[PROJ] Vertical Transformations?

[Andrew Bell]

On Wed, Feb 20, 2019 at 9:06 AM Even Rouault <even.rouault at spatialys.com>
wrote:

> On mercredi 20 février 2019 08:12:34 CET Greg Troxel wrote:
> > Even Rouault <even.rouault at spatialys.com> writes:
> > > With the vertconc.gtx grid available, you'll get
> > >
> > > $ echo "45 -100 100" | cs2cs -f "%.8f" EPSG:7406 EPSG:5500
> > > 44.99998071 -100.00039555 30.85853056
> > >
> > > Without it, you'll get just us-ft to metre for the vertical part:
> > > 44.99998071 -100.00039555 30.48006096
> >
> > With the grids being in separate distribution files, it seems easy to
> > end up with them not installed.
>
> Yes, but as the number of grids is growing over time, putting them in a
> single
> package would be an annoyance for people who have local needs.
>

People have so much bandwidth and space now...

Perhaps it would be good to have the default be everything and allow a
reduced set to be available for those who need that?

-- 
Andrew Bell
andrew.bell.ia at gmail.com
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