vuhung3990 vuhung3990
vuhung3990
/ degrees2meters.js
Created
August 3, 2021 00:34
— forked from onderaltintas/degrees2meters.js
javascript coordinate conversions between 900913(3857) - 4326(lat lon)
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| var degrees2meters = function(lon,lat) { | |
| var x = lon * 20037508.34 / 180; | |
| var y = Math.log(Math.tan((90 + lat) * Math.PI / 360)) / (Math.PI / 180); | |
| y = y * 20037508.34 / 180; | |
| return [x, y] | |
| } | |
| //test | |
| lon= -77.035974 | |
| lat = 38.898717 |