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

Example 16 with UndirectedGraph

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

the class GraphDistanceNGTest method testSpecial2UndirectedGraphDiameter.

@Test
public void testSpecial2UndirectedGraphDiameter() {
    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");
    Node node8 = graphModel.factory().newNode("7");
    undirectedGraph.addNode(node1);
    undirectedGraph.addNode(node2);
    undirectedGraph.addNode(node3);
    undirectedGraph.addNode(node4);
    undirectedGraph.addNode(node5);
    undirectedGraph.addNode(node6);
    undirectedGraph.addNode(node7);
    undirectedGraph.addNode(node8);
    Edge edge12 = graphModel.factory().newEdge(node1, node2, 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 edge78 = graphModel.factory().newEdge(node7, node8, false);
    Edge edge81 = graphModel.factory().newEdge(node8, node1, false);
    Edge edge14 = graphModel.factory().newEdge(node1, node4, false);
    Edge edge85 = graphModel.factory().newEdge(node8, node5, false);
    undirectedGraph.addEdge(edge12);
    undirectedGraph.addEdge(edge23);
    undirectedGraph.addEdge(edge34);
    undirectedGraph.addEdge(edge45);
    undirectedGraph.addEdge(edge56);
    undirectedGraph.addEdge(edge67);
    undirectedGraph.addEdge(edge78);
    undirectedGraph.addEdge(edge81);
    undirectedGraph.addEdge(edge14);
    undirectedGraph.addEdge(edge85);
    GraphDistance d = new GraphDistance();
    d.initializeStartValues();
    UndirectedGraph hierarchicalUndirectedGraph = graphModel.getUndirectedGraph();
    HashMap<Node, Integer> indicies = d.createIndiciesMap(hierarchicalUndirectedGraph);
    d.calculateDistanceMetrics(graphModel.getGraph(), indicies, false, false);
    double diameter = d.getDiameter();
    assertEquals(diameter, 4.0, TOLERANCE);
}

Example 17 with UndirectedGraph

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

the class GraphDistanceNGTest method testCyclicGraphRadius.

@Test
public void testCyclicGraphRadius() {
    GraphModel graphModel = GraphGenerator.generateCyclicUndirectedGraph(5);
    GraphDistance d = new GraphDistance();
    d.initializeStartValues();
    UndirectedGraph undirectedGraph = graphModel.getUndirectedGraph();
    HashMap<Node, Integer> indicies = d.createIndiciesMap(undirectedGraph);
    d.calculateDistanceMetrics(graphModel.getGraph(), indicies, false, false);
    double radius = d.getRadius();
    assertEquals(radius, 2.0, TOLERANCE);
}

Example 18 with UndirectedGraph

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

the class GraphDistanceNGTest method testCompleteGraphCloseness.

@Test
public void testCompleteGraphCloseness() {
    GraphModel graphModel = GraphGenerator.generateCompleteUndirectedGraph(5);
    GraphDistance d = new GraphDistance();
    d.initializeStartValues();
    UndirectedGraph undirectedGraph = graphModel.getUndirectedGraph();
    HashMap<Node, Integer> indicies = d.createIndiciesMap(undirectedGraph);
    HashMap<String, double[]> metricsMap = (HashMap) d.calculateDistanceMetrics(graphModel.getGraph(), indicies, false, false);
    double[] closeness = metricsMap.get(GraphDistance.CLOSENESS);
    Node n1 = undirectedGraph.getNode("0");
    int index1 = indicies.get(n1);
    assertEquals(closeness[index1], 1.0, TOLERANCE);
}

Example 19 with UndirectedGraph

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

the class GraphDistanceNGTest method testCyclicGraphDiameter.

@Test
public void testCyclicGraphDiameter() {
    GraphModel graphModel = GraphGenerator.generateCyclicUndirectedGraph(5);
    GraphDistance d = new GraphDistance();
    d.initializeStartValues();
    UndirectedGraph undirectedGraph = graphModel.getUndirectedGraph();
    HashMap<Node, Integer> indicies = d.createIndiciesMap(undirectedGraph);
    d.calculateDistanceMetrics(graphModel.getGraph(), indicies, false, false);
    double diameter = d.getDiameter();
    assertEquals(diameter, 2.0, TOLERANCE);
}

Example 20 with UndirectedGraph

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

the class GraphDistanceNGTest method testTwoConnectedNodesAvPathLength.

@Test
public void testTwoConnectedNodesAvPathLength() {
    GraphModel graphModel = GraphGenerator.generatePathUndirectedGraph(2);
    GraphDistance d = new GraphDistance();
    d.initializeStartValues();
    UndirectedGraph undirectedGraph = graphModel.getUndirectedGraph();
    HashMap<Node, Integer> indicies = d.createIndiciesMap(undirectedGraph);
    d.calculateDistanceMetrics(graphModel.getGraph(), indicies, false, false);
    double averageDegree = d.getPathLength();
    assertEquals(averageDegree, 1.0, TOLERANCE);
}