On Thu, Apr 17, 2014 at 1:12 PM, Attila Berenyi <
[email protected]> wrote:
> Hi,
>
>
>
> I have been struggling with this problem for quite a some time now.
>
>
>
> In a nutshell:
>
> 1. I have defined a custom ED50 UTM 31N (EPSG:23031) projection in the
> epsg_overrides.properties file (replaced the original TOWGS84 parameter set
> with TOWGS84[-89.5, -93.8, -123.1, 0.0, 0.0, -0.156, 1.2]).
>
> 2. If I check the TOWGS84 parameter using the SRS list or the
> Reprojection console it shows the correct numbers.
>
> 3. However, testing the parameters using the Reprojection console
> keeps failing. The ‘Show transformation details’ window shows the
> ‘original’ parameters (PARAMETER["dx", -116.641], PARAMETER["dy", -56.931],
> PARAMETER["dz", -110.559], PARAMETER["ex", 0.893], PARAMETER["ey", 0.921],
> PARAMETER["ez", -0.917], PARAMETER["ppm", -3.5200000000346066]) and not the
> ones I have defined in the epsg_overrides.properties.
>
Not sure why it's not working. You might want to try providing custom
transform params instead using epsg_operations.properties:
http://docs.geoserver.org/latest/en/user/advanced/crshandling/coordtransforms.html
Cheers
Andrea
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