[PROJ] Reviews requested: On GDA2020, PROJ 6 and QGIS

Thomas Knudsen knudsen.thomas at gmail.com
Tue Jul 30 04:37:05 PDT 2019

Nyall, I am on vacation right now, and have not had time to read all your
work (although at a first glance, it looks excellent). I have, however,
added suggested changes correcting the actual  chronology of PROJ
development (pipelines and geodetic building bricks arriving in PROJ v 5,
and the results of the GDAL barn raising in v 6).

I have also added references to the two conference papers introducing the
pipeline operator: Kristian Evers did the presentation for the surveying
crowd during FIG working week, 2017, while I introduced pipelines to the
geodesy/geoinformatics crowd during European Geosciences Union General
Assembly, also in the spring of 2017.

I have allowed myself to put the reference to the "Knudsen and Evers" paper
before the "Evers and Knudsen" one. This is solely to assert my academic
priority as the designer and implementer of the PROJ pipeline concept.
While unimportant to my current "operational geodesist"-role, it is of
importance to my prior (and perhaps future) "research geodesist"-role. Feel
free to change the order if this seems like too much vanity for an
otherwise perfectly fine day :-)


Den tir. 30. jul. 2019 kl. 02.21 skrev Nyall Dawson <nyall.dawson at gmail.com

> On Mon, 29 Jul 2019 at 20:20, Kristian Evers <kreve at sdfe.dk> wrote:
> >
> > Nyall,
> >
> > I think you've wrapped up you experiences very nicely. In fact, I think
> what you've
> > written is a great introduction to the intricacies of using the PROJ
> API. With a bit of
> > modification it could serve as a chapter in the API documentation, if
> you'd be
> > willing to let use it, that is :-)
> Thanks for the kind words! I'd certainly be open to re-use of any part
> of this within the PROJ API documentation.
> > As you've seen, I have suggested a few changes and commented on some
> minor
> > details. All in all it is a very well-written document that explains
> nicely what you
> > have learned in the process of adopting the new PROJ API into QGIS. Good
> job!
> Great, thanks reviewing Kristian -- it's VERY much appreciated! I've
> revised based on your feedback now.
> Nyall
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