs=1)
model.fit(sliceK)
#
# INFO: Print and plot the centroids...
centroids = model.cluster_centers_
try:
geoplotlib.dot(df, color='red', point_size=0.2)
except:
print("Exception")
geoplotlib.show()
ax.scatter(centroids[:, 0],
centroids[:, 1],
marker='x',
c='red',
alpha=0.5,
linewidths=3,
s=169)
print(centroids)
def plotTwoGroups(coords1, coords2):
geoplotlib.dot(coords1, color=(255, 0, 0, 255))
geoplotlib.dot(coords2, color=(0, 255, 0, 255))
geoplotlib.show()
#plot each file
#p v c d: (7133, 59) (307804, 35) (119931, 21) (19680, 18)
#permit
import geoplotlib
b3=b2.ix[b2['id']<7133,:]
sns.lmplot('lon', 'lat', data=b3, fit_reg=False, size=10)
#Image('detroit_area.png')
geoplotlib.dot(b3,point_size=0.8)
geoplotlib.show()
#crime
b3=b2.ix[(b2['id']>=7133) & (b2['id']<7133+307804),:]
sns.lmplot('lon', 'lat', data=b3, fit_reg=False, size=10)
#Image('detroit_area.png')
geoplotlib.dot(b3,point_size=0.8)
geoplotlib.show()
#Image('crime.png')
plt.savefig('crime.png')
#violation
def load_points(self):
gp.dot(self.dataframe, )
import geoplotlib
from geoplotlib.colors import colorbrewer
from geoplotlib.utils import epoch_to_str, BoundingBox, read_csv
data = read_csv('./data/metro.csv')
geoplotlib.dot(data, 'r')
geoplotlib.labels(data,
'name',
color=[0, 0, 255, 255],
font_size=10,
anchor_x='center')
geoplotlib.set_bbox(BoundingBox.KBH)
geoplotlib.show()
def origin(id):
return filter_by_id(id).loc[[0]]
# The last time a vehicle id registered an action in the simulation
def destiny(id):
return filter_by_id(id).iloc[[-1]]
tool_tip = lambda x: 'time: ' + str(x["time"]) + ', lat: ' + str(x["lat"]) + ', lon: ' + str(x["lon"])
import geoplotlib
points_df = filter_by_id('4858_52').reset_index()
start = origin('4858_52').reset_index()
end = destiny('4858_52').reset_index()
geoplotlib.dot(start, color="green", point_size=5, f_tooltip=tool_tip)
geoplotlib.dot(end, color="black", point_size=5, f_tooltip=tool_tip)
# Custom layer
from geoplotlib.layers import BaseLayer
from geoplotlib.layers import HotspotManager
from geoplotlib.utils import BoundingBox
from geoplotlib.core import BatchPainter
import random
import time
class DotDensityLayer(BaseLayer):
def __init__(self, data, color=None, point_size=2, f_tooltip=None):
"""Create a dot density map
:param data: data access object
#!/usr/bin/env python2
import geoplotlib
from geoplotlib.utils import read_csv
data = read_csv('ui_network_density.csv')
geoplotlib.dot(data)
geoplotlib.show()
#!/usr/bin/env python2
import geoplotlib
from geoplotlib.utils import read_csv, BoundingBox, DataAccessObject
data = read_csv('filtered_lonlat.csv')
# http://andreacuttone.com/geoplotlib/api.html#module-geoplotlib
geoplotlib.dot(data, color=[0,0,0], point_size=1.5)
geoplotlib.kde(data, bw=10, cmap='PuBuGn', cut_below=1e-4, clip_above=1e-2, alpha=180)
geoplotlib.graph(read_csv('group0.csvgraph.csv'), src_lat='flat', src_lon='flon',
dest_lat='tlat', dest_lon='tlon', color=[0,0,0], linewidth=2)
geoplotlib.graph(read_csv('group1.csvgraph.csv'), src_lat='flat', src_lon='flon',
dest_lat='tlat', dest_lon='tlon', color=[0,255,0], linewidth=2)
geoplotlib.graph(read_csv('group2.csvgraph.csv'), src_lat='flat', src_lon='flon',
dest_lat='tlat', dest_lon='tlon', color=[128,0,128], linewidth=2)
geoplotlib.kde(read_csv('chokepoints.csv'), bw=10, cmap='hot',
cut_below=1e-4, clip_above=1e-2, alpha=180)
bbox = BoundingBox(north=25.7188,west=-80.280,south=25.711,east=-80.280)
geoplotlib.set_bbox(bbox)
geoplotlib.set_window_size(1400, 1600)
#geoplotlib.set_window_size(700, 800)
geoplotlib.tiles_provider('toner')
geoplotlib.set_smoothing(True)
geoplotlib.savefig('output')
#geoplotlib.show()
schools = df.School
data = [go.Bar(x=df.School, y=df.Gap)]
py.iplot(data, filename='jupyter-basic_bar')
# # geoplotlib
# In[ ]:
import geoplotlib
from geoplotlib.utils import read_csv
data = read_csv('bus.csv')
geoplotlib.dot(data)
geoplotlib.show()
# # Direct plotting
# In[116]:
import pandas as pd
import numpy as np
df = pd.DataFrame(np.random.randn(200, 6),
index=pd.date_range('1/9/2009', periods=200),
columns=list('ABCDEF'))
df.plot(figsize=(20, 10)).legend(bbox_to_anchor=(1, 1))
#Shape of passed values is (10, 200), indices imply (4, 10)
lon2L= []
lat3L= []
lon3L= []
colorl = []
# color the dots based on price range
for idx in range(len(star_ratingL)):
if star_ratingL[idx] == 1:
lat1L.append(latL[idx])
lon1L.append(lonL[idx])
elif star_ratingL[idx] == 2:
lat2L.append(latL[idx])
lon2L.append(lonL[idx])
elif star_ratingL[idx] == 3:
lat3L.append(latL[idx])
lon3L.append(lonL[idx])
# add new dot layer
data1 = {'lat':lat1L, 'lon':lon1L}
geoplotlib.dot(data1, color = "blue")
data2 = {'lat':lat2L, 'lon':lon2L}
geoplotlib.dot(data2, color = "green")
data3 = {'lat':lat3L, 'lon':lon3L}
geoplotlib.dot(data3, color = "red")
# show the plot
geoplotlib.show()
sns.lmplot('lon', 'lat', data=b2, fit_reg=False, size=10)
#Image('detroit_area.png')
#plot each file
#p v c d: (7133, 59) (307804, 35) (119931, 21) (19680, 18)
#permit
import geoplotlib
b3 = b2.ix[b2['id'] < 7133, :]
sns.lmplot('lon', 'lat', data=b3, fit_reg=False, size=10)
#Image('detroit_area.png')
geoplotlib.dot(b3, point_size=0.8)
geoplotlib.show()
#crime
b3 = b2.ix[(b2['id'] >= 7133) & (b2['id'] < 7133 + 307804), :]
sns.lmplot('lon', 'lat', data=b3, fit_reg=False, size=10)
#Image('detroit_area.png')
geoplotlib.dot(b3, point_size=0.8)
geoplotlib.show()
#Image('crime.png')
plt.savefig('crime.png')
#violation
f = open("VLOCs.csv", "w+")
f.close()
#write csv to be read by geoplotlib
with open('VLOCs.csv', mode='w', newline='') as VLOCs:
VLOCs = csv.writer(VLOCs, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)
VLOCs.writerow(['name', 'S_lat', 'S_lon', 'D_lat', 'D_lon'])
for station in Locations:
VLOCs.writerow([station[0], station[1], station[2], station[3], station[4]])
#empty SLOCs.csv
f = open("SLOCs.csv", "w+")
f.close()
#write csv to be read by geoplotlib
with open('SLOCs.csv', mode='w', newline='') as SLOCs:
SLOCs = csv.writer(SLOCs, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)
SLOCs.writerow(['name', 'lat', 'lon'])
for station in Locations:
SLOCs.writerow([station[0], station[1], station[2]])
#plot stations
Plotdata1 = read_csv('VLOCs.csv')
Plotdata2 = read_csv('SLOCs.csv')
gp.set_bbox(BoundingBox(north=9, west=110, south=1, east=95))
gp.graph(Plotdata1, 'S_lat', 'S_lon', 'D_lat', 'D_lon', linewidth=2, color='Blues')
gp.dot(Plotdata2, color='blue', point_size=3)
gp.labels(Plotdata2, 'name', color='black', font_size=8, anchor_x='center')
gp.tiles_provider('positron')
gp.show()
#convert list with [phi, lambda, h] to [name, lat, lon]
Locations.append([Sname, deg(series[0].pos[0]), deg(series[0].pos[1])])
#path to SLOCs.csv
os.chdir(os.path.dirname(os.path.realpath(__file__)))
#empty SLOCs.csv
f = open("SLOCs.csv", "w+")
f.close()
#write csv to be read by geoplotlib
with open('SLOCs.csv', mode='w', newline='') as SLOCs:
SLOCs = csv.writer(SLOCs,
delimiter=',',
quotechar='"',
quoting=csv.QUOTE_MINIMAL)
SLOCs.writerow(['name', 'lat', 'lon'])
for station in Locations:
SLOCs.writerow([station[0], station[1], station[2]])
#plot stations
Plotdata = read_csv('SLOCs.csv')
gp.set_bbox(BoundingBox(north=9, west=110, south=1, east=95))
gp.dot(Plotdata, color='red', point_size=2)
gp.labels(Plotdata, 'name', color='black', font_size=8, anchor_x='center')
gp.tiles_provider('positron')
gp.show()
'https://maps-for-free.com/layer/relief/z{Z}/row{Y}/{Z}_{X}-{Y}.jpg'
#ToDo: change tile to map from the web (url above)
transpose = np.transpose(extracted_cols)
# Write the latitude and longitude columns to a csv
with open('lat_lon_prices.csv', 'wb') as f:
writer = csv.writer(f)
writer.writerows(transpose)
with open('lat_lon_prices2.csv', 'wb') as f:
writer = csv.writer(f)
writer.writerows(extracted_cols)
# In[190]:
#Visualization 1: A map that depicts geographical distribution of listings
from geoplotlib.colors import ColorMap
from geoplotlib.colors import colorbrewer
from geoplotlib.utils import epoch_to_str, BoundingBox, read_csv
geoplotlib.dot(listings2, color='blue')
geoplotlib.show()
# In[180]:
# Second Visualization: Distribution of Prices
plt.hist(prices, bins=1000, range=(0, 1000))
plt.title(
"Distribution of sub-$1000 Airbnb Listings by Price in San Francisco")
plt.xlabel("Price (USD)")
plt.ylabel("Number of Listings")
plt.show()
# In[182]:
# Third Visualization: Distribution of Customer Ratings
def s_meanshif(filepath,labelpath="../../data/label.csv", label_despath="../../data/label_des.csv"):
#datas = deal_des(filepath)
#提取目的地坐标
#des = []
#for it in datas:
# des.append(it[1])
#从des文件中读取目的地信息
des = []
tripid = []
file = open("../../data/des.csv","r")
for line in file:
try:
if len(line) > 1:
data = line.strip("\n").split(" ")
x,y = float(data[1]),float(data[2])
tripid.append(data[0])
des.append([x, y])
except:
#print line
pass
print len(des),len(tripid)
#将list转换为numpy的矩阵格式
des = np.array(des)
# The following bandwidth can be automatically detected using
#得到meanshift所需的bandwidth
bandwidth = estimate_bandwidth(des, quantile=0.2, n_samples=100000)
#print bandwidth
bandwidth = 0.008
#得到meanShift模型并进行训练
ms = MeanShift(bandwidth=bandwidth, bin_seeding=True, min_bin_freq=5)
ms.fit(des)
#得到训练的标签以及类别中心点坐标
labels = ms.labels_
cluster_centers = ms.cluster_centers_
print "样本个数:",len(labels)
#存储每个类别对应的中心坐标
out = open(labelpath,"w")
i = 0
ress = []
for cluster_center in cluster_centers:
#print cluster_center
out.write(str(i)+" "+str(cluster_center[0])+" "+str(cluster_center[1])+"\n")
i += 1
out.close()
#存储目的地对应的类别
label_des = open(label_despath, "w")
i = 0
for label in labels:
#print tripid[i],label
label_des.write(str(tripid[i])+" "+str(label)+" "+str(cluster_centers[int(label)][0])+" "+str(cluster_centers[int(label)][1])+"\n")
i += 1
label_des.close()
#print ress
labels_unique = np.unique(labels)
n_clusters_ = len(labels_unique)
print 'cluster num:',n_clusters_
#对聚类效果进行可视化
geo_data = {'lat':[],'lon':[]}
for xy in cluster_centers:
x, y = xy[0],xy[1]
geo_data['lon'].append(x)
geo_data['lat'].append(y)
#print geo_data
geoplotlib.dot(geo_data)
geoplotlib.show()
import plotly
import psycopg2
import geoplotlib
try:
conn = psycopg2.connect(
"dbname='zillowdb' user='******' host='localhost' password='******'")
except:
print "I am unable to connect to the database."
cur = conn.cursor()
try:
cur.execute(
"""SELECT latitude, longitude FROM homes WHERE house_id<100;""")
except (Exception, psycopg2.DatabaseError) as error:
print(error)
coords = cur.fetchall()
thedata = {
'lat': [float(i[0]) / 1000000 for i in coords],
'lon': [float(j[1]) / 1000000 for j in coords]
}
# close communication with the PostgreSQL database server
cur.close()
# display geographical map
geoplotlib.dot(thedata)
geoplotlib.show()
streetLightColor = [103, 191, 92]
wifiColor = [0, 122, 255]
crimeColor = [237, 102, 93, alphaCrime]
gp.clear()
plotPointSize = 2
gp.set_window_size(800, 800)
gp.tiles_provider('darkmatter')
#Street light plot
geoPoltData = streetlight[["lat_s", "lon_s"]].rename(columns={
'lat_s': 'lat',
'lon_s': 'lon'
},
inplace=False)
gp.dot(geoPoltData, point_size=plotPointSize, color=streetLightColor)
#Wifi plot
geoPoltData = wifi[["lat_w", "lon_w"]].rename(columns={
'lat_w': 'lat',
'lon_w': 'lon'
},
inplace=False)
gp.dot(geoPoltData, point_size=plotPointSize, color=wifiColor)
#Crime plot
geoPoltData = NYPD_filter[["lat_c", "lon_c"]].rename(columns={
'lat_c': 'lat',
'lon_c': 'lon'
},
inplace=False)
import sys
import numpy
import geoplotlib
from geoplotlib.utils import read_csv, BoundingBox
from geoplotlib.colors import ColorMap
data = read_csv('data/out_FL.csv')
#TODO: apply filtering here rather than when making the csv
bb = BoundingBox.from_points(lons=data['lon'], lats=data['lat'])
#TODO: utilize layers
#mark the station locations
geoplotlib.dot(data, color=[0, 0, 0, 255])
#TODO: show based on zoom level
#geoplotlib.labels(data,'Station Name (LEA)', color=[150,150,190,255], font_size=9, anchor_x='center')
#geoplotlib.voronoi(data, cmap='Blues_r', max_area=8e3, alpha=200, f_tooltip=lambda d:d['Station Name (LEA)'] )
geoplotlib.kde(data, cmap='Blues_r', bw=10, cut_below=1e-4, scaling='lin')
#geoplotlib.delaunay(data,cmap='hot_r')
##post
geoplotlib.set_bbox(bb)
geoplotlib.set_smoothing(True)
geoplotlib.show()
import geoplotlib
from geoplotlib.colors import colorbrewer
from geoplotlib.utils import epoch_to_str, BoundingBox, read_csv
data = read_csv('./data/metro.csv')
geoplotlib.dot(data, 'r')
geoplotlib.labels(data, 'name', color=[0,0,255,255], font_size=10, anchor_x='center')
geoplotlib.set_bbox(BoundingBox.KBH)
geoplotlib.show()
import geoplotlib
from geoplotlib.utils import read_csv
import pandas as pd
df = pd.read_csv('directory.csv')
lat = df.lat
lon = df.lon
geoplotlib.dot(lat[0], lon[0])
geoplotlib.show()
print lat[0]
print lon[0]
import geoplotlib
from geoplotlib.colors import colorbrewer
from geoplotlib.utils import epoch_to_str, BoundingBox, read_csv
data = read_csv('agentTest.csv')
plot points
geoplotlib.dot(data, 'b')
# plot the heatmap
#geoplotlib.hist(data, colorscale='sqrt', binsize=4)
# geoplotlib.show()