examples/example-digraph.html

<html>
    <head>
        <title>
            DiGraph
        </title>
        <script src="../third-party-libs/vis/vis.js" type="text/javascript"></script>
        <script src="../src/jsgraphs.js" type="text/javascript"></script>
        <link href="../third-party-libs/vis/vis.css" type="text/css" />
    </head>
    
    <body>
        <h2>Directed Graph</h2>
        <div id="mynetwork"></div>
        
        <script type="text/javascript">
            (function(){
                var g = new jsgraphs.DiGraph(13); // 13 is the number vertices in the graph
                g.addEdge(4,  2); // add directed edge from 4 to 2
                g.addEdge(2,  3);
                g.addEdge(3,  2);
                g.addEdge(6,  0);
                g.addEdge(0,  1);
                g.addEdge(2,  0);
                g.addEdge(11, 12);
                g.addEdge(12,  9);
                g.addEdge(9, 10);
                g.addEdge(9, 11);
                g.addEdge(7,  9);
                g.addEdge(10, 12);
                g.addEdge(11,  4);
                g.addEdge(4,  3);
                g.addEdge(3,  5);
                g.addEdge(6,  8);
                g.addEdge(8,  6);
                g.addEdge(5,  4);
                g.addEdge(0,  5);
                g.addEdge(6,  4);
                g.addEdge(6,  9);
                g.addEdge(7,  6);

                var g_nodes = [];
                var g_edges = [];
                for(var v=0; v < g.V; ++v){
                    g.node(v).label = 'Node ' + v; // assigned 'Node {v}' as label for node v
                    g_nodes.push({
                       id: v,
                       label: g.node(v).label
                    });
                    
                    var adj_v = g.adj(v);
                    for(var i = 0; i < adj_v.length; ++i) {
                        var w = adj_v[i];
                        g_edges.push({
                            from: v,
                            to: w,
                            arrows:'to'
                        });
                    };
                }

                console.log(g.V); // display 6, which is the number of vertices in g
                console.log(g.adj(0)); // display [5, 1, 2], which is the adjacent list to vertex 0
                
                var nodes = new vis.DataSet(g_nodes);

                // create an array with edges
                var edges = new vis.DataSet(g_edges);

                // create a network
                var container = document.getElementById('mynetwork');
                var data = {
                    nodes: nodes,
                    edges: edges
                };
                var options = {};
                var network = new vis.Network(container, data, options);
            })();
        </script>
    </body>
</html>