Examples with Graph org.gephi.graph.api.Graph used on opensource projects

Example 76 with Graph

use of org.gephi.graph.api.Graph in project gephi by gephi.

the class HitsNGTest method testGraphWithSelfLoopsHits.

@Test
public void testGraphWithSelfLoopsHits() {
    GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getGraphModel();
    UndirectedGraph undirectedGraph = graphModel.getUndirectedGraph();
    Node node1 = graphModel.factory().newNode("0");
    Node node2 = graphModel.factory().newNode("1");
    Node node3 = graphModel.factory().newNode("2");
    undirectedGraph.addNode(node1);
    undirectedGraph.addNode(node2);
    undirectedGraph.addNode(node3);
    Edge edge12 = graphModel.factory().newEdge(node1, node2, false);
    Edge edge23 = graphModel.factory().newEdge(node2, node3, false);
    Edge edge11 = graphModel.factory().newEdge(node1, node1, false);
    Edge edge33 = graphModel.factory().newEdge(node3, node3, false);
    undirectedGraph.addEdge(edge12);
    undirectedGraph.addEdge(edge23);
    undirectedGraph.addEdge(edge11);
    undirectedGraph.addEdge(edge33);
    Graph graph = graphModel.getUndirectedGraph();
    Hits hit = new Hits();
    HashMap<Node, Integer> indices = hit.createIndicesMap(graph);
    double[] authority = new double[3];
    double[] hubs = new double[3];
    hit.calculateHits(graph, hubs, authority, indices, false, EPSILON);
    Node n1 = graph.getNode("0");
    Node n2 = graph.getNode("1");
    int index1 = indices.get(n1);
    int index2 = indices.get(n2);
    double auth1 = authority[index1];
    double auth2 = authority[index2];
    assertTrue(auth2 > auth1);
}

Example 77 with Graph

use of org.gephi.graph.api.Graph in project gephi by gephi.

the class Degree method execute.

/**
     *
     * @param graphModel
     */
@Override
public void execute(GraphModel graphModel) {
    Graph graph = graphModel.getGraphVisible();
    execute(graph);
}

Example 78 with Graph

use of org.gephi.graph.api.Graph in project gephi by gephi.

the class DynamicNbEdges method loop.

@Override
public void loop(GraphView window, Interval interval) {
    Graph graph = graphModel.getGraph(window);
    int count = graph.getEdgeCount();
    graphModel.getGraphVisible().setAttribute(NB_EDGES, count, interval.getLow());
    graphModel.getGraphVisible().setAttribute(NB_EDGES, count, interval.getHigh());
    counts.put(interval.getLow(), count);
    counts.put(interval.getHigh(), count);
}

Example 79 with Graph

use of org.gephi.graph.api.Graph in project gephi by gephi.

the class ClusteringCoefficientNGTest method testSpecial1UndirectedGraphClusteringCoefficient.

@Test
public void testSpecial1UndirectedGraphClusteringCoefficient() {
    GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getGraphModel();
    UndirectedGraph undirectedGraph = graphModel.getUndirectedGraph();
    Node node1 = graphModel.factory().newNode("0");
    Node node2 = graphModel.factory().newNode("1");
    Node node3 = graphModel.factory().newNode("2");
    Node node4 = graphModel.factory().newNode("3");
    Node node5 = graphModel.factory().newNode("4");
    Node node6 = graphModel.factory().newNode("5");
    Node node7 = graphModel.factory().newNode("6");
    undirectedGraph.addNode(node1);
    undirectedGraph.addNode(node2);
    undirectedGraph.addNode(node3);
    undirectedGraph.addNode(node4);
    undirectedGraph.addNode(node5);
    undirectedGraph.addNode(node6);
    undirectedGraph.addNode(node7);
    Edge edge12 = graphModel.factory().newEdge(node1, node2, false);
    Edge edge13 = graphModel.factory().newEdge(node1, node3, false);
    Edge edge14 = graphModel.factory().newEdge(node1, node4, false);
    Edge edge15 = graphModel.factory().newEdge(node1, node5, false);
    Edge edge16 = graphModel.factory().newEdge(node1, node6, false);
    Edge edge17 = graphModel.factory().newEdge(node1, node7, false);
    Edge edge23 = graphModel.factory().newEdge(node2, node3, false);
    Edge edge34 = graphModel.factory().newEdge(node3, node4, false);
    Edge edge45 = graphModel.factory().newEdge(node4, node5, false);
    Edge edge56 = graphModel.factory().newEdge(node5, node6, false);
    Edge edge67 = graphModel.factory().newEdge(node6, node7, false);
    Edge edge72 = graphModel.factory().newEdge(node7, node2, false);
    undirectedGraph.addEdge(edge12);
    undirectedGraph.addEdge(edge13);
    undirectedGraph.addEdge(edge14);
    undirectedGraph.addEdge(edge15);
    undirectedGraph.addEdge(edge16);
    undirectedGraph.addEdge(edge17);
    undirectedGraph.addEdge(edge23);
    undirectedGraph.addEdge(edge34);
    undirectedGraph.addEdge(edge45);
    undirectedGraph.addEdge(edge56);
    undirectedGraph.addEdge(edge67);
    undirectedGraph.addEdge(edge72);
    Graph graph = graphModel.getGraph();
    ClusteringCoefficient cc = new ClusteringCoefficient();
    ArrayWrapper[] network = new ArrayWrapper[7];
    int[] triangles = new int[7];
    double[] nodeClustering = new double[7];
    HashMap<String, Double> results = cc.computeClusteringCoefficient(graph, network, triangles, nodeClustering, false);
    double cl1 = nodeClustering[0];
    double cl3 = nodeClustering[2];
    double res3 = 0.667;
    double diff = 0.01;
    assertEquals(cl1, 0.4);
    assertTrue(Math.abs(cl3 - res3) < diff);
}

Example 80 with Graph

use of org.gephi.graph.api.Graph in project gephi by gephi.

the class GraphDensity method execute.

@Override
public void execute(GraphModel graphModel) {
    Graph graph;
    if (isDirected) {
        graph = graphModel.getDirectedGraphVisible();
    } else {
        graph = graphModel.getUndirectedGraphVisible();
    }
    density = calculateDensity(graph, isDirected);
}