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

Example 11 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 12 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 13 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);
}

Example 14 with Graph

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

the class DegreeNGTest method testNullGraphDegree.

@Test
public void testNullGraphDegree() {
    GraphModel graphModel = GraphGenerator.generateNullUndirectedGraph(5);
    Graph graph = graphModel.getGraph();
    Node n = graph.getNode("1");
    Degree d = new Degree();
    int degree = d.calculateDegree(graph, n);
    double avDegree = d.calculateAverageDegree(graph, false, false);
    assertEquals(degree, 0);
    assertEquals(avDegree, 0.0);
}

Example 15 with Graph

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

the class DegreeNGTest method testStarGraphDegree.

@Test
public void testStarGraphDegree() {
    GraphModel graphModel = GraphGenerator.generateStarUndirectedGraph(5);
    Graph graph = graphModel.getGraph();
    Node n1 = graph.getNode("0");
    Node n2 = graph.getNode("1");
    Degree d = new Degree();
    int degree1 = d.calculateDegree(graph, n1);
    int degree2 = d.calculateDegree(graph, n2);
    double avDegree = d.calculateAverageDegree(graph, false, false);
    double expectedAvDegree = 1.6667;
    double diff = Math.abs(avDegree - expectedAvDegree);
    assertEquals(degree1, 5);
    assertEquals(degree2, 1);
    assertTrue(diff < 0.001);
}