{"id":94270,"date":"2024-10-19T18:54:17","date_gmt":"2024-10-19T10:54:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/94270\/"},"modified":"2024-10-19T18:54:18","modified_gmt":"2024-10-19T10:54:18","slug":"oracle-spatial%e5%ad%b8%e7%bf%92%e7%b6%93%e9%a9%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/94270\/","title":{"rendered":"Oracle Spatial\u5b78\u7fd2\u7d93\u9a57"},"content":{"rendered":"

Oracle Spatial\u5b78\u7fd2\u7d93\u9a57<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5730\u7406\u4fe1\u606f\u7cfb\u7d71\uff08GIS\uff09\u548c\u7a7a\u9593\u6578\u64da\u7684\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Oracle Spatial\u4f5c\u70baOracle\u6578\u64da\u5eab\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u4e00\u5957\u5f37\u5927\u7684\u5de5\u5177\u4f86\u8655\u7406\u548c\u5206\u6790\u7a7a\u9593\u6578\u64da\u3002\u672c\u6587\u5c07\u5206\u4eab\u4e00\u4e9b\u5b78\u7fd2Oracle Spatial\u7684\u7d93\u9a57\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u6280\u8853\u7684\u61c9\u7528\u548c\u5be6\u8e10\u3002<\/p>\n

\u4ec0\u9ebc\u662fOracle Spatial\uff1f<\/h2>\n

Oracle Spatial\u662f\u4e00\u500b\u5c08\u9580\u7528\u65bc\u5b58\u5132\u3001\u67e5\u8a62\u548c\u5206\u6790\u7a7a\u9593\u6578\u64da\u7684\u6578\u64da\u5eab\u64f4\u5c55\u3002\u5b83\u652f\u6301\u591a\u7a2e\u7a7a\u9593\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\u9ede\u3001\u7dda\u3001\u9762\u7b49\uff0c\u4e26\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684\u7a7a\u9593\u67e5\u8a62\u529f\u80fd\u3002\u9019\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u5728\u6578\u64da\u5eab\u4e2d\u9032\u884c\u8907\u96dc\u7684\u7a7a\u9593\u5206\u6790\uff0c\u5f9e\u800c\u652f\u6301\u5404\u7a2e\u61c9\u7528\uff0c\u5982\u57ce\u5e02\u898f\u5283\u3001\u74b0\u5883\u76e3\u6e2c\u548c\u4ea4\u901a\u7ba1\u7406\u7b49\u3002<\/p>\n

\u5b78\u7fd2Oracle Spatial\u7684\u6b65\u9a5f<\/h2>\n

1. \u7406\u89e3\u57fa\u672c\u6982\u5ff5<\/h3>\n

\u5728\u958b\u59cb\u5b78\u7fd2Oracle Spatial\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u7684\u5730\u7406\u4fe1\u606f\u7cfb\u7d71\u6982\u5ff5\uff0c\u5982\u5750\u6a19\u7cfb\u3001\u6295\u5f71\u3001\u7a7a\u9593\u6578\u64da\u6a21\u578b\u7b49\u3002\u9019\u4e9b\u77e5\u8b58\u5c07\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3Oracle Spatial\u7684\u529f\u80fd\u548c\u61c9\u7528\u3002<\/p>\n

2. \u5b89\u88ddOracle\u6578\u64da\u5eab<\/h3>\n

\u8981\u4f7f\u7528Oracle Spatial\uff0c\u9996\u5148\u9700\u8981\u5b89\u88ddOracle\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u9078\u64c7\u5728\u672c\u5730\u74b0\u5883\u6216\u96f2\u7aef\u74b0\u5883\u4e2d\u5b89\u88dd\u3002\u5b89\u88dd\u904e\u7a0b\u4e2d\uff0c\u78ba\u4fdd\u9078\u64c7\u4e86Spatial\u9078\u9805\uff0c\u4ee5\u4fbf\u555f\u7528\u76f8\u95dc\u529f\u80fd\u3002<\/p>\n

3. \u5b78\u7fd2SQL\u548cPL\/SQL<\/h3>\n

Oracle Spatial\u7684\u64cd\u4f5c\u4e3b\u8981\u4f9d\u8cf4\u65bcSQL\u548cPL\/SQL\u8a9e\u8a00\u3002\u56e0\u6b64\uff0c\u719f\u6089\u9019\u5169\u7a2e\u8a9e\u8a00\u662f\u5b78\u7fd2\u7684\u95dc\u9375\u3002\u53ef\u4ee5\u901a\u904e\u5728\u7dda\u8ab2\u7a0b\u6216\u66f8\u7c4d\u4f86\u63d0\u5347\u81ea\u5df1\u7684SQL\u548cPL\/SQL\u6280\u80fd\u3002<\/p>\n

4. \u5be6\u8e10\u7a7a\u9593\u6578\u64da\u7684\u64cd\u4f5c<\/h3>\n

\u5b78\u7fd2Oracle Spatial\u7684\u6700\u4f73\u65b9\u5f0f\u662f\u901a\u904e\u5be6\u8e10\u3002\u53ef\u4ee5\u5f9e\u7c21\u55ae\u7684\u7a7a\u9593\u6578\u64da\u958b\u59cb\uff0c\u4f8b\u5982\u5275\u5efa\u4e00\u500b\u5305\u542b\u57ce\u5e02\u4f4d\u7f6e\u7684\u8868\u683c\uff0c\u7136\u5f8c\u4f7f\u7528\u7a7a\u9593\u67e5\u8a62\u4f86\u67e5\u627e\u7279\u5b9a\u7bc4\u570d\u5167\u7684\u57ce\u5e02\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n

CREATE TABLE cities (\n    id NUMBER,\n    name VARCHAR2(100),\n    location SDO_GEOMETRY\n);\n\nINSERT INTO cities (id, name, location) VALUES (1, 'Hong Kong', SDO_GEOMETRY(2001, 4326, SDO_POINT(114.1694, 22.3193, NULL), NULL, NULL));\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u201ccities\u201d\u7684\u8868\u683c\uff0c\u4e26\u63d2\u5165\u4e86\u4e00\u500b\u57ce\u5e02\u7684\u5730\u7406\u4f4d\u7f6e\u6578\u64da\u3002<\/p>\n
5. \u63a2\u7d22\u7a7a\u9593\u67e5\u8a62\u529f\u80fd<\/h3>\n
Oracle Spatial\u63d0\u4f9b\u4e86\u591a\u7a2e\u7a7a\u9593\u67e5\u8a62\u529f\u80fd\uff0c\u5982\u8ddd\u96e2\u8a08\u7b97\u3001\u7bc4\u570d\u67e5\u8a62\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u627e\u8ddd\u96e2\u67d0\u500b\u9ede\u572810\u516c\u91cc\u7bc4\u570d\u5167\u7684\u57ce\u5e02\uff1a<\/p>\n
SELECT name\nFROM cities\nWHERE SDO_NN(location, SDO_GEOMETRY(2001, 4326, SDO_POINT(114.1694, 22.3193, NULL), NULL, NULL), 'sdo_num_res=10') = 'TRUE';\n<\/code><\/pre>\n
\u8cc7\u6e90\u548c\u793e\u5340\u652f\u6301<\/h2>\n
\u5b78\u7fd2Oracle Spatial\u7684\u904e\u7a0b\u4e2d\uff0c\u53c3\u52a0\u76f8\u95dc\u7684\u8ad6\u58c7\u548c\u793e\u5340\u6d3b\u52d5\u662f\u975e\u5e38\u6709\u5e6b\u52a9\u7684\u3002Oracle\u5b98\u65b9\u7db2\u7ad9\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684\u6587\u6a94\u548c\u6559\u7a0b\uff0c\u6b64\u5916\uff0c\u9084\u6709\u8a31\u591a\u5728\u7dda\u793e\u5340\u548c\u8ad6\u58c7\u53ef\u4ee5\u4ea4\u6d41\u7d93\u9a57\u548c\u89e3\u6c7a\u554f\u984c\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5b78\u7fd2Oracle Spatial\u662f\u4e00\u500b\u5faa\u5e8f\u6f38\u9032\u7684\u904e\u7a0b\uff0c\u5f9e\u57fa\u672c\u6982\u5ff5\u5230\u5be6\u8e10\u64cd\u4f5c\uff0c\u6bcf\u4e00\u6b65\u90fd\u9700\u8981\u8010\u5fc3\u548c\u6301\u7e8c\u7684\u52aa\u529b\u3002\u96a8\u8457\u5c0d\u7a7a\u9593\u6578\u64da\u8655\u7406\u80fd\u529b\u7684\u63d0\u5347\uff0c\u60a8\u5c07\u80fd\u5920\u5728\u5404\u7a2e\u61c9\u7528\u4e2d\u767c\u63ee\u66f4\u5927\u7684\u4f5c\u7528\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u74b0\u5883\u4f86\u9032\u884cOracle Spatial\u7684\u5be6\u9a57\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u5b78\u7fd2\u63d0\u4f9b\u826f\u597d\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Oracle Spatial\u7684\u5b78\u7fd2\u7d93\u9a57\uff0c\u638c\u63e1\u5730\u7406\u8cc7\u8a0a\u7cfb\u7d71\u6280\u8853\uff0c\u63d0\u5347\u6578\u64da\u5206\u6790\u8207\u7a7a\u9593\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-94270","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=94270"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94270\/revisions"}],"predecessor-version":[{"id":94271,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94270\/revisions\/94271"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=94270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=94270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=94270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}