Method why_coll

geometry.py:336–363

Why points are connected to self.

(self, points: list[Point], level: int = None)

    return Direction()

  def why_coll(self, points: list[Point], level: int = None) -> list[Any]:
    """Why points are connected to self."""
    level = level or float('inf')

    groups = []
    for p in points:
      group = [
          l
          for l, d in self.edge_graph[p].items()
          if d is None or d.level < level
      ]
      if not group:
        return None
      groups.append(group)

    min_deps = None
    for line in groups[0]:
      deps, others = line.why_equal_groups(groups[1:], level)
      if deps is None:
        continue
      for p, o in zip(points, [line] + others):
        deps.append(self.edge_graph[p][o])
      if min_deps is None or len(deps) < len(min_deps):
        min_deps = deps

    if min_deps is None:
      return None
    return [d for d in min_deps if d is not None]


class Segment(Node):