[PROJ] "eck_greif" projection, "libproject"?

Nyall Dawson nyall.dawson at gmail.com
Wed Mar 4 15:02:52 PST 2020


On Thu, 5 Mar 2020 at 08:11, Even Rouault <even.rouault at spatialys.com> wrote:

>
> And when comparing hammer.cpp with EckertGreifendorffProjection.java, it seems
> Eckert-Greifendorff is actually just "+proj=hammer +W=0.25 +m=1"

Thanks, that's very helpful!

And FWIW, it turns out this is already documented:
https://proj.org/operations/projections/hammer.html#cmdoption-arg-w !

Nyall


>
> End of treasure hunt :-)
>
> (but there must another libproj4 or whatever variant name archive somewhere!)
>
> Even
>
> --
> Spatialys - Geospatial professional services
> http://www.spatialys.com


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