Question

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?

4 years ago
April 29, 2021
2 replies
31 views

nk_geolcom
1 reply

+19

daveatsafe
Safer
1630 replies
4 years ago
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.

nk_geolcom
Author
1 reply
4 years ago
April 30, 2021

Thank you!

I see - it's FME writer setting 😕

Reply

Rich Text Editor, editor1

Cookie policy

We use cookies to enhance and personalize your experience. If you accept you agree to our full cookie policy. Learn more about our cookies.

Cookie settings

We use 3 different kinds of cookies. You can choose which cookies you want to accept. We need basic cookies to make this site work, therefore these are the minimum you can select. Learn more about our cookies.

Basic
Functional

Normal
Functional + analytics

Complete
Functional + analytics + social media + embedded videos + marketing

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?