[gdal-dev] natgrids option in /usr/share/proj/epsg entry?

[Sven Geggus]

Dear List,

I have a problem which is related to the one I had in summer.

While it works fine using the +nadgrids option on the command line of
gdal tools (with +wktext added) it does not seem to work when added
ad an entry to /usr/share/proj/epsg.

The nadgrids Option is ignored in this case which I can verify using
strace.

So what would I need to add to /usr/share/proj/epsg to get the
behaviour of the following command line argument:

'+proj=tmerc +lat_0=0 +lon_0=12 +x_0=4500000 +y_0=0 +k=1.000000 +ellps=bessel +units=m +nadgrids=/usr/share/proj/BETA2007.gsb +wktext'

Here is the entry which does not work:

# DHDN / Gauss-Kruger zone 4
<31468> +proj=tmerc +lat_0=0 +lon_0=12 +x_0=4500000 +y_0=0 +k=1.000000 +ellps=bessel +units=m +nadgrids=/usr/share/proj/BETA2007.gsb +no_defs  <>


Sven

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