[gdal-dev] Re: Slovenia vector data reprojection issue

[Markus Neteler]

Hi,

(back to an old problem)

On Fri, Jul 24, 2009 at 4:31 PM, Markus Neteler <neteler at osgeo.org> wrote:
> Hi,
>
> I am trying to reproject Slovenian country data from D48 (WKT attached)
> and Italian ISTAT national vector data (UTM32/ED50) into a common
> projection.
>
> While the map "attach" rather well in Latlong/WGS84 using GDAL 1.6.svn,
> they don't in EU LAEA (EPSG 3035). This is a bit suprising for me.
> Any trick to get this done?
>
> The input SHAPE files have each a .prj file (attached), the target SRS
> I request by -t_srs epsg:4326 or -t_srs epsg:3035.
>
> My preferred SRS would be EU LAEA to match the EU CORINE data.

It appears to be a bug in GDAL.
If I do

* SLO -> EU LAEA
  the result is shifted, apparently the TOWGS84 in epsgD48_3787.prj is
not applied.

If I do instead:
* SLO -> LL -> EU LAEA
  the result is "perfect".


Worth a bug report?

Best,
Markus
-------------- next part --------------
A non-text attachment was scrubbed...
Name: epsgD48_3787.prj
Type: application/octet-stream
Size: 680 bytes
Desc: not available
Url : http://lists.osgeo.org/pipermail/gdal-dev/attachments/20100331/d8d6189a/epsgD48_3787.obj
-------------- next part --------------
A non-text attachment was scrubbed...
Name: eu_etrs89_laea.prj
Type: application/octet-stream
Size: 341 bytes
Desc: not available
Url : http://lists.osgeo.org/pipermail/gdal-dev/attachments/20100331/d8d6189a/eu_etrs89_laea.obj