4 ms·
Isn't another issue also that WGS-84 is fixed globally, which'd mean that due to continental drift, local coordinates would be constantly shifting? Whereas the
by iggldiggl 4y ago
Isn't another issue also that WGS-84 is fixed globally, which'd mean that due to continental drift, local coordinates would be constantly shifting? Whereas the current local grids are usually fixed with regards to the local continental plate, so coordinates remain relatively stable-ish because the whole local grid moves together with the continental plate.
- lmc 4y agoI was thinking about mentioning that... yes! Construction on this project began 13 years ago so it needs to be taken into consideration. A similar project in Australia would've seen a drift of up to several metres in this time [0]. Europe has another angular CRS for this reason [1]. [0]: https://theconversation.com/australia-on-the-move-how-gps-keeps-up-with-a-continent-in-constant-motion-71883 https://theconversation.com/australia-on-the-move-how-gps-ke... [1]: https://www.killetsoft.de/t_1009_e.htm https://www.killetsoft.de/t_1009_e.htm