de.erichseifert.gral.data.DataTable Java Examples

public SineGraph() throws FileNotFoundException, IOException {
	setDefaultCloseOperation(EXIT_ON_CLOSE);
	setSize(1600, 1400);

	DataTable data = new DataTable(Double.class, Double.class);
	for (double x = -5.0; x <= 5.0; x+=0.25) {
           double y = 5.0*Math.sin(x);
           data.add(x, y);
       }

	XYPlot plot = new XYPlot(data);
	getContentPane().add(new InteractivePanel(plot));
	LineRenderer lines = new DefaultLineRenderer2D();
	plot.setLineRenderer(data, lines);
	Color color = new Color(0.0f, 0.0f, 0.0f);
	plot.getPointRenderer(data).setColor(color);
	plot.getLineRenderer(data).setColor(color);
}
 

@SuppressWarnings("unchecked")
public ScatterPlot() {
	// Generate 100,000 data points
	DataTable data = new DataTable(Double.class, Double.class);
	for (int i = 0; i <= SAMPLE_COUNT; i++) {
		data.add(random.nextGaussian()*2.0,  random.nextGaussian()*2.0);
	}

	// Create a new xy-plot
	XYPlot plot = new XYPlot(data);

	// Format plot
	plot.setInsets(new Insets2D.Double(20.0, 40.0, 40.0, 40.0));
	plot.getTitle().setText(getDescription());

	// Format points
	plot.getPointRenderer(data).setColor(COLOR1);

	// Add plot to Swing component
	add(new InteractivePanel(plot), BorderLayout.CENTER);
}
 

public AreaPlot() {
	// Generate data
	DataTable data = new DataTable(Double.class, Double.class, Double.class, Double.class);
	for (double x = 0.0; x < 50; x ++) {
		double y1 = Double.NaN, y2 = Double.NaN, y3 = Double.NaN;
		y1 = random.nextGaussian();
		y2 = random.nextGaussian();
		y3 = random.nextGaussian();
		data.add(x, y1, y2, y3);
	}

	// Create data series
	DataSeries data1 = new DataSeries("series 1", data, 0, 1);
	DataSeries data2 = new DataSeries("series 2", data, 0, 2);
	DataSeries data3 = new DataSeries("series 3", data, 0, 3);

	// Create new xy-plot
	XYPlot plot = new XYPlot(data1, data2, data3);
	plot.setLegendVisible(true);
	plot.setInsets(new Insets2D.Double(20.0, 40.0, 20.0, 20.0));

	// Format data series
	formatFilledArea(plot, data1, COLOR2);
	formatFilledArea(plot, data2, COLOR1);
	formatLineArea(plot, data3, GraphicsUtils.deriveDarker(COLOR1));

	// Add plot to Swing component
	add(new InteractivePanel(plot));
}
 

@SuppressWarnings("unchecked")
public SimplePiePlot() {
	// Create data
	DataTable data = new DataTable(Integer.class);
	for (int i = 0; i < SAMPLE_COUNT; i++) {
		int val = random.nextInt(8) + 2;
		data.add((random.nextDouble() <= 0.15) ? -val : val);
	}

	// Create new pie plot
	PiePlot plot = new PiePlot(data);

	// Format plot
	plot.getTitle().setText(getDescription());
	// Change relative size of pie
	plot.setRadius(0.9);
	// Display a legend
	plot.setLegendVisible(true);
	// Add some margin to the plot area
	plot.setInsets(new Insets2D.Double(20.0, 40.0, 40.0, 40.0));

	PieSliceRenderer pointRenderer =
			(PieSliceRenderer) plot.getPointRenderer(data);
	// Change relative size of inner region
	pointRenderer.setInnerRadius(0.4);
	// Change the width of gaps between segments
	pointRenderer.setGap(0.2);
	// Change the colors
	LinearGradient colors = new LinearGradient(COLOR1, COLOR2);
	pointRenderer.setColor(colors);
	// Show labels
	pointRenderer.setValueVisible(true);
	pointRenderer.setValueColor(Color.WHITE);
	pointRenderer.setValueFont(Font.decode(null).deriveFont(Font.BOLD));

	// Add plot to Swing component
	add(new InteractivePanel(plot), BorderLayout.CENTER);
}
 

@SuppressWarnings("unchecked")
public SimpleBoxPlot() {
	setPreferredSize(new Dimension(400, 600));

	// Create example data
	DataTable data = new DataTable(Integer.class, Integer.class, Integer.class);
	for (int i = 0; i < SAMPLE_COUNT; i++) {
		int x = (int) Math.round(5.0*random.nextGaussian());
		int y = (int) Math.round(5.0*random.nextGaussian());
		int z = (int) Math.round(5.0*random.nextGaussian());
		data.add(x, y, z);
	}

	// Create new box-and-whisker plot
	DataSource boxData = BoxPlot.createBoxData(data);
	BoxPlot plot = new BoxPlot(boxData);

	// Format plot
	plot.setInsets(new Insets2D.Double(20.0, 50.0, 40.0, 20.0));

	// Format axes
	plot.getAxisRenderer(BoxPlot.AXIS_X).setCustomTicks(
		DataUtils.map(
				new Double[] {1.0, 2.0, 3.0},
				new String[] {"Column 1", "Column 2", "Column 3"}
		)
	);

	// Format boxes
	/*Stroke stroke = new BasicStroke(2f);
	ScaledContinuousColorMapper colors =
		new LinearGradient(GraphicsUtils.deriveBrighter(COLOR1), Color.WHITE);
	colors.setRange(1.0, 3.0);*/

	BoxWhiskerRenderer pointRenderer =
			(BoxWhiskerRenderer) plot.getPointRenderer(boxData);
	/*pointRenderer.setWhiskerStroke(stroke);
	pointRenderer.setBoxBorderStroke(stroke);
	pointRenderer.setBoxBackground(colors);*/
	pointRenderer.setBoxBorderColor(COLOR1);
	pointRenderer.setWhiskerColor(COLOR1);
	pointRenderer.setCenterBarColor(COLOR1);

	plot.getNavigator().setDirection(XYNavigationDirection.VERTICAL);

	// Add plot to Swing component
	InteractivePanel panel = new InteractivePanel(plot);
	add(panel);
}
 

@SuppressWarnings("unchecked")
public SimpleBarPlot() {
	// Create example data
	DataTable data = new DataTable(Double.class, Integer.class, String.class);
	data.add(0.1,  1, "January");
	data.add(0.2,  3, "February");
	data.add(0.3, -2, "March");
	data.add(0.4,  6, "April");
	data.add(0.5, -4, "May");
	data.add(0.6,  8, "June");
	data.add(0.7,  9, "July");
	data.add(0.8, 11, "August");

	// Create new bar plot
	BarPlot plot = new BarPlot(data);

	// Format plot
	plot.setInsets(new Insets2D.Double(40.0, 40.0, 40.0, 40.0));
	plot.setBarWidth(0.075);

	// Format bars
	BarRenderer pointRenderer = (BarRenderer) plot.getPointRenderer(data);
	pointRenderer.setColor(
		new LinearGradientPaint(0f,0f, 0f,1f,
				new float[] { 0.0f, 1.0f },
				new Color[] { COLOR1, GraphicsUtils.deriveBrighter(COLOR1) }
		)
	);
	/*pointRenderer.setBorderStroke(new BasicStroke(3f));
	pointRenderer.setBorderColor(
		new LinearGradientPaint(0f,0f, 0f,1f,
				new float[] { 0.0f, 1.0f },
				new Color[] { GraphicsUtils.deriveBrighter(COLOR1), COLOR1 }
		)
	);*/
	pointRenderer.setValueVisible(true);
	pointRenderer.setValueColumn(2);
	pointRenderer.setValueLocation(Location.CENTER);
	pointRenderer.setValueColor(GraphicsUtils.deriveDarker(COLOR1));
pointRenderer.setValueFont(Font.decode(null).deriveFont(Font.BOLD));

	// Add plot to Swing component
	add(new InteractivePanel(plot));
}
 

public HistogramPlot() {
	// Create example data
	Random random = new Random();
	DataTable data = new DataTable(Double.class);
	for (int i = 0; i < SAMPLE_COUNT; i++) {
		data.add(random.nextGaussian());
	}

	// Create histogram from data
	Histogram1D histogram = new Histogram1D(data, Orientation.VERTICAL,
			new Number[] {-4.0, -3.2, -2.4, -1.6, -0.8, 0.0, 0.8, 1.6, 2.4, 3.2, 4.0});
	// Create a second dimension (x axis) for plotting
	DataSource histogram2d = new EnumeratedData(histogram, (-4.0 + -3.2)/2.0, 0.8);

	// Create new bar plot
	BarPlot plot = new BarPlot(histogram2d);

	// Format plot
	plot.setInsets(new Insets2D.Double(20.0, 65.0, 50.0, 40.0));
	plot.getTitle().setText(
			String.format("Distribution of %d random samples", data.getRowCount()));
	plot.setBarWidth(0.78);

	// Format x axis
	plot.getAxisRenderer(BarPlot.AXIS_X).setTickAlignment(0.0);
	plot.getAxisRenderer(BarPlot.AXIS_X).setTickSpacing(0.8);
	plot.getAxisRenderer(BarPlot.AXIS_X).setMinorTicksVisible(false);
	// Format y axis
	plot.getAxis(BarPlot.AXIS_Y).setRange(0.0,
			MathUtils.ceil(histogram.getStatistics().get(Statistics.MAX)*1.1, 25.0));
	plot.getAxisRenderer(BarPlot.AXIS_Y).setTickAlignment(0.0);
	plot.getAxisRenderer(BarPlot.AXIS_Y).setMinorTicksVisible(false);
	plot.getAxisRenderer(BarPlot.AXIS_Y).setIntersection(-4.4);

	// Format bars
	plot.getPointRenderer(histogram2d).setColor(
		GraphicsUtils.deriveWithAlpha(COLOR1, 128));
	plot.getPointRenderer(histogram2d).setValueVisible(true);

	// Add plot to Swing component
	InteractivePanel panel = new InteractivePanel(plot);
	panel.setPannable(false);
	panel.setZoomable(false);
	add(panel);
}
 

@Override
protected AbstractPlot getGralPlot() {

  // Create XY plot with data
  DataTable data = new DataTable(Double.class, Double.class);
  for (Pair<Double, Double> point : this.points) {
    data.add(point.getFirst(), point.getSecond());
  }

  DataSeries series = new DataSeries("Series", data);

  XYPlot plot = new XYPlot(series);

  // Customize plot
  plot.setBackground(PlotSettings.getBackgroundColor());

  PointRenderer pr = new DefaultPointRenderer2D();
  pr.setShape(new Ellipse2D.Double(-3.0, -3.0, 6.0, 6.0));
  pr.setColor(GraphicsUtils.deriveWithAlpha(PlotSettings.getColor(0), 128));
  plot.setPointRenderers(series, pr);

  plot.setInsets(
      new Insets2D.Double(
          PlotSettings.getClearInset(),
          PlotSettings.getyAxisInset(),
          PlotSettings.getxAxisInset(),
          PlotSettings.getClearInset()));

  // Customize x axis
  AxisRenderer xAxisRenderer = plot.getAxisRenderer(XYPlot.AXIS_X);

  xAxisRenderer.setLabel(new Label(xLabel));
  xAxisRenderer.getLabel().setFont(PlotSettings.getPrimaryFont());
  xAxisRenderer.setLabelDistance(PlotSettings.getxAxisLabelDistance());

  xAxisRenderer.setTickFont(PlotSettings.getSecondaryFont());
  xAxisRenderer.setTickLabelFormat(NumberFormat.getInstance(Locale.US));
  xAxisRenderer.setTicksAutoSpaced(true);

  // Customize y axis
  AxisRenderer yAxisRenderer = plot.getAxisRenderer(XYPlot.AXIS_Y);

  yAxisRenderer.setLabel(new Label(yLabel));
  yAxisRenderer.getLabel().setFont(PlotSettings.getPrimaryFont());
  yAxisRenderer.getLabel().setRotation(90);
  yAxisRenderer.setLabelDistance(PlotSettings.getyAxisLabelDistance());

  yAxisRenderer.setTickFont(PlotSettings.getSecondaryFont());
  yAxisRenderer.setTickLabelFormat(NumberFormat.getInstance(Locale.US));
  yAxisRenderer.setTicksAutoSpaced(true);

  xAxisRenderer.setIntersection(-Double.MAX_VALUE);
  yAxisRenderer.setIntersection(-Double.MAX_VALUE);

  // Customize navigator settings
  plot.getNavigator().setZoom(0.9);
  plot.getNavigator().setZoomable(false);

  return plot;
}