ST_MakeValid()

Datum ST_MakeValid

(

PG_FUNCTION_ARGS

)

Definition at line 43 of file postgis/lwgeom_geos_clean.c.

{
        GSERIALIZED *in, *out;
        LWGEOM *lwgeom_in, *lwgeom_out;
 
        in = PG_GETARG_GSERIALIZED_P_COPY(0);
        lwgeom_in = lwgeom_from_gserialized(in);
 
        POSTGIS_DEBUG(1, "ST_MakeValid enter");
 
        switch ( lwgeom_in->type )
        {
        case POINTTYPE:
        case MULTIPOINTTYPE:
        case LINETYPE:
        case POLYGONTYPE:
        case MULTILINETYPE:
        case MULTIPOLYGONTYPE:
        case COLLECTIONTYPE:
                break;
 
        default:
                lwpgerror("ST_MakeValid: unsupported geometry type %s",
                        lwtype_name(lwgeom_in->type));
                PG_RETURN_NULL();
                break;
        }
 
        lwgeom_out = lwgeom_make_valid(lwgeom_in);
        if ( ! lwgeom_out )
        {
                PG_FREE_IF_COPY(in, 0);
                PG_RETURN_NULL();
        }
 
        out = geometry_serialize(lwgeom_out);
 
        PG_RETURN_POINTER(out);
}

References COLLECTIONTYPE, LINETYPE, lwgeom_from_gserialized(), lwgeom_make_valid(), lwtype_name(), MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, POINTTYPE, POLYGONTYPE, and LWGEOM::type.

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