de.erichseifert.gral.plots.BarPlot Java Examples
The following examples show how to use
de.erichseifert.gral.plots.BarPlot.
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Example #1
Source File: SimpleBarPlot.java From Java-Data-Science-Cookbook with MIT License | 4 votes |
@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)); }
Example #2
Source File: HistogramPlot.java From Java-Data-Science-Cookbook with MIT License | 4 votes |
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); }
Example #3
Source File: HistogramPlot.java From cf4j with Apache License 2.0 | 4 votes |
@Override protected AbstractPlot getGralPlot() { // Create histogram plot double minValue = this.data.getStatistics().get(Statistics.MIN); double maxValue = this.data.getStatistics().get(Statistics.MAX); double barWidth = (maxValue - minValue) / this.numBins; double displayOffset = 10 + Math.abs(minValue); // Hack to avoid visualization of 0 tick label Histogram1D h1d = new Histogram1D(this.data, Orientation.VERTICAL, this.numBins); DataSource histogram = new EnumeratedData(h1d, displayOffset + minValue + barWidth / 2, barWidth); BarPlot plot = new BarPlot(histogram); // Customize plot plot.setBackground(PlotSettings.getBackgroundColor()); plot.setBorderColor(PlotSettings.getBackgroundColor()); plot.setBarWidth(barWidth); plot.setInsets( new Insets2D.Double( PlotSettings.getClearInset(), PlotSettings.getyAxisInset(), PlotSettings.getxAxisInset(), PlotSettings.getClearInset())); BarPlot.BarRenderer barRenderer = (BarPlot.BarRenderer) plot.getPointRenderers(histogram).get(0); barRenderer.setColor(PlotSettings.getColor(0)); barRenderer.setBorderColor(PlotSettings.getBackgroundColor()); barRenderer.setBorderStroke(new BasicStroke(1)); // Customize x axis AxisRenderer xAxisRenderer = plot.getAxisRenderer(BarPlot.AXIS_X); xAxisRenderer.setLabel(new Label(xLabel)); xAxisRenderer.getLabel().setFont(PlotSettings.getPrimaryFont()); xAxisRenderer.setLabelDistance(PlotSettings.getxAxisLabelDistance()); xAxisRenderer.setTickFont(PlotSettings.getSecondaryFont()); xAxisRenderer.setTickSpacing(Double.MAX_VALUE); // Hack to avoid default tick labels xAxisRenderer.setMinorTicksVisible(false); xAxisRenderer.setTickAlignment(0); xAxisRenderer.setTickLength(xAxisRenderer.getTickLength() / 2.0); xAxisRenderer.setIntersection(0); Map<Double, String> xTicks = new HashMap<>(); DecimalFormat df = new DecimalFormat("0.00", new DecimalFormatSymbols(Locale.US)); for (int i = 0; i < this.numBins + 1; i++) { double tick = minValue + i * barWidth; xTicks.put(displayOffset + tick, df.format(tick)); } xAxisRenderer.setCustomTicks(xTicks); double xMin = displayOffset + minValue - (maxValue - minValue) / 1000; double xMax = displayOffset + maxValue + (maxValue - minValue) / 1000; plot.getAxis(BarPlot.AXIS_X).setRange(xMin, xMax); // Customize y axis AxisRenderer yAxisRenderer = plot.getAxisRenderer(BarPlot.AXIS_Y); yAxisRenderer.setLabel(new Label("Count")); 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); yAxisRenderer.setIntersection(displayOffset + minValue); double yMax = histogram.getStatistics().get(Statistics.MAX, Orientation.VERTICAL, 1) * 1.05; plot.getAxis(BarPlot.AXIS_Y).setRange(0, yMax); // Customize navigator settings plot.getNavigator().setZoomable(true); return plot; }