[OpenLayers-Users] Google and GML layer

[Arnd Wippermann]

Hi,

to transform my data from EPSG:31466 to EPSG:900913 with ogr2ogr, I have
experienced the same shift. After some search i found this "Add 900913 EPSG
code to cubewerks_extra file" (http://trac.osgeo.org/gdal/ticket/1868) and
tried this. Now the reprojection returns the right values.

With MapServer WFS I had no problem to retrieve the right values after
adding 900913 to the epsg-file, also using ogr as connection to an odbc-db.

Arnd Wippermann
http://gis.ibbeck.de/ginfo/


Yves Jacolin wrote:
> 
> Le Thursday 06 December 2007 14:58:46 Christopher Schmidt, vous avez
> écrit :
>> On Thu, Dec 06, 2007 at 02:54:46PM +0100, Jacolin Yves wrote:
>> > Hi,
>> >
>> > One ofmy friend is trying to create a map with a Google layer as
>> > baseLayer and he added a GML layer. I converted his shapefile from
>> WGS84
>> > to
>> > SphericalMercator with ogr then he converted it in GML file.
>> >
>> > The map is ok except for the GML layer where there is still an
>> y-offset.
>> > Do you know what we forgot to do?
>>
>> My first instinct would be to blame your transformation. How did you
>> transform it from 4326 to spherical mercator?
>>
>> Regards,
> 
> Something like this : 
> 
> ogr2ogr -f "ESRI Shapefile" -t_srs "+proj=merc +a=6378137 +b=6378137 
> +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null 
> +no_defs" -s_srs "EPSG:4326" Mono2006_2.shp Mono2006_region.shp
> 
> Am I wrong?
> 
> Y.
> -- 
> Yves Jacolin
> ---
> http://softlibre.gloobe.org
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> 
> 

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