[PROJ] Seeking clarification on PROJ support for temporal transformations

[Nyall Dawson]

On Wed, 28 Aug 2019 at 01:26, Even Rouault <even.rouault at spatialys.com> wrote:
> > But, if I understand correctly, WKT2:2018 would be the ultimate answer
> > to this, in that it would allow us to specify the epoch of a dataset
> > as an integral part of the data's CRS definition (which it is).
>
> Not sure to understand your "what it is", but pedantically, the epoch of the
> dataset is not part of the CRS definition. Anyway...

I concede this point -- the specs clearly are in your favour:

16.1: "Coordinate epoch is not part of a CRS definition, it is
additional metadata for the coordinates which is required to ensure
that they are unambiguous when referenced to a dynamic CRS."

Nyall

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