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1 import pickle 2 import numpy as np 3 import pandas as pd 4 import networkx as nx 5 import geopandas as gpd 6 import scipy.sparse as sp 7 import matp 阅读全文
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1 import pickle 2 from scipy.spatial import cKDTree 3 4 output = open('busstop_X.pkl', 'rb') 5 X = pickle.load(output) 6 output.close() 7 8 # X.shape 阅读全文
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import numpy as np import matplotlib.pyplot as plt from mpl_toolkits.mplot3d import Axes3D from scipy.spatial import Delaunay from sklearn.neighbors i 阅读全文
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PostgreSQL语句 撤销主键语句 ALTER TABLE public.trajectory_table ALTER COLUMN trj_id DROP NOT NULL; 创建索引--创建GIST索引语句 CREATE INDEX "trj_idx" ON trajectory_table 阅读全文
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import numpy as np import networkx as nx import infomap import matplotlib.pyplot as plt import matplotlib.colors as colors from fitter import Fitter f 阅读全文
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Disaster management 灾害管理relief logistics 救援物资Disaster relief 赈灾the aftermath 余波、后遗症、后果disaster victims 灾民shortage risk 短缺风险Disaster relief logistics 救 阅读全文
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from shapely.geometry import Polygon import xml.etree.cElementTree as et import matplotlib.pyplot as plt import geopandas as gpd import numpy as np # 阅读全文
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from shapely.geometry import Polygon import geopandas as gpd # 粗略的北京六环道路 见 北京6环边界Geo范围数据 - by BBBike https://www.cnblogs.com/jeshy/p/14868463.html pol 阅读全文
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-- tg_pair DROP TYPE IF EXISTS tg_pair CASCADE; CREATE TYPE tg_pair AS ( -- timestamp-geometry pair type t timestamp, g geometry ); --trajectory DROP 阅读全文
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BBBike WGS84地理坐标，如下： 6ring-coords: [116.072, 39.714], [116.075, 39.705], [116.078, 39.695], [116.099, 39.688], [116.122, 39.688], [116.167, 39.685], [ 阅读全文