{"id":204914,"date":"2025-05-29T12:51:54","date_gmt":"2025-05-29T04:51:54","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204914\/"},"modified":"2025-05-29T12:51:54","modified_gmt":"2025-05-29T04:51:54","slug":"%e6%b5%b7%e9%87%8f%e7%bb%8f%e7%ba%ac%e5%ba%a6%e6%95%b0%e6%8d%ae%e8%b7%9d%e7%a6%bb%e8%ae%a1%e7%ae%97%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204914\/","title":{"rendered":"\u6d77\u91cf\u7ecf\u7eac\u5ea6\u6570\u636e\u8ddd\u79bb\u8ba1\u7b97\u5982\u4f55\u4f18\u5316\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u6d77\u91cf\u7ecf\u7eac\u5ea6\u6570\u636e\u8ddd\u79bb\u8ba1\u7b97\u5982\u4f55\u4f18\u5316\uff1f<\/h1>\n

\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u6d77\u91cf\u7ecf\u7eac\u5ea6\u6570\u636e\u8ddd\u79bb\u8ba1\u7b97\u5982\u4f55\u4f18\u5316\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

<\/p>\n

\u6279\u91cf\u7ecf\u7eac\u5ea6\u8ddd\u79bb\u8ba1\u7b97\u4f18\u5316<\/strong><\/p>\n

\u5728\u5904\u7406\u6d77\u91cf\u7ecf\u7eac\u5ea6\u6570\u636e\u96c6\u7684\u8ddd\u79bb\u8ba1\u7b97\u65f6\uff0c\u9047\u5230\u5904\u7406\u65f6\u95f4\u8fc7\u957f\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u4f18\u5316\uff1a<\/p>\n

\u95ee\u9898\u6838\u5fc3\u5728\u4e8e\u9700\u8981\u627e\u51fa a \u8868\u5185\u5404\u70b9 2km \u8303\u56f4\u5185\u7684 b \u8868\u7ecf\u7eac\u5ea6\u3002\u539f\u59cb\u4ee3\u7801\u91c7\u7528\u9010\u884c\u904d\u5386\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u7b5b\u9009\u548c\u8ba1\u7b97\u8ddd\u79bb\uff0c\u6548\u7387\u8f83\u4f4e\u3002<\/p>\n

\u8981\u4f18\u5316\u6027\u80fd\uff0c\u53ef\u4ee5\u5c06\u7ecf\u7eac\u5ea6\u6570\u636e\u8f6c\u6362\u6210\u77e9\u9635\u5f62\u5f0f\uff0c\u5229\u7528\u8ddd\u79bb\u77e9\u9635\u8ba1\u7b97\u5e93\u8ba1\u7b97\u51fa a\u3001b \u8868\u4e4b\u95f4\u6240\u6709\u70b9\u7684\u8ddd\u79bb\u3002\u8fd9\u6837\uff0c\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u7e41\u7410\u7684\u8ddd\u79bb\u8ba1\u7b97\uff0c\u5927\u5927\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n

\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

from scipy.spatial import distance_matrix\n\n# \u5047\u8bbe df1\u3001df2 \u6570\u636e\u5305\u542b\u7ecf\u7eac\u5ea6\u6570\u636e\n# \u8f6c\u6362\u4e3a\u7ecf\u7eac\u5ea6\u5750\u6807\u5bf9\ndf1[['Longitude', 'Latitude']]\ndf2[['Longitude', 'Latitude']]\n\n# \u6c42\u51fa\u8ddd\u79bb\u77e9\u9635\ntmp = distance_matrix(df1[['Longitude', 'Latitude']], df2[['Longitude', 'Latitude']])\n\n# \u6bd4\u5bf9\u8ddd\u79bb\u8fb9\u754c\uff0c\u83b7\u53d6\u539f\u59cb\u6570\u636e\u7d22\u5f15\nmin_distance = 2000  # 2 \u516c\u91cc\nidx = np.where(tmp < min_distance)\n\n# \u6839\u636e\u7d22\u5f15\u63d0\u53d6\u6ee1\u8db3\u6761\u4ef6\u7684\u7ecf\u7eac\u5ea6\ndf_result = df2.iloc[idx[0]]<\/pre>\n
\u4eca\u5929\u5173\u4e8e\u300a\u6d77\u91cf\u7ecf\u7eac\u5ea6\u6570\u636e\u8ddd\u79bb\u8ba1\u7b97\u5982\u4f55\u4f18\u5316\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
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