{"id":1969,"date":"2010-01-29T23:59:08","date_gmt":"2010-01-29T14:59:08","guid":{"rendered":"http:\/\/ke-tai.org\/blog\/?p=1969"},"modified":"2010-01-30T21:23:03","modified_gmt":"2010-01-30T12:23:03","slug":"geohash","status":"publish","type":"post","link":"http:\/\/ke-tai.org\/blog\/2010\/01\/29\/geohash\/","title":{"rendered":"GPS\u5ea7\u6a19\u3092\u77ed\u3044\u6587\u5b57\u5217\u3067\u6271\u3048\u308bGeoHash\u304c\u9762\u767d\u3044"},"content":{"rendered":"<p>\u4f4d\u7f6e\u60c5\u5831\u3092\u77ed\u3044\u6587\u5b57\u5217\u3067\u6271\u3046\u3053\u3068\u306e\u3067\u304d\u308bGeoHash\u3068\u3044\u3046\u306e\u304c\u9762\u767d\u3044\u306e\u3067\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p class=\"spacer\">&nbsp;<\/p>\n<p>\u30b1\u30fc\u30bf\u30a4\u306eGPS\u306a\u3069\u304b\u3089\u53d6\u5f97\u3059\u308b\u5ea7\u6a19\u306f\u901a\u5e38\u300c\u7def\u5ea6\u30fb\u7d4c\u5ea6\u300d\u3068\u3044\u3046\u5f62\u3067\u6271\u308f\u308c\u307e\u3059\u3002<br \/>\n<strong>\u300c+141.22.35.364, +43.3.14.112\u300d<\/strong>\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u3059\u306d\u3002<\/p>\n<p>\u3068\u3053\u308d\u304cGeoHash\u3067\u306f\u3001\u3053\u306e\u5ea7\u6a19\u306f\u6587\u5b57\u5217\u3067\u8868\u3055\u308c<strong>\u300cxpssbxt2gpf\u300d<\/strong>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u9762\u767d\u3044\u3053\u3068\u306b\u3053\u306e\u6587\u5b57\u5217\u306f\u3001\u5ea7\u6a19\u306e\u3088\u3046\u306b\u300c\u70b9\u300d\u3092\u8868\u3057\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u304f\u300c\u7bc4\u56f2\uff08\u30b0\u30ea\u30c3\u30c9\uff09\u300d\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u3053\u306e\u6587\u5b57\u5217\u306f\u9577\u3051\u308c\u3070\u9577\u3044\u307b\u3069\u8a73\u7d30\u306a\u60c5\u5831\u3092\u6301\u3061\u307e\u3059\u3002<br \/>\n\u3064\u307e\u308a\u6587\u5b57\u5217\u3092\u77ed\u304f\u3059\u308b\u3068\u3001\u3088\u308a\u5e83\u3044\u7bc4\u56f2\u3092\u8868\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p class=\"spacer\">&nbsp;<\/p>\n<p>\u4f8b\u3048\u3070\u4e0a\u306e\u6587\u5b57\u5217\u304b\u30893\u6587\u5b57\u524a\u3063\u305f<strong>\u300cxpssbxt2\u300d<\/strong>\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u7bc4\u56f2\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/ke-tai.org\/blog\/wp-content\/uploads\/2010\/01\/20100130_geohash1.png\" alt=\"20100130_geohash1\" title=\"20100130_geohash1\" width=\"450\" height=\"350\" class=\"alignnone size-full wp-image-1987\" srcset=\"http:\/\/ke-tai.org\/blog\/wp-content\/uploads\/2010\/01\/20100130_geohash1.png 450w, http:\/\/ke-tai.org\/blog\/wp-content\/uploads\/2010\/01\/20100130_geohash1-300x233.png 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/p>\n<p class=\"spacer\">&nbsp;<\/p>\n<p>\u305d\u3053\u304b\u3089\u66f4\u306b2\u6587\u5b57\u524a\u3063\u305f<strong>\u300cxpssbx\u300d<\/strong>\u306f\u3001\u3088\u308a\u5e83\u3044\u7bc4\u56f2\u3092\u8868\u3059\u3053\u3068\u306b\u306a\u308a\u3001\u6b21\u306e\u3088\u3046\u306a\u7bc4\u56f2\u306b\u306a\u308a\u307e\u3059\u3002\uff08\u7bc4\u56f2\u304c\u5e83\u3059\u304e\u3066\u8868\u793a\u3057\u304d\u308c\u306a\u3044\u306e\u3067\u5730\u56f3\u306e\u7e2e\u5c3a\u3082\u4e0a\u3052\u3066\u3044\u307e\u3059\uff09<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/ke-tai.org\/blog\/wp-content\/uploads\/2010\/01\/20100130_geohash.png\" alt=\"20100130_geohash\" title=\"20100130_geohash\" width=\"450\" height=\"350\" class=\"alignnone size-full wp-image-1972\" srcset=\"http:\/\/ke-tai.org\/blog\/wp-content\/uploads\/2010\/01\/20100130_geohash.png 450w, http:\/\/ke-tai.org\/blog\/wp-content\/uploads\/2010\/01\/20100130_geohash-300x233.png 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/p>\n<p class=\"spacer\">&nbsp;<\/p>\n<p>\u3069\u3046\u3082\u8aac\u660e\u304c\u4e0b\u624b\u306a\u306e\u3067\u3001\u6050\u3089\u304f\u308f\u304b\u308b\u3088\u3046\u306a\u308f\u304b\u3089\u306a\u3044\u3088\u3046\u306a\u3001\u3068\u3044\u3046\u611f\u3058\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u73fe\u5728\u306e\u3068\u3053\u308dmasuidrive\u6c0f\u306e\u30d6\u30ed\u30b0\u304c\u3001\u65e5\u672c\u8a9e\u3067GeoHash\u3092\u4e00\u756a\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u308f\u308c\u308b\u306e\u3067\u3001\u3054\u7d39\u4ecb\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<br \/>\n\uff08\u56f3\u89e3\u3082\u591a\u304f\u308f\u304b\u308a\u3084\u3059\u3044\u3068\u601d\u3044\u307e\u3059\uff09<\/p>\n<p>\u2192\u3000<a href=\"http:\/\/blog.masuidrive.jp\/index.php\/2010\/01\/13\/geohash\/\" target=\"_blank\">@masuidrive blog\u3000\u7def\u5ea6\u7d4c\u5ea6\u3092\u6587\u5b57\u5217\u3067\u8868\u3059GeoHash<\/a> <small>[blog.masuidrive.jp]<\/small><\/p>\n<p class=\"spacer\">&nbsp;<\/p>\n<p>\u307e\u305f\u540c\u6642\u306b\u5b9f\u969b\u306bGeohash\u3092\u8a66\u3059\u3053\u3068\u306e\u51fa\u6765\u308b\u30c7\u30e2\u3082\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u2192\u3000<a href=\"http:\/\/blog.masuidrive.jp\/wp-content\/uploads\/2010\/01\/geohash.html\" target=\"_blank\">@masuidrive blog\u3000geohash\u30c7\u30e2\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a> <small>[blog.masuidrive.jp]<\/small><\/p>\n<p>\u300c\u6771\u4eac\u30bf\u30ef\u30fc\u300d\u306e\u3088\u3046\u306a\u8a9e\u53e5\u3092\u5165\u308c\u3066\u63cf\u753b\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3068\u3001GeoHash\u5024\u3068\u305d\u306e\u7bc4\u56f2\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p class=\"spacer\">&nbsp;<\/p>\n<p>GeoHash\u306f\u3001\u65e2\u306b\u8272\u3093\u306a\u8a00\u8a9e\u5411\u3051\u306b\u5b9f\u88c5\u304c\u9032\u3093\u3067\u3044\u308b\u3088\u3046\u3067\u3001\u4e0a\u8a18\u30d6\u30ed\u30b0\u3067\u3082Ruby\u7528\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/en.wikipedia.org\/wiki\/Geohash#External_links\" target=\"_blank\">\u82f1\u8a9e\u7248\u306eWikipedia<\/a>\u306b\u5404\u8a00\u8a9e\u5411\u3051\u306e\u30ea\u30f3\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u79c1\u3082\u4e0a\u8a18\u30ea\u30f3\u30af\u304b\u3089\u8fbf\u3063\u3066PHP\u3067\u8a66\u3057\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u3001\u3069\u3046\u3082\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u7c21\u7d20\u306a\u3082\u306e\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p class=\"spacer\">&nbsp;<\/p>\n<p>\u691c\u7d22\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u300c\u3068\u308a\u3042\u3048\u305aPHP\u300d\u3068\u3044\u3046\u30d6\u30ed\u30b0\u5185\u306bGeoHash\u306e\u30c7\u30b3\u30fc\u30c9\u3001\u30a8\u30f3\u30b3\u30fc\u30c9\u3001\u96a3\u63a5\u3059\u308b\u9818\u57df\u3092\u53d6\u308b\u95a2\u6570\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u304c\u3042\u308a\u307e\u3057\u305f\u306e\u3067\u6d3b\u7528\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u2192\u3000<a href=\"http:\/\/mtcn.ko-me.com\/Entry\/1\/\" target=\"_blank\">\u3068\u308a\u3042\u3048\u305aPHP\u3000Geohash\u95a2\u6570<\/a> <small>[mtcn.ko-me.com]<\/small><\/p>\n<p>\u4f7f\u3044\u65b9\u306f\u30bd\u30fc\u30b9\u3092\u898b\u308c\u3070\u4e00\u76ee\u77ad\u7136\u3060\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n<pre class=\"super-pre-small\"><code>\/\/ \u30c6\u30b9\u30c8\u7528\u306e\u5ea7\u6a19\r\n$lat_in = '43.06383';\r\n$lon_in = '141.35744';\r\n\r\n\/\/ \u5ea7\u6a19\u304b\u3089GeoHash\u5f62\u5f0f\u3078\uff083\u756a\u76ee\u306e\u5f15\u6570\u306f\u7cbe\u5ea6\uff09\r\n$hash = geohash_encode($lat_in, $lon_in, 6);\r\n\r\n\/\/ GeoHash\u5f62\u5f0f\u304b\u3089\u5ea7\u6a19\u3078\r\n$geo_arr = geohash_decode_interval($hash);\r\n\r\n$grid_x1 = $geo_arr[1][0];\t\t\/\/ \u30b0\u30ea\u30c3\u30c9\u306e\u5de6\u4e0a\u306e\u70b9\r\n$grid_x2 = $geo_arr[1][1];\t\t\/\/ \u30b0\u30ea\u30c3\u30c9\u306e\u5de6\u4e0b\u306e\u70b9\r\n$grid_y1 = $geo_arr[0][0];\t\t\/\/ \u30b0\u30ea\u30c3\u30c9\u306e\u53f3\u4e0a\u306e\u70b9\r\n$grid_y2 = $geo_arr[0][1];\t\t\/\/ \u30b0\u30ea\u30c3\u30c9\u306e\u53f3\u4e0b\u306e\u70b9\r\n<\/code><\/pre>\n<p class=\"spacer\">&nbsp;<\/p>\n<p>\u306a\u304a\u3001\u30b1\u30fc\u30bf\u30a4\u304b\u3089\u53d6\u5f97\u3067\u304d\u308b\u5ea7\u6a19\u306f\u3001\u5ea6\u5206\u79d2\u5f62\u5f0f\u306a\u306e\u3067\u3001\u3042\u3089\u304b\u3058\u3081\u30df\u30ea\u79d2\u5f62\u5f0f\u306b\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u8a73\u3057\u304f\u306f<a href=\"http:\/\/ke-tai.org\/blog\/2007\/12\/21\/wgs\/\" target=\"_blank\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p class=\"spacer\">&nbsp;<\/p>\n<p>\u3053\u306eGeoHash\u4f55\u304c\u826f\u3044\u306e\u304b\u3068\u3044\u3046\u3068\u3001<\/p>\n<ul>\n<li>\u5834\u6240\u306e\u7d5e\u308a\u8fbc\u307f\u304c\u7c21\u5358\u306b\u884c\u3048\u308b\u3001\u96a3\u63a5\u30a8\u30ea\u30a2\u306e\u53d6\u5f97\u3082\u5bb9\u6613\u3002<\/li>\n<li>\u7bc4\u56f2\u304c\u524d\u65b9\u4e00\u81f4\u3067\u691c\u7d22\u3067\u304d\u308b\u306e\u3067\u3001\u6587\u5b57\u5217\u30de\u30c3\u30c1\u3084SQL\u306elike\u6587\u306a\u3069\u3068\u3082\u76f8\u6027\u304c\u826f\u304f\u3001\u9ad8\u901f\u306a\u51e6\u7406\u304c\u53ef\u80fd<\/li>\n<li>\u5ea7\u6a19\u3068\u7cbe\u5ea6\u3092\u77ed\u3044\u6587\u5b57\u5217\u3067\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3001URL\u3067\u6271\u3044\u3084\u3059\u3044<\/li>\n<\/ul>\n<p>\u306e\u3088\u3046\u306a\u70b9\u304c\u4e0a\u3052\u3089\u308c\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p class=\"spacer\">&nbsp;<\/p>\n<p>\u3053\u308c\u3092\u4f7f\u3048\u3070\u30b1\u30fc\u30bf\u30a4\u306eGPS\u3067\u30c9\u30e9\u30af\u30a8\u306e\u3059\u308c\u9055\u3044\u901a\u4fe1\u7684\u306a\u3082\u306e\u3082\u5272\u3068\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u308b\u6c17\u304c\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u73fe\u5728\u904a\u3093\u3067\u307f\u3066\u3044\u308b\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n<p class=\"spacer\">&nbsp;<\/p>\n<p><strong><em>\u95a2\u9023\uff1a<\/em><\/strong><\/p>\n<ul>\n<li><em><a href=\"http:\/\/ke-tai.org\/blog\/2007\/12\/18\/iarea\/\">FOMA\u30aa\u30fc\u30d7\u30f3i\u30a8\u30ea\u30a2\u306e\u4f4d\u7f6e\u60c5\u5831\u53d6\u5f97\u6a5f\u80fd\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u305f<\/a><\/em> <img decoding=\"async\" style=\"border:0px\" src=\"http:\/\/b.hatena.ne.jp\/entry\/image\/small\/http:\/\/ke-tai.org\/blog\/2007\/12\/18\/iarea\/\" alt=\"\" \/><\/li>\n<li><em><a href=\"http:\/\/ke-tai.org\/blog\/2009\/01\/19\/googlemapnew\/\">Google Static Map API\u304c\u968f\u5206\u5909\u308f\u3063\u3066\u3044\u305f\u306e\u3067\u8abf\u3079\u76f4\u3057\u3066\u307f\u307e\u3057\u305f<\/a><\/em> <img decoding=\"async\" style=\"border:0px\" src=\"http:\/\/b.hatena.ne.jp\/entry\/image\/small\/http:\/\/ke-tai.org\/blog\/2009\/01\/19\/googlemapnew\/\" alt=\"\" \/><\/li>\n<li><em><a href=\"http:\/\/ke-tai.org\/blog\/2008\/02\/26\/gmapstatic\/\">\u300cGoogle Static Maps API\u300d\u3092\u4f7f\u3063\u3066\u643a\u5e2f\u3067Google\u30de\u30c3\u30d7\u3092\u8868\u793a\u3059\u308b<\/a><\/em> <img decoding=\"async\" style=\"border:0px\" src=\"http:\/\/b.hatena.ne.jp\/entry\/image\/small\/http:\/\/ke-tai.org\/blog\/2008\/02\/26\/gmapstatic\/\" alt=\"\" \/><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4f4d\u7f6e\u60c5\u5831\u3092\u77ed\u3044\u6587\u5b57\u5217\u3067\u6271\u3046\u3053\u3068\u306e\u3067\u304d\u308bGeoHash\u3068\u3044\u3046\u306e\u304c\u9762\u767d\u3044\u306e\u3067\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002 &nbsp; \u30b1\u30fc\u30bf\u30a4\u306eGPS\u306a\u3069\u304b\u3089\u53d6\u5f97\u3059\u308b\u5ea7\u6a19\u306f\u901a\u5e38\u300c\u7def\u5ea6\u30fb\u7d4c\u5ea6\u300d\u3068\u3044\u3046\u5f62\u3067\u6271\u308f\u308c\u307e\u3059\u3002 \u300c+141.22.35.364, +4 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[491,175],"_links":{"self":[{"href":"http:\/\/ke-tai.org\/blog\/wp-json\/wp\/v2\/posts\/1969"}],"collection":[{"href":"http:\/\/ke-tai.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ke-tai.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ke-tai.org\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/ke-tai.org\/blog\/wp-json\/wp\/v2\/comments?post=1969"}],"version-history":[{"count":27,"href":"http:\/\/ke-tai.org\/blog\/wp-json\/wp\/v2\/posts\/1969\/revisions"}],"predecessor-version":[{"id":1998,"href":"http:\/\/ke-tai.org\/blog\/wp-json\/wp\/v2\/posts\/1969\/revisions\/1998"}],"wp:attachment":[{"href":"http:\/\/ke-tai.org\/blog\/wp-json\/wp\/v2\/media?parent=1969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ke-tai.org\/blog\/wp-json\/wp\/v2\/categories?post=1969"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ke-tai.org\/blog\/wp-json\/wp\/v2\/tags?post=1969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}