Attributes {
    objectid {
        Float32 pointwidth 0.0;
        Int32 gridtype 0;
        String units "unitless";
    }
    int_dobjectid {
        String PGtype "int4";
        String long_name "Object id";
        String units "unitless";
    }
NC_GLOBAL {
    String Conventions "IRIDL";
}
}