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

Example 21 with Graph

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

the class ClusteringCoefficientNGTest method testSpecial3UndirectedGraphClusteringCoefficient.

@Test
public void testSpecial3UndirectedGraphClusteringCoefficient() {
    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");
    undirectedGraph.addNode(node1);
    undirectedGraph.addNode(node2);
    undirectedGraph.addNode(node3);
    undirectedGraph.addNode(node4);
    undirectedGraph.addNode(node5);
    undirectedGraph.addNode(node6);
    Edge edge12 = graphModel.factory().newEdge(node1, node2, false);
    Edge edge23 = graphModel.factory().newEdge(node2, node3, false);
    Edge edge31 = graphModel.factory().newEdge(node3, node1, false);
    Edge edge14 = graphModel.factory().newEdge(node1, node4, false);
    Edge edge25 = graphModel.factory().newEdge(node2, node5, false);
    Edge edge36 = graphModel.factory().newEdge(node3, node6, false);
    undirectedGraph.addEdge(edge12);
    undirectedGraph.addEdge(edge23);
    undirectedGraph.addEdge(edge31);
    undirectedGraph.addEdge(edge14);
    undirectedGraph.addEdge(edge25);
    undirectedGraph.addEdge(edge36);
    Graph graph = graphModel.getGraph();
    ClusteringCoefficient cc = new ClusteringCoefficient();
    ArrayWrapper[] network = new ArrayWrapper[6];
    int[] triangles = new int[6];
    double[] nodeClustering = new double[6];
    HashMap<String, Double> results = cc.computeClusteringCoefficient(graph, network, triangles, nodeClustering, false);
    double cl1 = nodeClustering[0];
    double res1 = 0.333;
    double diff = 0.01;
    assertTrue(Math.abs(cl1 - res1) < diff);
}

Example 22 with Graph

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

the class ClusteringCoefficientNGTest method testNullGraphClusteringCoefficient.

@Test
public void testNullGraphClusteringCoefficient() {
    GraphModel graphModel = GraphGenerator.generateNullUndirectedGraph(5);
    Graph graph = graphModel.getGraph();
    ClusteringCoefficient cc = new ClusteringCoefficient();
    cc.setDirected(false);
    ArrayWrapper[] network = new ArrayWrapper[5];
    int[] triangles = new int[5];
    double[] nodeClustering = new double[5];
    HashMap<String, Double> results = cc.computeClusteringCoefficient(graph, network, triangles, nodeClustering, false);
    double avClusteringCoefficient = results.get("clusteringCoefficient");
    assertEquals(avClusteringCoefficient, Double.NaN);
}

Example 23 with Graph

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

the class ClusteringCoefficientNGTest method testCompleteGraphClusteringCoefficient.

@Test
public void testCompleteGraphClusteringCoefficient() {
    GraphModel graphModel = GraphGenerator.generateCompleteUndirectedGraph(5);
    Graph graph = graphModel.getGraph();
    ClusteringCoefficient cc = new ClusteringCoefficient();
    cc.setDirected(false);
    ArrayWrapper[] network = new ArrayWrapper[5];
    int[] triangles = new int[5];
    double[] nodeClustering = new double[5];
    HashMap<String, Double> results = cc.computeClusteringCoefficient(graph, network, triangles, nodeClustering, false);
    double avClusteringCoefficient = results.get("clusteringCoefficient");
    assertEquals(avClusteringCoefficient, 1.0);
}

Example 24 with Graph

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

the class DegreeNGTest method testSelfLoopGraphDegree.

@Test
public void testSelfLoopGraphDegree() {
    GraphModel graphModel = GraphGenerator.generateSelfLoopUndirectedGraph(1);
    Graph graph = graphModel.getGraph();
    Node n = graph.getNode("0");
    Degree d = new Degree();
    int degree = d.calculateDegree(graph, n);
    assertEquals(degree, 2);
}

Example 25 with Graph

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

the class DegreeNGTest method testCyclicGraphDegree.

@Test
public void testCyclicGraphDegree() {
    GraphModel graphModel = GraphGenerator.generateCyclicUndirectedGraph(5);
    Graph graph = graphModel.getGraph();
    Node n = graph.getNode("3");
    Degree d = new Degree();
    int degree = d.calculateDegree(graph, n);
    double avDegree = d.calculateAverageDegree(graph, false, false);
    assertEquals(degree, 2);
    assertEquals(avDegree, 2.0);
}