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

Search in sources :

Example 86 with Edge

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

the class GraphDistanceNGTest method testSpecial3UndirectedGraphHarmonicCloseness.

@Test
public void testSpecial3UndirectedGraphHarmonicCloseness() {
    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");
    undirectedGraph.addNode(node1);
    undirectedGraph.addNode(node2);
    undirectedGraph.addNode(node3);
    undirectedGraph.addNode(node4);
    undirectedGraph.addNode(node5);
    undirectedGraph.addNode(node6);
    undirectedGraph.addNode(node7);
    Edge edge12 = graphModel.factory().newEdge(node1, node2, false);
    Edge edge13 = graphModel.factory().newEdge(node1, node3, false);
    Edge edge14 = graphModel.factory().newEdge(node1, node4, false);
    Edge edge15 = graphModel.factory().newEdge(node1, node5, false);
    Edge edge16 = graphModel.factory().newEdge(node1, node6, false);
    Edge edge17 = graphModel.factory().newEdge(node1, node7, 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 edge72 = graphModel.factory().newEdge(node7, node2, false);
    undirectedGraph.addEdge(edge12);
    undirectedGraph.addEdge(edge13);
    undirectedGraph.addEdge(edge14);
    undirectedGraph.addEdge(edge15);
    undirectedGraph.addEdge(edge16);
    undirectedGraph.addEdge(edge17);
    undirectedGraph.addEdge(edge23);
    undirectedGraph.addEdge(edge34);
    undirectedGraph.addEdge(edge45);
    undirectedGraph.addEdge(edge56);
    undirectedGraph.addEdge(edge67);
    undirectedGraph.addEdge(edge72);
    GraphDistance d = new GraphDistance();
    d.initializeStartValues();
    UndirectedGraph hierarchicalUndirectedGraph = graphModel.getUndirectedGraph();
    HashMap<Node, Integer> indicies = d.createIndiciesMap(hierarchicalUndirectedGraph);
    HashMap<String, double[]> metricsMap = (HashMap) d.calculateDistanceMetrics(graphModel.getGraph(), indicies, false, false);
    double[] harmomic = metricsMap.get(GraphDistance.HARMONIC_CLOSENESS);
    int index1 = indicies.get(node1);
    int index3 = indicies.get(node3);
    assertEquals(harmomic[index1], 6.0 / 6.0, TOLERANCE);
    assertEquals(harmomic[index3], (3.0 + 3.0 / 2.0) / 6.0, TOLERANCE);
}
Also used : HashMap(java.util.HashMap) Node(org.gephi.graph.api.Node) GraphModel(org.gephi.graph.api.GraphModel) UndirectedGraph(org.gephi.graph.api.UndirectedGraph) Edge(org.gephi.graph.api.Edge) GraphController(org.gephi.graph.api.GraphController) Test(org.testng.annotations.Test)

Example 87 with Edge

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

the class GraphDistanceNGTest method testSpecial3UndirectedGraphCloseness.

@Test
public void testSpecial3UndirectedGraphCloseness() {
    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");
    undirectedGraph.addNode(node1);
    undirectedGraph.addNode(node2);
    undirectedGraph.addNode(node3);
    undirectedGraph.addNode(node4);
    undirectedGraph.addNode(node5);
    undirectedGraph.addNode(node6);
    undirectedGraph.addNode(node7);
    Edge edge12 = graphModel.factory().newEdge(node1, node2, false);
    Edge edge13 = graphModel.factory().newEdge(node1, node3, false);
    Edge edge14 = graphModel.factory().newEdge(node1, node4, false);
    Edge edge15 = graphModel.factory().newEdge(node1, node5, false);
    Edge edge16 = graphModel.factory().newEdge(node1, node6, false);
    Edge edge17 = graphModel.factory().newEdge(node1, node7, 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 edge72 = graphModel.factory().newEdge(node7, node2, false);
    undirectedGraph.addEdge(edge12);
    undirectedGraph.addEdge(edge13);
    undirectedGraph.addEdge(edge14);
    undirectedGraph.addEdge(edge15);
    undirectedGraph.addEdge(edge16);
    undirectedGraph.addEdge(edge17);
    undirectedGraph.addEdge(edge23);
    undirectedGraph.addEdge(edge34);
    undirectedGraph.addEdge(edge45);
    undirectedGraph.addEdge(edge56);
    undirectedGraph.addEdge(edge67);
    undirectedGraph.addEdge(edge72);
    GraphDistance d = new GraphDistance();
    d.initializeStartValues();
    UndirectedGraph hierarchicalUndirectedGraph = graphModel.getUndirectedGraph();
    HashMap<Node, Integer> indicies = d.createIndiciesMap(hierarchicalUndirectedGraph);
    HashMap<String, double[]> metricsMap = (HashMap) d.calculateDistanceMetrics(graphModel.getGraph(), indicies, false, false);
    double[] closeness = metricsMap.get(GraphDistance.CLOSENESS);
    int index1 = indicies.get(node1);
    int index3 = indicies.get(node3);
    assertEquals(closeness[index1], 1.0, TOLERANCE);
    assertEquals(closeness[index3], 1.0 / 1.5, TOLERANCE);
}
Also used : HashMap(java.util.HashMap) Node(org.gephi.graph.api.Node) GraphModel(org.gephi.graph.api.GraphModel) UndirectedGraph(org.gephi.graph.api.UndirectedGraph) Edge(org.gephi.graph.api.Edge) GraphController(org.gephi.graph.api.GraphController) Test(org.testng.annotations.Test)

Example 88 with Edge

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

the class GraphGenerator method generateCompleteUndirectedGraph.

public static GraphModel generateCompleteUndirectedGraph(int n) {
    GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getGraphModel();
    UndirectedGraph undirectedGraph = graphModel.getUndirectedGraph();
    Node[] nodes = new Node[n];
    for (int i = 0; i < n; i++) {
        Node currentNode = graphModel.factory().newNode(((Integer) i).toString());
        nodes[i] = currentNode;
        undirectedGraph.addNode(currentNode);
    }
    for (int i = 0; i < n - 1; i++) {
        for (int j = i + 1; j < n; j++) {
            Edge currentEdge = graphModel.factory().newEdge(nodes[i], nodes[j], false);
            undirectedGraph.addEdge(currentEdge);
        }
    }
    return graphModel;
}
Also used : GraphModel(org.gephi.graph.api.GraphModel) UndirectedGraph(org.gephi.graph.api.UndirectedGraph) Node(org.gephi.graph.api.Node) Edge(org.gephi.graph.api.Edge) GraphController(org.gephi.graph.api.GraphController)

Example 89 with Edge

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

the class GraphGenerator method generateSelfLoopUndirectedGraph.

public static GraphModel generateSelfLoopUndirectedGraph(int n) {
    GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getGraphModel();
    UndirectedGraph undirectedGraph = graphModel.getUndirectedGraph();
    for (int i = 0; i < n; i++) {
        Node currentNode = graphModel.factory().newNode(((Integer) i).toString());
        undirectedGraph.addNode(currentNode);
        Edge currentEdge = graphModel.factory().newEdge(currentNode, currentNode, false);
        undirectedGraph.addEdge(currentEdge);
    }
    return graphModel;
}
Also used : GraphModel(org.gephi.graph.api.GraphModel) UndirectedGraph(org.gephi.graph.api.UndirectedGraph) Node(org.gephi.graph.api.Node) Edge(org.gephi.graph.api.Edge) GraphController(org.gephi.graph.api.GraphController)

Example 90 with Edge

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

the class ClusteringCoefficientNGTest method testSpecial1UndirectedGraphClusteringCoefficient.

@Test
public void testSpecial1UndirectedGraphClusteringCoefficient() {
    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");
    undirectedGraph.addNode(node1);
    undirectedGraph.addNode(node2);
    undirectedGraph.addNode(node3);
    undirectedGraph.addNode(node4);
    undirectedGraph.addNode(node5);
    undirectedGraph.addNode(node6);
    undirectedGraph.addNode(node7);
    Edge edge12 = graphModel.factory().newEdge(node1, node2, false);
    Edge edge13 = graphModel.factory().newEdge(node1, node3, false);
    Edge edge14 = graphModel.factory().newEdge(node1, node4, false);
    Edge edge15 = graphModel.factory().newEdge(node1, node5, false);
    Edge edge16 = graphModel.factory().newEdge(node1, node6, false);
    Edge edge17 = graphModel.factory().newEdge(node1, node7, 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 edge72 = graphModel.factory().newEdge(node7, node2, false);
    undirectedGraph.addEdge(edge12);
    undirectedGraph.addEdge(edge13);
    undirectedGraph.addEdge(edge14);
    undirectedGraph.addEdge(edge15);
    undirectedGraph.addEdge(edge16);
    undirectedGraph.addEdge(edge17);
    undirectedGraph.addEdge(edge23);
    undirectedGraph.addEdge(edge34);
    undirectedGraph.addEdge(edge45);
    undirectedGraph.addEdge(edge56);
    undirectedGraph.addEdge(edge67);
    undirectedGraph.addEdge(edge72);
    Graph graph = graphModel.getGraph();
    ClusteringCoefficient cc = new ClusteringCoefficient();
    ArrayWrapper[] network = new ArrayWrapper[7];
    int[] triangles = new int[7];
    double[] nodeClustering = new double[7];
    HashMap<String, Double> results = cc.computeClusteringCoefficient(graph, network, triangles, nodeClustering, false);
    double cl1 = nodeClustering[0];
    double cl3 = nodeClustering[2];
    double res3 = 0.667;
    double diff = 0.01;
    assertEquals(cl1, 0.4);
    assertTrue(Math.abs(cl3 - res3) < diff);
}
Also used : Node(org.gephi.graph.api.Node) Graph(org.gephi.graph.api.Graph) UndirectedGraph(org.gephi.graph.api.UndirectedGraph) DirectedGraph(org.gephi.graph.api.DirectedGraph) GraphModel(org.gephi.graph.api.GraphModel) UndirectedGraph(org.gephi.graph.api.UndirectedGraph) Edge(org.gephi.graph.api.Edge) GraphController(org.gephi.graph.api.GraphController) Test(org.testng.annotations.Test)

Aggregations

Edge (org.gephi.graph.api.Edge)151 Node (org.gephi.graph.api.Node)122 GraphModel (org.gephi.graph.api.GraphModel)84 GraphController (org.gephi.graph.api.GraphController)79 Test (org.testng.annotations.Test)67 UndirectedGraph (org.gephi.graph.api.UndirectedGraph)46 DirectedGraph (org.gephi.graph.api.DirectedGraph)44 Graph (org.gephi.graph.api.Graph)31 HashMap (java.util.HashMap)26 EdgeIterable (org.gephi.graph.api.EdgeIterable)18 LinkedList (java.util.LinkedList)13 Column (org.gephi.graph.api.Column)11 NodeIterable (org.gephi.graph.api.NodeIterable)9 ArrayList (java.util.ArrayList)8 Table (org.gephi.graph.api.Table)6 GraphView (org.gephi.graph.api.GraphView)5 HashSet (java.util.HashSet)4 Interval (org.gephi.graph.api.Interval)4 TimeFormat (org.gephi.graph.api.TimeFormat)4 DateTimeZone (org.joda.time.DateTimeZone)4
About Me
UseOf

Java Tutorials :

Simple Java RabbitMQ Example with Spring
Simple Springboot JPA Eclipeslink Example
Simple SpringBoot JPA Hibernate Example
Jackson JSON @JsonIgnore and @JsonIgnoreProperties Examples
Java Infinite recursion (StackOverflowError) Jackson solutions
Simple Java Jackson Serialize Objects to JSON and convert them back To Object
ElasticSearch 5 - Upload files using Java API in binary field Example
Java JAXB marshall unmarshall Examples from String and Stream
Java 8 forEach List and Map examples
ElasticSearch 5 Java API SearchRequestBuilder examples
Java ElasticSearch 5 examples with node index and mapping - running local
Convert String to int or Integer Java 8
Java 9 in action - JShell - Ubuntu
Java - removing invalid characters from a file name
Hello world!? or Hello Tutorial