sfcgal_straight_skeleton()

Datum sfcgal_straight_skeleton

(

PG_FUNCTION_ARGS

)

Definition at line 414 of file postgis/lwgeom_sfcgal.c.

References gserialized_get_srid(), PG_FUNCTION_INFO_V1(), POSTGIS2SFCGALGeometry(), sfcgal_approximate_medial_axis(), sfcgal_postgis_init(), and SFCGALGeometry2POSTGIS().

Referenced by sfcgal_force_lhr().

{
        GSERIALIZED *input, *output;
        sfcgal_geometry_t *geom;
        sfcgal_geometry_t *result;
        srid_t srid;

        sfcgal_postgis_init();

        input = PG_GETARG_GSERIALIZED_P(0);
        srid = gserialized_get_srid(input);
        geom = POSTGIS2SFCGALGeometry(input);
        PG_FREE_IF_COPY(input, 0);

        result = sfcgal_geometry_straight_skeleton(geom);
        sfcgal_geometry_delete(geom);

        output = SFCGALGeometry2POSTGIS(result, 0, srid);
        sfcgal_geometry_delete(result);

        PG_RETURN_POINTER(output);
}

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