[mapserver-users] Reprojection from ETRS89 to ED5030

Till Adams adams at terrestris.de
Wed Dec 2 06:47:37 PST 2009


David,

did you define the epsg the WMS should be valid for in the wms metadata 
section ?
Should be like this:

  'WMS_SRS' 'epsg:23030 epsg:25830'

If you have the direct getMap request and you didn't do the above, 
mapserver reports an error like
"projection library error. no system list,errno: 2"



Regards, Till
> Hi everyone!
>
> I have some problems to reproject WMS service from ETRS89 to ED5030 in tools
> like ArcGis or gvSIG. I´ve defined all the layers with PROJECTION 25830
> (ETRS89).
>
> As majority knows there is an internal mapserver´s file called epsg
> (\ms4w\proj\nad) where It´s possible to define diferents reprojections. The
> definition line to define reprojection from ED5030 to ETRS89 is the
> following one in my server:
>
> <23030> +proj=utm +zone=30 +ellps=intl +towgs84=-87,-98,-121,0,0,0,0
> +units=m +nadgrids=sped2et.gsb +no_defs <>
>
> Therefore I suppose I have to change this line to inverse reprojection (from
> ETRS89 to ED5030):
>
> <25830> +proj=utm +zone=30 +ellps=GRS80 +units=m +no_defs  <>
>
> ,but I have no clue about it.
>
> Any ideas?
>
> Thanks in advance.
>
> David
>
>
>   


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