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  3. org.apache.commons.collections15.functors.ConstantTransformer

Java 类org.apache.commons.collections15.functors.ConstantTransformer 实例源码

项目：VarJ    文件：TestTransformerUtils.java    
public void testSwitchMapTransformer() {
    Transformer a = TransformerUtils.constantTransformer("A");
    Transformer b = TransformerUtils.constantTransformer("B");
    Transformer c = TransformerUtils.constantTransformer("C");

    Map map = new HashMap();
    map.put("HELLO", a);
    map.put("THERE", b);
    assertEquals(null, TransformerUtils.switchMapTransformer(map).transform("WELL"));
    assertEquals("A", TransformerUtils.switchMapTransformer(map).transform("HELLO"));
    assertEquals("B", TransformerUtils.switchMapTransformer(map).transform("THERE"));
    map.put(null, c);
    assertEquals("C", TransformerUtils.switchMapTransformer(map).transform("WELL"));

    assertSame(ConstantTransformer.NULL_INSTANCE, TransformerUtils.switchMapTransformer(new HashMap()));
    map = new HashMap();
    map.put(null, null);
    assertSame(ConstantTransformer.NULL_INSTANCE, TransformerUtils.switchMapTransformer(map));

    try {
        TransformerUtils.switchMapTransformer(null);
        fail();
    } catch (IllegalArgumentException ex) {
    }
}
项目：netTransformer    文件：ShowHideEdgeLabelsMenuHandler.java    
@Override
public void actionPerformed(ActionEvent e) {
    GraphViewerPanel viewerPanel = (GraphViewerPanel) frame.getTabbedPane().getSelectedComponent();
    if(viewerPanel.isEdgeLabel()){
        viewerPanel.getVisualizationViewer().getRenderContext().setEdgeLabelTransformer(new ConstantTransformer(null));
        viewerPanel.getVisualizationViewer().repaint();
        viewerPanel.setEdgeLabel(false);
    }
    else{
        viewerPanel.getVisualizationViewer().getRenderContext().setEdgeLabelTransformer(new ToStringLabeller<String>());
        viewerPanel.getVisualizationViewer().repaint();
        viewerPanel.setEdgeLabel(true);

    }


}
项目：BfROpenLab    文件：MinimumSpanningForest.java    
/**
 * Creates a minimum spanning forest from the supplied graph, populating the
 * supplied Forest, which must be empty. 
 * If the supplied root is null, or not present in the Graph,
 * then an arbitrary Graph vertex will be selected as the root.
 * If the Minimum Spanning Tree does not include all vertices of the
 * Graph, then a leftover vertex is selected as a root, and another
 * tree is created
 * @param graph the Graph to find MST in
 * @param forest the Forest to populate. Must be empty
 * @param root first Tree root, may be null
 */
@SuppressWarnings("unchecked")
public MinimumSpanningForest(Graph<V, E> graph, Forest<V,E> forest, 
        V root) {

    if(forest.getVertexCount() != 0) {
        throw new IllegalArgumentException("Supplied Forest must be empty");
    }
    this.graph = graph;
    this.forest = forest;
    this.weights = LazyMap.decorate(new HashMap<E,Double>(),
            new ConstantTransformer(1.0));
    Set<E> unfinishedEdges = new HashSet<E>(graph.getEdges());
    if(graph.getVertices().contains(root)) {
        this.forest.addVertex(root);
    }
    updateForest(forest.getVertices(), unfinishedEdges);
}
项目：ODL    文件：MinimumSpanningForest.java    
/**
 * Creates a minimum spanning forest from the supplied graph, populating the
 * supplied Forest, which must be empty. 
 * If the supplied root is null, or not present in the Graph,
 * then an arbitrary Graph vertex will be selected as the root.
 * If the Minimum Spanning Tree does not include all vertices of the
 * Graph, then a leftover vertex is selected as a root, and another
 * tree is created
 * @param graph the Graph to find MST in
 * @param forest the Forest to populate. Must be empty
 * @param root first Tree root, may be null
 */
@SuppressWarnings("unchecked")
public MinimumSpanningForest(Graph<V, E> graph, Forest<V,E> forest, 
        V root) {

    if(forest.getVertexCount() != 0) {
        throw new IllegalArgumentException("Supplied Forest must be empty");
    }
    this.graph = graph;
    this.forest = forest;
    this.weights = LazyMap.decorate(new HashMap<E,Double>(),
            new ConstantTransformer(1.0));
    Set<E> unfinishedEdges = new HashSet<E>(graph.getEdges());
    if(graph.getVertices().contains(root)) {
        this.forest.addVertex(root);
    }
    updateForest(forest.getVertices(), unfinishedEdges);
}
项目：incubator-batchee    文件：DiagramGenerator.java    
private Layout<Node, Edge> newLayout(final Diagram diagram) {
    final Layout<Node, Edge> diagramLayout;
    if (layout != null && layout.startsWith("spring")) {
        diagramLayout = new SpringLayout<Node, Edge>(diagram, new ConstantTransformer(Integer.parseInt(config("spring", "100"))));
    } else if (layout != null && layout.startsWith("kk")) {
        Distance<Node> distance = new DijkstraDistance<Node, Edge>(diagram);
        if (layout.endsWith("unweight")) {
            distance = new UnweightedShortestPath<Node, Edge>(diagram);
        }
        diagramLayout = new KKLayout<Node, Edge>(diagram, distance);
    } else if (layout != null && layout.equalsIgnoreCase("circle")) {
        diagramLayout = new CircleLayout<Node, Edge>(diagram);
    } else if (layout != null && layout.equalsIgnoreCase("fr")) {
        diagramLayout = new FRLayout<Node, Edge>(diagram);
    } else {
        final LevelLayout levelLayout = new LevelLayout(diagram);
        levelLayout.adjust = adjust;

        diagramLayout = levelLayout;
    }
    return diagramLayout;
}
项目：mdp-plan-revision    文件：VisualizationImageServerDemo.java    
/**
 * 
 */
public VisualizationImageServerDemo() {

    // create a simple graph for the demo
    graph = new DirectedSparseMultigraph<String, Number>();
    String[] v = createVertices(10);
    createEdges(v);

    vv =  new VisualizationImageServer<String,Number>(new KKLayout<String,Number>(graph), new Dimension(600,600));

    vv.getRenderer().setVertexRenderer(
            new GradientVertexRenderer<String,Number>(
                    Color.white, Color.red, 
                    Color.white, Color.blue,
                    vv.getPickedVertexState(),
                    false));
    vv.getRenderContext().setEdgeDrawPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowDrawPaintTransformer(new ConstantTransformer(Color.lightGray));

    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    vv.getRenderer().getVertexLabelRenderer().setPositioner(new InsidePositioner());
    vv.getRenderer().getVertexLabelRenderer().setPosition(Renderer.VertexLabel.Position.AUTO);

    // create a frome to hold the graph
    final JFrame frame = new JFrame();
    Container content = frame.getContentPane();

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Image im = vv.getImage(new Point2D.Double(300,300), new Dimension(600,600));
    Icon icon = new ImageIcon(im);
    JLabel label = new JLabel(icon);
    content.add(label);
    frame.pack();
    frame.setVisible(true);
}
项目：VarJ    文件：TestTransformerUtils.java    
public void testConstantTransformer() {
    assertEquals(cObject, TransformerUtils.constantTransformer(cObject).transform(null));
    assertEquals(cObject, TransformerUtils.constantTransformer(cObject).transform(cObject));
    assertEquals(cObject, TransformerUtils.constantTransformer(cObject).transform(cString));
    assertEquals(cObject, TransformerUtils.constantTransformer(cObject).transform(cInteger));
    assertSame(ConstantTransformer.NULL_INSTANCE, TransformerUtils.constantTransformer(null));
}
项目：VarJ    文件：TestTransformerUtils.java    
public void testMapTransformer() {
    Map map = new HashMap();
    map.put(null, new Integer(0));
    map.put(cObject, new Integer(1));
    map.put(cString, new Integer(2));
    assertEquals(new Integer(0), TransformerUtils.mapTransformer(map).transform(null));
    assertEquals(new Integer(1), TransformerUtils.mapTransformer(map).transform(cObject));
    assertEquals(new Integer(2), TransformerUtils.mapTransformer(map).transform(cString));
    assertEquals(null, TransformerUtils.mapTransformer(map).transform(cInteger));
    assertSame(ConstantTransformer.NULL_INSTANCE, TransformerUtils.mapTransformer(null));
}
项目：netTransformer    文件：ShowHideNodeLabelsMenuHandler.java    
@Override
public void actionPerformed(ActionEvent e) {
    GraphViewerPanel viewerPanel = (GraphViewerPanel) frame.getTabbedPane().getSelectedComponent();
    if(viewerPanel.isVertexLabel()){
        viewerPanel.getVisualizationViewer().getRenderContext().setVertexLabelTransformer(new ConstantTransformer(null));
        viewerPanel.getVisualizationViewer().repaint();
        viewerPanel.setVertexLabel(false);
    }
    else{
        viewerPanel.getVisualizationViewer().getRenderContext().setVertexLabelTransformer(new ToStringLabeller<String>());
        viewerPanel.getVisualizationViewer().repaint();
        viewerPanel.setVertexLabel(true);

    }
}
项目：dominoes    文件：TreePane.java    
public TreePane(Dominoes domino) {


        // create a simple graph for the demo
        graph = new DelegateForest<>();
        graph.addVertex(domino.getHistoric());

        this.createTree(domino.getHistoric());

        treeLayout = new TreeLayout<>(graph);

        final DefaultModalGraphMouse graphMouse = new DefaultModalGraphMouse();
        vv = new VisualizationViewer<>(treeLayout, new Dimension(600, 600));
        vv.setBackground(Color.white);
        vv.getRenderContext().setVertexFillPaintTransformer(new ConstantTransformer(Color.GRAY));
        vv.getRenderContext().setEdgeFillPaintTransformer(new ConstantTransformer(Color.BLACK));
        vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line());
        vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
        vv.setGraphMouse(graphMouse);
        // add a listener for ToolTips
        vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.WHITE));



        SwingNode s = new SwingNode();
        s.setContent(vv);
        this.getChildren().add(s);

    }
项目：BfROpenLab    文件：VertexShapeFactory.java    
/**
    * Creates a <code>VertexShapeFactory</code> with a constant size of
    * 10 and a constant aspect ratio of 1.
    */
   @SuppressWarnings("unchecked")
public VertexShapeFactory()
   {
       this(new ConstantTransformer(10), 
           new ConstantTransformer(1.0f));
   }
项目：BfROpenLab    文件：BetweennessCentrality.java    
/**
 * Calculates betweenness scores based on the all-pairs unweighted shortest paths
 * in the graph.
 * @param graph the graph for which the scores are to be calculated
 */
@SuppressWarnings("unchecked")
public BetweennessCentrality(Graph<V, E> graph) 
{
    initialize(graph);
    computeBetweenness(new LinkedList<V>(), new ConstantTransformer(1));
}
项目：BfROpenLab    文件：HITSWithPriors.java    
/**
 * Creates an instance for the specified graph, vertex priors, and random
 * jump probability (alpha).  The edge weights default to 1.0.
 * @param g the input graph
 * @param vertex_priors the prior probability for each vertex
 * @param alpha the probability of a random jump at each step
 */
@SuppressWarnings("unchecked")
public HITSWithPriors(Hypergraph<V,E> g, 
      Transformer<V, HITS.Scores> vertex_priors, double alpha)
{
    super(g, new ConstantTransformer(1.0), vertex_priors, alpha);
    disappearing_potential = new HITS.Scores(0,0);
}
项目：ODL    文件：BetweennessCentrality.java    
/**
 * Calculates betweenness scores based on the all-pairs unweighted shortest paths
 * in the graph.
 * @param graph the graph for which the scores are to be calculated
 */
@SuppressWarnings("unchecked")
public BetweennessCentrality(Graph<V, E> graph) 
{
    initialize(graph);
    computeBetweenness(new LinkedList<V>(), new ConstantTransformer(1));
}
项目：ODL    文件：HITSWithPriors.java    
/**
 * Creates an instance for the specified graph, vertex priors, and random
 * jump probability (alpha).  The edge weights default to 1.0.
 * @param g the input graph
 * @param vertex_priors the prior probability for each vertex
 * @param alpha the probability of a random jump at each step
 */
@SuppressWarnings("unchecked")
public HITSWithPriors(Hypergraph<V,E> g, 
      Transformer<V, HITS.Scores> vertex_priors, double alpha)
{
    super(g, new ConstantTransformer(1.0), vertex_priors, alpha);
    disappearing_potential = new HITS.Scores(0,0);
}
项目：KBDeX    文件：KNetworkVertexDecorationController.java    
@SuppressWarnings({ "unchecked", "rawtypes" })
private Transformer<V, Shape> getShape() {
    Transformer<V, Shape> vertexShapeTransformer = new ConstantTransformer(
            new Ellipse2D.Float(-currentSize, -currentSize,
                    currentSize * 2, currentSize * 2));
    return vertexShapeTransformer;
}
项目：KBDeX    文件：VisualizationImageServerDemo.java    
/**
 * 
 */
public VisualizationImageServerDemo() {

    // create a simple graph for the demo
    graph = new DirectedSparseMultigraph<String, Number>();
    String[] v = createVertices(10);
    createEdges(v);

    vv =  new VisualizationImageServer<String,Number>(new KKLayout<String,Number>(graph), new Dimension(600,600));

    vv.getRenderer().setVertexRenderer(
            new GradientVertexRenderer<String,Number>(
                    Color.white, Color.red, 
                    Color.white, Color.blue,
                    vv.getPickedVertexState(),
                    false));
    vv.getRenderContext().setEdgeDrawPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowDrawPaintTransformer(new ConstantTransformer(Color.lightGray));

    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    vv.getRenderer().getVertexLabelRenderer().setPositioner(new InsidePositioner());
    vv.getRenderer().getVertexLabelRenderer().setPosition(Renderer.VertexLabel.Position.AUTO);

    // create a frome to hold the graph
    final JFrame frame = new JFrame();
    Container content = frame.getContentPane();

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Image im = vv.getImage(new Point2D.Double(300,300), new Dimension(600,600));
    Icon icon = new ImageIcon(im);
    JLabel label = new JLabel(icon);
    content.add(label);
    frame.pack();
    frame.setVisible(true);
}
项目：t4f-data    文件：VisualizationImageServerDemo.java    
/**
 * 
 */
public VisualizationImageServerDemo() {

    // create a simple graph for the demo
    graph = new DirectedSparseMultigraph<String, Number>();
    String[] v = createVertices(10);
    createEdges(v);

    vv =  new VisualizationImageServer<String,Number>(new KKLayout<String,Number>(graph), new Dimension(600,600));

    vv.getRenderer().setVertexRenderer(
            new GradientVertexRenderer<String,Number>(
                    Color.white, Color.red, 
                    Color.white, Color.blue,
                    vv.getPickedVertexState(),
                    false));
    vv.getRenderContext().setEdgeDrawPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowDrawPaintTransformer(new ConstantTransformer(Color.lightGray));

    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    vv.getRenderer().getVertexLabelRenderer().setPositioner(new InsidePositioner());
    vv.getRenderer().getVertexLabelRenderer().setPosition(Renderer.VertexLabel.Position.AUTO);

    // create a frome to hold the graph
    final JFrame frame = new JFrame();
    Container content = frame.getContentPane();

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Image im = vv.getImage(new Point2D.Double(300,300), new Dimension(600,600));
    Icon icon = new ImageIcon(im);
    JLabel label = new JLabel(icon);
    content.add(label);
    frame.pack();
    frame.setVisible(true);
}
项目：mdp-plan-revision    文件：PluggableRendererDemo.java    
public JPanel startFunction() {
        Graph<Integer,Number> g = getGraph();

        Layout<Integer,Number> layout = new FRLayout<Integer,Number>(g);
//        layout.setSize(new Dimension(5000,5000));
        vv = new VisualizationViewer<Integer,Number>(layout);

        PickedState<Integer> picked_state = vv.getPickedVertexState();

//        affineTransformer = vv.getLayoutTransformer();
        self_loop = new SelfLoopEdgePredicate<Integer,Number>();
        // create decorators
        seedFillColor = new SeedFillColor<Integer>(picked_state);
        seedDrawColor = new SeedDrawColor<Integer>(picked_state);
        ewcs = 
            new EdgeWeightStrokeFunction<Number>(edge_weight);
        vsh = new VertexStrokeHighlight<Integer,Number>(g, picked_state);
        vff = new VertexFontTransformer<Integer>();
        eff = new EdgeFontTransformer<Number>();
        vs_none = new ConstantTransformer(null);
        es_none = new ConstantTransformer(null);
        vssa = new VertexShapeSizeAspect<Integer,Number>(g, voltages);
        show_edge = new DirectionDisplayPredicate<Integer,Number>(true, true);
        show_arrow = new DirectionDisplayPredicate<Integer,Number>(true, false);
        show_vertex = new VertexDisplayPredicate<Integer,Number>(false);

        // uses a gradient edge if unpicked, otherwise uses picked selection
        edgeDrawPaint = 
            new GradientPickedEdgePaintFunction<Integer,Number>(
                    new PickableEdgePaintTransformer<Number>(
                            vv.getPickedEdgeState(),Color.black,Color.cyan), vv);
        edgeFillPaint = 
            new GradientPickedEdgePaintFunction<Integer,Number>(
                    new PickableEdgePaintTransformer<Number>(
                            vv.getPickedEdgeState(),Color.black,Color.cyan), vv);

        vv.getRenderContext().setVertexFillPaintTransformer(seedFillColor);
        vv.getRenderContext().setVertexDrawPaintTransformer(seedDrawColor);
        vv.getRenderContext().setVertexStrokeTransformer(vsh);
        vv.getRenderContext().setVertexLabelTransformer(vs_none);
        vv.getRenderContext().setVertexFontTransformer(vff);
        vv.getRenderContext().setVertexShapeTransformer(vssa);
        vv.getRenderContext().setVertexIncludePredicate(show_vertex);

        vv.getRenderContext().setEdgeDrawPaintTransformer( edgeDrawPaint );
        vv.getRenderContext().setEdgeLabelTransformer(es_none);
        vv.getRenderContext().setEdgeFontTransformer(eff);
        vv.getRenderContext().setEdgeStrokeTransformer(ewcs);
        vv.getRenderContext().setEdgeIncludePredicate(show_edge);
        vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line<Integer,Number>());
        vv.getRenderContext().setEdgeArrowPredicate(show_arrow);

        vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
        vv.getRenderContext().setArrowDrawPaintTransformer(new ConstantTransformer(Color.black));
        JPanel jp = new JPanel();
        jp.setLayout(new BorderLayout());

        vv.setBackground(Color.white);
        GraphZoomScrollPane scrollPane = new GraphZoomScrollPane(vv);
        jp.add(scrollPane);
        gm = new DefaultModalGraphMouse<Integer, Number>();
        vv.setGraphMouse(gm);
        gm.add(new PopupGraphMousePlugin());

        addBottomControls( jp );
        vssa.setScaling(true);

        vv.setVertexToolTipTransformer(new VoltageTips<Number>());
        vv.setToolTipText("<html><center>Use the mouse wheel to zoom<p>Click and Drag the mouse to pan<p>Shift-click and Drag to Rotate</center></html>");



        return jp;
    }
项目：mdp-plan-revision    文件：AddNodeDemo.java    
@Override
    public void init() {

        //create a graph
        Graph<Number,Number> ig = Graphs.<Number,Number>synchronizedDirectedGraph(new DirectedSparseMultigraph<Number,Number>());

        ObservableGraph<Number,Number> og = new ObservableGraph<Number,Number>(ig);
        og.addGraphEventListener(new GraphEventListener<Number,Number>() {

            public void handleGraphEvent(GraphEvent<Number, Number> evt) {
                System.err.println("got "+evt);

            }});

        this.g = og;
        //create a graphdraw
        layout = new FRLayout2<Number,Number>(g);
//        ((FRLayout)layout).setMaxIterations(200);

        vv = new VisualizationViewer<Number,Number>(layout, new Dimension(600,600));

        JRootPane rp = this.getRootPane();
        rp.putClientProperty("defeatSystemEventQueueCheck", Boolean.TRUE);

        getContentPane().setLayout(new BorderLayout());
        getContentPane().setBackground(java.awt.Color.lightGray);
        getContentPane().setFont(new Font("Serif", Font.PLAIN, 12));

        vv.getModel().getRelaxer().setSleepTime(500);
        vv.setGraphMouse(new DefaultModalGraphMouse<Number,Number>());

        vv.getRenderer().getVertexLabelRenderer().setPosition(Renderer.VertexLabel.Position.CNTR);
        vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<Number>());
        vv.setForeground(Color.white);
        getContentPane().add(vv);
        switchLayout = new JButton("Switch to SpringLayout");
        switchLayout.addActionListener(new ActionListener() {

            @SuppressWarnings("unchecked")
            public void actionPerformed(ActionEvent ae) {
                Dimension d = new Dimension(600,600);
                if (switchLayout.getText().indexOf("Spring") > 0) {
                    switchLayout.setText("Switch to FRLayout");
                    layout = new SpringLayout<Number,Number>(g,
                        new ConstantTransformer(EDGE_LENGTH));
                    layout.setSize(d);
                    vv.getModel().setGraphLayout(layout, d);
                } else {
                    switchLayout.setText("Switch to SpringLayout");
                    layout = new FRLayout<Number,Number>(g, d);
                    vv.getModel().setGraphLayout(layout, d);
                }
            }
        });

        getContentPane().add(switchLayout, BorderLayout.SOUTH);

        timer = new Timer();
    }
项目：xeed    文件：GenealogyGraphPanel.java    
public void InitiateGraph(Character[] cs, Template[] templates, Color[] colors, String[] picture_keys,
                          String[] extra_keys) {

    Map<CharacterNode, Icon> iconMap = new HashMap<CharacterNode, Icon>();

    characters = new CharacterNode[cs.length];
    for (int x = 0; x < cs.length; x++) {

        characters[x] = new CharacterNode(cs[x]);

        for (int y = 0; y < templates.length; y++) {

            if (cs[x].templateIdentifier.equals(templates[y].GetTemplateID())) {

                characters[x].color = colors[y];
                characters[x].extra_key = extra_keys[y];

                ImageIcon img = XEED.RescaleImageIcon((ImageIcon) cs[x].imgData.get(picture_keys[y]), ImageMaxSize,
                        ImageMaxSize);

                if (img != null) {
                    iconMap.put(characters[x], new LayeredIcon(img.getImage()));
                }

            }

        }
    }

    // creates the graph
    graph = new DelegateForest<CharacterNode, Integer>();

    //Loads the tree data
    createTree();

    //Sets up the transformer that paints the node.
    Transformer<CharacterNode, Paint> vertexPaint = new Transformer<CharacterNode, Paint>() {

        @Override
        public Paint transform(CharacterNode cn) {
            ;
            return cn.color;
        }
    };

    final DefaultVertexIconTransformer<CharacterNode> vertexIconFunction = new DefaultVertexIconTransformer<CharacterNode>();
    vertexIconFunction.setIconMap(iconMap);

    final VertexIconShapeTransformer<CharacterNode> vertexImageShapeFunction = new VertexIconShapeTransformer<CharacterNode>(
            new EllipseVertexShapeTransformer<CharacterNode>());
    vertexImageShapeFunction.setIconMap(iconMap);

    treeLayout = new TreeLayout<CharacterNode, Integer>(graph, TreeLayout.DEFAULT_DISTX * 3);

    //Skriva en anpassad metod för att bestämma platser.
    //använd treeLayout.setLocation();

    vv = new VisualizationViewer<CharacterNode, Integer>(treeLayout);
    vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line());
    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    vv.getRenderContext().setVertexShapeTransformer(vertexImageShapeFunction);
    vv.getRenderContext().setVertexIconTransformer(vertexIconFunction);
    // add a listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller());
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setVertexFillPaintTransformer(vertexPaint);
    vv.getRenderer().getVertexLabelRenderer().setPosition(Position.AUTO);

    Container content = this;
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);
    panel.setVisible(true);
    content.validate();

    final DefaultModalGraphMouse graphMouse = new DefaultModalGraphMouse();
    vv.setGraphMouse(graphMouse);

    graphMouse.setMode(ModalGraphMouse.Mode.TRANSFORMING);

}
项目：minipascal    文件：AST.java    
@SuppressWarnings({ "rawtypes", "unchecked" })
public static void render(Node tree) {
    // Grafo
    Factory<DirectedGraph<Node, Integer>> factory = DirectedOrderedSparseMultigraph
            .<Node, Integer> getFactory();
    graph = new DelegateTree<Node, Integer>(factory);

    // Adiciona os v�rtices ao grafo
    graph.addVertex(tree);
    build(tree);

    // Layout
    TreeLayout<Node, Integer> layout = new TreeLayout<Node, Integer>(graph,
            75, 50);

    // Visualiza��o
    VisualizationViewer<Node, Integer> vv = new VisualizationViewer<Node, Integer>(
            layout);
    VertexLabelAsShapeRenderer<Node, Integer> vlasr = new VertexLabelAsShapeRenderer<Node, Integer>(
            vv.getRenderContext());

    /* V�rtices */
    // Cor da borda
    vv.getRenderContext().setVertexDrawPaintTransformer(
            new ConstantTransformer(Color.black));
    // Cor de fundo
    vv.getRenderContext().setVertexFillPaintTransformer(
            new ConstantTransformer(Color.lightGray));
    // R�tulo como string
    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    // Formato retangular
    vv.getRenderContext().setVertexShapeTransformer(vlasr);
    // Posiciona texto dentro
    vv.getRenderer().setVertexLabelRenderer(vlasr);

    /* Arestas */
    // Remove a seta da aresta
    vv.getRenderContext().setEdgeArrowPredicate(
            new Predicate<Context<Graph<Node, Integer>, Integer>>() {
                @Override
                public boolean evaluate(
                        Context<Graph<Node, Integer>, Integer> arg0) {
                    return false;
                }
            });
    // Formato da linha
    vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line());

    // Habilita suporte ao mouse
    final DefaultModalGraphMouse<Node, Integer> graphMouse = new DefaultModalGraphMouse<Node, Integer>();
    vv.setGraphMouse(graphMouse);

    // Cria a janela do JFrame
    JFrame jf = new JFrame();
    jf.getContentPane().add(vv);
    jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    jf.setTitle("Abstract Syntax Tree");
    jf.pack();
    jf.setExtendedState(JFrame.MAXIMIZED_BOTH);
    jf.setVisible(true);
}
项目：netTransformer    文件：GraphViewerPanel.java    
private void createPanel() {
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    this.setLayout(new BorderLayout());
    this.add(panel);

    AbstractModalGraphMouse graphMouse = createModalGraphMouse();

    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<String>());
    vv.getRenderContext().setVertexLabelRenderer(new MyDefaultVertexLabelRenderer(Color.BLACK, Color.RED));
    vv.getRenderContext().setEdgeLabelTransformer(new ConstantTransformer(null));
    vv.getRenderContext().setEdgeLabelRenderer(new MyDefaultEdgeLabelRenderer(Color.BLACK, Color.RED));

    vv.getRenderContext().setLabelOffset(18);
    setEdgeLabel(false);
    setVertexLabel(true);

    vv.setGraphMouse(graphMouse);
    vv.setToolTipText("<html><center>Type 'p' for Pick mode<p>Type 't' for Transform mode");

    final ScalingControl scaler = new CrossoverScalingControl();
    JToggleButton mouseModeButton = createMouseModeButton(graphMouse);
    JButton plus = createZoomInButton(scaler);
    JButton minus = createZoomOutButton(scaler);
    createFilterCombo(jComboBox);

    JComboBox hopsCombo = createHopsCombo();
    JButton update = createUpdateButton();
    JButton reload = createReloadButton();
    JButton saveView = createSaveButton();
    JButton loadView = createLoadButton();
    JButton redraw = createRedrawAroundButton();
    controls = new JPanel();
    controls.add(saveView);
    controls.add(loadView);
    controls.add(mouseModeButton);
    controls.add(jComboBox);
    controls.add(update);
    controls.add(reload);
    controls.add(plus);
    controls.add(minus);
    controls.add(hopsCombo);
    controls.add(redraw);
    controls.add(createCaptureButton());
    this.add(controls, BorderLayout.SOUTH);

    if (!entireGraph.containsVertex(initialNode)) {
        applyFilter(currentFilter, currentHops);
    } else {
        SetPickedState(initialNode);
        Set<String> vertexes = new HashSet<String>();
        vertexes.add(initialNode);
        applyFilter(currentFilter, currentHops, vertexes);
    }
}
项目：BfROpenLab    文件：AbstractVertexShapeTransformer.java    
@SuppressWarnings("unchecked")
public AbstractVertexShapeTransformer()
   {
       this(new ConstantTransformer(DEFAULT_SIZE), 
               new ConstantTransformer(DEFAULT_ASPECT_RATIO));
   }
项目：BfROpenLab    文件：PrimMinimumSpanningTree.java    
/**
 * Creates an instance which generates a minimum spanning tree assuming constant edge weights.
 */
public PrimMinimumSpanningTree(Factory<? extends Graph<V,E>> factory) {
    this(factory, new ConstantTransformer(1.0));
}
项目：Hecataeus    文件：Viewers.java    
protected VisualizationViewer<VisualNode, VisualEdge> SetViewers(Layout<VisualNode, VisualEdge> layout, HecataeusViewer viewer) {

        this.viewer = viewer;
        vv = new VisualizationViewer<VisualNode, VisualEdge>(layout);
        Dimension prefferedSize = Toolkit.getDefaultToolkit().getScreenSize();
        vv = new VisualizationViewer<VisualNode, VisualEdge>(layout);
        vv.setSize(new Dimension((int)prefferedSize.getWidth()/2,(int)prefferedSize.getHeight()/2));
        vv.setBackground(Color.white);
        vv.setPickSupport(new LayoutLensShapePickSupport<VisualNode, VisualEdge>(vv));

        vv.setVertexToolTipTransformer(new VisualNodeToolTips());
        vv.setEdgeToolTipTransformer(new VisualEdgeToolTips());
        // the labels of the Vertices
        vv.getRenderContext().setVertexLabelTransformer(new VisualNodeLabel());
        vv.getRenderer().getVertexLabelRenderer().setPosition(Position.AUTO); 

        vv.getRenderContext().setEdgeStrokeTransformer(new ConstantTransformer(new BasicStroke(0.1f)));
        // the fonts of the vertices
        vv.getRenderContext().setVertexFontTransformer(new VisualNodeFont(new Font(Font.SANS_SERIF, Font.PLAIN, 13)));         //node size
        //the shape of the edges
        vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line());  //quad 
        // the labels of the Edges
        vv.getRenderContext().setEdgeLabelTransformer(new VisualEdgeLabel());
        // call the setVertexPaintFunction to paint the nodes
        vv.getRenderContext().setVertexFillPaintTransformer(new VisualNodeColor(vv.getPickedVertexState()));

        //set edge color
        vv.getRenderContext().setEdgeDrawPaintTransformer(new VisualEdgeDrawColor(vv.getPickedEdgeState()));
        // call the setEdgePaintFunction to paint the edges
        vv.getRenderContext().setEdgeFillPaintTransformer( new VisualEdgeColor(vv.getPickedEdgeState()));
        // call the setVertexShapeFunction to set the shape of the nodes
        vv.getRenderContext().setVertexShapeTransformer(new VisualNodeShape());
        // call the setNodeVisible to set the shape of the nodes according to
        vv.getRenderContext().setVertexIncludePredicate(new VisualNodeVisible());
        vv.getRenderContext().setVertexIconTransformer(new VisualNodeIcon());

//      double amount = 1.0;
//      ScalingControl scaler = new CrossoverScalingControl();
//      scaler.scale(vv, amount > 0 ? 1.1f : 1 / 1.1f, vv.getCenter());
        vv.getRenderContext().getMultiLayerTransformer().addChangeListener(vv);
        HecataeusModalGraphMouse gm = new HecataeusModalGraphMouse();
        gm.HecataeusViewerPM(viewer);
        vv.setGraphMouse(gm);
        vv.addGraphMouseListener(gm);

        return vv;

    }
项目：ODL    文件：PrimMinimumSpanningTree.java    
/**
 * Creates an instance which generates a minimum spanning tree assuming constant edge weights.
 */
public PrimMinimumSpanningTree(Factory<? extends Graph<V,E>> factory) {
    this(factory, new ConstantTransformer(1.0));
}
项目：KBDeX    文件：PluggableRendererDemo.java    
public JPanel startFunction() {
        Graph<Integer,Number> g = getGraph();

        Layout<Integer,Number> layout = new FRLayout<Integer,Number>(g);
//        layout.setSize(new Dimension(5000,5000));
        vv = new VisualizationViewer<Integer,Number>(layout);

        PickedState<Integer> picked_state = vv.getPickedVertexState();

//        affineTransformer = vv.getLayoutTransformer();
        self_loop = new SelfLoopEdgePredicate<Integer,Number>();
        // create decorators
        seedFillColor = new SeedFillColor<Integer>(picked_state);
        seedDrawColor = new SeedDrawColor<Integer>(picked_state);
        ewcs = 
            new EdgeWeightStrokeFunction<Number>(edge_weight);
        vsh = new VertexStrokeHighlight<Integer,Number>(g, picked_state);
        vff = new VertexFontTransformer<Integer>();
        eff = new EdgeFontTransformer<Number>();
        vs_none = new ConstantTransformer(null);
        es_none = new ConstantTransformer(null);
        vssa = new VertexShapeSizeAspect<Integer,Number>(g, voltages);
        show_edge = new DirectionDisplayPredicate<Integer,Number>(true, true);
        show_arrow = new DirectionDisplayPredicate<Integer,Number>(true, false);
        show_vertex = new VertexDisplayPredicate<Integer,Number>(false);

        // uses a gradient edge if unpicked, otherwise uses picked selection
        edgeDrawPaint = 
            new GradientPickedEdgePaintFunction<Integer,Number>(
                    new PickableEdgePaintTransformer<Number>(
                            vv.getPickedEdgeState(),Color.black,Color.cyan), vv);
        edgeFillPaint = 
            new GradientPickedEdgePaintFunction<Integer,Number>(
                    new PickableEdgePaintTransformer<Number>(
                            vv.getPickedEdgeState(),Color.black,Color.cyan), vv);

        vv.getRenderContext().setVertexFillPaintTransformer(seedFillColor);
        vv.getRenderContext().setVertexDrawPaintTransformer(seedDrawColor);
        vv.getRenderContext().setVertexStrokeTransformer(vsh);
        vv.getRenderContext().setVertexLabelTransformer(vs_none);
        vv.getRenderContext().setVertexFontTransformer(vff);
        vv.getRenderContext().setVertexShapeTransformer(vssa);
        vv.getRenderContext().setVertexIncludePredicate(show_vertex);

        vv.getRenderContext().setEdgeDrawPaintTransformer( edgeDrawPaint );
        vv.getRenderContext().setEdgeLabelTransformer(es_none);
        vv.getRenderContext().setEdgeFontTransformer(eff);
        vv.getRenderContext().setEdgeStrokeTransformer(ewcs);
        vv.getRenderContext().setEdgeIncludePredicate(show_edge);
        vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line<Integer,Number>());
        vv.getRenderContext().setEdgeArrowPredicate(show_arrow);

        vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
        vv.getRenderContext().setArrowDrawPaintTransformer(new ConstantTransformer(Color.black));
        JPanel jp = new JPanel();
        jp.setLayout(new BorderLayout());

        vv.setBackground(Color.white);
        GraphZoomScrollPane scrollPane = new GraphZoomScrollPane(vv);
        jp.add(scrollPane);
        gm = new DefaultModalGraphMouse<Integer, Number>();
        vv.setGraphMouse(gm);
        gm.add(new PopupGraphMousePlugin());

        addBottomControls( jp );
        vssa.setScaling(true);

        vv.setVertexToolTipTransformer(new VoltageTips<Number>());
        vv.setToolTipText("<html><center>Use the mouse wheel to zoom<p>Click and Drag the mouse to pan<p>Shift-click and Drag to Rotate</center></html>");



        return jp;
    }
项目：KBDeX    文件：AddNodeDemo.java    
@Override
    public void init() {

        //create a graph
        Graph<Number,Number> ig = Graphs.<Number,Number>synchronizedDirectedGraph(new DirectedSparseMultigraph<Number,Number>());

        ObservableGraph<Number,Number> og = new ObservableGraph<Number,Number>(ig);
        og.addGraphEventListener(new GraphEventListener<Number,Number>() {

            public void handleGraphEvent(GraphEvent<Number, Number> evt) {
                System.err.println("got "+evt);

            }});
        this.g = og;
        //create a graphdraw
        layout = new FRLayout2<Number,Number>(g);
//        ((FRLayout)layout).setMaxIterations(200);

        vv = new VisualizationViewer<Number,Number>(layout, new Dimension(600,600));

        JRootPane rp = this.getRootPane();
        rp.putClientProperty("defeatSystemEventQueueCheck", Boolean.TRUE);

        getContentPane().setLayout(new BorderLayout());
        getContentPane().setBackground(java.awt.Color.lightGray);
        getContentPane().setFont(new Font("Serif", Font.PLAIN, 12));

        vv.getModel().getRelaxer().setSleepTime(500);
        vv.setGraphMouse(new DefaultModalGraphMouse<Number,Number>());

        vv.getRenderer().getVertexLabelRenderer().setPosition(Renderer.VertexLabel.Position.CNTR);
        vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<Number>());
        vv.setForeground(Color.white);
        getContentPane().add(vv);
        switchLayout = new JButton("Switch to SpringLayout");
        switchLayout.addActionListener(new ActionListener() {

            @SuppressWarnings("unchecked")
            public void actionPerformed(ActionEvent ae) {
                Dimension d = new Dimension(600,600);
                if (switchLayout.getText().indexOf("Spring") > 0) {
                    switchLayout.setText("Switch to FRLayout");
                    layout = new SpringLayout<Number,Number>(g,
                        new ConstantTransformer(EDGE_LENGTH));
                    layout.setSize(d);
                    vv.getModel().setGraphLayout(layout, d);
                } else {
                    switchLayout.setText("Switch to SpringLayout");
                    layout = new FRLayout<Number,Number>(g, d);
                    vv.getModel().setGraphLayout(layout, d);
                }
            }
        });

        getContentPane().add(switchLayout, BorderLayout.SOUTH);

        timer = new Timer();
    }
项目：t4f-data    文件：PluggableRendererDemo.java    
public JPanel startFunction() {
        Graph<Integer,Number> g = getGraph();

        Layout<Integer,Number> layout = new FRLayout<Integer,Number>(g);
//        layout.setSize(new Dimension(5000,5000));
        vv = new VisualizationViewer<Integer,Number>(layout);

        PickedState<Integer> picked_state = vv.getPickedVertexState();

//        affineTransformer = vv.getLayoutTransformer();
        self_loop = new SelfLoopEdgePredicate<Integer,Number>();
        // create decorators
        seedFillColor = new SeedFillColor<Integer>(picked_state);
        seedDrawColor = new SeedDrawColor<Integer>(picked_state);
        ewcs = 
            new EdgeWeightStrokeFunction<Number>(edge_weight);
        vsh = new VertexStrokeHighlight<Integer,Number>(g, picked_state);
        vff = new VertexFontTransformer<Integer>();
        eff = new EdgeFontTransformer<Number>();
        vs_none = new ConstantTransformer(null);
        es_none = new ConstantTransformer(null);
        vssa = new VertexShapeSizeAspect<Integer,Number>(g, voltages);
        show_edge = new DirectionDisplayPredicate<Integer,Number>(true, true);
        show_arrow = new DirectionDisplayPredicate<Integer,Number>(true, false);
        show_vertex = new VertexDisplayPredicate<Integer,Number>(false);

        // uses a gradient edge if unpicked, otherwise uses picked selection
        edgeDrawPaint = 
            new GradientPickedEdgePaintFunction<Integer,Number>(
                    new PickableEdgePaintTransformer<Number>(
                            vv.getPickedEdgeState(),Color.black,Color.cyan), vv);
        edgeFillPaint = 
            new GradientPickedEdgePaintFunction<Integer,Number>(
                    new PickableEdgePaintTransformer<Number>(
                            vv.getPickedEdgeState(),Color.black,Color.cyan), vv);

        vv.getRenderContext().setVertexFillPaintTransformer(seedFillColor);
        vv.getRenderContext().setVertexDrawPaintTransformer(seedDrawColor);
        vv.getRenderContext().setVertexStrokeTransformer(vsh);
        vv.getRenderContext().setVertexLabelTransformer(vs_none);
        vv.getRenderContext().setVertexFontTransformer(vff);
        vv.getRenderContext().setVertexShapeTransformer(vssa);
        vv.getRenderContext().setVertexIncludePredicate(show_vertex);

        vv.getRenderContext().setEdgeDrawPaintTransformer( edgeDrawPaint );
        vv.getRenderContext().setEdgeLabelTransformer(es_none);
        vv.getRenderContext().setEdgeFontTransformer(eff);
        vv.getRenderContext().setEdgeStrokeTransformer(ewcs);
        vv.getRenderContext().setEdgeIncludePredicate(show_edge);
        vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line<Integer,Number>());
        vv.getRenderContext().setEdgeArrowPredicate(show_arrow);

        vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
        vv.getRenderContext().setArrowDrawPaintTransformer(new ConstantTransformer(Color.black));
        JPanel jp = new JPanel();
        jp.setLayout(new BorderLayout());

        vv.setBackground(Color.white);
        GraphZoomScrollPane scrollPane = new GraphZoomScrollPane(vv);
        jp.add(scrollPane);
        gm = new DefaultModalGraphMouse<Integer, Number>();
        vv.setGraphMouse(gm);
        gm.add(new PopupGraphMousePlugin());

        addBottomControls( jp );
        vssa.setScaling(true);

        vv.setVertexToolTipTransformer(new VoltageTips<Number>());
        vv.setToolTipText("<html><center>Use the mouse wheel to zoom<p>Click and Drag the mouse to pan<p>Shift-click and Drag to Rotate</center></html>");



        return jp;
    }
项目：t4f-data    文件：AddNodeDemo.java    
@Override
    public void init() {

        //create a graph
        Graph<Number,Number> ig = Graphs.<Number,Number>synchronizedDirectedGraph(new DirectedSparseMultigraph<Number,Number>());

        ObservableGraph<Number,Number> og = new ObservableGraph<Number,Number>(ig);
        og.addGraphEventListener(new GraphEventListener<Number,Number>() {

            public void handleGraphEvent(GraphEvent<Number, Number> evt) {
                System.err.println("got "+evt);

            }});
        this.g = og;
        //create a graphdraw
        layout = new FRLayout2<Number,Number>(g);
//        ((FRLayout)layout).setMaxIterations(200);

        vv = new VisualizationViewer<Number,Number>(layout, new Dimension(600,600));

        JRootPane rp = this.getRootPane();
        rp.putClientProperty("defeatSystemEventQueueCheck", Boolean.TRUE);

        getContentPane().setLayout(new BorderLayout());
        getContentPane().setBackground(java.awt.Color.lightGray);
        getContentPane().setFont(new Font("Serif", Font.PLAIN, 12));

        vv.getModel().getRelaxer().setSleepTime(500);
        vv.setGraphMouse(new DefaultModalGraphMouse<Number,Number>());

        vv.getRenderer().getVertexLabelRenderer().setPosition(Renderer.VertexLabel.Position.CNTR);
        vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<Number>());
        vv.setForeground(Color.white);
        getContentPane().add(vv);
        switchLayout = new JButton("Switch to SpringLayout");
        switchLayout.addActionListener(new ActionListener() {

            @SuppressWarnings("unchecked")
            public void actionPerformed(ActionEvent ae) {
                Dimension d = new Dimension(600,600);
                if (switchLayout.getText().indexOf("Spring") > 0) {
                    switchLayout.setText("Switch to FRLayout");
                    layout = new SpringLayout<Number,Number>(g,
                        new ConstantTransformer(EDGE_LENGTH));
                    layout.setSize(d);
                    vv.getModel().setGraphLayout(layout, d);
                } else {
                    switchLayout.setText("Switch to SpringLayout");
                    layout = new FRLayout<Number,Number>(g, d);
                    vv.getModel().setGraphLayout(layout, d);
                }
            }
        });

        getContentPane().add(switchLayout, BorderLayout.SOUTH);

        timer = new Timer();
    }
项目：BfROpenLab    文件：DijkstraDistance.java    
/**
 * <p>Creates an instance of <code>DijkstraShortestPath</code> for 
 * the specified unweighted graph (that is, all weights 1) which
 * caches results locally.
 * 
 * @param g     the graph on which distances will be calculated
 */ 
@SuppressWarnings("unchecked")
public DijkstraDistance(Graph<V,E> g) {
    this(g, new ConstantTransformer(1), true);
}
项目：BfROpenLab    文件：DijkstraDistance.java    
/**
 * <p>Creates an instance of <code>DijkstraShortestPath</code> for 
 * the specified unweighted graph (that is, all weights 1) which
 * caches results locally.
 * 
 * @param g     the graph on which distances will be calculated
 * @param cached    specifies whether the results are to be cached
 */ 
@SuppressWarnings("unchecked")
public DijkstraDistance(Graph<V,E> g, boolean cached) {
    this(g, new ConstantTransformer(1), cached);
}
项目：BfROpenLab    文件：SpringLayout.java    
/**
 * Constructor for a SpringLayout for a raw graph with associated
 * dimension--the input knows how big the graph is. Defaults to the unit
 * length function.
 */
@SuppressWarnings("unchecked")
public SpringLayout(Graph<V,E> g) {
    this(g, new ConstantTransformer(30));
}
项目：ODL    文件：DijkstraDistance.java    
/**
 * <p>Creates an instance of <code>DijkstraShortestPath</code> for 
 * the specified unweighted graph (that is, all weights 1) which
 * caches results locally.
 * 
 * @param g     the graph on which distances will be calculated
 */ 
@SuppressWarnings("unchecked")
public DijkstraDistance(Hypergraph<V,E> g) {
    this(g, new ConstantTransformer(1), true);
}
项目：ODL    文件：DijkstraDistance.java    
/**
 * <p>Creates an instance of <code>DijkstraShortestPath</code> for 
 * the specified unweighted graph (that is, all weights 1) which
 * caches results locally.
 * 
 * @param g     the graph on which distances will be calculated
 * @param cached    specifies whether the results are to be cached
 */ 
@SuppressWarnings("unchecked")
public DijkstraDistance(Hypergraph<V,E> g, boolean cached) {
    this(g, new ConstantTransformer(1), cached);
}
项目：ODL    文件：SpringLayout.java    
/**
 * Constructor for a SpringLayout for a raw graph with associated
 * dimension--the input knows how big the graph is. Defaults to the unit
 * length function.
 */
@SuppressWarnings("unchecked")
public SpringLayout(Graph<V,E> g) {
    this(g, new ConstantTransformer(30));
}