public void Paint(GraphicsLayer.IGraphics g, int width, int height)
{
lock (_ModifyListsToken)
{
if (ParametersDirty)
{
var graph = new Algorithms.Graph(GetEdgeWeights());
var n = Vertices.Count;
for (int i = 0; i < Vertices.Count; i++)
{
Vertices[i].IsUniversal = graph.Degree(i) == n - 1;
}
ParametersDirty = false;
}
var jj = 0;
foreach (var v in _vertices)
{
v.ParentIndex = jj++;
v.Paint(g, width, height);
}
jj = 0;
foreach (var e in _edges)
{
e.ParentIndex = jj++;
e.Paint(g, width, height);
}
}
}
public Graph(Algorithms.Graph g, List <Vector> position, bool directed = true)
: this()
{
if (g.VertexWeight != null && g.VertexWeight.Count == g.N)
{
_vertices = g.Vertices.Select(v => new Vertex(position[v].X, position[v].Y, g.VertexWeight[v].ToString())).ToList();
}
else
{
_vertices = g.Vertices.Select(v => new Vertex(position[v].X, position[v].Y)).ToList();
}
_edges = new List <Edge>();
for (int i = 0; i < g.N; i++)
{
for (int j = i + 1; j < g.N; j++)
{
if (directed)
{
if (g.Directed[i, j])
{
_edges.Add(new Edge(_vertices[i], _vertices[j], Edge.Orientations.Forward));
}
else if (g.Adjacent[i, j])
{
_edges.Add(new Edge(_vertices[j], _vertices[i], Edge.Orientations.Forward));
}
}
else if (g.Adjacent[i, j])
{
_edges.Add(new Edge(_vertices[i], _vertices[j], Edge.Orientations.None));
}
}
}
}
public void DoOutDegreePlusOneLabeling()
{
var g = new Algorithms.Graph(_graph.GetEdgeWeights());
for (int i = 0; i < _graph.Vertices.Count; i++)
{
_graph.Vertices[i].Label = (g.OutDegree(i) + 1).ToString();
}
Invalidate();
GraphChanged();
}
public void DoIndexLabeling()
{
var g = new Algorithms.Graph(_graph.GetEdgeWeights());
for (int i = 0; i < _graph.Vertices.Count; i++)
{
_graph.Vertices[i].Label = i.ToString();
}
Invalidate();
GraphChanged();
}
public GraphPolynomial(Algorithms.Graph g)
{
_g = g;
_priorNeighbors = new List <List <int> >();
for (int w = 0; w < _g.N; w++)
{
_priorNeighbors.Add(new List <int>());
for (int v = 0; v < w; v++)
{
if (g[v, w])
{
_priorNeighbors[w].Add(v);
}
}
}
}
public static int GetSignSum(this Algorithms.Graph g, int[] power)
{
var gp = new GraphPolynomial(g);
return(gp.GetSignSum(power));
}
public static int GetCoefficient(this Algorithms.Graph g, int[] power)
{
var gp = new GraphPolynomial(g);
return(gp.GetCoefficient(power));
}