/// <summary>
/// Creates a new subgraph of the given <see cref="PlanarGraph" />.
/// </summary>
/// <param name="parentGraph"></param>
public Subgraph(PlanarGraph parentGraph)
{
this.parentGraph = parentGraph;
}
/// <summary>
/// Creates a new subgraph of the given <see cref="PlanarGraph" />.
/// </summary>
/// <param name="parentGraph"></param>
public Subgraph(PlanarGraph parentGraph)
{
this.parentGraph = parentGraph;
}