lwgeom_subdivide()

LWCOLLECTION* lwgeom_subdivide	(	const LWGEOM *	geom,
		uint32_t	maxvertices
	)

Definition at line 2439 of file lwgeom.c.

{
        static uint32_t startdepth = 0;
        static uint32_t minmaxvertices = 5;
        LWCOLLECTION *col;
 
        col = lwcollection_construct_empty(COLLECTIONTYPE, geom->srid, lwgeom_has_z(geom), lwgeom_has_m(geom));
 
        if ( lwgeom_is_empty(geom) )
                return col;
 
        if ( maxvertices < minmaxvertices )
        {
                lwcollection_free(col);
                lwerror("%s: cannot subdivide to fewer than %d vertices per output", __func__, minmaxvertices);
        }
 
        lwgeom_subdivide_recursive(geom, lwgeom_dimension(geom), maxvertices, startdepth, col);
        lwgeom_set_srid((LWGEOM*)col, geom->srid);
        return col;
}

References COLLECTIONTYPE, lwcollection_construct_empty(), lwcollection_free(), lwerror(), lwgeom_dimension(), lwgeom_has_m(), lwgeom_has_z(), lwgeom_is_empty(), lwgeom_set_srid(), lwgeom_subdivide_recursive(), and LWGEOM::srid.

Referenced by ST_Subdivide(), and test_geos_subdivide().

Here is the call graph for this function:

Here is the caller graph for this function: