"(Our backend servers ) uses the Haversine formula to calculate the distance with a radius for the Earth which appears to be an average between the equatorial radius and the polar radius (6367000)"

ingress

rgfx のブックマーク 2021/05/21 10:55

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://b.hatena.ne.jp/entry/4702930289967378402/comment/rgfx" data-user-id="rgfx" data-entry-url="https://b.hatena.ne.jp/entry/s/community.ingress.com/en/discussion/15117/how-big-is-the-earth" data-original-href="https://community.ingress.com/en/discussion/15117/how-big-is-the-earth" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fcommunity.ingress.com%2Fen%2Fdiscussion%2F15117%2Fhow-big-is-the-earth" data-user-icon="/users/rgfx/profile.png">how big is the earth?</a><ul class="comment-tag" style="list-style: none; margin: 0px;"><li style="float: left">[<a href="https://b.hatena.ne.jp/q/ingress">ingress</a>]</li></ul><br><p style="clear: left">&quot;(Our backend servers ) uses the Haversine formula to calculate the distance with a radius for the Earth which appears to be an average between the equatorial radius and the polar radius (6367000)&quot;</p><a class="datetime" href="https://b.hatena.ne.jp/rgfx/20210521#bookmark-4702930289967378402"><span class="datetime-body">2021/05/21 10:55</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

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