Example usage for org.jfree.chart.plot ThermometerPlot ThermometerPlot

Introduction

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

Prototype

public ThermometerPlot(ValueDataset dataset) 

Source Link

Document

Creates a new thermometer plot, using default attributes where necessary.

Usage

From source file:org.jfree.chart.demo.ThermometerDemo2.java

/**
 * Creates a new demo./*from   w  w w  .  j av  a  2  s. co  m*/
 *
 * @param title  the frame title.
 */
public ThermometerDemo2(final String title) {

    super(title);

    // create a dataset...
    final DefaultValueDataset dataset = new DefaultValueDataset(new Double(43.0));

    // create the chart...
    final ThermometerPlot plot = new ThermometerPlot(dataset);
    final JFreeChart chart = new JFreeChart("Thermometer Demo 2", // chart title
            JFreeChart.DEFAULT_TITLE_FONT, plot, // plot
            false); // include legend

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
    //    plot.setInsets(new Insets(5, 5, 5, 5));
    //plot.setRangeInfo(ThermometerPlot.NORMAL, 0.0, 55.0, 0.0, 100.0);
    //plot.setRangeInfo(ThermometerPlot.WARNING, 55.0, 75.0, 0.0, 100.0);
    //plot.setRangeInfo(ThermometerPlot.CRITICAL, 75.0, 100.0, 0.0, 100.0);

    plot.setThermometerStroke(new BasicStroke(2.0f));
    plot.setThermometerPaint(Color.lightGray);
    // OPTIONAL CUSTOMISATION COMPLETED.

    // add the chart to a panel...
    final ChartPanel chartPanel = new ChartPanel(chart);
    setContentPane(chartPanel);

}

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From source file:org.cyberoam.iview.charts.Thermometer.java

/**
 * This method generates JFreeChart instance for Thermometer chart with iView customization. 
 * @param reportID//  ww  w.  jav  a2s. c  o m
 * @param rsw
 * @param request
 * @return
 */
public static JFreeChart getChart(int reportID, ResultSetWrapper rsw, HttpServletRequest request) {
    ReportBean reportBean = ReportBean.getRecordbyPrimarykey(reportID);
    JFreeChart chart = null;
    ReportColumnBean reportColumnBean = null;
    GraphBean graphBean = null;
    try {
        DefaultValueDataset dataset = null;
        graphBean = GraphBean.getRecordbyPrimarykey(reportBean.getGraphId());
        reportColumnBean = ReportColumnBean.getRecordByPrimaryKey(reportBean.getReportId(),
                graphBean.getYColumnId());
        String yColumnDBname = reportColumnBean.getDbColumnName();
        rsw.first();
        double used = Double.parseDouble(rsw.getString(yColumnDBname));
        rsw.next();
        double free = Double.parseDouble(rsw.getString(yColumnDBname));
        dataset = new DefaultValueDataset((100 * used) / (used + free));
        ThermometerPlot plot = new ThermometerPlot(dataset);
        chart = new JFreeChart("", // chart title
                JFreeChart.DEFAULT_TITLE_FONT, plot, // plot
                false); // include legend
        chart.setBackgroundPaint(Color.white);
        plot.setThermometerStroke(new BasicStroke(2.0f));
        plot.setThermometerPaint(Color.DARK_GRAY);
        plot.setBulbRadius(30);
        plot.setColumnRadius(15);
        plot.setUnits(ThermometerPlot.UNITS_NONE);
        plot.setMercuryPaint(Color.WHITE);
        plot.setValueFont(new Font("Vandara", Font.CENTER_BASELINE, 12));
        plot.setBackgroundPaint(Color.white);
        plot.setBackgroundAlpha(0.0f);
        plot.setOutlineVisible(false);
        plot.setSubrangeInfo(0, 0, 50);
        plot.setSubrangeInfo(1, 50, 85);
        plot.setSubrangeInfo(2, 85, 100);
        plot.setSubrangePaint(0, new Color(75, 200, 85));
        plot.setSubrangePaint(1, new Color(254, 211, 41));
        plot.setSubrangePaint(2, new Color(255, 85, 85));

    } catch (Exception e) {
        CyberoamLogger.appLog.debug("Thermometer=>getChart.exception : " + e, e);
    }
    return chart;
}

---

From source file:WeatherFrame.java

public WeatherFrame() {
    initComponents();/*from   ww  w  .j  a va2 s .c o m*/

    fc = new JFileChooser();
    fc.setMultiSelectionEnabled(true);

    //only can select a single button a time
    ButtonGroup group = new ButtonGroup();
    group.add(AllRadioButton);
    group.add(YearlyRadioButton);
    group.add(MonthlyRadioButton);
    group.add(WeeklyRadioButton);
    group.add(DailyRadioButton);

    jComboBox1.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "Temperature", "Humidity",
            "Barometric Pressure", "Windspeed", "UVindex", "Raindfall" }));

    TempSet = new TimeSeriesCollection();
    JFreeChart chart = ChartFactory.createXYLineChart("Temperature", "", "Degree Fahrenheit", TempSet,
            PlotOrientation.VERTICAL, true, true, false);
    chart.setBackgroundPaint(Color.white);
    ChartPanel.setLayout(new java.awt.BorderLayout());
    ChartPanel CP = new ChartPanel(chart);
    CP.setPreferredSize(new Dimension(ChartPanel.getWidth(), ChartPanel.getHeight()));
    ChartPanel.add(CP, BorderLayout.CENTER);

    DefaultValueDataset dataset = new DefaultValueDataset(20f);
    ThermometerPlot thermometerplot = new ThermometerPlot(dataset);
    JFreeChart jfreechart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, thermometerplot, true);
    jfreechart.setBackgroundPaint(new Color(240, 240, 240));
    thermometerplot.setThermometerPaint(Color.lightGray);
    thermometerplot.setThermometerStroke(new BasicStroke(2.0F));
    ChartPanel DP = new ChartPanel(jfreechart);
    DP.setPreferredSize(new Dimension(TempThermoPanel.getWidth(), TempThermoPanel.getHeight()));
    TempThermoPanel.setLayout(new java.awt.BorderLayout());
    TempThermoPanel.add(DP);
    TempThermoPanel.validate();
}

---

From source file:it.eng.spagobi.engines.chart.bo.charttypes.dialcharts.Thermometer.java

/**
 * Creates a chart of type thermometer.//from w ww .  j ava 2 s. com
 * 
 * @param chartTitle  the chart title.
 * @param dataset  the dataset.
 * 
 * @return A chart thermometer.
 */

public JFreeChart createChart(DatasetMap datasets) {
    logger.debug("IN");
    Dataset dataset = (Dataset) datasets.getDatasets().get("1");

    ThermometerPlot plot = new ThermometerPlot((ValueDataset) dataset);
    JFreeChart chart = new JFreeChart(name, JFreeChart.DEFAULT_TITLE_FONT, plot, true);
    chart.setBackgroundPaint(color);

    TextTitle title = setStyleTitle(name, styleTitle);
    chart.setTitle(title);
    if (subName != null && !subName.equals("")) {
        TextTitle subTitle = setStyleTitle(subName, styleSubTitle);
        chart.addSubtitle(subTitle);
    }

    plot.setInsets(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    plot.setPadding(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
    plot.setThermometerStroke(new BasicStroke(2.0f));
    plot.setThermometerPaint(Color.lightGray);
    plot.setGap(3);
    plot.setValueLocation(3);
    plot.setValuePaint(labelsValueStyle.getColor());
    plot.setValueFont(new Font(labelsValueStyle.getFontName(), Font.PLAIN, labelsValueStyle.getSize()));

    plot.setRange(lower, upper);

    if (units.equalsIgnoreCase(FAHRENHEIT))
        plot.setUnits(ThermometerPlot.UNITS_FAHRENHEIT);
    else if (units.equalsIgnoreCase(CELCIUS))
        plot.setUnits(ThermometerPlot.UNITS_CELCIUS);
    else if (units.equalsIgnoreCase(KELVIN))
        plot.setUnits(ThermometerPlot.UNITS_KELVIN);
    else
        plot.setUnits(ThermometerPlot.UNITS_NONE);

    // set subranges   
    for (Iterator iterator = intervals.iterator(); iterator.hasNext();) {
        KpiInterval subrange = (KpiInterval) iterator.next();
        int range = 0;
        if (subrange.getLabel().equalsIgnoreCase(NORMAL))
            range = (ThermometerPlot.NORMAL);
        else if (subrange.getLabel().equalsIgnoreCase(WARNING))
            range = (ThermometerPlot.WARNING);
        else if (subrange.getLabel().equalsIgnoreCase(CRITICAL))
            range = (ThermometerPlot.CRITICAL);

        plot.setSubrange(range, subrange.getMin(), subrange.getMax());
        if (subrange.getColor() != null) {
            plot.setSubrangePaint(range, subrange.getColor());
        }
        //plot.setDisplayRange(subrange.getRange(), subrange.getLower(), subrange.getUpper());   
    }
    //plot.setFollowDataInSubranges(true);
    logger.debug("OUT");

    return chart;
}

---

From source file:com.xilinx.kintex7.ThermoPlot.java

public void createPlot() {
    dset = new DefaultValueDataset(50);
    plot = new ThermometerPlot(dset);
    plot.setRange(0, 125);//  w  w  w  . ja v  a  2  s  . c om
    //plot.setFollowDataInSubranges(true);
    //plot.setUseSubrangePaint(false);
    plot.setThermometerStroke(new BasicStroke(2.0f));
    plot.setSubrange(ThermometerPlot.NORMAL, 0, 60);
    plot.setSubrange(ThermometerPlot.WARNING, 60, 85);
    plot.setSubrange(ThermometerPlot.CRITICAL, 86, 125);

    plot.setThermometerPaint(Color.BLACK);
    plot.setOutlineVisible(false);
    plot.setBackgroundAlpha(0);
    plot.setMercuryPaint(Color.ORANGE);
    plot.setUnits(ThermometerPlot.UNITS_NONE);
    chart = new JFreeChart("", plot);
    TextTitle ttitle = new TextTitle("Temperature (\u2103)", new Font("Temperature (\u2103)", Font.BOLD, 15));
    ttitle.setPaint(Color.WHITE);
    chart.setTitle(ttitle);
    chart.setBackgroundPaint(new Color(133, 133, 133));
    //chart.setTitle("");
}

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From source file:org.pentaho.plugin.jfreereport.reportcharts.ThermometerChartExpression.java

protected JFreeChart computeChart(final Dataset dataset) {
    ValueDataset thermometerDataset = null;
    if (dataset instanceof ValueDataset) {
        thermometerDataset = (ValueDataset) dataset;
    }//from   www .jav  a2  s .  c o m

    final ThermometerPlot plot = new ThermometerPlot(thermometerDataset);
    return new JFreeChart(computeTitle(), JFreeChart.DEFAULT_TITLE_FONT, plot, true);
}

---

From source file:org.pentaho.reporting.engine.classic.extensions.legacy.charts.LegacyChartType.java

private JFreeChart createChart(final Expression aExpression) {
    if (aExpression instanceof BarLineChartExpression) {
        final CategoryAxis catAxis = new CategoryAxis("Category");// NON-NLS
        final NumberAxis barsAxis = new NumberAxis("Value");// NON-NLS
        final NumberAxis linesAxis = new NumberAxis("Value2");// NON-NLS

        final CategoryPlot plot = new CategoryPlot(createDataset(), catAxis, barsAxis, new BarRenderer());
        plot.setRenderer(1, new LineAndShapeRenderer());

        // add lines dataset and axis to plot
        plot.setDataset(1, createDataset());
        plot.setRangeAxis(1, linesAxis);

        // map lines to second axis
        plot.mapDatasetToRangeAxis(1, 1);

        // set rendering order
        plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);

        // set location of second axis
        plot.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT);

        return new JFreeChart("Bar Line Chart", plot);
    }//from  w w  w.  j  a  v a 2s  . c o m

    if (aExpression instanceof RingChartExpression) {
        return ChartFactory.createRingChart("Ring Chart", createPieDataset(), true, false, false);// NON-NLS
    }
    if (aExpression instanceof AreaChartExpression) {
        return ChartFactory.createAreaChart("Area Chart", "Category", "Value", createDataset(),
                PlotOrientation.VERTICAL, true, false, false);// NON-NLS
    }
    if (aExpression instanceof BarChartExpression) {
        return ChartFactory.createBarChart("Bar Chart", "Category", "Value", createDataset(),
                PlotOrientation.VERTICAL, true, false, false);// NON-NLS

    }
    if (aExpression instanceof LineChartExpression) {
        return ChartFactory.createLineChart("Line Chart", "Category", "Value", createDataset(),
                PlotOrientation.VERTICAL, true, false, false);// NON-NLS
    }
    if (aExpression instanceof MultiPieChartExpression) {
        return ChartFactory.createMultiplePieChart("Multi Pie Chart", createDataset(), TableOrder.BY_COLUMN,
                true, false, false);// NON-NLS
    }
    if (aExpression instanceof PieChartExpression) {
        return ChartFactory.createPieChart("Pie Chart", createPieDataset(), true, false, false);// NON-NLS
    }
    if (aExpression instanceof WaterfallChartExpressions) {
        return ChartFactory.createWaterfallChart("Bar Chart", "Category", "Value", createDataset(),
                PlotOrientation.HORIZONTAL, true, false, false);// NON-NLS
    }
    if (aExpression instanceof BubbleChartExpression) {
        return ChartFactory.createBubbleChart("Bubble Chart", "X", "Y", createXYZDataset(),
                PlotOrientation.VERTICAL, true, false, false);// NON-NLS
    }
    if (aExpression instanceof ExtendedXYLineChartExpression) {
        return ChartFactory.createXYLineChart("XY Line Chart", "X", "Y", createXYZDataset(),
                PlotOrientation.VERTICAL, true, false, false);// NON-NLS
    }
    if (aExpression instanceof ScatterPlotChartExpression) {
        return ChartFactory.createScatterPlot("Scatter Chart", "X", "Y", createXYZDataset(),
                PlotOrientation.VERTICAL, true, false, false);// NON-NLS
    }
    if (aExpression instanceof XYAreaLineChartExpression) {
        final NumberAxis catAxis = new NumberAxis("Range");// NON-NLS
        final NumberAxis barsAxis = new NumberAxis("Value");// NON-NLS
        final NumberAxis linesAxis = new NumberAxis("Value2");// NON-NLS

        final XYPlot plot = new XYPlot(createXYZDataset(), catAxis, barsAxis, new XYAreaRenderer());
        plot.setRenderer(1, new XYLineAndShapeRenderer());

        // add lines dataset and axis to plot
        plot.setDataset(1, createXYZDataset());
        plot.setRangeAxis(1, linesAxis);

        // map lines to second axis
        plot.mapDatasetToRangeAxis(1, 1);

        // set rendering order
        plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);

        // set location of second axis
        plot.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT);

        return new JFreeChart("XY Area Line Chart", plot);// NON-NLS
    }
    if (aExpression instanceof XYAreaChartExpression) {
        return ChartFactory.createXYAreaChart("XY Area Chart", "X", "Y", createXYZDataset(),
                PlotOrientation.VERTICAL, true, false, false);// NON-NLS
    }
    if (aExpression instanceof XYBarChartExpression) {
        return XYBarChartExpression.createXYBarChart("XY Bar Chart", "X", false, "Y", createIntervalXYDataset(),
                PlotOrientation.VERTICAL, true, false, false);// NON-NLS
    }
    if (aExpression instanceof XYLineChartExpression) {
        return ChartFactory.createXYLineChart("XY Line Chart", "X", "Y", createXYZDataset(),
                PlotOrientation.VERTICAL, true, false, false);// NON-NLS
    }
    if (aExpression instanceof RadarChartExpression) {
        final SpiderWebPlot plot = new SpiderWebPlot(createDataset());
        return new JFreeChart("Radar Chart", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
    }
    if (aExpression instanceof ThermometerChartExpression) {
        final DefaultValueDataset dataset = new DefaultValueDataset(new Double(65.0));
        final ThermometerPlot plot = new ThermometerPlot(dataset);

        return new JFreeChart("Thermometer Chart", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
    }
    return null;
}

---

From source file:net.sf.fspdfs.chartthemes.spring.AegeanChartTheme.java

/**
 *
 *///from  w  w w  . ja  v a  2 s .  c om
protected JFreeChart createThermometerChart() throws JRException {
    JRThermometerPlot jrPlot = (JRThermometerPlot) getPlot();

    // Create the plot that will hold the thermometer.
    ThermometerPlot chartPlot = new ThermometerPlot((ValueDataset) getDataset());
    // Build a chart around this plot
    JFreeChart jfreeChart = new JFreeChart(chartPlot);

    // Set the generic options
    configureChart(jfreeChart, getPlot());
    jfreeChart.setBackgroundPaint(ChartThemesConstants.TRANSPARENT_PAINT);
    jfreeChart.setBorderVisible(false);

    Range range = convertRange(jrPlot.getDataRange());

    if (range != null) {
        // Set the boundary of the thermomoter
        chartPlot.setLowerBound(range.getLowerBound());
        chartPlot.setUpperBound(range.getUpperBound());
    }
    chartPlot.setGap(0);

    // Units can only be Fahrenheit, Celsius or none, so turn off for now.
    chartPlot.setUnits(ThermometerPlot.UNITS_NONE);

    // Set the color of the mercury.  Only used when the value is outside of
    // any defined ranges.
    List seriesPaints = (List) getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.SERIES_COLORS);

    Paint paint = (jrPlot.getMercuryColor() != null ? (Paint) jrPlot.getMercuryColor()
            : (Paint) seriesPaints.get(0));
    chartPlot.setMercuryPaint(paint);

    chartPlot.setThermometerPaint(THERMOMETER_COLOR);
    chartPlot.setThermometerStroke(new BasicStroke(2f));
    chartPlot.setOutlineVisible(false);
    chartPlot.setValueFont(chartPlot.getValueFont().deriveFont(Font.BOLD));

    // Set the formatting of the value display
    JRValueDisplay display = jrPlot.getValueDisplay();
    if (display != null) {
        if (display.getColor() != null) {
            chartPlot.setValuePaint(display.getColor());
        }
        if (display.getMask() != null) {
            chartPlot.setValueFormat(new DecimalFormat(display.getMask()));
        }
        if (display.getFont() != null) {
            //            chartPlot.setValueFont(JRFontUtil.getAwtFont(display.getFont()).deriveFont(Font.BOLD));
        }
    }

    // Set the location of where the value is displayed
    // Set the location of where the value is displayed
    ValueLocationEnum valueLocation = jrPlot.getValueLocationValue();
    switch (valueLocation) {
    case NONE:
        chartPlot.setValueLocation(ThermometerPlot.NONE);
        break;
    case LEFT:
        chartPlot.setValueLocation(ThermometerPlot.LEFT);
        break;
    case RIGHT:
        chartPlot.setValueLocation(ThermometerPlot.RIGHT);
        break;
    case BULB:
    default:
        chartPlot.setValueLocation(ThermometerPlot.BULB);
        break;
    }

    // Define the three ranges
    range = convertRange(jrPlot.getLowRange());
    if (range != null) {
        chartPlot.setSubrangeInfo(2, range.getLowerBound(), range.getUpperBound());
    }

    range = convertRange(jrPlot.getMediumRange());
    if (range != null) {
        chartPlot.setSubrangeInfo(1, range.getLowerBound(), range.getUpperBound());
    }

    range = convertRange(jrPlot.getHighRange());
    if (range != null) {
        chartPlot.setSubrangeInfo(0, range.getLowerBound(), range.getUpperBound());
    }

    return jfreeChart;
}

---

From source file:net.sf.jasperreports.chartthemes.spring.AegeanChartTheme.java

@Override
protected JFreeChart createThermometerChart() throws JRException {
    JRThermometerPlot jrPlot = (JRThermometerPlot) getPlot();

    // Create the plot that will hold the thermometer.
    ThermometerPlot chartPlot = new ThermometerPlot((ValueDataset) getDataset());

    ChartUtil chartUtil = ChartUtil.getInstance(getChartContext().getJasperReportsContext());
    // setting localized range axis formatters
    chartPlot.getRangeAxis().setStandardTickUnits(chartUtil.createIntegerTickUnits(getLocale()));

    // Build a chart around this plot
    JFreeChart jfreeChart = new JFreeChart(evaluateTextExpression(getChart().getTitleExpression()), null,
            chartPlot, getChart().getShowLegend() == null ? false : getChart().getShowLegend());

    // Set the generic options
    configureChart(jfreeChart, getPlot());
    jfreeChart.setBackgroundPaint(ChartThemesConstants.TRANSPARENT_PAINT);
    jfreeChart.setBorderVisible(false);/*from   w  w w  .j  a v  a2 s  . c  o  m*/

    Range range = convertRange(jrPlot.getDataRange());

    if (range != null) {
        // Set the boundary of the thermomoter
        chartPlot.setLowerBound(range.getLowerBound());
        chartPlot.setUpperBound(range.getUpperBound());
    }
    chartPlot.setGap(0);

    // Units can only be Fahrenheit, Celsius or none, so turn off for now.
    chartPlot.setUnits(ThermometerPlot.UNITS_NONE);

    // Set the color of the mercury.  Only used when the value is outside of
    // any defined ranges.
    @SuppressWarnings("unchecked")
    List<Paint> seriesPaints = (List<Paint>) getDefaultValue(defaultChartPropertiesMap,
            ChartThemesConstants.SERIES_COLORS);

    Paint paint = jrPlot.getMercuryColor();
    if (paint != null) {
        chartPlot.setUseSubrangePaint(false);
    } else {
        //it has no effect, but is kept for backward compatibility reasons
        paint = seriesPaints.get(0);
    }

    chartPlot.setMercuryPaint(paint);

    chartPlot.setThermometerPaint(THERMOMETER_COLOR);
    chartPlot.setThermometerStroke(new BasicStroke(2f));
    chartPlot.setOutlineVisible(false);
    chartPlot.setValueFont(chartPlot.getValueFont().deriveFont(Font.BOLD));

    // localizing the default format, can be overridden by display.getMask()
    chartPlot.setValueFormat(NumberFormat.getNumberInstance(getLocale()));

    // Set the formatting of the value display
    JRValueDisplay display = jrPlot.getValueDisplay();
    if (display != null) {
        if (display.getColor() != null) {
            chartPlot.setValuePaint(display.getColor());
        }
        if (display.getMask() != null) {
            chartPlot.setValueFormat(
                    new DecimalFormat(display.getMask(), DecimalFormatSymbols.getInstance(getLocale())));
        }
        if (display.getFont() != null) {
            //            chartPlot.setValueFont(JRFontUtil.getAwtFont(display.getFont()).deriveFont(Font.BOLD));
        }
    }

    // Set the location of where the value is displayed
    // Set the location of where the value is displayed
    ValueLocationEnum valueLocation = jrPlot.getValueLocationValue();
    switch (valueLocation) {
    case NONE:
        chartPlot.setValueLocation(ThermometerPlot.NONE);
        break;
    case LEFT:
        chartPlot.setValueLocation(ThermometerPlot.LEFT);
        break;
    case RIGHT:
        chartPlot.setValueLocation(ThermometerPlot.RIGHT);
        break;
    case BULB:
    default:
        chartPlot.setValueLocation(ThermometerPlot.BULB);
        break;
    }

    // Define the three ranges
    range = convertRange(jrPlot.getLowRange());
    if (range != null) {
        chartPlot.setSubrangeInfo(2, range.getLowerBound(), range.getUpperBound());
    }

    range = convertRange(jrPlot.getMediumRange());
    if (range != null) {
        chartPlot.setSubrangeInfo(1, range.getLowerBound(), range.getUpperBound());
    }

    range = convertRange(jrPlot.getHighRange());
    if (range != null) {
        chartPlot.setSubrangeInfo(0, range.getLowerBound(), range.getUpperBound());
    }

    return jfreeChart;
}

---

From source file:org.jfree.chart.demo.JFreeChartDemoBase.java

/**
 * Creates and returns a sample thermometer chart.
 *
 * @return a sample thermometer chart.//from  w ww  .java 2s.c  om
 */
public JFreeChart createThermometerChart() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("meter.thermo.title");
    final String subtitleStr = this.resources.getString("meter.thermo.subtitle");
    final String units = this.resources.getString("meter.thermo.units");

    final DefaultValueDataset data = new DefaultValueDataset(new Double(34.0));
    final ThermometerPlot plot = new ThermometerPlot(data);
    plot.setUnits(units);
    final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, false);

    // then customise it a little...
    final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
    chart.addSubtitle(subtitle);
    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
    return chart;

}

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