Package prefuse.visual

Examples of prefuse.visual.VisualGraph


   
    public static JComponent demo(Graph g, String label) {

        // create a new, empty visualization for our data
        final Visualization vis = new Visualization();
        VisualGraph vg = vis.addGraph(graph, g);
        vis.setValue(edges, null, VisualItem.INTERACTIVE, Boolean.FALSE);
       
        TupleSet focusGroup = vis.getGroup(Visualization.FOCUS_ITEMS);
        focusGroup.addTupleSetListener(new TupleSetListener() {
            public void tupleSetChanged(TupleSet ts, Tuple[] add, Tuple[] rem)
            {
                for ( int i=0; i<rem.length; ++i )
                    ((VisualItem)rem[i]).setFixed(false);
                for ( int i=0; i<add.length; ++i ) {
                    ((VisualItem)add[i]).setFixed(false);
                    ((VisualItem)add[i]).setFixed(true);
                }
                vis.run("draw");
            }
        });
       
        // set up the renderers
        LabelRenderer tr = new LabelRenderer(label);
        tr.setRoundedCorner(8, 8);
        vis.setRendererFactory(new DefaultRendererFactory(tr));
       
      
       
        // -- set up the actions ----------------------------------------------
       
        int maxhops = 4, hops = 4;
        final GraphDistanceFilter filter = new GraphDistanceFilter(graph, hops);

        ActionList draw = new ActionList();
        draw.add(filter);
        draw.add(new ColorAction(nodes, VisualItem.FILLCOLOR, ColorLib.rgb(200,200,255)));
        draw.add(new ColorAction(nodes, VisualItem.STROKECOLOR, 0));
        draw.add(new ColorAction(nodes, VisualItem.TEXTCOLOR, ColorLib.rgb(0,0,0)));
        draw.add(new ColorAction(edges, VisualItem.FILLCOLOR, ColorLib.gray(200)));
        draw.add(new ColorAction(edges, VisualItem.STROKECOLOR, ColorLib.gray(200)));
       
        ColorAction fill = new ColorAction(nodes,
                VisualItem.FILLCOLOR, ColorLib.rgb(200,200,255));
        fill.add("_fixed", ColorLib.rgb(255,100,100));
        fill.add("_highlight", ColorLib.rgb(255,200,125));
       
        ForceDirectedLayout fdl = new ForceDirectedLayout(graph);
        ForceSimulator fsim = fdl.getForceSimulator();
        fsim.getForces()[0].setParameter(0, -1.2f);
       
        ActionList animate = new ActionList(Activity.INFINITY);
        animate.add(fdl);
        animate.add(fill);
        animate.add(new RepaintAction());
       
        // finally, we register our ActionList with the Visualization.
        // we can later execute our Actions by invoking a method on our
        // Visualization, using the name we've chosen below.
        vis.putAction("draw", draw);
        vis.putAction("layout", animate);
        vis.runAfter("draw", "layout");
       
       
        // --------------------------------------------------------------------
        // STEP 4: set up a display to show the visualization
       
        Display display = new Display(vis);
        display.setSize(500,500);
        display.setForeground(Color.GRAY);
        display.setBackground(Color.WHITE);
       
        // main display controls
        display.addControlListener(new FocusControl(1));
        display.addControlListener(new DragControl());
        display.addControlListener(new PanControl());
        display.addControlListener(new ZoomControl());
        display.addControlListener(new WheelZoomControl());
        display.addControlListener(new ZoomToFitControl());
        display.addControlListener(new NeighborHighlightControl());
       
        display.setForeground(Color.GRAY);
        display.setBackground(Color.WHITE);
       
        // --------------------------------------------------------------------       
        // STEP 5: launching the visualization
       
        // create a panel for editing force values
        final JForcePanel fpanel = new JForcePanel(fsim);
       
        final JValueSlider slider = new JValueSlider("Distance", 0, maxhops, hops);
        slider.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                filter.setDistance(slider.getValue().intValue());
                vis.run("draw");
            }
        });
        slider.setBackground(Color.WHITE);
        slider.setPreferredSize(new Dimension(300,30));
        slider.setMaximumSize(new Dimension(300,30));
       
        Box cf = new Box(BoxLayout.Y_AXIS);
        cf.add(slider);
        cf.setBorder(BorderFactory.createTitledBorder("Connectivity Filter"));
        fpanel.add(cf);
       
        fpanel.add(Box.createVerticalGlue());
       
        // create a new JSplitPane to present the interface
        JSplitPane split = new JSplitPane();
        split.setLeftComponent(display);
        split.setRightComponent(fpanel);
        split.setOneTouchExpandable(true);
        split.setContinuousLayout(false);
        split.setDividerLocation(530);
        split.setDividerLocation(800);
       
       
        // position and fix the default focus node
        NodeItem focus = (NodeItem)vg.getNode(0);
        PrefuseLib.setX(focus, null, 400);
        PrefuseLib.setY(focus, null, 250);
        focusGroup.setTuple(focus);

        // now we run our action list and return
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                                                m_vis.getRendererFactory();
        ((LabelRenderer)drf.getDefaultRenderer()).setTextField(label);
       
        // update graph
        m_vis.removeGroup(graph);
        VisualGraph vg = m_vis.addGraph(graph, g);
        m_vis.setValue(edges, null, VisualItem.INTERACTIVE, Boolean.FALSE);
        VisualItem f = (VisualItem)vg.getNode(0);
        m_vis.getGroup(Visualization.FOCUS_ITEMS).setTuple(f);
        f.setFixed(false);
    }
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        m_t0 = m_t.getTuple(0);
        m_n0 = m_g.getNode(0);
       
        VisualTable vt = (VisualTable)m_vis.add("t", m_t);
        VisualGraph vg = (VisualGraph)m_vis.add("g", m_g);
       
        m_vt0 = vt.getItem(0);
        m_vn0 = (NodeItem)vg.getNode(0);
       
        TupleSet ts = m_vis.getFocusGroup(Visualization.FOCUS_ITEMS);
        ts.addTuple(m_vt0);
        ts.addTuple(m_vn0);
    }
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        VisualTable nt, et;
        nt = addTable(ngroup, graph.getNodeTable(), filter, nodeSchema);
        et = addTable(egroup, graph.getEdgeTable(), filter, edgeSchema);
       
        VisualGraph vg = new VisualGraph(nt, et,
                graph.isDirected(), graph.getNodeKeyField(),
                graph.getEdgeSourceField(), graph.getEdgeTargetField());
        vg.setVisualization(this);
        vg.setGroup(group);
    
        addDataGroup(group, vg, graph);
       
        TupleManager ntm = new TupleManager(nt, vg, TableNodeItem.class);
        TupleManager etm = new TupleManager(et, vg, TableEdgeItem.class);
        nt.setTupleManager(ntm);
        et.setTupleManager(etm);
        vg.setTupleManagers(ntm, etm);
       
        return vg;
    }
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        g.addEdge(0, 3);
        g.addEdge(3, 6);
        g.addEdge(6, 0);
       
        // add visual data groups
        VisualGraph vg = m_vis.addGraph(GRAPH, g);
        m_vis.setInteractive(EDGES, null, false);
        m_vis.setValue(NODES, null, VisualItem.SHAPE,
                new Integer(Constants.SHAPE_ELLIPSE));
       
        AggregateTable at = m_vis.addAggregates(AGGR);
        at.addColumn(VisualItem.POLYGON, float[].class);
        at.addColumn("id", int.class);
       
        // add nodes to aggregates
        // create an aggregate for each 3-clique of nodes
        Iterator nodes = vg.nodes();
        for ( int i=0; i<3; ++i ) {
            AggregateItem aitem = (AggregateItem)at.addItem();
            aitem.setInt("id", i);
            for ( int j=0; j<3; ++j ) {
                aitem.addItem((VisualItem)nodes.next());
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