public static Tuple <List <List <int> >, List <List <int[]> > > BrepBFS(Brep brep, string startIndex = "0")
{
UndirectedGraphBfs g = new UndirectedGraphBfs(brep.Faces.Count);
for (int i = 0; i < brep.Faces.Count; i++)
{
g.InsertVertex(i.ToString());
}
int[][] ef = brep.GetEdgeFaces();
for (int i = 0; i < ef.Length; i++)
{
int[] f = ef[i];
if (f.Length == 2)
{
g.InsertEdge(f[0].ToString(), f[1].ToString());
//Rhino.RhinoApp.WriteLine("Hi");
}
}
//Output
List <List <int> > gNodes = g.BfsTraversal_All(startIndex);
List <List <int[]> > gEdges = g.EdgesAll;
return(new Tuple <List <List <int> >, List <List <int[]> > >(gNodes, gEdges));
}
public static Tuple <List <List <int> >, List <List <int[]> > > MeshBFS(Mesh mesh, string startIndex = "0")
{
UndirectedGraphBfs g = new UndirectedGraphBfs(mesh.Ngons.Count);
if (mesh.Ngons.Count > 0)
{
for (int i = 0; i < mesh.Ngons.Count; i++)
{
g.InsertVertex(i.ToString());
}
List <int>[] adj = mesh.GetNGonFaceAdjacency();
for (int i = 0; i < adj.Length; i++)
{
foreach (int j in adj[i])
{
g.InsertEdge(i.ToString(), j.ToString());
}
}
}
else
{
for (int i = 0; i < mesh.Faces.Count; i++)
{
g.InsertVertex(i.ToString());
}
for (int i = 0; i < mesh.Faces.Count; i++)
{
int[] adj = mesh.Faces.AdjacentFaces(i);
foreach (int j in adj)
{
g.InsertEdge(i.ToString(), j.ToString());
}
}
}
//Output
List <List <int> > gNodes = g.BfsTraversal_All(startIndex);
List <List <int[]> > gEdges = g.EdgesAll;
return(new Tuple <List <List <int> >, List <List <int[]> > >(gNodes, gEdges));
}