{"id":7868,"date":"2021-12-23T10:41:30","date_gmt":"2021-12-23T01:41:30","guid":{"rendered":"https:\/\/gunmagisgeek.com\/blog\/?p=7868"},"modified":"2021-12-23T11:17:31","modified_gmt":"2021-12-23T02:17:31","slug":"deck-gl%e3%81%a7%e8%a1%a8%e7%a4%ba%e9%a0%98%e5%9f%9f%e3%82%92%e5%88%b6%e9%99%90%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/gunmagisgeek.com\/blog\/other\/7868","title":{"rendered":"deck.gl\u3067\u8868\u793a\u9818\u57df\u3092\u5236\u9650\u3059\u308b"},"content":{"rendered":"\n<p>\u3053\u306e\u8a18\u4e8b\u306f<a href=\"https:\/\/qiita.com\/advent-calendar\/2021\/deckgl\">deck.gl Advent Calendar 2021\u00a0<\/a>\u53c2\u52a0\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6982\u8981<\/h2>\n\n\n\n<p>\u5730\u56f3\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u4f5c\u308b\u6642\u306b\u6307\u5b9a\u3057\u305f\u30a8\u30ea\u30a2\u4ee5\u5916\u306b\u79fb\u52d5\u3067\u304d\u306a\u304f\u3059\u308b\u51e6\u7406\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>deck.gl\u306b\u306f\u8868\u793a\u9818\u57df\u3092\u5236\u9650\u3059\u308b\u305f\u3081\u306b\u7528\u610f\u3055\u308c\u305f\u6a5f\u80fd\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001viewState\u306e\u66f4\u65b0\u6642\u306b\u6307\u5b9a\u9818\u57df\u5916\u306b\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u8868\u793a\u30a8\u30ea\u30a2\u5236\u9650\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/h2>\n\n\n\n<iframe src=\"https:\/\/codesandbox.io\/embed\/deck-gl-biao-shi-ling-yu-wozhi-xian-suru-x22z0?fontsize=14&amp;hidenavigation=1&amp;theme=dark&amp;view=split\" style=\"width:100%; height:500px; border:0; border-radius: 4px; overflow:hidden;\" title=\"deck.gl - \u8868\u793a\u9818\u57df\u3092\u5236\u9650\u3059\u308b\" allow=\"accelerometer; ambient-light-sensor; camera; encrypted-media; geolocation; gyroscope; hid; microphone; midi; payment; usb; vr; xr-spatial-tracking\" sandbox=\"allow-forms allow-modals allow-popups allow-presentation allow-same-origin allow-scripts\"><\/iframe>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u8aac<\/h2>\n\n\n\n<p>deck\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306einitialViewState\u30d7\u30ed\u30d1\u30c6\u30a3\u3092viewState\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u5909\u66f4\u3059\u308b\u3068\u3001viewState\u306e\u81ea\u52d5\u66f4\u65b0\u304c\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u306b\u3088\u3063\u3066viewState\u306e\u5024\u3092\u66f4\u65b0\u3059\u308b\u305f\u3081\u306b\u306f\u3001onViewStateChange\u30a4\u30d9\u30f3\u30c8\u306b\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u8a2d\u5b9a\u3057setViewState\u3092\u901a\u3058\u3066\u5024\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306esetViewState\u3092\u884c\u3046\u6761\u4ef6\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u7279\u5b9a\u30a8\u30ea\u30a2\u5916\u306b\u51fa\u305f\u6642\u306fviewState\u3092\u66f4\u65b0\u3057\u306a\u3044\uff08\u52d5\u304b\u3055\u306a\u3044\uff09\u306a\u3069\u306e\u51e6\u7406\u3092\u4f7f\u3044\u304b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001\u6700\u521d\u306b\u5236\u9650\u3059\u308b\u9818\u57df\u306e\u30dd\u30ea\u30b4\u30f3\u3092\u4f5c\u6210\u3057\u3066\u304a\u304d\u3001turf.js\u3092\u7528\u3044\u3066\u753b\u9762\u306e\u4e2d\u592e\u306e\u4f4d\u7f6e\u304c\u9818\u57df\u5185\u306b\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u9818\u57df\u5916\u306b\u51fa\u308b\u5834\u5408\u306fviewState\u3092\u66f4\u65b0\u3057\u306a\u3044\u3068\u3044\u3046\u51e6\u7406\u3092\u304a\u3053\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:js decode:true \">&lt;DeckGL\n    viewState={viewState}\n    onViewStateChange={(v) =&gt; {\n        \/\/\u753b\u9762\u4e2d\u592e\u306e\u7def\u5ea6\u7d4c\u5ea6\u3092\u53d6\u5f97\n        const center = [v.viewState.longitude, v.viewState.latitude];\n        \/\/\u5236\u9650\u30a8\u30ea\u30a2\u5185\u306bcenter\u304c\u5c45\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3001\u30a8\u30ea\u30a2\u5916\u3060\u3063\u305f\u5834\u5408\u306fsetViewState\u3092\u884c\u308f\u306a\u3044\n        if (!booleanPointInPolygon(center, extent_area)) return null;\n        \/\/\u30a8\u30ea\u30a2\u5185\u3060\u3063\u305f\u5834\u5408\u306fviewSate\u3092\u66f4\u65b0\n        setViewState(v.viewState);\n    }}\n\/&gt;<\/pre><\/div>\n\n\n\n<p>\u4eca\u56de\u306f\u5358\u7d14\u306a\u56db\u89d2\u5f62\u306e\u30dd\u30ea\u30b4\u30f3\u3067\u5236\u9650\u9818\u57df\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u304c\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5186\u5f62\u306b\u3057\u305f\u308a\u30ba\u30fc\u30e0\u30ec\u30d9\u30eb\u306b\u5fdc\u3058\u3066\u5236\u9650\u30a8\u30ea\u30a2\u3092\u5909\u3048\u308b\u306a\u3069\u7d30\u304b\u306a\u6761\u4ef6\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u306fdeck.gl Advent Calen&hellip;<\/p>\n","protected":false},"author":1,"featured_media":7870,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73,1],"tags":[],"class_list":["post-7868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-deck-gl","category-other","has-post-thumbnail-archive"],"_links":{"self":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/7868","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=7868"}],"version-history":[{"count":3,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/7868\/revisions"}],"predecessor-version":[{"id":7873,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/7868\/revisions\/7873"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media\/7870"}],"wp:attachment":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media?parent=7868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/categories?post=7868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/tags?post=7868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}