[udig-devel] Class IGeoResourceInfo

[Jesse Eichar]

  I think we use to WKT to display the crs information.

Jesse
On 29-May-08, at 12:10 PM, iomeneandrei wrote:

>
> Hi all,
> we are using IGeoResourceInfo class to get the CRS of a layer.
> We are using this kind of code:
> public String getCRS(ILayer l){
>        String s_crs="";
>        IGeoResource resource = l.getGeoResource();
>        try {
>            IGeoResourceInfo info = resource.getInfo( new
> NullProgressMonitor() );
>            System.out.println("Info.getCRS:"+info.toString());
>            CoordinateReferenceSystem crs=info.getCRS();
>            s_crs = crs.toString();
>        } catch (IOException e) {
>            // TODO Auto-generated catch block
>            e.printStackTrace();
>        }
>        return s_crs;
>    }
>
> If I print the CRS inside eclipse I have:
>
> PROJCS["ED50 / UTM zone 33N",
>  GEOGCS["ED50",
>    DATUM["D_European_1950",
>      SPHEROID["International_1924", 6378388.0, 297.0]],
>    PRIMEM["Greenwich", 0.0],
>    UNIT["degree", 0.017453292519943295],
>    AXIS["Lon", EAST],
>    AXIS["Lat", NORTH]],
>  PROJECTION["Transverse_Mercator"],
>  PARAMETER["central_meridian", 15.0],
>  PARAMETER["latitude_of_origin", 0.0],
>  PARAMETER["scale_factor", 0.9996],
>  PARAMETER["false_easting", 500000.0],
>  PARAMETER["false_northing", 0.0],
>  UNIT["m", 1.0],
>  AXIS["x", EAST],
>  AXIS["y", NORTH]]
>
> If I make in udig right click on this layer, and select Properties I  
> have:
>
> PROJCS["ED50 / UTM zone 33N",
>  GEOGCS["ED50",
>    DATUM["European_Datum_1950",
>      SPHEROID["International 1924", 6378388.0, 297.0,
> AUTHORITY["EPSG","7022"]],
>      AUTHORITY["EPSG","6230"]],
>    PRIMEM["Greenwich", 0.0, AUTHORITY["EPSG","8901"]],
>    UNIT["degree", 0.017453292519943295],
>    AXIS["Lon", EAST],
>    AXIS["Lat", NORTH],
>    AUTHORITY["EPSG","4230"]],
>  PROJECTION["Transverse_Mercator"],
>  PARAMETER["central_meridian", 15.0],
>  PARAMETER["latitude_of_origin", 0.0],
>  PARAMETER["scale_factor", 0.9996],
>  PARAMETER["false_easting", 500000.0],
>  PARAMETER["false_northing", 0.0],
>  UNIT["m", 1.0],
>  AXIS["x", EAST],
>  AXIS["y", NORTH],
>  AUTHORITY["EPSG","23033"]]
>
> It seems the some, but there is a difference is in the last record,  
> in which
> I can read the EPSG code.
> Is it normal that these infos are different? If yes how can I read  
> inside
> eclipse the some info I can read in UDig?
>
> I'm attaching the shapefile I have used to make this test.
>
> Thank you,
>
> Andrea
>
> http://www.nabble.com/file/p17532399/test.zip test.zip
>
> -----
> Andrea Borruso
>
> ----------------------------------------------------
> email: aborruso at tin.it
> blog: http://blog.spaziogis.it
> ----------------------------------------------------
> -- 
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>
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