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\u3092\u63cf\u304f\u3002\u4e00\u65b9\u3001\u3053\u306e\u56f3\u6cd5\u3067\u306f\u300c\u4efb\u610f\u306e\u70b9","datePublished":"2022-04-27","dateModified":"2022-04-27","author":{"@type":"Person","@id":"https:\/\/wiki.edu.vn\/jp\/wiki20\/archives\/author\/lordneo#Person","name":"lordneo","url":"https:\/\/wiki.edu.vn\/jp\/wiki20\/archives\/author\/lordneo","image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c9645c498c9701c88b89b8537773dd7c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c9645c498c9701c88b89b8537773dd7c?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Enzyklop\u00e4die","logo":{"@type":"ImageObject","@id":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/11\/book.png","url":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/11\/book.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/1\/10\/Hammer_retroazimuthal_projection_front_SW.JPG\/220px-Hammer_retroazimuthal_projection_front_SW.JPG","url":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/1\/10\/Hammer_retroazimuthal_projection_front_SW.JPG\/220px-Hammer_retroazimuthal_projection_front_SW.JPG","height":"220","width":"220"},"url":"https:\/\/wiki.edu.vn\/jp\/wiki20\/archives\/297959","about":["Wiki"],"wordCount":2862,"articleBody":" 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\u306b\u305f\u3069\u308a\u7740\u304f\uff08\u7d4c\u5ea6\u306f\u6771\u4eac\u3088\u308a90\u5ea6\u6771\uff09\u3002\u3057\u304b\u3057 X \u304b\u3089\u898b\u3066\u6771\u4eac\u306f\u771f\u897f\u3067\u306f\u306a\u304f\uff08\u771f\u897f\u306f\u8d64\u9053\u4e0a\uff09\u3001\u305d\u308c\u3088\u308a\u3082\u5317\u5074\u306b\u7d0436\u5ea6\uff08\u6771\u4eac\u306e\u7def\u5ea6\u3068\u540c\u3058\u5024\uff09\u306e\u65b9\u5411\u306b\u3042\u308b\u3002\u3053\u306e\u3088\u3046\u306b\u6771\u4eac\u304b\u3089\u898b\u305f X \u306e\u65b9\u4f4d\u3068 X \u304b\u3089\u898b\u305f\u6771\u4eac\u306e\u65b9\u4f4d\u3068\u306b\u306f\u9055\u3044\u304c\u3042\u308b\u3002  \u6b63\u8ddd\u65b9\u4f4d\u56f3\u6cd5\u3067\u306f\u3001\u4e2d\u5fc3\u70b9 P \u304b\u3089\u4efb\u610f\u306e\u70b9 X \u3092\u307f\u305f\u6642\u306e\u65b9\u4f4d\u3068\u8ddd\u96e2\u3092\u305d\u306e\u307e\u307e\u7528\u3044\u3066\u3001\u5e73\u9762\u6975\u5ea7\u6a19\u306e\u65b9\u4f4d\u89d2\u3068\u8ddd\u96e2\u3068\u3057\u3066 X \u3092\u63cf\u304f\u3002\u4e00\u65b9\u3001\u3053\u306e\u56f3\u6cd5\u3067\u306f\u300c\u4efb\u610f\u306e\u70b9 X \u304b\u3089\u307f\u305f P \u306e\u65b9\u4f4d\u3068\u8ddd\u96e2\u300d\u3092\u7528\u3044\u3066\u3001P \u3092\u4e2d\u5fc3\u3068\u3059\u308b\u5e73\u9762\u6975\u5ea7\u6a19\u306e\u65b9\u4f4d\u89d2\u3068\u8ddd\u96e2\u3068\u3057\u3066 X \u3092\u63cf\u304f\u3002\u3053\u308c\u304c\u9006\u65b9\u4f4d\u56f3\u6cd5(retroazimuthal projection)\u3067\u3042\u308b\u3002\u4e2d\u5fc3\u70b9 P \u3092\u7def\u5ea6 \u03d50{displaystyle phi _{0}}\u3001\u7d4c\u5ea6 \u03bb0{displaystyle lambda _{0}}\u3001\u63cf\u304f\u5bfe\u8c61\u306e\u70b9 X \u3092\u7def\u5ea6 \u03d5{displaystyle phi }\u3001\u7d4c\u5ea6 \u03bb{displaystyle lambda } \u3068\u3057\u305f\u3068\u304d\u3001\u6b63\u8ddd\u6cd5\u56f3\u6cd5\u306b\u304a\u3051\u308b\u65b9\u4f4d\u89d2 \u03b8{displaystyle theta } \u3068\u8ddd\u96e2 r{displaystyle r} \u306fcos\u2061r=sin\u2061\u03d5sin\u2061\u03d50+cos\u2061\u03d5cos\u2061\u03d50cos\u2061(\u03bb\u2212\u03bb0){displaystyle cos r=sin phi sin phi _{0}+cos phi cos phi _{0}cos(lambda -lambda _{0})}cos\u2061\u03b8=cos\u2061\u03d5sin\u2061(\u03bb\u2212\u03bb0)\/sin\u2061r{displaystyle cos theta =cos phi sin(lambda -lambda _{0})\/sin r}sin\u2061\u03b8=(sin\u2061\u03d5cos\u2061\u03d50\u2212cos\u2061\u03d5sin\u2061\u03d50cos\u2061(\u03bb\u2212\u03bb0))\/sin\u2061r{displaystyle sin theta =(sin phi cos phi _{0}-cos phi sin phi _{0}cos(lambda -lambda _{0}))\/sin r}\u306e\u95a2\u4fc2\u304c\u3042\u308b\u304c\u3001\u30cf\u30f3\u30e1\u30eb\u9006\u65b9\u4f4d\u56f3\u6cd5\u306f (\u03d50,\u03bb0){displaystyle (phi _{0},lambda _{0})} \u3068 (\u03d5,\u03bb){displaystyle (phi ,lambda )} \u3092\u5165\u308c\u66ff\u3048\u3066\u3001\u65b9\u4f4d\u89d2\u3092180\u5ea6\u56de\u8ee2\u3057\u305fcos\u2061r=sin\u2061\u03d50sin\u2061\u03d5+cos\u2061\u03d50cos\u2061\u03d5cos\u2061(\u03bb0\u2212\u03bb){displaystyle cos r=sin phi _{0}sin phi +cos phi _{0}cos phi cos(lambda _{0}-lambda )}cos\u2061\u03b8=\u2212cos\u2061\u03d50sin\u2061(\u03bb0\u2212\u03bb)\/sin\u2061r{displaystyle cos theta =-cos phi _{0}sin(lambda _{0}-lambda )\/sin r}sin\u2061\u03b8=(\u2212sin\u2061\u03d50cos\u2061\u03d5+cos\u2061\u03d50sin\u2061\u03d5cos\u2061(\u03bb0\u2212\u03bb))\/sin\u2061r{displaystyle sin theta =(-sin phi _{0}cos phi +cos phi _{0}sin phi cos(lambda _{0}-lambda ))\/sin r}\u3067\u3042\u308b\u3002\u3053\u306e\u56f3\u6cd5\u306b\u304a\u3044\u3066\u3001\u4e2d\u5fc3\u70b9\u304b\u3089\u898b\u3066\u540c\u3058\u65b9\u5411\u306b\u3042\u308b\u70b9\u306f\u300c\u5317\u6975\u3068\u70b9 P \u3068\u3092\u898b\u8fbc\u3080\u89d2\u5ea6\u304c\u540c\u3058\u3067\u3042\u308b\u70b9\u306e\u96c6\u307e\u308a\u300d\u3067\u3042\u308a\u3001\u72ed\u3044\u7bc4\u56f2\u3067\u3042\u308c\u3070\u307b\u307c\u5186\u5468\u3092\u306a\u3059\uff08\u7403\u9762\u4e0a\u3067\u5186\u5468\u89d2\u3092\u8003\u3048\u3066\u3044\u308b\u306e\u3068\u540c\u3058\u3060\u304c\u3001\u7403\u9762\u4e0a\u306a\u306e\u3067\u5e83\u3044\u7bc4\u56f2\u306b\u306a\u308c\u3070\u6b6a\u3080\uff09\u3002\u3053\u306e\u89d2\u5ea6\u304c\u5c0f\u3055\u3044\u5834\u5408\u3001\u4e2d\u5fc3\u70b9\u304b\u3089\u540c\u3058\u8ddd\u96e2\u306b\u306a\u308b\u70b9\u304c\uff12\u3064\u73fe\u308c\u308b\u306e\u3067\u3001\uff11\u679a\u306e\u5730\u56f3\u3068\u3057\u3066\u63cf\u3053\u3046\u3068\u3057\u3066\u3082\u91cd\u8907\u3057\u3066\u3057\u307e\u3046\u3002\u305d\u306e\u305f\u3081\u5730\u7403\u5168\u4f53\u3092\u63cf\u304f\u5834\u5408\u306f\u3001\u7d4c\u5ea6\u3067\u898b\u3066\u8fd1\u3044\u5074\u3068\u9060\u3044\u5074\u3092\u5206\u3051\u3066\u63cf\u304f\u3002\u300c\u5317\u6975\u3068\u56f3\u6cd5\u4e2d\u5fc3\u70b9\u306e\u9593\u306e\u89d2\u300d\u3092\u7528\u3044\u3066\u63cf\u304f\u305f\u3081\u3001\u56f3\u6cd5\u4e2d\u5fc3\u70b9\u3060\u3051\u3067\u306a\u304f\u6975\u70b9\u306e\u6307\u5b9a\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u7d4c\u7def\u5ea6\u7dda\u3092\u5f15\u304f\u306e\u3067\u306a\u3051\u308c\u3070\u4e2d\u5fc3\u70b9\u3060\u3051\u6c7a\u3081\u308c\u3070\u5341\u5206\u306a\u65b9\u4f4d\u56f3\u6cd5\u3068\u3001\u3053\u306e\u70b9\u3067\u9055\u3044\u304c\u3042\u308b\u3002\u53c2\u8003\u6587\u732e[\u7de8\u96c6]Snyder, John P. (1989). An Album of Map Projections, Professional Paper 1453. US Geological Survey. pp.\u00a0152, 231. http:\/\/pubs.usgs.gov\/pp\/1453\/report.pdf\u00a0"},{"@context":"http:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https:\/\/wiki.edu.vn\/jp\/wiki20\/#breadcrumbitem","name":"Enzyklop\u00e4die"}},{"@type":"ListItem","position":2,"item":{"@id":"https:\/\/wiki.edu.vn\/jp\/wiki20\/archives\/297959#breadcrumbitem","name":"\u30cf\u30f3\u30e1\u30eb\u9006\u65b9\u4f4d\u56f3\u6cd5 – Wikipedia"}}]}]