[Proj] datum does not change?

Frank Warmerdam fwarmerdam at gmail.com
Mon Mar 21 15:53:58 EST 2005

On Mon, 21 Mar 2005 21:03:40 +0100, Robert Jaeschke <robert-j at gmx.de> wrote:
> Hello,
> Why do I always get the same result? Changing the datum doesn't seem to
> have an effect on the output? I expect something that is much nearer to
> "12d10'27.403"E  51d41'38.33"N" than the result below.
> Thank you for your help!
> Robert Jaeschke


The proj and invproj commands do not utilize datum information. If
you want to convert locations between two datums you will need
to use the cs2cs commandline program.  The proj and invproj
programs stick strictly to the projection<->lat/long conversion on the
stated ellipsoid. 

Best regards,
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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