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Example 51 with DirectedGraph

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

the class ClusteringCoefficientNGTest method testSpecial1DirectedGraphClusteringCoefficient.

@Test
public void testSpecial1DirectedGraphClusteringCoefficient() {
    GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getGraphModel();
    DirectedGraph directedGraph = graphModel.getDirectedGraph();
    Node node1 = graphModel.factory().newNode("0");
    Node node2 = graphModel.factory().newNode("1");
    Node node3 = graphModel.factory().newNode("2");
    Node node4 = graphModel.factory().newNode("3");
    directedGraph.addNode(node1);
    directedGraph.addNode(node2);
    directedGraph.addNode(node3);
    directedGraph.addNode(node4);
    Edge edge12 = graphModel.factory().newEdge(node1, node2);
    Edge edge23 = graphModel.factory().newEdge(node2, node3);
    Edge edge24 = graphModel.factory().newEdge(node2, node4);
    Edge edge31 = graphModel.factory().newEdge(node3, node1);
    Edge edge34 = graphModel.factory().newEdge(node3, node4);
    Edge edge41 = graphModel.factory().newEdge(node4, node1);
    directedGraph.addEdge(edge12);
    directedGraph.addEdge(edge23);
    directedGraph.addEdge(edge24);
    directedGraph.addEdge(edge31);
    directedGraph.addEdge(edge34);
    directedGraph.addEdge(edge41);
    DirectedGraph graph = graphModel.getDirectedGraph();
    ClusteringCoefficient cc = new ClusteringCoefficient();
    ArrayWrapper[] network = new ArrayWrapper[4];
    int[] triangles = new int[4];
    double[] nodeClustering = new double[4];
    HashMap<String, Double> results = cc.computeClusteringCoefficient(graph, network, triangles, nodeClustering, true);
    double avClusteringCoefficient = results.get("clusteringCoefficient");
    assertEquals(avClusteringCoefficient, 0.5);
}
Also used : Node(org.gephi.graph.api.Node) DirectedGraph(org.gephi.graph.api.DirectedGraph) GraphModel(org.gephi.graph.api.GraphModel) Edge(org.gephi.graph.api.Edge) GraphController(org.gephi.graph.api.GraphController) Test(org.testng.annotations.Test)

Example 52 with DirectedGraph

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

the class ClusteringCoefficientNGTest method testTriangleDirectedGraphClusteringCoefficient.

@Test
public void testTriangleDirectedGraphClusteringCoefficient() {
    GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getGraphModel();
    DirectedGraph directedGraph = graphModel.getDirectedGraph();
    Node node1 = graphModel.factory().newNode("0");
    Node node2 = graphModel.factory().newNode("1");
    Node node3 = graphModel.factory().newNode("2");
    directedGraph.addNode(node1);
    directedGraph.addNode(node2);
    directedGraph.addNode(node3);
    Edge edge12 = graphModel.factory().newEdge(node1, node2);
    Edge edge21 = graphModel.factory().newEdge(node2, node1);
    Edge edge23 = graphModel.factory().newEdge(node2, node3);
    Edge edge32 = graphModel.factory().newEdge(node3, node2);
    Edge edge31 = graphModel.factory().newEdge(node3, node1);
    Edge edge13 = graphModel.factory().newEdge(node1, node3);
    directedGraph.addEdge(edge12);
    directedGraph.addEdge(edge21);
    directedGraph.addEdge(edge23);
    directedGraph.addEdge(edge32);
    directedGraph.addEdge(edge31);
    directedGraph.addEdge(edge13);
    DirectedGraph graph = graphModel.getDirectedGraph();
    ClusteringCoefficient cc = new ClusteringCoefficient();
    ArrayWrapper[] network = new ArrayWrapper[3];
    int[] triangles = new int[3];
    double[] nodeClustering = new double[3];
    HashMap<String, Double> results = cc.computeClusteringCoefficient(graph, network, triangles, nodeClustering, true);
    double avClusteringCoefficient = results.get("clusteringCoefficient");
    assertEquals(avClusteringCoefficient, 1.);
}
Also used : Node(org.gephi.graph.api.Node) DirectedGraph(org.gephi.graph.api.DirectedGraph) GraphModel(org.gephi.graph.api.GraphModel) Edge(org.gephi.graph.api.Edge) GraphController(org.gephi.graph.api.GraphController) Test(org.testng.annotations.Test)

Example 53 with DirectedGraph

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

the class ConnectedComponentsNGTest method testDirectedPathGraphConnectedComponents.

@Test
public void testDirectedPathGraphConnectedComponents() {
    GraphModel graphModel = GraphGenerator.generatePathDirectedGraph(4);
    DirectedGraph graph = graphModel.getDirectedGraph();
    ConnectedComponents c = new ConnectedComponents();
    HashMap<Node, Integer> indicies = c.createIndiciesMap(graph);
    LinkedList<LinkedList<Node>> components = c.top_tarjans(graph, indicies);
    assertEquals(components.size(), 4);
}
Also used : DirectedGraph(org.gephi.graph.api.DirectedGraph) GraphModel(org.gephi.graph.api.GraphModel) Node(org.gephi.graph.api.Node) LinkedList(java.util.LinkedList) Test(org.testng.annotations.Test)

Example 54 with DirectedGraph

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

the class ConnectedComponentsNGTest method testSpecial3DirectedGraphConnectedComponents.

@Test
public void testSpecial3DirectedGraphConnectedComponents() {
    GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getGraphModel();
    DirectedGraph directedGraph = graphModel.getDirectedGraph();
    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");
    Node node9 = graphModel.factory().newNode("8");
    directedGraph.addNode(node1);
    directedGraph.addNode(node2);
    directedGraph.addNode(node3);
    directedGraph.addNode(node4);
    directedGraph.addNode(node5);
    directedGraph.addNode(node6);
    directedGraph.addNode(node7);
    directedGraph.addNode(node8);
    directedGraph.addNode(node9);
    Edge edge12 = graphModel.factory().newEdge(node1, node2);
    Edge edge23 = graphModel.factory().newEdge(node2, node3);
    Edge edge45 = graphModel.factory().newEdge(node4, node5);
    Edge edge56 = graphModel.factory().newEdge(node5, node6);
    Edge edge64 = graphModel.factory().newEdge(node6, node4);
    Edge edge75 = graphModel.factory().newEdge(node7, node5);
    Edge edge89 = graphModel.factory().newEdge(node8, node9);
    Edge edge98 = graphModel.factory().newEdge(node9, node8);
    directedGraph.addEdge(edge12);
    directedGraph.addEdge(edge23);
    directedGraph.addEdge(edge45);
    directedGraph.addEdge(edge56);
    directedGraph.addEdge(edge64);
    directedGraph.addEdge(edge75);
    directedGraph.addEdge(edge89);
    directedGraph.addEdge(edge98);
    DirectedGraph graph = graphModel.getDirectedGraph();
    ConnectedComponents c = new ConnectedComponents();
    HashMap<Node, Integer> indicies = c.createIndiciesMap(graph);
    LinkedList<LinkedList<Node>> stronglyConnectedComponents = c.top_tarjans(graph, indicies);
    assertEquals(stronglyConnectedComponents.size(), 6);
}
Also used : DirectedGraph(org.gephi.graph.api.DirectedGraph) GraphModel(org.gephi.graph.api.GraphModel) Node(org.gephi.graph.api.Node) Edge(org.gephi.graph.api.Edge) GraphController(org.gephi.graph.api.GraphController) LinkedList(java.util.LinkedList) Test(org.testng.annotations.Test)

Example 55 with DirectedGraph

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

the class ConnectedComponentsNGTest method testSpecial1DirectedGraphConnectedComponents.

@Test
public void testSpecial1DirectedGraphConnectedComponents() {
    GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getGraphModel();
    DirectedGraph directedGraph = graphModel.getDirectedGraph();
    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");
    directedGraph.addNode(node1);
    directedGraph.addNode(node2);
    directedGraph.addNode(node3);
    directedGraph.addNode(node4);
    directedGraph.addNode(node5);
    Edge edge12 = graphModel.factory().newEdge(node1, node2);
    Edge edge14 = graphModel.factory().newEdge(node1, node4);
    Edge edge23 = graphModel.factory().newEdge(node2, node3);
    Edge edge25 = graphModel.factory().newEdge(node2, node5);
    Edge edge35 = graphModel.factory().newEdge(node3, node5);
    Edge edge43 = graphModel.factory().newEdge(node4, node3);
    Edge edge51 = graphModel.factory().newEdge(node5, node1);
    Edge edge54 = graphModel.factory().newEdge(node5, node4);
    directedGraph.addEdge(edge12);
    directedGraph.addEdge(edge14);
    directedGraph.addEdge(edge23);
    directedGraph.addEdge(edge25);
    directedGraph.addEdge(edge35);
    directedGraph.addEdge(edge43);
    directedGraph.addEdge(edge51);
    directedGraph.addEdge(edge54);
    DirectedGraph graph = graphModel.getDirectedGraph();
    ConnectedComponents c = new ConnectedComponents();
    HashMap<Node, Integer> indicies = c.createIndiciesMap(graph);
    LinkedList<LinkedList<Node>> components = c.top_tarjans(graph, indicies);
    assertEquals(components.size(), 1);
}
Also used : DirectedGraph(org.gephi.graph.api.DirectedGraph) GraphModel(org.gephi.graph.api.GraphModel) Node(org.gephi.graph.api.Node) Edge(org.gephi.graph.api.Edge) GraphController(org.gephi.graph.api.GraphController) LinkedList(java.util.LinkedList) Test(org.testng.annotations.Test)

Aggregations

DirectedGraph (org.gephi.graph.api.DirectedGraph)64 Node (org.gephi.graph.api.Node)60 GraphModel (org.gephi.graph.api.GraphModel)57 Test (org.testng.annotations.Test)52 Edge (org.gephi.graph.api.Edge)37 GraphController (org.gephi.graph.api.GraphController)36 HashMap (java.util.HashMap)17 LinkedList (java.util.LinkedList)6 UndirectedGraph (org.gephi.graph.api.UndirectedGraph)6 Graph (org.gephi.graph.api.Graph)2 Color (java.awt.Color)1 DecimalFormat (java.text.DecimalFormat)1 Entry (java.util.Map.Entry)1 AbstractShortestPathAlgorithm (org.gephi.algorithms.shortestpath.AbstractShortestPathAlgorithm)1 BellmanFordShortestPathAlgorithm (org.gephi.algorithms.shortestpath.BellmanFordShortestPathAlgorithm)1 DijkstraShortestPathAlgorithm (org.gephi.algorithms.shortestpath.DijkstraShortestPathAlgorithm)1 Interval (org.gephi.graph.api.Interval)1 TimeRepresentation (org.gephi.graph.api.TimeRepresentation)1 NodeClickEventListener (org.gephi.tools.spi.NodeClickEventListener)1 LinearGradient (org.gephi.ui.utils.GradientUtils.LinearGradient)1