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

Example 16 with Node

use of org.gephi.graph.api.Node 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 17 with Node

use of org.gephi.graph.api.Node 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 18 with Node

use of org.gephi.graph.api.Node 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 19 with Node

use of org.gephi.graph.api.Node 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);
}

Example 20 with Node

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

the class DegreeNGTest method testDirectedPathGraphDegree.

@Test
public void testDirectedPathGraphDegree() {
    GraphModel graphModel = GraphGenerator.generatePathDirectedGraph(2);
    DirectedGraph graph = graphModel.getDirectedGraph();
    Node n1 = graph.getNode("0");
    Node n2 = graph.getNode("1");
    Degree d = new Degree();
    int inDegree1 = d.calculateInDegree(graph, n1);
    int inDegree2 = d.calculateInDegree(graph, n2);
    int outDegree1 = d.calculateOutDegree(graph, n1);
    double avDegree = d.calculateAverageDegree(graph, true, false);
    assertEquals(inDegree1, 0);
    assertEquals(inDegree2, 1);
    assertEquals(outDegree1, 1);
    assertEquals(avDegree, 0.5);
}