Comments (1)
chrisveness
commented on August 29, 2024
Thanks for that heads up – at some point I will educate myself better on the ins and outs of OSGM. I wasn't aware of OSTN02 being replaced by OSTN15.
However, OSGM relates to far higher precision geodesy than anything covered by my scripts. Rather than a simple (!) 7-parameter Helmert transformation, it involves individual transformation deltas at each point on a 1km grid (loadsadata!).
I am actually planning some extensions to my geodesy functions to add modern TRFs to the existing (essentially historical) datums, but even those are unlikely to cover OSTN transformations.
Unfortunately I'm just an amateur in these matters!
from geodesy.
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from geodesy.