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I'm tring to convert some CityGML to b3dm tiles. Source data in EPSG:3857 - center is x=4183074.86, y=7496562.311 but tilles in output get some strange values: x=2855853.53, y=2197566.80. How to save the 3857 coordinates?

  • April 29, 2021
  • 2 replies
  • 43 views

I'm tring to convert some CityGML to b3dm tiles. Source data in EPSG:3857 - center is x=4183074.86, y=7496562.311 but tilles in output get some strange values: x=2855853.53, y=2197566.80. How to save the 3857 coordinates?

2 replies

daveatsafe
Safer
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  • Safer
  • 1637 replies
  • April 29, 2021

Hi @nk_geolcom​ ,

 

Cesium 3D Tiles need to be supplied in an ECEF coordinate system, so FME will automatically convert when writing. You can find more information on ECEF at https://en.wikipedia.org/wiki/ECEF.


  • Author
  • 1 reply
  • April 30, 2021

Thank you!

I see - it's FME writer setting 😕