private Iterable<GridPoint> allPoints() {
		Stream<GridPoint> vPoints = vertexPoints.values().stream();
		Stream<GridPoint> ePoints = edgePoints.values().stream().flatMap(l -> l.stream());
		Stream<GridPoint> streams = Stream.concat(vPoints, ePoints);
		return () -> streams.iterator();
	}
Creates a string representation of this grid
@return a string representation of this grid
Ghidra/Framework/Graph/src/main/java/ghidra/graph/viewer/layout/GridLocationMap.java