describe method

String describe()

One line naming the pair, its size on screen, and its distance.

Implementation

String describe() {
  String label(Node? node) =>
      node == null ? '(unnamed)' : "'${debugNodePath(node)}'";
  return '${label(nodeA)} and ${label(nodeB)} trade $pixelCount pixels '
      'at ${distance.toStringAsFixed(distance < 10 ? 1 : 0)} m';
}