LWGEOM_curve_segmentize()

Datum LWGEOM_curve_segmentize

(

PG_FUNCTION_ARGS

)

Definition at line 69 of file lwgeom_sqlmm.c.

References geometry_serialize(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_stroke(), PG_FUNCTION_INFO_V1(), and ST_CurveToLine().

Referenced by LWGEOM_has_arc().

{
        GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
        int32 perQuad = PG_GETARG_INT32(1);
        GSERIALIZED *ret;
        LWGEOM *igeom = NULL, *ogeom = NULL;

        POSTGIS_DEBUG(2, "LWGEOM_curve_segmentize called.");

        if (perQuad < 0)
        {
                elog(ERROR, "2nd argument must be positive.");
                PG_RETURN_NULL();
        }

        POSTGIS_DEBUGF(3, "perQuad = %d", perQuad);

        igeom = lwgeom_from_gserialized(geom);
        ogeom = lwgeom_stroke(igeom, perQuad);
        lwgeom_free(igeom);

        if (ogeom == NULL)
                PG_RETURN_NULL();

        ret = geometry_serialize(ogeom);
        lwgeom_free(ogeom);
        PG_FREE_IF_COPY(geom, 0);
        PG_RETURN_POINTER(ret);
}

Here is the call graph for this function:

Here is the caller graph for this function: