LWGEOM_asEWKT()

Datum LWGEOM_asEWKT

(

PG_FUNCTION_ARGS

)

Definition at line 2322 of file lwgeom_functions_basic.c.

References dumpnode::geom, LWGEOM_azimuth(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_to_wkt(), PG_FUNCTION_INFO_V1(), and WKT_EXTENDED.

Referenced by LWGEOM_setpoint_linestring().

{
        GSERIALIZED *geom;
        LWGEOM *lwgeom;
        char *wkt;
        size_t wkt_size;
        text *result;

        POSTGIS_DEBUG(2, "LWGEOM_asEWKT called.");

        geom = PG_GETARG_GSERIALIZED_P(0);
        lwgeom = lwgeom_from_gserialized(geom);

        /* Write to WKT and free the geometry */
        wkt = lwgeom_to_wkt(lwgeom, WKT_EXTENDED, DBL_DIG, &wkt_size);
        lwgeom_free(lwgeom);

        /* Write to text and free the WKT */
        result = cstring2text(wkt);
        pfree(wkt);

        /* Return the text */
        PG_FREE_IF_COPY(geom, 0);
        PG_RETURN_TEXT_P(result);
}

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