LWGEOM_force_sfs()

Datum LWGEOM_force_sfs

(

PG_FUNCTION_ARGS

)

Definition at line 571 of file lwgeom_functions_basic.c.

References dumpnode::geom, geometry_serialize(), LWGEOM_closestpoint(), lwgeom_force_sfs(), lwgeom_from_gserialized(), and PG_FUNCTION_INFO_V1().

Referenced by LWGEOM_force_curve().

{
        GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
        GSERIALIZED *result;
        LWGEOM *lwgeom;
        LWGEOM *ogeom;
        text * ver;
        int version = 110; /* default version is SFS 1.1 */

        POSTGIS_DEBUG(2, "LWGEOM_force_sfs called");

        /* If user specified version, respect it */
        if ( (PG_NARGS()>1) && (!PG_ARGISNULL(1)) )
        {
                ver = PG_GETARG_TEXT_P(1);

                if  ( ! strncmp(VARDATA(ver), "1.2", 3))
                {
                        version = 120;
                }
        }

        lwgeom = lwgeom_from_gserialized(geom);
        ogeom = lwgeom_force_sfs(lwgeom, version);

        result = geometry_serialize(ogeom);

        PG_FREE_IF_COPY(geom, 0);

        PG_RETURN_POINTER(result);
}

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