Ejemplo n.º 1
0
        static void Main(string[] args)
        {
            // Create a random network
            SimpleNetwork net = SimpleNetwork.ReadFromEdgeList("demo.edges");

            // We use a custom coloring
            NetworkColorizer colors = new NetworkColorizer();

            colors.DefaultBackgroundColor = Color.Black;
            colors.DefaultEdgeColor       = Color.WhiteSmoke;
            colors.DefaultVertexColor     = Color.SteelBlue;

            // Let's use curved edges instead of the default straight ones
            Renderer.CurvedEdges = true;

            // Fire up the visualizer window
            Renderer.Start(net, new NETVisualizer.Layouts.FruchtermanReingold.FRLayout(10), colors);

            // Trigger the layout
            Renderer.Layout.DoLayoutAsync();

            // The rendering and layouting is done asynchronously in parallel,
            // so you can modify the network while the visualization and the layout continues
            Console.Write("Press ANY KEY to add another edge");
            Console.ReadKey();
            net.AddEdge("a", "b");
            net.AddEdge("b", "c");

            // Trigger the layout again. Only changed nodes will be relayouted ...
            Renderer.Layout.DoLayoutAsync();

            Console.WriteLine("Waiting for rendering window to be closed ...");
        }
Ejemplo n.º 2
0
 /// <summary>
 /// Reads a directed network from an edge list
 /// </summary>
 /// <param name="file">The filename to read the network from</param>
 /// <param name="sep">The separator charactor used in the file</param>
 /// <returns>A network</returns>
 public static SimpleNetwork ReadFromEdgeList(string file, char sep = ' ')
 {
     string[] edges = System.IO.File.ReadAllLines(file);
     SimpleNetwork net = new SimpleNetwork();
     foreach (string edge in edges)
     {
         string[] nodes = edge.Split(sep);
         net.AddEdge(nodes[0], nodes[1]);
     }
     return net;
 }
        /// <summary>
        /// Reads a directed network from an edge list
        /// </summary>
        /// <param name="file">The filename to read the network from</param>
        /// <param name="sep">The separator charactor used in the file</param>
        /// <returns>A network</returns>
        public static SimpleNetwork ReadFromEdgeList(string file, char sep = ' ')
        {
            string[]      edges = System.IO.File.ReadAllLines(file);
            SimpleNetwork net   = new SimpleNetwork();

            foreach (string edge in edges)
            {
                string[] nodes = edge.Split(sep);
                net.AddEdge(nodes[0], nodes[1]);
            }
            return(net);
        }
Ejemplo n.º 4
0
        /// <summary>
        /// Generates a simple random network with n nodes and m edges
        /// </summary>
        /// <param name="n">The number of nodes</param>
        /// <param name="m">The number of edges</param>
        /// <returns>A random network</returns>
        public static SimpleNetwork CreateRandomNetwork(int n, int m)
        {
            Random r = new Random();
            SimpleNetwork net = new SimpleNetwork();

            for(int i = 0; i<n; i++)
                net.AddVertex(i.ToString());

            for (int j = 0; j < m; j++)
                {
                    string x = net.GetVertexArray()[r.Next(net.GetVertexCount())];
                    string y = net.GetVertexArray()[r.Next(net.GetVertexCount())];
                    net.AddEdge(x, y);
                }
            return net;
        }
        /// <summary>
        /// Generates a simple random network with n nodes and m edges
        /// </summary>
        /// <param name="n">The number of nodes</param>
        /// <param name="m">The number of edges</param>
        /// <returns>A random network</returns>
        public static SimpleNetwork CreateRandomNetwork(int n, int m)
        {
            Random        r   = new Random();
            SimpleNetwork net = new SimpleNetwork();

            for (int i = 0; i < n; i++)
            {
                net.AddVertex(i.ToString());
            }

            for (int j = 0; j < m; j++)
            {
                string x = net.GetVertexArray()[r.Next(net.GetVertexCount())];
                string y = net.GetVertexArray()[r.Next(net.GetVertexCount())];
                net.AddEdge(x, y);
            }
            return(net);
        }