[Proj] Re: Proj Digest, Vol 53, Issue 12

[Jay Hollingsworth]

The EPSG online registry is at http://www.epsg-registry.org/




Jay

At 11:00 AM 10/14/2008, you wrote:
>Date: Sat, 11 Oct 2008 14:18:45 +0200
>From: Kristian Thy <thy at 42.dk>
>Subject: Re: [Proj] EPSG:28992 to EPSG:23031 conversion
>To: proj at lists.maptools.org
>Message-ID: <20081011121845.GC22531 at 42.dk>
>Content-Type: text/plain; charset=iso-8859-1
>
>On Thu, Oct 09, Mikael Rittri wrote:
> > I looked in the EPSG database and found three 
> transformations that could be useful.
> >
> > Name               | Code | Accuracy | Parameters for cs2cs
> > ED50 to WGS 84 (1) | 1133 |   10 m   | +towgs84=-87,-98,-121
> > ED50 to WGS 84 (2) | 1134 |    6 m   | +towgs84=-87,-96,-120
> > ED50 to WGS 84 (32)| 1999 |    3 m   | 
> +towgs84=-83.11,-97.38,-117.22,0.005693,-0.04469,0.04428,1.218
>
>Newbie question - where would one look to find these numbers? I am aware
>of the EPSG file that ships with for instance mapserver, but where can I
>find the database you used here?
>
>\\kristian
>--
>... et nemo ex vobis interrogat me: »Quo vadis?«


Jay Hollingsworth

Seabed Portfolio Manager and
Principal Data Architect
Schlumberger Information Solutions
phone: 713 513 8854 fax: 713 513 2093