lwcollection_simplify()

LWCOLLECTION* lwcollection_simplify	(	const LWCOLLECTION *	igeom,
		double	dist,
		int	preserve_collapsed
	)

Definition at line 526 of file lwcollection.c.

References LWCOLLECTION::flags, FLAGS_GET_M, FLAGS_GET_Z, LWCOLLECTION::geoms, lwcollection_add_lwgeom(), lwcollection_construct_empty(), lwcollection_is_empty(), lwgeom_simplify(), LWCOLLECTION::ngeoms, LWCOLLECTION::srid, and LWCOLLECTION::type.

Referenced by lwgeom_simplify().

{
        int i;
        LWCOLLECTION *out = lwcollection_construct_empty(igeom->type, igeom->srid, FLAGS_GET_Z(igeom->flags), FLAGS_GET_M(igeom->flags));

        if( lwcollection_is_empty(igeom) )
                return out; /* should we return NULL instead ? */

        for( i = 0; i < igeom->ngeoms; i++ )
        {
                LWGEOM *ngeom = lwgeom_simplify(igeom->geoms[i], dist, preserve_collapsed);
                if ( ngeom ) out = lwcollection_add_lwgeom(out, ngeom);
        }

        return out;
}

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