public void CreateGraph()
{
Mesh mesh = NGonsCore.MeshCreate.MeshFromPolylines(_polylines, 0.01);
//PolyMesh polyMesh = PolyMesh.CreateFromPolylines(_polylines);
//polyMesh.Weld(RhinoDoc.ActiveDoc.ModelAbsoluteTolerance, 123);
//1.2 Construct graph
_g = new UndirectedWeightedGraph(_polylines.Count);
//List<int>[] adj = polyMesh.Faces.GetAdjacencyMap();
List <int>[] adj = mesh.GetNGonFaceAdjacency();
for (int i = 0; i < _polylines.Count; i++)
{
_g.InsertVertex(i.ToString());
}
for (int i = 0; i < adj.Length; i++)
{
for (int j = 0; j < adj[i].Count; j++)
{
_g.InsertEdge(i.ToString(), adj[i][j].ToString(), 1);
}
}
}