@Override
	public String toString() {
		return "(r=" + row + ",c=" + col + ")";
	}
Row and column information for points in a {@link GridLocationMap}. Using these instead
of java Points, makes the code that translates from grid space to layout space much less
confusing.
Ghidra/Framework/Graph/src/main/java/ghidra/graph/viewer/layout/GridPoint.java