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

Example 91 with GraphModel

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

the class GraphDistanceNGTest method testOneNodeRadius.

@Test
public void testOneNodeRadius() {
    GraphModel graphModel = GraphGenerator.generateNullUndirectedGraph(1);
    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, 0.0, TOLERANCE);
}

Example 92 with GraphModel

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

the class GraphDistanceNGTest method testPathGraphRadius.

@Test
public void testPathGraphRadius() {
    GraphModel graphModel = GraphGenerator.generatePathUndirectedGraph(6);
    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, 3.0, TOLERANCE);
}

Example 93 with GraphModel

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

the class GraphDistanceNGTest method testStarGraphRadius.

@Test
public void testStarGraphRadius() {
    GraphModel graphModel = GraphGenerator.generateStarUndirectedGraph(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, 1.0, TOLERANCE);
}

Example 94 with GraphModel

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

the class GraphDistanceNGTest method testDirectedCyclicRadius.

@Test
public void testDirectedCyclicRadius() {
    GraphModel graphModel = GraphGenerator.generateCyclicDirectedGraph(5);
    GraphDistance d = new GraphDistance();
    d.initializeStartValues();
    UndirectedGraph undirectedGraph = graphModel.getUndirectedGraph();
    HashMap<Node, Integer> indicies = d.createIndiciesMap(undirectedGraph);
    d.calculateDistanceMetrics(graphModel.getGraph(), indicies, true, false);
    double radius = d.getRadius();
    assertEquals(radius, 4.0, TOLERANCE);
}

Example 95 with GraphModel

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

the class GraphDistanceNGTest method testSpecial2DirectedGraphDiameter.

@Test
public void testSpecial2DirectedGraphDiameter() {
    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);
    GraphDistance d = new GraphDistance();
    d.initializeStartValues();
    UndirectedGraph undirectedGraph = graphModel.getUndirectedGraph();
    HashMap<Node, Integer> indicies = d.createIndiciesMap(undirectedGraph);
    d.calculateDistanceMetrics(graphModel.getGraph(), indicies, true, false);
    double diameter = d.getDiameter();
    assertEquals(diameter, 4.0, TOLERANCE);
}