public SimilarityVisualization(SimilarityMeasureObject sim, ExampleSet exampleSet) {
super();
setLayout(new BorderLayout());
DistanceMeasure measure = sim.getDistanceMeasure();
ButtonGroup group = new ButtonGroup();
JPanel togglePanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
// similarity table
final JComponent tableView = new SimilarityTable(measure, exampleSet);
final JRadioButton tableButton = new JRadioButton("Table View", true);
tableButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (tableButton.isSelected()) {
remove(1);
add(tableView, BorderLayout.CENTER);
repaint();
}
}
});
group.add(tableButton);
togglePanel.add(tableButton);
// graph view
final JComponent graphView =
new GraphViewer<String, String>(new SimilarityGraphCreator(measure, exampleSet));
final JRadioButton graphButton = new JRadioButton("Graph View", false);
graphButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (graphButton.isSelected()) {
remove(1);
add(graphView, BorderLayout.CENTER);
repaint();
}
}
});
group.add(graphButton);
togglePanel.add(graphButton);
// histogram view
DataTable dataTable = new SimpleDataTable("Histogram", new String[] {"Histogram"});
double sampleRatio = Math.min(1.0d, 500.0d / exampleSet.size());
Random random = new Random();
int i = 0;
for (Example example : exampleSet) {
int j = 0;
for (Example compExample : exampleSet) {
if (i != j && random.nextDouble() < sampleRatio) {
double simValue = measure.calculateSimilarity(example, compExample);
dataTable.add(new SimpleDataTableRow(new double[] {simValue}));
}
j++;
}
i++;
}
final PlotterConfigurationModel settings =
new PlotterConfigurationModel(PlotterConfigurationModel.HISTOGRAM_PLOT, dataTable);
settings.enablePlotColumn(0);
settings.setParameterAsInt(HistogramChart.PARAMETER_NUMBER_OF_BINS, 100);
final JRadioButton histogramButton = new JRadioButton("Histogram View", false);
histogramButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (histogramButton.isSelected()) {
remove(1);
add(settings.getPlotter().getPlotter(), BorderLayout.CENTER);
repaint();
}
}
});
group.add(histogramButton);
togglePanel.add(histogramButton);
// K distance view
final SimilarityKDistanceVisualization kDistancePlotter =
new SimilarityKDistanceVisualization(measure, exampleSet);
final JRadioButton kdistanceButton = new JRadioButton("k-Distance View", false);
kdistanceButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (kdistanceButton.isSelected()) {
remove(1);
add(kDistancePlotter, BorderLayout.CENTER);
repaint();
}
}
});
group.add(kdistanceButton);
togglePanel.add(kdistanceButton);
add(togglePanel, BorderLayout.NORTH);
add(tableView, BorderLayout.CENTER);
}
private void addEdges() {
// remove old edges if available
Iterator<String> e = edgeLabelMap.keySet().iterator();
while (e.hasNext()) {
graph.removeEdge(e.next());
}
edgeLabelMap.clear();
boolean isDistance = measure.isDistance();
Attribute id = exampleSet.getAttributes().getId();
List<SortableEdge> sortableEdges = new LinkedList<SortableEdge>();
for (int i = 0; i < exampleSet.size(); i++) {
Example example = exampleSet.getExample(i);
for (int j = i + 1; j < exampleSet.size(); j++) {
Example comExample = exampleSet.getExample(j);
if (isDistance)
sortableEdges.add(
new SortableEdge(
example.getValueAsString(id),
comExample.getValueAsString(id),
null,
measure.calculateDistance(example, comExample),
SortableEdge.DIRECTION_INCREASE));
else
sortableEdges.add(
new SortableEdge(
example.getValueAsString(id),
comExample.getValueAsString(id),
null,
measure.calculateSimilarity(example, comExample),
SortableEdge.DIRECTION_DECREASE));
}
}
Collections.sort(sortableEdges);
int numberOfEdges = distanceSlider.getValue();
int counter = 0;
double minStrength = Double.POSITIVE_INFINITY;
double maxStrength = Double.NEGATIVE_INFINITY;
Map<String, Double> strengthMap = new HashMap<String, Double>();
for (SortableEdge sortableEdge : sortableEdges) {
if (counter > numberOfEdges) break;
String idString = edgeFactory.create();
graph.addEdge(
idString,
sortableEdge.getFirstVertex(),
sortableEdge.getSecondVertex(),
EdgeType.UNDIRECTED);
edgeLabelMap.put(idString, Tools.formatIntegerIfPossible(sortableEdge.getEdgeValue()));
double strength = sortableEdge.getEdgeValue();
minStrength = Math.min(minStrength, strength);
maxStrength = Math.max(maxStrength, strength);
strengthMap.put(idString, strength);
counter++;
}
for (Entry<String, Double> entry : strengthMap.entrySet()) {
edgeStrengthMap.put(
entry.getKey(), (entry.getValue() - minStrength) / (maxStrength - minStrength));
}
}
