lwgeom_to_gml2()

char * lwgeom_to_gml2 ( const LWGEOM *  geom, const char *  srs, int  precision, const char *  prefix  )

extern

VERSION GML 2 takes a GEOMETRY and returns a GML2 representation.

Definition at line 231 of file lwout_gml.c.

{
        int type = geom->type;
 
        /* Return null for empty (#1377) */
        if ( lwgeom_is_empty(geom) )
                return NULL;
 
        switch (type)
        {
        case POINTTYPE:
                return asgml2_point((LWPOINT*)geom, srs, precision, prefix);
 
        case LINETYPE:
                return asgml2_line((LWLINE*)geom, srs, precision, prefix);
 
        case POLYGONTYPE:
                return asgml2_poly((LWPOLY*)geom, srs, precision, prefix);
 
        case MULTIPOINTTYPE:
        case MULTILINETYPE:
        case MULTIPOLYGONTYPE:
                return asgml2_multi((LWCOLLECTION*)geom, srs, precision, prefix);
 
        case COLLECTIONTYPE:
                return asgml2_collection((LWCOLLECTION*)geom, srs, precision, prefix);
 
        case TRIANGLETYPE:
        case POLYHEDRALSURFACETYPE:
        case TINTYPE:
                lwerror("Cannot convert %s to GML2. Try ST_AsGML(3, <geometry>) to generate GML3.", lwtype_name(type));
                return NULL;
 
        default:
                lwerror("lwgeom_to_gml2: '%s' geometry type not supported", lwtype_name(type));
                return NULL;
        }
}

References asgml2_collection(), asgml2_line(), asgml2_multi(), asgml2_point(), asgml2_poly(), COLLECTIONTYPE, LINETYPE, lwerror(), lwgeom_is_empty(), lwtype_name(), MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, precision, TINTYPE, TRIANGLETYPE, and LWGEOM::type.

Referenced by do_gml2_test(), do_gml2_test_prefix(), do_gml2_unsupported(), geography_as_gml(), and LWGEOM_asGML().

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