docs: static void createRegularGrid( List<List<NodeInfo>> gridByRows , Grid g) {
  		g.reset();
  
  		g.columns = gridByRows.get(0).size();
  		g.rows = gridByRows.size();
  
  		for (int row = 0; row < g.rows; row++) {
  			List<NodeInfo> list = gridByRows.get(row);
  			for (int i = 0; i < g.columns; i++) {
  				g.ellipses.add(list.get(i).ellipse );
  			}
  		}
  	}