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

Example 76 with Node

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

the class GraphDistanceNGTest method testDirectedCyclicGraphBetweenness.

@Test
public void testDirectedCyclicGraphBetweenness() {
    GraphModel graphModel = GraphGenerator.generateCyclicDirectedGraph(5);
    GraphDistance d = new GraphDistance();
    d.initializeStartValues();
    DirectedGraph directedGraph = graphModel.getDirectedGraph();
    HashMap<Node, Integer> indicies = d.createIndiciesMap(graphModel.getGraph());
    HashMap<String, double[]> metricsMap = (HashMap) d.calculateDistanceMetrics(graphModel.getGraph(), indicies, true, false);
    double[] betweenness = metricsMap.get(GraphDistance.BETWEENNESS);
    Node n1 = directedGraph.getNode("0");
    Node n3 = directedGraph.getNode("2");
    int index1 = indicies.get(n1);
    int index3 = indicies.get(n3);
    assertEquals(betweenness[index1], 6.0, TOLERANCE);
    assertEquals(betweenness[index3], 6.0, TOLERANCE);
}

Example 77 with Node

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

the class AddNodeToGraph method execute.

@Override
public void execute() {
    String label = JOptionPane.showInputDialog(null, NbBundle.getMessage(AddNodeToGraph.class, "AddNodeToGraph.dialog.text"), NbBundle.getMessage(AddNodeToGraph.class, "AddNodeToGraph.name"), JOptionPane.QUESTION_MESSAGE);
    if (label != null) {
        Node node = Lookup.getDefault().lookup(GraphElementsController.class).createNode(label);
        Lookup.getDefault().lookup(DataTablesController.class).setNodeTableSelection(new Node[] { node });
    }
}

Example 78 with Node

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

the class AddEdgeToGraphUI method setup.

@Override
public void setup(Manipulator m, DialogControls dialogControls) {
    this.manipulator = (AddEdgeToGraph) m;
    if (manipulator.isDirected()) {
        directedRadioButton.setSelected(true);
    } else {
        undirectedRadioButton.setSelected(true);
    }
    graph = Lookup.getDefault().lookup(GraphController.class).getGraphModel().getGraph();
    nodes = graph.getNodes().toArray();
    workspace = Lookup.getDefault().lookup(ProjectController.class).getCurrentWorkspace();
    for (Node n : nodes) {
        sourceNodesComboBox.addItem(n.getId() + " - " + n.getLabel());
        targetNodesComboBox.addItem(n.getId() + " - " + n.getLabel());
    }
    SelectedOptions selectedOptions = workspace.getLookup().lookup(SelectedOptions.class);
    if (selectedOptions != null) {
        setNodeComboBoxSelection(sourceNodesComboBox, selectedOptions.source);
        setNodeComboBoxSelection(targetNodesComboBox, selectedOptions.target);
        edgeTypeComboBox.setSelectedItem(selectedOptions.edgeType);
    } else {
        workspace.add(new SelectedOptions());
    }
    refreshAvailableEdgeTypes();
    dialogControls.setOkButtonEnabled(nodes.length > 0);
}

Example 79 with Node

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

the class AttributeColumnsControllerImpl method detectNodeDuplicatesByColumn.

@Override
public List<List<Node>> detectNodeDuplicatesByColumn(Column column, boolean caseSensitive) {
    final HashMap<String, List<Node>> valuesMap = new HashMap<>();
    Graph graph = Lookup.getDefault().lookup(GraphController.class).getGraphModel().getGraph();
    Object value;
    String strValue;
    TimeFormat timeFormat = graph.getModel().getTimeFormat();
    DateTimeZone timeZone = graph.getModel().getTimeZone();
    for (Node node : graph.getNodes().toArray()) {
        value = node.getAttribute(column);
        if (value != null) {
            strValue = AttributeUtils.print(value, timeFormat, timeZone);
            if (!caseSensitive) {
                strValue = strValue.toLowerCase();
            }
            if (valuesMap.containsKey(strValue)) {
                valuesMap.get(strValue).add(node);
            } else {
                ArrayList<Node> newGroup = new ArrayList<>();
                newGroup.add(node);
                valuesMap.put(strValue, newGroup);
            }
        }
    }
    final List<List<Node>> groupsList = new ArrayList<>();
    for (List<Node> group : valuesMap.values()) {
        if (group.size() > 1) {
            groupsList.add(group);
        }
    }
    return groupsList;
}

Example 80 with Node

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

the class GraphElementsControllerImpl method buildNode.

private Node buildNode(Graph graph, String label, String id) {
    Node newNode;
    if (id != null) {
        newNode = graph.getModel().factory().newNode(id);
    } else {
        newNode = graph.getModel().factory().newNode();
    }
    newNode.setSize(DEFAULT_NODE_SIZE);
    newNode.setLabel(label);
    //Set random position to the node:
    newNode.setX((float) ((0.01 + Math.random()) * 1000) - 500);
    newNode.setY((float) ((0.01 + Math.random()) * 1000) - 500);
    return newNode;
}