{"id":6264,"date":"2018-12-20T10:25:02","date_gmt":"2018-12-20T01:25:02","guid":{"rendered":"https:\/\/gunmagisgeek.com\/wordpress\/?p=6264"},"modified":"2018-12-20T10:26:27","modified_gmt":"2018-12-20T01:26:27","slug":"gee%e5%85%a5%e9%96%80%e8%a1%9b%e6%98%9f%e7%94%bb%e5%83%8f%e3%81%ae%e5%90%88%e6%88%90%e3%80%81%e3%83%a2%e3%82%b6%e3%82%a4%e3%82%af%e5%8c%96%e3%80%81%e5%88%87%e3%82%8a%e6%8a%9c%e3%81%8d","status":"publish","type":"post","link":"https:\/\/gunmagisgeek.com\/blog\/googleearthengine\/6264","title":{"rendered":"[GEE\u5165\u9580]\u885b\u661f\u753b\u50cf\u306e\u5408\u6210\u3001\u30e2\u30b6\u30a4\u30af\u5316\u3001\u5207\u308a\u629c\u304d"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u540c\u4e00\u306e\u5730\u57df\u3092\u64ae\u5f71\u3057\u305f\u885b\u661f\u753b\u50cf\u3092\u30d0\u30f3\u30c9\u5024\u306e\u6700\u5927\u5024\u3084\u4e2d\u592e\u5024\u306b\u96c6\u7d04\u3057\u3066\u4e00\u679a\u306e\u753b\u50cf\u306b\u5408\u6210\u306e\u65b9\u6cd5\u3068\u3001\u8907\u6570\u306e\u5730\u57df\u3092\u64ae\u5f71\u3057\u305f\u885b\u661f\u753b\u50cf\u3092\u3064\u306a\u304e\u5408\u308f\u305b\u3066\u4e00\u679a\u306e\u753b\u50cf\u306b\u5408\u6210\u3059\u308b\u30e2\u30b6\u30a4\u30af\u5316\u3001\u305d\u3057\u3066\u885b\u661f\u753b\u50cf\u3092\u4efb\u610f\u306e\u30dd\u30ea\u30b4\u30f3\u7b49\u3067\u5207\u308a\u629c\u304f\u65b9\u6cd5\u3092\u63b2\u8f09\u3057\u307e\u3059\u3002<\/p>\n<h2>\u91cd\u8907\u3059\u308b\u753b\u50cf\u3092\u5358\u4e00\u306e\u753b\u50cf\u306b\u5408\u6210\u3059\u308b<\/h2>\n<p>\u4f4d\u7f6e\u3092\u793a\u3059\u30b8\u30aa\u30e1\u30c8\u30ea\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u96c6\u7d04\u95a2\u6570(max, meddian)\u3092\u4f7f\u3063\u3066\u4e00\u679a\u306e\u30a4\u30e1\u30fc\u30b8\u3078\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n<p>\u3000<strong> \u30fb\u6700\u5927\u5024\u3067\u5408\u6210<\/strong><\/p>\n<pre class=\"lang:js decode:true \" >\nvar geometry = ee.Geometry.Point([139.75242390930623, 35.815842274316665]);\nMap.centerObject(geometry, 7);\n\/\/ 1\u5e74\u9593\u306eLandsat 8 TOA\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\nvar ImageCollection = ee.ImageCollection('LANDSAT\/LC08\/C01\/T1_TOA')\n    .filterDate('2016-01-01', '2016-12-31')\n    .filterBounds(geometry) \/\/\u540c\u4e00\u306e\u7a7a\u9593\u3092\u64ae\u5f71\u3057\u305f\u885b\u661f\u753b\u50cf\u306b\u7d5e\u308a\u8fbc\u3080\n    \n\/\/\u5404\u30d0\u30f3\u30c9\u5024\u3092\u6700\u5927\u5024\u3067\u96c6\u7d04\u3057\u5408\u6210\u3059\u308b\nvar maxImage = ImageCollection.max();\n\nMap.addLayer(maxImage, {bands: ['B4', 'B3', 'B2']})<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/max-1024x735.png\" alt=\"\" width=\"680\" height=\"488\" class=\"alignnone size-large wp-image-6269 border\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/max-1024x735.png 1024w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/max-209x150.png 209w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/max-768x551.png 768w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/p>\n<p>\u3000<strong>\u30fb\u4e2d\u592e\u5024\u3067\u5408\u6210<\/strong><\/p>\n<pre class=\"lang:js decode:true \" >\nvar geometry = ee.Geometry.Point([139.75242390930623, 35.815842274316665]);\nMap.centerObject(geometry, 7);\n\n\/\/ 1\u5e74\u9593\u306eLandsat 8 TOA\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\nvar ImageCollection = ee.ImageCollection('LANDSAT\/LC08\/C01\/T1_TOA')\n    .filterDate('2016-01-01', '2016-12-31')\n    .filterBounds(geometry, 7) \/\/\u540c\u4e00\u306e\u7a7a\u9593\u3092\u64ae\u5f71\u3057\u305f\u885b\u661f\u753b\u50cf\u306b\u7d5e\u308a\u8fbc\u3080\n    \n\n\/\/\u5404\u30d0\u30f3\u30c9\u5024\u3092\u4e2d\u592e\u5024\u3067\u96c6\u7d04\u3057\u5408\u6210\u3059\u308b\nvar medianImage = ImageCollection.median();\n\nMap.addLayer(medianImage, {bands: ['B4', 'B3', 'B2']})<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/median-1024x735.png\" alt=\"\" width=\"680\" height=\"488\" class=\"alignnone size-large wp-image-6270 border\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/median-1024x735.png 1024w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/median-209x150.png 209w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/median-768x551.png 768w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/p>\n<p>\u4e0a\u8a18\u306e\u307b\u304b\u306b\u3082\u3001min (\u6700\u5c0f\u5024)\u3084 mean (\u5e73\u5747\u5024) \u306a\u3069\u306e\u96c6\u7d04\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u8907\u6570\u306e\u753b\u50cf\u3092\u5408\u6210\u3057\u4e00\u679a\u306e\u753b\u50cf\u306b\u5408\u6210\u3059\u308b\uff08\u30e2\u30b6\u30a4\u30af\u5316\uff09<\/h2>\n<p>\u96a3\u308a\u5408\u3063\u305f\uff12\u679a\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u4e00\u679a\u306e\u30a4\u30e1\u30fc\u30b8\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:js decode:true \" >var geometry1 = ee.Geometry.Point([139.75242390930623, 35.815842274316665]),\n    geometry2 = ee.Geometry.Point([138.30772176086873, 36.19356370099665]);\n\n\/\/ \u5730\u70b9\uff11\u306e\u885b\u661f\u753b\u50cf\u3092\u53d6\u5f97\nvar Image1= ee.ImageCollection('LANDSAT\/LC08\/C01\/T1_TOA')\n    .filterDate('2016-01-01', '2016-12-31')\n    .filterBounds(geometry1)\n    .first()\n\n\/\/\u5730\u70b9\uff12\u306e\u885b\u661f\u753b\u50cf\u3092\u53d6\u5f97    \nvar Image2 = ee.ImageCollection('LANDSAT\/LC08\/C01\/T1_TOA')\n    .filterDate('2016-01-01', '2016-12-31')\n    .filterBounds(geometry2)\n    .first()\n\nMap.centerObject(geometry1, 7) \n\n\/\/\uff12\u679a\u306e\u885b\u661f\u753b\u50cf\u3092\u30a4\u30e1\u30fc\u30b8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u53ce\u3081\u308b\nvar ImageCollection= ee.ImageCollection([Image1, Image2]);\n\n\/\/\u30a4\u30e1\u30fc\u30b8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u753b\u50cf\u3092\u5408\u6210\u3057\u3066\u4e00\u679a\u306e\u753b\u50cf\u306b\u5909\u63db\u3059\u308b\nvar mosaic = ImageCollection.mosaic();\n\nMap.addLayer(mosaic, {bands: ['B4', 'B3', 'B2'], max:0.4})<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/mosaic-2-1024x480.jpg\" alt=\"\u30e2\u30b6\u30a4\u30af\u5316\" width=\"680\" height=\"319\" class=\"alignnone size-large wp-image-6287 border\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/mosaic-2-1024x480.jpg 1024w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/mosaic-2-300x141.jpg 300w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/mosaic-2-768x360.jpg 768w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/mosaic-2.jpg 1919w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/p>\n<h2>\u753b\u50cf\u3092\u5207\u308a\u629c\u304f<\/h2>\n<p>\u30ed\u30fc\u30c9\u3057\u305f\u885b\u661f\u753b\u50cf\u3092\u4efb\u610f\u306e\u30dd\u30ea\u30b4\u30f3\u3067\u5207\u308a\u629c\u304d\u307e\u3059\u3002<br \/>\n\u5207\u308a\u629c\u3044\u305f\u753b\u50cf\u306fGoogle\u30c9\u30e9\u30a4\u30d6\u3078\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u306e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u5f8c\u65e5\u63b2\u8f09\u3059\u308b\u300c[GEE\u5165\u9580]\u885b\u661f\u753b\u50cf\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8(\u753b\u50cf\uff0f\u52d5\u753b\uff0f\u30bf\u30a4\u30eb)\u300d\u3092\u304a\u5f85\u3061\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001\u5148\u307b\u3069\u30e2\u30b6\u30a4\u30af\u5316\u3057\u305f\u753b\u50cf\u3092\u661f\u578b\u306e\u30dd\u30ea\u30b4\u30f3\u3067\u5207\u308a\u629c\u3044\u3066\u307f\u307e\u3059\u3002<br \/>\n\uff08\u30dd\u30ea\u30b4\u30f3\u306e\u4f5c\u6210\u306fmap view\u306e\u30b8\u30aa\u30e1\u30c8\u30ea\u30fc\u30c4\u30fc\u30eb\u3092\u4f7f\u3046\u3068\u7c21\u5358\u3067\u3059\uff09<\/p>\n<p><strong>\u30fb\u30b8\u30aa\u30e1\u30c8\u30ea\u30fc\u30c4\u30fc\u30eb\u3067\u30dd\u30ea\u30b4\u30f3\u3092\u63cf\u304f<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/clip1-1024x664.png\" alt=\"\" width=\"680\" height=\"441\" class=\"alignnone size-large wp-image-6272 border\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/clip1-1024x664.png 1024w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/clip1-231x150.png 231w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/clip1-768x498.png 768w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/clip1.png 1989w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/p>\n<p><strong>\u30fb\u885b\u661f\u753b\u50cf\u3092\u30dd\u30ea\u30b4\u30f3\u3067\u5207\u308a\u629c\u304f<\/strong><\/p>\n<pre class=\"lang:js decode:true \" >var polygon = ee.Geometry.Polygon([\n  [\n    [139.23372640653156, 36.628681283456665],\n    [138.9013899807503, 36.3327552353749],\n    [138.21199789090656, 36.3327552353749],\n    [138.8244856838753, 35.94013885144697],\n    [138.2641829495003, 35.47849135262751],\n    [139.24471273465656, 35.79546514675987],\n    [140.0055159573128, 35.310568930489744],\n    [139.57979574246906, 36.05346701602968],\n    [140.35433187528156, 36.29734530140465],\n    [139.4342268948128, 36.34160520545565]\n  ]\n]);\n\nvar cliped = mosaic.clip(polygon)\n\n\nMap.addLayer(cliped, {bands: ['B4', 'B3', 'B2'], max:0.4});<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/clip2-1024x664.png\" alt=\"\" width=\"680\" height=\"441\" class=\"alignnone size-large wp-image-6273 border\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/clip2-1024x664.png 1024w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/clip2-231x150.png 231w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/clip2-768x498.png 768w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2018\/12\/clip2.png 1990w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/p>\n<h2>\u30a2\u30c9\u30d9\u30f3\u30c8\u30ab\u30ec\u30f3\u30c0\u30fc<\/h2>\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u3001<a href=\"https:\/\/qiita.com\/advent-calendar\/2018\/googleearth?fbclid=IwAR3kO5kBRJhrwyYPkmMUBPk1IAAu-pJupq9ip_N1KZ8joHdfPDlTEPTM3tE\">Google Earth \/ Google Earth Engine Advent Calendar 2018<\/a>\u3078\u306e\u53c2\u52a0\u6295\u7a3f\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u540c\u4e00\u306e\u5730\u57df\u3092\u64ae\u5f71\u3057\u305f\u885b\u661f\u753b\u50cf\u3092&hellip;<\/p>\n","protected":false},"author":1,"featured_media":6273,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[],"class_list":["post-6264","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-googleearthengine","has-post-thumbnail-archive"],"_links":{"self":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/6264","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/comments?post=6264"}],"version-history":[{"count":0,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/6264\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media\/6273"}],"wp:attachment":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media?parent=6264"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/categories?post=6264"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/tags?post=6264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}