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convert from long/lat to google mercator (or EPSG:4326 to EPSG:900913)
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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] | |
| } | |
| x= -77.035974 | |
| y = 38.898717 | |
| console.log(degrees2meters(x,y)) | |
| // should result in: -8575605.398444, 4707174.018280 |
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