{"id":748,"date":"2014-02-27T17:26:52","date_gmt":"2014-02-27T08:26:52","guid":{"rendered":"http:\/\/13.113.225.155\/blog\/?p=748"},"modified":"2014-03-02T21:17:04","modified_gmt":"2014-03-02T12:17:04","slug":"zoomlevel_of_google-maps-android-api-v2","status":"publish","type":"post","link":"http:\/\/13.113.225.155\/blog\/2014\/02\/27\/zoomlevel_of_google-maps-android-api-v2\/","title":{"rendered":"Google Maps Android API v2 \u306e \u30ba\u30fc\u30e0\u30ec\u30d9\u30eb\u3068\u306f\u4f55\u3092\u6307\u3059\u304b"},"content":{"rendered":"

Google Maps\u3092\u53d6\u308a\u8fbc\u3093\u3060Android\u30a2\u30d7\u30ea\u3092\u4f5c\u3063\u3066\u3044\u305f\u969b\u306b\u3001<\/p>\n

\u300c\u753b\u9762\u306e1\/4\u7a0b\u5ea6\u3092\u52d5\u304b\u3059\u3068\u30c7\u30fc\u30bf\u30ea\u30ed\u30fc\u30c9\u3055\u305b\u305f\u3044\u300d<\/p>\n

\u3068\u3044\u3046\u8981\u671b\u304c\u4e0a\u304c\u308a\u307e\u3057\u3066\u3001\u305d\u306e\u5b9f\u73fe\u65b9\u6cd5\u3092\u691c\u8a0e\u3057\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u901a\u5e38 Map\u306e\u79fb\u52d5\u306b\u3064\u3044\u3066\u306f\u3001Map\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306bsetOnCameraChangeListener\u3092\u8a2d\u5b9a\u3057\u3066\u3001
\n\u30ab\u30e1\u30e9\u306e\u79fb\u52d5\u3092\u53d6\u308c\u3070\u3088\u3044\u306e\u3067\u3059\u304c\u3001\u53d6\u308c\u308b\u306e\u306fLatLon\u3067\u3042\u308a\u3001\u305d\u306e\u3068\u304d\u306eMap\u306e\u30ba\u30fc\u30e0\u30ec\u30d9\u30eb\u306b\u3088\u3063\u3066\u300c\u753b\u9762\u4e0a\u3069\u308c\u3060\u3051\u52d5\u3044\u305f\u304b\u300d\u304c\u5909\u308f\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u305d\u3053\u3067\u3001LatLon\u3068\u30ba\u30fc\u30e0\u30ec\u30d9\u30eb\u30fb\u305d\u308c\u304b\u3089\u753b\u9762\u4e0a\u306e\u5b9f\u79fb\u52d5\u306b\u3064\u3044\u3066\u306e\u76f8\u95a2\u3092\u30a2\u30d0\u30a6\u30c8\u306b\u53d6\u308c\u308b\u4ed5\u7d44\u307f\u3092\u30a2\u30d7\u30ea\u306b\u5165\u308c\u307e\u3057\u305f\u3002\u305d\u306e\u30ed\u30b8\u30c3\u30af\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

Google Maps Android API\u3067\u306f\u30ba\u30fc\u30e0\u30ec\u30d9\u30eb\u81ea\u4f53\u306f2\u301c21\u307e\u3067\u8a2d\u5b9a\u3067\u304d\u308b\u306e\u3067\u3059\u304c\u3001
\n\u30ba\u30fc\u30e0\u30ec\u30d9\u30eb2\u3092\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3001Google Map\u306f\u4e16\u754c\u5730\u56f3\u306e\u6982\u306d1\/4\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3057\u305f\u306e\u3067\u3001
\n\u5b9f\u969b\u306b\u306f\u30010\u3092\u8d77\u70b9\u3068\u3057\u305f\u4e0b\u8a18\u306e\u3088\u3046\u306a\u4eee\u8aac\u3092\u7acb\u3066\u307e\u3057\u305f\u3002<\/p>\n

\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u308b\u5730\u56f3\u306e\u5e45(Km)
\n\uff1d \u5730\u7403\u306e\u5186\u5468(Km) \/ (2 ^ \u30ba\u30fc\u30e0\u30ec\u30d9\u30eb )<\/p>\n

\u3064\u307e\u308a\u3001\u5730\u7403\u306e\u5186\u5468\u225240075km \u3068\u3059\u308b\u3068\u3001
\n\u30ba\u30fc\u30e0\u30ec\u30d9\u30eb 2 \u306e\u5834\u5408\u306f 40075km \/ (2 ^ 2) = \u7d0410018km
\n\u304c\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u753b\u9762\u5e45\u306b\u5408\u308f\u305b\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u9006\u306b\u99c5\u304b\u3089\u5f92\u6b6910\u5206\u306e\u5468\u8fba\u3092\u8868\u793a\u3057\u305f\u3044\u5834\u5408\u306f\u3001
\n\u5f92\u6b69\u6240\u8981\u6642\u9593 = 80m \/ 1\u5206\u3060\u3068\u3057\u3066\u3001\u5927\u4f531.6km\u56db\u65b9\u304c\u898b\u3089\u308c\u308c\u3070\u826f\u3044\u306e\u3067\u3001<\/p>\n

40075 \/ 2 ^ x = 1.6(km)
\nx \u2252 14.6<\/p>\n

\u3068\u306a\u308a\u3001\u30ba\u30fc\u30e0\u30ec\u30d9\u30eb\u306f14.6\u304c\u9069\u5207\u3001\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Google Maps\u3092\u53d6\u308a\u8fbc\u3093\u3060Android\u30a2\u30d7\u30ea\u3092\u4f5c\u3063\u3066\u3044\u305f\u969b\u306b\u3001 \u300c\u753b\u9762\u306e1\/4\u7a0b\u5ea6\u3092\u52d5\u304b\u3059\u3068\u30c7\u30fc\u30bf\u30ea\u30ed\u30fc\u30c9\u3055\u305b\u305f\u3044\u300d \u3068\u3044\u3046\u8981\u671b\u304c\u4e0a\u304c\u308a\u307e\u3057\u3066\u3001\u305d\u306e\u5b9f\u73fe\u65b9\u6cd5\u3092\u691c\u8a0e\u3057\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002 \u901a\u5e38 Map\u306e\u79fb\u52d5\u306b\u3064\u3044 … <\/p>\n

“Google Maps Android API v2 \u306e \u30ba\u30fc\u30e0\u30ec\u30d9\u30eb\u3068\u306f\u4f55\u3092\u6307\u3059\u304b” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,11],"tags":[],"_links":{"self":[{"href":"http:\/\/13.113.225.155\/blog\/wp-json\/wp\/v2\/posts\/748"}],"collection":[{"href":"http:\/\/13.113.225.155\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/13.113.225.155\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/13.113.225.155\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/13.113.225.155\/blog\/wp-json\/wp\/v2\/comments?post=748"}],"version-history":[{"count":2,"href":"http:\/\/13.113.225.155\/blog\/wp-json\/wp\/v2\/posts\/748\/revisions"}],"predecessor-version":[{"id":751,"href":"http:\/\/13.113.225.155\/blog\/wp-json\/wp\/v2\/posts\/748\/revisions\/751"}],"wp:attachment":[{"href":"http:\/\/13.113.225.155\/blog\/wp-json\/wp\/v2\/media?parent=748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/13.113.225.155\/blog\/wp-json\/wp\/v2\/categories?post=748"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/13.113.225.155\/blog\/wp-json\/wp\/v2\/tags?post=748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}