[gdal-dev] EPSG codes

[Norman Barker]

Hi,

I am trying to extract the EPSG code from the SpatialReference object as
follow;

            const char * pszEpsg;
            char **papszTokens;

            if (poSpatialRef->IsProjected())
                pszEpsg =
poSpatialRef->GetAttrNode("projcs")->GetNode("authority")->GetValue();
            else
                pszEpsg =
poSpatialRef->GetAttrNode("geogcs")->GetNode("authority")->GetValue();

It seems that GetAttrNode returns NULL even ogrinfo -so reports that this
is present.

Any ideas?

Thanks,

Norman

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