Exemplo n.º 1
0
    protected void initSimulator(ForceSimulator fsim) {
      // make sure we have force items to work with
      TupleSet t = (TupleSet) m_vis.getGroup(m_group);
      t.addColumns(ANCHORITEM_SCHEMA);
      t.addColumns(FORCEITEM_SCHEMA);

      Iterator iter = m_vis.visibleItems(m_nodeGroup);
      while (iter.hasNext()) {
        VisualItem item = (VisualItem) iter.next();
        // get force item
        ForceItem fitem = (ForceItem) item.get(FORCEITEM);
        if (fitem == null) {
          fitem = new ForceItem();
          item.set(FORCEITEM, fitem);
        }
        fitem.location[0] = (float) item.getEndX();
        fitem.location[1] = (float) item.getEndY();
        fitem.mass = getMassValue(item);

        // get spring anchor
        ForceItem aitem = (ForceItem) item.get(ANCHORITEM);
        if (aitem == null) {
          aitem = new ForceItem();
          item.set(ANCHORITEM, aitem);
          aitem.location[0] = fitem.location[0];
          aitem.location[1] = fitem.location[1];
        }

        fsim.addItem(fitem);
        fsim.addSpring(fitem, aitem, 0);
      }
    }
  public void clear() {
    // System.err.println("run clear");
    ForceSimulator fsim = getForceSimulator();
    fsim.clear();

    // make sure we have force items to work with
    TupleSet t = (TupleSet) m_vis.getGroup(m_nodeGroup);

    Iterator iter = m_vis.visibleItems(m_nodeGroup);
    while (iter.hasNext()) {
      VisualItem item = (VisualItem) iter.next();
      if (!item.canGet(ANCHORITEM, ForceItem.class)) break;
      // get force item
      ForceItem fitem = (ForceItem) item.get(FORCEITEM);
      if (fitem != null) {
        fitem.location[0] = (float) item.getEndX();
        fitem.location[1] = (float) item.getEndY();
        fitem.mass = getMassValue(item);

        // get spring anchor
        ForceItem aitem = (ForceItem) item.get(ANCHORITEM);
        // only reset if an anchor exists
        if (aitem != null) {
          aitem.location[0] = fitem.location[0];
          aitem.location[1] = fitem.location[1];

          fsim.addItem(fitem);
          fsim.addSpring(fitem, aitem, 0);
        }
      }
    }
  }
  public AnchoredForceDirectedLayout(String nodes, boolean enforceBounds, float springForce) {
    super(nodes, enforceBounds, false);

    ForceSimulator fsim = new ForceSimulator();
    fsim.addForce(new SpringForce(springForce, 0f));
    fsim.addForce(new DragForce());
    setForceSimulator(fsim);

    m_nodeGroup = nodes;
    m_edgeGroup = null;
  }
Exemplo n.º 4
0
    public DataMountainForceLayout(boolean enforceBounds) {
      super("data", enforceBounds, false);

      ForceSimulator fsim = new ForceSimulator();
      fsim.addForce(new NBodyForce(-0.4f, 25f, NBodyForce.DEFAULT_THETA));
      fsim.addForce(new SpringForce(1e-5f, 0f));
      fsim.addForce(new DragForce());
      setForceSimulator(fsim);

      m_nodeGroup = "data";
      m_edgeGroup = null;
    }
  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);
    int[] palette =
        new int[] {
          ColorLib.rgb(77, 175, 74),
          ColorLib.rgb(55, 126, 184),
          ColorLib.rgb(228, 26, 28),
          ColorLib.rgb(152, 78, 163),
          ColorLib.rgb(255, 127, 0)
        };

    int[] shape_palette =
        new int[] {Constants.SHAPE_ELLIPSE, Constants.SHAPE_RECTANGLE, Constants.SHAPE_TRIANGLE_UP};

    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

    /*      ShapeRenderer s = new ShapeRenderer();
    s.rectangle(0, 0, 30, 30);
    vis.setRendererFactory(new DefaultRendererFactory(s));*/

    MyRenderer tr = new MyRenderer(label);
    // MyRenderer tr = new MyRenderer(label);
    DefaultRendererFactory d = new DefaultRendererFactory(tr);

    EdgeRenderer MyEdgeRenderer = new EdgeRenderer();
    d.add(new InGroupPredicate(edges), MyEdgeRenderer);
    vis.setRendererFactory(d);

    // -- set up the actions ----------------------------------------------

    int maxhops = 1024, hops = 1024;
    final GraphDistanceFilter filter = new GraphDistanceFilter(graph, hops);

    ActionList draw = new ActionList();
    draw.add(filter);

    // draw.add(new ColorAction(nodes, VisualItem.FILLCOLOR, ColorLib.rgb(180,180,255)));
    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(100)));
    draw.add(new ColorAction(edges, VisualItem.STROKECOLOR, ColorLib.gray(170)));
    draw.add(new DataShapeAction(nodes, "type", shape_palette));

    DataColorAction fill =
        new DataColorAction(
            "graph.nodes", "type", Constants.NOMINAL, VisualItem.FILLCOLOR, palette);
    // use black for node text
    ColorAction text = new ColorAction("graph.nodes", VisualItem.TEXTCOLOR, ColorLib.gray(0));
    // use light grey for edges
    ColorAction edges = new ColorAction("graph.edges", VisualItem.STROKECOLOR, ColorLib.gray(200));

    // create an action list containing all color assignments
    ActionList color = new ActionList();
    color.add(fill);
    color.add(text);
    color.add(edges);

    //        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));

    // Instead have to use  GridLayout here - how do i create
    ForceDirectedLayout fdl = new ForceDirectedLayout(graph);
    // GridLayout fdl = new GridLayout(graph);
    ForceSimulator fsim = fdl.getForceSimulator();
    fsim.getForces()[0].setParameter(0, -5f);

    ActionList animate = new ActionList(Activity.INFINITY);
    // ActionList animate = new ActionList(vis);

    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");
    vis.putAction("color", color);
    // vis.putAction("layout", layout);

    // --------------------------------------------------------------------
    // STEP 4: set up a display to show the visualization

    Display display = new Display(vis);
    display.setSize(2000, 2000);
    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
    return split;
  }