Beispiel #1
0
  /**
   * Constructs a ClutoTree diaplay which is initialized with tableModel as the data model, and the
   * given selection model.
   *
   * @param clutoSolution The clustering solution
   * @param tableContext The context which manages views and selections.
   * @param tableModel the data model for the parallel coordinate display
   */
  public ClutoTree(ClutoSolution clutoSolution, TableContext tableContext, TableModel tableModel) {
    ctx = tableContext;
    tm = tableModel;
    lsm = ctx.getRowSelectionModel(tm);

    // labelModel
    int ncol = tm.getColumnCount();
    for (int i = 0; i < ncol; i++) {
      labelModel.addElement(tm.getColumnName(i));
    }

    setLayout(new BorderLayout());
    btnP = new JToolBar();
    add(btnP, BorderLayout.NORTH);
    labelChoice.addItemListener(
        new ItemListener() {
          public void itemStateChanged(ItemEvent e) {
            if (e.getStateChange() == ItemEvent.SELECTED) {
              labelColumn = 0;
              String ln = (String) e.getItem();
              if (ln != null) {
                for (int c = 0; c < tm.getColumnCount(); c++) {
                  if (ln.equals(tm.getColumnName(c))) {
                    labelColumn = c;
                    break;
                  }
                }
              }
              graph.invalidate();
              validate();
              repaint();
            }
          }
        });
    btnP.add(labelChoice);

    graph = new SimpleGraph();
    graph.getGraphDisplay().setOpaque(true);
    graph.getGraphDisplay().setBackground(Color.white);
    graph.getGraphDisplay().setGridColor(new Color(220, 220, 220));
    graph.showGrid(false);
    graph.showAxis(BorderLayout.WEST, false);
    graph.showAxis(BorderLayout.EAST, true);
    graph.getAxisDisplay(BorderLayout.EAST).setZoomable(true);
    graph.getAxisDisplay(BorderLayout.EAST).setAxisLabeler(labeler);
    ((LinearAxis) graph.getYAxis()).setTickIncrement(-1.);
    graph.getAxisDisplay(BorderLayout.SOUTH).setZoomable(true);
    gs = new GraphSegments();
    gs.setColor(Color.blue);
    idxSelColor = new IndexSelectColor(Color.cyan, null, new DefaultListSelectionModel());
    gs.setIndexedColor(idxSelColor);
    graph.addGraphItem(gs);
    graph.getGraphDisplay().addMouseListener(ma);

    add(graph);
    if (lsm != null) {
      lsm.addListSelectionListener(selListener);
    }
    display(makeTree(clutoSolution));
  }
Beispiel #2
0
 /**
  * Return a label for the given point on the graph axis
  *
  * @param value the value on the graph
  * @return the label for the given value
  */
 private String getLeafLabel(double value) {
   String label = Double.toString(value);
   try {
     int v = (int) value;
     int r = idxMap.getSrc(v);
     if (r < 0 || r >= tm.getRowCount()) {
       return "";
     }
     if (labelColumn >= 0 && labelColumn < tm.getColumnCount()) {
       Object o = tm.getValueAt(r, labelColumn);
       return o != null ? o.toString() : "";
     }
   } catch (Exception ex) {
     ExceptionHandler.popupException("" + ex);
   }
   try {
     label = Integer.toString((int) value);
   } catch (Exception ex) {
     ExceptionHandler.popupException("" + ex);
   }
   return label;
 }
Beispiel #3
0
 /**
  * Display the tree rooted at node tn in the graph as a dendogram.
  *
  * @param tn the root node of the tree to display
  */
 private void display(TreeNode tn) {
   double[] segs = dendogram(tn);
   double distance = 10.;
   if (tn instanceof Cluster) {
     distance = ((Cluster) tn).getSimilarity();
   } else {
     distance = ((DefaultMutableTreeNode) tn).getDepth();
   }
   gs.setData(segs, GraphDataModel.FORMAT_XY);
   graph.getXAxis().setMin(distance);
   graph.getXAxis().setMax(0.);
   graph.getYAxis().setMin(tm.getRowCount() - .5);
   graph.getYAxis().setMax(-.5);
   repaint();
 }