[gdal-dev] New OGC standard about WKT for projections

[Even Rouault]

Quoting Jukka Rahkonen <jukka.rahkonen at maanmittauslaitos.fi>:

> Hi,
>
> There seems to be a new OGC (and ISO) standard "Geographic information -
> Well-known text representation of coordinate reference systems"
>
> http://docs.opengeospatial.org/is/12-063r5/12-063r5.html

On a quick look, one thing that struck me is that there will no longer be any
direct equivalent of TOWGS84. AFAIU, the BOUNDCRS concept which can embrace the
concept of TOWGS84 through a Coordinate Frame method is to be used when the
transform to the TARGETCRS has already been done and document what was the
SOURCRS and the transformation applied. There's also the COORDINATEOPERATION
which can contain more or less same information but this doesn't describe a CRS
itself.

We'll see how it will be adopted. Was considered for GeoPackage at a time AFAIR,
but they switch backed to old WKT spec, the new one not being ready.

>
> -Jukka Rahkonen-
>
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