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

Example 86 with Node

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

the class WeightedDegreeNGTest 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");
    WeightedDegree d = new WeightedDegree();
    d.execute(graph);
    double degree1 = (Double) n1.getAttribute(WeightedDegree.WDEGREE);
    double degree2 = (Double) n2.getAttribute(WeightedDegree.WDEGREE);
    double avDegree = d.getAverageDegree();
    double expectedAvDegree = 1.6667;
    double diff = Math.abs(avDegree - expectedAvDegree);
    assertEquals(degree1, 5.0);
    assertEquals(degree2, 1.0);
    assertTrue(diff < 0.001);
}

Example 87 with Node

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

the class WeightedDegreeNGTest method testDirectedStarOutGraphDegree.

@Test
public void testDirectedStarOutGraphDegree() {
    GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getGraphModel();
    DirectedGraph directedGraph = graphModel.getDirectedGraph();
    Node firstNode = graphModel.factory().newNode("0");
    directedGraph.addNode(firstNode);
    for (int i = 1; i <= 5; i++) {
        Node currentNode = graphModel.factory().newNode(((Integer) i).toString());
        directedGraph.addNode(currentNode);
        Edge currentEdge = graphModel.factory().newEdge(firstNode, currentNode);
        directedGraph.addEdge(currentEdge);
    }
    DirectedGraph graph = graphModel.getDirectedGraph();
    Node n1 = graph.getNode("0");
    Node n3 = graph.getNode("2");
    WeightedDegree d = new WeightedDegree();
    d.execute(graph);
    double inDegree1 = (Double) n1.getAttribute(WeightedDegree.WINDEGREE);
    double outDegree1 = (Double) n1.getAttribute(WeightedDegree.WOUTDEGREE);
    double degree3 = (Double) n3.getAttribute(WeightedDegree.WDEGREE);
    assertEquals(inDegree1, 0.0);
    assertEquals(outDegree1, 5.0);
    assertEquals(degree3, 1.0);
}

Example 88 with Node

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

the class WeightedDegreeNGTest method testOneNodeDegree.

@Test
public void testOneNodeDegree() {
    GraphModel graphModel = GraphGenerator.generateNullUndirectedGraph(1);
    Graph graph = graphModel.getGraph();
    Node n = graph.getNode("0");
    WeightedDegree d = new WeightedDegree();
    d.execute(graph);
    assertEquals(n.getAttribute(WeightedDegree.WDEGREE), 0.0);
}

Example 89 with Node

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

the class WeightedDegreeNGTest method testSelfLoopGraphDegree.

@Test
public void testSelfLoopGraphDegree() {
    GraphModel graphModel = GraphGenerator.generateSelfLoopUndirectedGraph(1);
    Graph graph = graphModel.getGraph();
    Node n = graph.getNode("0");
    WeightedDegree d = new WeightedDegree();
    d.execute(graph);
    assertEquals(n.getAttribute(WeightedDegree.WDEGREE), 2.0);
}

Example 90 with Node

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

the class WeightedDegreeNGTest method testSelfLoopDirectedGraphDegree.

@Test
public void testSelfLoopDirectedGraphDegree() {
    GraphModel graphModel = GraphGenerator.generateSelfLoopDirectedGraph(1);
    DirectedGraph graph = graphModel.getDirectedGraph();
    Node n = graph.getNode("0");
    WeightedDegree d = new WeightedDegree();
    d.execute(graph);
    assertEquals(n.getAttribute(WeightedDegree.WDEGREE), 2.0);
    assertEquals(n.getAttribute(WeightedDegree.WINDEGREE), 1.0);
    assertEquals(n.getAttribute(WeightedDegree.WOUTDEGREE), 1.0);
}