WebMercator to Geographic and back gives a different point

Question

Hi,

Using WebMercatorUtils to convert a point from webmercator to geographic and then back to webmercator doesn't give the original value back. Any ideas why?

point1: {x: -27763769.230105422, y: -6212655.210572942}

webMercatorUtils.webMercatorToGeographic() on point1 returns point2

point2: {x: 110.5938175582902, y: -48.63203914410154}

webMercatorUtils.geographicToWebMercator() on point2 returns point3

point3: {x: 12311247.455472855, y: -6212655.210572806}

I was hoping point1 and point3 to be same but that doesn't seem to be the case.

Thanks!

DanPatterson · Answer

here are the images for various combinations from there.

so assuming this is correct... and you have checked your inputs

AmarG1 · Answer

I'm getting the same response from https://tool-online.com/en/coordinate-converter.php#

-Thanks

DanPatterson · Answer

That isn't due to a datum difference assuming your long/lat values are correct

You can confirm using an online calculator