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Check whether the graph is planar #15

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zmactep opened this issue Feb 25, 2019 · 0 comments
Open

Check whether the graph is planar #15

zmactep opened this issue Feb 25, 2019 · 0 comments
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enhancement

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@zmactep
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zmactep commented Feb 25, 2019

Some algorithms like graph laying require planar graph, so it would be great to have a function to check graph planarity. We have several ways to make this, e.g.:

  1. K5 and K3/3 subgraph search
  2. Euler formula v + e - f = 2
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