Example usage for org.jfree.chart.plot CategoryPlot setBackgroundImageAlpha

Introduction

In this page you can find the example usage for org.jfree.chart.plot CategoryPlot setBackgroundImageAlpha.

Prototype

public void setBackgroundImageAlpha(float alpha) 

Source Link

Document

Sets the alpha transparency used when drawing the background image.

Usage

From source file:com.redhat.thermostat.byteman.plot.impl.TestPlotRenderer.java

void renderToFile(Collection<PlotRecord> records, String filename) throws Exception {
    DefaultCategoryDataset ds = new DefaultCategoryDataset();
    for (PlotRecord re : records) {
        Long label = re.getPeriodStart() + ((re.getPeriodEnd() - re.getPeriodStart()) / 2);
        ds.addValue(re.getValue(), re.getCategory(), label);
    }//from   w  ww  . j ava  2 s .  c  o  m
    JFreeChart chart = ChartFactory.createStackedBarChart(EMPTY_STRING, EMPTY_STRING, EMPTY_STRING, ds,
            PlotOrientation.VERTICAL, false, true, false);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setBackgroundPaint(toColor("#FFFFFFFF"));
    plot.setBackgroundImageAlpha((float) 0.0d);
    plot.setDomainGridlinesVisible(true);
    plot.setRangeGridlinePaint(toColor("#FFAAAAAA"));
    //        plot.getRangeAxis().setRange(new Range(ds.getMin(), ds.getMax() * 1.1));
    plot.getRangeAxis().setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    //        plot.getRangeAxis().setLabel(cf.rangeAxisLabel);
    //        colorAxis(plot.getRangeAxis());
    //        colorAxis(plot.getDomainAxis());
    //        plot.getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI * 0.12d));
    //        plot.getDomainAxis().setLowerMargin(cf.domainAxisLowerMargin);
    //        plot.getDomainAxis().setUpperMargin(cf.domainAxisUpperMargin);
    //        plot.getDomainAxis().setLabel(cf.domainAxisLabel);
    BarRenderer3D barrenderer = new StackedBarRenderer3D(16.0d, 12.0d);
    barrenderer.setSeriesPaint(0, toColor("#00FFFFFF"));
    barrenderer.setSeriesPaint(1, toColor("#BB669900"));
    barrenderer.setSeriesPaint(2, toColor("#BBFF8800"));
    barrenderer.setWallPaint(toColor("#FFEEEEEE"));
    //        barrenderer.setBaseItemLabelsVisible(cf.baseItemLabelsVisible);
    barrenderer.setShadowVisible(false);
    barrenderer.setItemMargin(0.0d);
    plot.setRenderer(barrenderer);
    plot.setOutlineVisible(false);

    chartToSvg(chart, 1024, 600, filename);
}

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From source file:graficarordenamiento.Graficador.java

public void crearGrafico() {
    // Creando el Grafico
    chart = ChartFactory.createBarChart("Grfico de barras", null, null, dataset, PlotOrientation.VERTICAL,
            false, false, false);//from  w  ww . ja  v a 2 s  .co m

    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.WHITE, 700, 0, Color.BLACK.brighter(), false));
    chart.setBackgroundImageAlpha(0.5f);
    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setNoDataMessage("NO DATA!");
    plot.setRangeGridlinePaint(Color.red);
    plot.setBackgroundPaint(new GradientPaint(0, 0, Color.LIGHT_GRAY, 0, 100, Color.darkGray));
    plot.setBackgroundImageAlpha(0.5f);
    //plot.setDomainGridlinesVisible(true);

    BarRenderer rend = (BarRenderer) plot.getRenderer();

    final ItemLabelPosition e = new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER,
            TextAnchor.CENTER, 45.0);

    GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, new Color(0, 0, 64));
    GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, new Color(0, 64, 0));
    GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, new Color(64, 0, 0));

    rend.setSeriesPaint(0, gp0);
    rend.setSeriesPaint(1, gp1);
    rend.setSeriesPaint(2, gp2);
    plot.setRenderer(rend);

    // change the margin at the top of the range axis...
    final ValueAxis rangeAxis = plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    rangeAxis.setLowerMargin(0.15);
    rangeAxis.setUpperMargin(0.15);

    // set up gradient paints for series...

}

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From source file:com.rapidminer.gui.viewer.metadata.model.NominalAttributeStatisticsModel.java

/**
 * Creates the histogram chart.//from   ww  w.j  a  va2s  . com
 * 
 * @return
 */
private JFreeChart createBarChart() {
    JFreeChart chart = ChartFactory.createBarChart(null, null, null, createBarDataset(),
            PlotOrientation.VERTICAL, false, false, false);
    AbstractAttributeStatisticsModel.setDefaultChartFonts(chart);
    chart.setBackgroundPaint(null);
    chart.setBackgroundImageAlpha(0.0f);

    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setRangeGridlinesVisible(false);
    plot.setDomainGridlinesVisible(false);
    plot.setOutlineVisible(false);
    plot.setRangeZeroBaselineVisible(false);
    plot.setDomainGridlinesVisible(false);
    plot.setBackgroundPaint(COLOR_INVISIBLE);
    plot.setBackgroundImageAlpha(0.0f);

    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setSeriesPaint(0, AttributeGuiTools.getColorForValueType(Ontology.NOMINAL));
    renderer.setBarPainter(new StandardBarPainter());
    renderer.setDrawBarOutline(true);
    renderer.setShadowVisible(false);

    return chart;
}

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