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I have data stored in SQL Server 2012 in EPSG:4326. I need to display this data on a google map in 3857. but without an ST_Transform function, I cannot determine how to convert my data on the fly to 3857 to display them properly.

Thanks in advance!

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turned out it was easier to load the data into SpatialLite, transform to 3857 and then transfer to SQL Server 2012.

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After weeks of trying to solve this same problem, this amazing set of code samples absolutely saved me:

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