vertices or crossings or nothing?
there's a white line running horizontaly in the lower right crossing 4 different outgoing white lines in 4 different points. should i mark every 4 points as a possible vertex?
no I wouldnt mark them as vertices.
Let me quote andy.haas scientist:
But I would not mark any of those as vertices. 2-track vertices are hard to be sure about. But in general I wouldn't mark them unless they're near other vertices and/or "pointing back towards the center", as if a neutral particle suddenly split into two equal +- charged particles ...
so in most of the time you can ignore those random white lines 😃
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